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Merge remote-tracking branch 'rogerclarkmelbourne/master'

This commit is contained in:
Vassilis Serasidis 2015-08-23 11:38:23 +03:00
parent e5b864cff3 07ba8f279a
commit 9adc87984a
235 changed files with 25485 additions and 243 deletions
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2
.gitignore vendored
View File

@ -6,4 +6,4 @@ other/maple-bootloader/cscope.out
other/maple-bootloader/build
other/maple-bootloader/*~
*.o
tools/src/stm32flash/src/parsers/parsers.a
tools/src/stm32flash_serial/src/parsers/parsers.a

9
.gitmodules vendored
View File

@ -7,9 +7,12 @@
[submodule "tools/src/texane-stlink"]
path = tools/src/texane-stlink
url = https://github.com/texane/stlink
[submodule "tools/src/dfu-util"]
path = tools/src/dfu-util
url = https://gitorious.org/dfu-util/dfu-util.git
[submodule "STM32duino-bootloader"]
path = STM32duino-bootloader
url = https://github.com/rogerclarkmelbourne/STM32duino-bootloader.git
[submodule "STM32F1/libraries/TFT_ILI9163C"]
path = STM32F1/libraries/TFT_ILI9163C
url = https://github.com/victorpv/TFT_ILI9163C.git
[submodule "STM32F1/libraries/Ethernet_STM"]
path = STM32F1/libraries/Ethernet_STM
url = https://github.com/Serasidis/Ethernet_STM

6
STM32F1/boards.txt
View File

@ -6,7 +6,7 @@ menu.bootloader_version=Bootloader version
menu.upload_method=Upload method
##############################################################
mapleMini.name=LeafLabs Maple Mini Rev 2 to Flash
mapleMini.name=Maple Mini
mapleMini.build.board=MAPLE_MINI
mapleMini.build.core=maple
@ -37,7 +37,7 @@ mapleMini.menu.bootloader_version.bootloader20.upload.maximum_size=122880
mapleMini.menu.bootloader_version.bootloader20.upload.altID=2
##############################################################
maple.name=LeafLabs Maple Rev 3+ to Flash
maple.name=Maple (Rev 3)
maple.upload.tool=maple_upload
maple.upload.protocol=maple_dfu
@ -60,7 +60,7 @@ maple.build.vect=VECT_TAB_ADDR=0x8005000
##############################################################
mapleRET6.name=LeafLabs Maple RET6 to Flash
mapleRET6.name=Maple (RET6)
mapleRET6.build.board=MAPLE_RET6
mapleRET6.build.core=maple

100
STM32F1/cores/maple/libmaple/timer.c
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@ -1,3 +1,4 @@
/******************************************************************************
* The MIT License
*
@ -410,3 +411,102 @@ static void enable_bas_gen_irq(timer_dev *dev) {
}
nvic_irq_enable(irq_num);
}
/* Note.
*
* 2015/07/06 Roger Clark
*
* The IRQ handlers were initially in timer_f1.c however this seems to cause problems
* in which the compiler / linker doesn't always link all the required handlers.
* The work around was to move the handlers into this file
*/
/*
* IRQ handlers
*
* Defer to the timer_private dispatch API.
*
* FIXME: The names of these handlers are inaccurate since XL-density
* devices came out. Update these to match the STM32F2 names, maybe
* using some weak symbol magic to preserve backwards compatibility if
* possible. Once that's done, we can just move the IRQ handlers into
* the top-level libmaple/timer.c, and there will be no need for this
* file.
*/
void __irq_tim1_brk(void) {
dispatch_adv_brk(TIMER1);
#if STM32_HAVE_TIMER(9)
dispatch_tim_9_12(TIMER9);
#endif
}
void __irq_tim1_up(void) {
dispatch_adv_up(TIMER1);
#if STM32_HAVE_TIMER(10)
dispatch_tim_10_11_13_14(TIMER10);
#endif
}
void __irq_tim1_trg_com(void) {
dispatch_adv_trg_com(TIMER1);
#if STM32_HAVE_TIMER(11)
dispatch_tim_10_11_13_14(TIMER11);
#endif
}
void __irq_tim1_cc(void) {
dispatch_adv_cc(TIMER1);
}
void __irq_tim2(void) {
dispatch_general(TIMER2);
}
void __irq_tim3(void) {
dispatch_general(TIMER3);
}
void __irq_tim4(void) {
dispatch_general(TIMER4);
}
#if defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY)
void __irq_tim5(void) {
dispatch_general(TIMER5);
}
void __irq_tim6(void) {
dispatch_basic(TIMER6);
}
void __irq_tim7(void) {
dispatch_basic(TIMER7);
}
void __irq_tim8_brk(void) {
dispatch_adv_brk(TIMER8);
#if STM32_HAVE_TIMER(12)
dispatch_tim_9_12(TIMER12);
#endif
}
void __irq_tim8_up(void) {
dispatch_adv_up(TIMER8);
#if STM32_HAVE_TIMER(13)
dispatch_tim_10_11_13_14(TIMER13);
#endif
}
void __irq_tim8_trg_com(void) {
dispatch_adv_trg_com(TIMER8);
#if STM32_HAVE_TIMER(14)
dispatch_tim_10_11_13_14(TIMER14);
#endif
}
void __irq_tim8_cc(void) {
dispatch_adv_cc(TIMER8);
}
#endif /* defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY) */

95
STM32F1/cores/maple/libmaple/timer_f1.c
View File

@ -30,95 +30,12 @@
* @brief STM32F1 timer.
*/
#include <libmaple/timer.h>
#include <libmaple/stm32.h>
#include "timer_private.h"
/*
* IRQ handlers
*
* Defer to the timer_private dispatch API.
*
* FIXME: The names of these handlers are inaccurate since XL-density
* devices came out. Update these to match the STM32F2 names, maybe
* using some weak symbol magic to preserve backwards compatibility if
* possible. Once that's done, we can just move the IRQ handlers into
* the top-level libmaple/timer.c, and there will be no need for this
* file.
* 2015/07/06
* Note. The IRQ handlers which were initially in this file have been moved to timer.c
* to resolve a linker issue in where some IRQ handlers were not being linked even though
* they were being used.
* This file has been retains for historical reasons, but can be moved at some time in the future
* when full testing of the code in the new location has been completed.
*/
void __irq_tim1_brk(void) {
dispatch_adv_brk(TIMER1);
#if STM32_HAVE_TIMER(9)
dispatch_tim_9_12(TIMER9);
#endif
}
void __irq_tim1_up(void) {
dispatch_adv_up(TIMER1);
#if STM32_HAVE_TIMER(10)
dispatch_tim_10_11_13_14(TIMER10);
#endif
}
void __irq_tim1_trg_com(void) {
dispatch_adv_trg_com(TIMER1);
#if STM32_HAVE_TIMER(11)
dispatch_tim_10_11_13_14(TIMER11);
#endif
}
void __irq_tim1_cc(void) {
dispatch_adv_cc(TIMER1);
}
void __irq_tim2(void) {
dispatch_general(TIMER2);
}
void __irq_tim3(void) {
dispatch_general(TIMER3);
}
void __irq_tim4(void) {
dispatch_general(TIMER4);
}
#if defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY)
void __irq_tim5(void) {
dispatch_general(TIMER5);
}
void __irq_tim6(void) {
dispatch_basic(TIMER6);
}
void __irq_tim7(void) {
dispatch_basic(TIMER7);
}
void __irq_tim8_brk(void) {
dispatch_adv_brk(TIMER8);
#if STM32_HAVE_TIMER(12)
dispatch_tim_9_12(TIMER12);
#endif
}
void __irq_tim8_up(void) {
dispatch_adv_up(TIMER8);
#if STM32_HAVE_TIMER(13)
dispatch_tim_10_11_13_14(TIMER13);
#endif
}
void __irq_tim8_trg_com(void) {
dispatch_adv_trg_com(TIMER8);
#if STM32_HAVE_TIMER(14)
dispatch_tim_10_11_13_14(TIMER14);
#endif
}
void __irq_tim8_cc(void) {
dispatch_adv_cc(TIMER8);
}
#endif /* defined(STM32_HIGH_DENSITY) || defined(STM32_XL_DENSITY) */

11
STM32F1/cores/maple/wirish.h
View File

@ -74,11 +74,12 @@
#include <stdint.h>
#warning these are just here to get SPI to compile they need to be changed and moved!
#define SS (1)
#define MOSI 2
#define MISO 3
#define SCK 4
#define SS BOARD_SPI1_NSS_PIN
#define MOSI BOARD_SPI1_MOSI_PIN
#define MISO BOARD_SPI1_MISO_PIN
#define SCK BOARD_SPI1_SCK_PIN
typedef unsigned int word;
// typedef uint16 word;// definition from Arduino website, now appears to be incorrect for 32 bit devices

1
STM32F1/libraries/Ethernet_STM Submodule

@ -0,0 +1 @@
Subproject commit 5dd518a193f5879744b1b3f5b112ee03c6ee14b2

246
STM32F1/libraries/SPI/src/SPI.cpp
View File

@ -91,26 +91,50 @@ static const spi_pins board_spi_pins[] __FLASH__ = {
*/
SPIClass::SPIClass(uint32 spi_num) {
_currentSetting=&_settings[spi_num-1];// SPI channels are called 1 2 and 3 but the array is zero indexed
switch (spi_num) {
#if BOARD_NR_SPI >= 1
case 1:
this->spi_d = SPI1;
_currentSetting->spi_d = SPI1;
break;
#endif
#if BOARD_NR_SPI >= 2
case 2:
this->spi_d = SPI2;
_currentSetting->spi_d = SPI2;
break;
#endif
#if BOARD_NR_SPI >= 3
case 3:
this->spi_d = SPI3;
_currentSetting->spi_d = SPI3;
break;
#endif
default:
ASSERT(0);
}
// Init things specific to each SPI device
// clock divider setup is a bit of hack, and needs to be improved at a later date.
_settings[0].spi_d = SPI1;
_settings[0].clockDivider = determine_baud_rate(_settings[0].spi_d, _settings[0].clock);
_settings[0].spiDmaDev = DMA1;
_settings[0].spiTxDmaChannel = DMA_CH3;
_settings[0].spiRxDmaChannel = DMA_CH2;
_settings[1].spi_d = SPI2;
_settings[1].clockDivider = determine_baud_rate(_settings[1].spi_d, _settings[1].clock);
_settings[1].spiDmaDev = DMA1;
_settings[1].spiTxDmaChannel = DMA_CH5;
_settings[1].spiRxDmaChannel = DMA_CH4;
#if BOARD_NR_SPI >= 3
_settings[2].spi_d = SPI3;
_settings[2].clockDivider = determine_baud_rate(_settings[2].spi_d, _settings[2].clock);
_settings[2].spiDmaDev = DMA2;
_settings[2].spiTxDmaChannel = DMA_CH2;
_settings[2].spiRxDmaChannel = DMA_CH1;
#endif
//pinMode(BOARD_SPI_DEFAULT_SS,OUTPUT);
}
@ -120,45 +144,45 @@ SPIClass::SPIClass(uint32 spi_num) {
void SPIClass::begin(void) {
uint32 flags = ((bitOrder == MSBFIRST ? SPI_FRAME_MSB : SPI_FRAME_LSB) | SPI_DFF_8_BIT | SPI_SW_SLAVE | SPI_SOFT_SS);
spi_init(spi_d);
configure_gpios(spi_d, 1);
uint32 flags = ((_currentSetting->bitOrder == MSBFIRST ? SPI_FRAME_MSB : SPI_FRAME_LSB) | SPI_DFF_8_BIT | SPI_SW_SLAVE | SPI_SOFT_SS);
spi_init(_currentSetting->spi_d);
configure_gpios(_currentSetting->spi_d, 1);
#ifdef SPI_DEBUG
Serial.print("spi_master_enable("); Serial.print(clockDivider); Serial.print(","); Serial.print(dataMode); Serial.print(","); Serial.print(flags); Serial.println(")");
Serial.print("spi_master_enable("); Serial.print(_currentSetting->clockDivider); Serial.print(","); Serial.print(_currentSetting->dataMode); Serial.print(","); Serial.print(flags); Serial.println(")");
#endif
spi_master_enable(spi_d, (spi_baud_rate)clockDivider, (spi_mode)dataMode, flags);
spi_master_enable(_currentSetting->spi_d, (spi_baud_rate)_currentSetting->clockDivider, (spi_mode)_currentSetting->dataMode, flags);
}
void SPIClass::beginSlave(void) {
if (dataMode >= 4) {
if (_currentSetting->dataMode >= 4) {
ASSERT(0);
return;
}
uint32 flags = ((bitOrder == MSBFIRST ? SPI_FRAME_MSB : SPI_FRAME_LSB) | SPI_DFF_8_BIT | SPI_SW_SLAVE);
spi_init(spi_d);
configure_gpios(spi_d, 0);
uint32 flags = ((_currentSetting->bitOrder == MSBFIRST ? SPI_FRAME_MSB : SPI_FRAME_LSB) | SPI_DFF_8_BIT | SPI_SW_SLAVE);
spi_init(_currentSetting->spi_d);
configure_gpios(_currentSetting->spi_d, 0);
#ifdef SPI_DEBUG
Serial.print("spi_slave_enable("); Serial.print(dataMode); Serial.print(","); Serial.print(flags); Serial.println(")");
Serial.print("spi_slave_enable("); Serial.print(_currentSetting->dataMode); Serial.print(","); Serial.print(flags); Serial.println(")");
#endif
spi_slave_enable(spi_d, (spi_mode)dataMode, flags);
spi_slave_enable(_currentSetting->spi_d, (spi_mode)_currentSetting->dataMode, flags);
}
void SPIClass::end(void) {
if (!spi_is_enabled(this->spi_d)) {
if (!spi_is_enabled(_currentSetting->spi_d)) {
return;
}
// Follows RM0008's sequence for disabling a SPI in master/slave
// full duplex mode.
while (spi_is_rx_nonempty(this->spi_d)) {
while (spi_is_rx_nonempty(_currentSetting->spi_d)) {
// FIXME [0.1.0] remove this once you have an interrupt based driver
volatile uint16 rx __attribute__((unused)) = spi_rx_reg(this->spi_d);
volatile uint16 rx __attribute__((unused)) = spi_rx_reg(_currentSetting->spi_d);
}
while (!spi_is_tx_empty(this->spi_d))
while (!spi_is_tx_empty(_currentSetting->spi_d))
;
while (spi_is_busy(this->spi_d))
while (spi_is_busy(_currentSetting->spi_d))
;
spi_peripheral_disable(this->spi_d);
spi_peripheral_disable(_currentSetting->spi_d);
}
/* Roger Clark added 3 functions */
@ -167,7 +191,7 @@ void SPIClass::setClockDivider(uint32_t clockDivider)
#ifdef SPI_DEBUG
Serial.print("Clock divider set to "); Serial.println(clockDivider);
#endif
this->clockDivider = clockDivider;
_currentSetting->clockDivider = clockDivider;
this->begin();
}
@ -176,7 +200,7 @@ void SPIClass::setBitOrder(BitOrder bitOrder)
#ifdef SPI_DEBUG
Serial.print("Bit order set to "); Serial.println(bitOrder);
#endif
this->bitOrder = bitOrder;
_currentSetting->bitOrder = bitOrder;
this->begin();
}
@ -186,11 +210,11 @@ void SPIClass::setBitOrder(BitOrder bitOrder)
*/
void SPIClass::setDataSize(uint32 datasize)
{
uint32 cr1 = this->spi_d->regs->CR1;
uint32 cr1 = _currentSetting->spi_d->regs->CR1;
datasize &= SPI_CR1_DFF;
cr1 &= ~(SPI_CR1_DFF);
cr1 |= datasize;
this->spi_d->regs->CR1 = cr1;
_currentSetting->spi_d->regs->CR1 = cr1;
}
void SPIClass::setDataMode(uint8_t dataMode)
@ -225,7 +249,7 @@ If someone finds this is not the case or sees a logic error with this let me kno
#ifdef SPI_DEBUG
Serial.print("Data mode set to "); Serial.println(dataMode);
#endif
this->dataMode = dataMode;
_currentSetting->dataMode = dataMode;
this->begin();
}
@ -240,29 +264,9 @@ void SPIClass::beginTransaction(uint8_t pin, SPISettings settings)
//digitalWrite(_SSPin,LOW);
setBitOrder(settings.bitOrder);
setDataMode(settings.dataMode);
setClockDivider(determine_baud_rate(spi_d, settings.clock));
setClockDivider(determine_baud_rate(_currentSetting->spi_d, settings.clock));
begin();
#if 0
// code from SAM core
uint8_t mode = interruptMode;
if (mode > 0) {
if (mode < 16) {
if (mode & 1) PIOA->PIO_IDR = interruptMask[0];
if (mode & 2) PIOB->PIO_IDR = interruptMask[1];
if (mode & 4) PIOC->PIO_IDR = interruptMask[2];
if (mode & 8) PIOD->PIO_IDR = interruptMask[3];
} else {
interruptSave = interruptsStatus();
noInterrupts();
}
}
uint32_t ch = BOARD_PIN_TO_SPI_CHANNEL(pin);
bitOrder[ch] = settings.border;
SPI_ConfigureNPCS(spi, ch, settings.config);
//setBitOrder(pin, settings.border);
//setDataMode(pin, settings.datamode);
//setClockDivider(pin, settings.clockdiv);
#endif
}
void SPIClass::endTransaction(void)
@ -301,9 +305,9 @@ uint8 SPIClass::read(void) {
void SPIClass::read(uint8 *buf, uint32 len) {
uint32 rxed = 0;
while (rxed < len) {
while (!spi_is_rx_nonempty(this->spi_d))
while (!spi_is_rx_nonempty(_currentSetting->spi_d))
;
buf[rxed++] = (uint8)spi_rx_reg(this->spi_d);
buf[rxed++] = (uint8)spi_rx_reg(_currentSetting->spi_d);
}
}
@ -316,9 +320,9 @@ void SPIClass::write(uint16 data) {
* This almost doubles the speed of this function.
*/
spi_tx_reg(this->spi_d, data); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
spi_tx_reg(_currentSetting->spi_d, data); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
}
//void SPIClass::write(uint8 byte) {
@ -330,27 +334,27 @@ void SPIClass::write(uint16 data) {
* This almost doubles the speed of this function.
*/
// spi_tx_reg(this->spi_d, byte); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
// while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
// while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
// spi_tx_reg(_currentSetting->spi_d, byte); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
// while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
// while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
//}
void SPIClass::write(const uint8 *data, uint32 length) {
uint32 txed = 0;
while (txed < length) {
txed += spi_tx(this->spi_d, data + txed, length - txed);
txed += spi_tx(_currentSetting->spi_d, data + txed, length - txed);
}
while (spi_is_tx_empty(this->spi_d) == 0); // "4. After writing the last data item into the SPI_DR register, wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... then wait until BSY=0, this indicates that the transmission of the last data is complete."
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "4. After writing the last data item into the SPI_DR register, wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... then wait until BSY=0, this indicates that the transmission of the last data is complete."
}
uint8 SPIClass::transfer(uint8 byte) const {
uint8 b;
spi_tx_reg(this->spi_d, byte); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
while (spi_is_rx_nonempty(this->spi_d) == 0); // "4. Wait until RXNE=1 ..."
b = spi_rx_reg(this->spi_d); // "... and read the last received data."
while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
spi_tx_reg(_currentSetting->spi_d, byte); // "2. Write the first data item to be transmitted into the SPI_DR register (this clears the TXE flag)."
while (spi_is_rx_nonempty(_currentSetting->spi_d) == 0); // "4. Wait until RXNE=1 ..."
b = spi_rx_reg(_currentSetting->spi_d); // "... and read the last received data."
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
return b;
}
/* Roger Clark and Victor Perez, 2015
@ -362,52 +366,56 @@ uint8 SPIClass::transfer(uint8 byte) const {
uint8 SPIClass::dmaTransfer(uint8 *transmitBuf, uint8 *receiveBuf, uint16 length) {
if (length == 0) return 0;
uint8 b;
if (spi_is_rx_nonempty(this->spi_d) == 1) b = spi_rx_reg(this->spi_d); //Clear the RX buffer in case a byte is waiting on it.
dma1_ch3_Active=true;
dma_init(DMA1);
dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
if (spi_is_rx_nonempty(_currentSetting->spi_d) == 1) b = spi_rx_reg(_currentSetting->spi_d); //Clear the RX buffer in case a byte is waiting on it.
// dma1_ch3_Active=true;
dma_init(_currentSetting->spiDmaDev);
// dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
// RX
spi_rx_dma_enable(SPI1);
dma_setup_transfer(DMA1, DMA_CH2, &SPI1->regs->DR, DMA_SIZE_8BITS,
spi_rx_dma_enable(_currentSetting->spi_d);
dma_setup_transfer(_currentSetting->spiDmaDev, _currentSetting->spiRxDmaChannel, &_currentSetting->spi_d->regs->DR, DMA_SIZE_8BITS,
receiveBuf, DMA_SIZE_8BITS, (DMA_MINC_MODE | DMA_TRNS_CMPLT));// receive buffer DMA
dma_set_num_transfers(DMA1, DMA_CH2, length);
dma_set_num_transfers(_currentSetting->spiDmaDev, _currentSetting->spiRxDmaChannel, length);
// TX
spi_tx_dma_enable(SPI1);
spi_tx_dma_enable(_currentSetting->spi_d);
if (!transmitBuf) {
static uint8_t ff = 0XFF;
transmitBuf = &ff;
dma_setup_transfer(DMA1, DMA_CH3, &SPI1->regs->DR, DMA_SIZE_8BITS,
dma_setup_transfer(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, &_currentSetting->spi_d->regs->DR, DMA_SIZE_8BITS,
transmitBuf, DMA_SIZE_8BITS, (DMA_FROM_MEM | DMA_TRNS_CMPLT));// Transmit FF repeatedly
}
else {
dma_setup_transfer(DMA1, DMA_CH3, &SPI1->regs->DR, DMA_SIZE_8BITS,
dma_setup_transfer(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, &_currentSetting->spi_d->regs->DR, DMA_SIZE_8BITS,
transmitBuf, DMA_SIZE_8BITS, (DMA_MINC_MODE | DMA_FROM_MEM | DMA_TRNS_CMPLT));// Transmit buffer DMA
}
dma_set_num_transfers(DMA1, DMA_CH3, length);
dma_set_num_transfers(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, length);
dma_enable(DMA1, DMA_CH2);// enable receive
dma_enable(DMA1, DMA_CH3);// enable transmit
dma_enable(_currentSetting->spiDmaDev, _currentSetting->spiRxDmaChannel);// enable receive
dma_enable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);// enable transmit
// while (dma1_ch3_Active);
// if (receiveBuf) {
uint32_t m = millis();
while (dma1_ch3_Active) {
while ((dma_get_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel) & 0x2)==0) {//Avoid interrupts and just loop waiting for the flag to be set.
if ((millis() - m) > 100) {
dma1_ch3_Active = 0;
// dma1_ch3_Active = 0;
b = 2;
break;
}
}
dma_clear_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
// }
while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(DMA1, DMA_CH3);
dma_disable(DMA1, DMA_CH2);
spi_rx_dma_disable(SPI1);
spi_tx_dma_disable(SPI1);
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
dma_disable(_currentSetting->spiDmaDev, _currentSetting->spiRxDmaChannel);
spi_rx_dma_disable(_currentSetting->spi_d); // And disable generation of DMA request from the SPI port so other peripherals can use the channels
spi_tx_dma_disable(_currentSetting->spi_d);
if (spi_is_rx_nonempty(_currentSetting->spi_d) != 0){; // "4. Wait until RXNE=1 ..."
uint8 x = spi_rx_reg(_currentSetting->spi_d); // "... and read the last received data."
}
return b;
}
@ -420,24 +428,28 @@ uint8 SPIClass::dmaSend(uint8 *transmitBuf, uint16 length, bool minc) {
if (length == 0) return 0;
uint32 flags = ((DMA_MINC_MODE * minc) | DMA_FROM_MEM | DMA_TRNS_CMPLT);
uint8 b;
dma1_ch3_Active=true;
dma_init(DMA1);
dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
// dma1_ch3_Active=true;
dma_init(_currentSetting->spiDmaDev);
// dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
// TX
spi_tx_dma_enable(SPI1);
dma_setup_transfer(DMA1, DMA_CH3, &SPI1->regs->DR, DMA_SIZE_8BITS,
spi_tx_dma_enable(_currentSetting->spi_d);
dma_setup_transfer(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, &_currentSetting->spi_d->regs->DR, DMA_SIZE_8BITS,
transmitBuf, DMA_SIZE_8BITS, flags);// Transmit buffer DMA
dma_set_num_transfers(DMA1, DMA_CH3, length);
dma_enable(DMA1, DMA_CH3);// enable transmit
dma_set_num_transfers(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, length);
dma_enable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);// enable transmit
while (dma1_ch3_Active);
while (spi_is_rx_nonempty(this->spi_d) == 0); // "4. Wait until RXNE=1 ..."
b = spi_rx_reg(this->spi_d); // "... and read the last received data."
while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(DMA1, DMA_CH3);
spi_tx_dma_disable(SPI1);
// while (dma1_ch3_Active);
while ((dma_get_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel) & 0x2)==0); //Avoid interrupts and just loop waiting for the flag to be set.
dma_clear_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
spi_tx_dma_disable(_currentSetting->spi_d);
if (spi_is_rx_nonempty(_currentSetting->spi_d) != 0){; // "4. Wait until RXNE=1 ..."
uint8 x = spi_rx_reg(_currentSetting->spi_d); // "... and read the last received data."
}
return b;
}
@ -446,23 +458,27 @@ uint8 SPIClass::dmaSend(uint16 *transmitBuf, uint16 length, bool minc) {
uint32 flags = ((DMA_MINC_MODE * minc) | DMA_FROM_MEM | DMA_TRNS_CMPLT);
uint8 b;
dma1_ch3_Active=true;
dma_init(DMA1);
dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
dma_init(_currentSetting->spiDmaDev);
// dma_attach_interrupt(DMA1, DMA_CH3, &SPIClass::DMA1_CH3_Event);
// TX
spi_tx_dma_enable(SPI1);
dma_setup_transfer(DMA1, DMA_CH3, &SPI1->regs->DR, DMA_SIZE_16BITS,
spi_tx_dma_enable(_currentSetting->spi_d);
dma_setup_transfer(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, &_currentSetting->spi_d->regs->DR, DMA_SIZE_16BITS,
transmitBuf, DMA_SIZE_16BITS, flags);// Transmit buffer DMA
dma_set_num_transfers(DMA1, DMA_CH3, length);
dma_enable(DMA1, DMA_CH3);// enable transmit
dma_set_num_transfers(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel, length);
dma_enable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);// enable transmit
while (dma1_ch3_Active);
while (spi_is_rx_nonempty(this->spi_d) == 0); // "4. Wait until RXNE=1 ..."
b = spi_rx_reg(this->spi_d); // "... and read the last received data."
while (spi_is_tx_empty(this->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(this->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(DMA1, DMA_CH3);
spi_tx_dma_disable(SPI1);
// while (dma1_ch3_Active);
while ((dma_get_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel) & 0x2)==0); //Avoid interrupts and just loop waiting for the flag to be set.
dma_clear_isr_bits(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
while (spi_is_tx_empty(_currentSetting->spi_d) == 0); // "5. Wait until TXE=1 ..."
while (spi_is_busy(_currentSetting->spi_d) != 0); // "... and then wait until BSY=0 before disabling the SPI."
dma_disable(_currentSetting->spiDmaDev, _currentSetting->spiTxDmaChannel);
spi_tx_dma_disable(_currentSetting->spi_d);
if (spi_is_rx_nonempty(_currentSetting->spi_d) != 0){; // "4. Wait until RXNE=1 ..."
b = spi_rx_reg(_currentSetting->spi_d); // "... and read the last received data."
}
return b;
}
@ -480,19 +496,19 @@ void SPIClass::detachInterrupt(void) {
*/
uint8 SPIClass::misoPin(void) {
return dev_to_spi_pins(this->spi_d)->miso;
return dev_to_spi_pins(_currentSetting->spi_d)->miso;
}
uint8 SPIClass::mosiPin(void) {
return dev_to_spi_pins(this->spi_d)->mosi;
return dev_to_spi_pins(_currentSetting->spi_d)->mosi;
}
uint8 SPIClass::sckPin(void) {
return dev_to_spi_pins(this->spi_d)->sck;
return dev_to_spi_pins(_currentSetting->spi_d)->sck;
}
uint8 SPIClass::nssPin(void) {
return dev_to_spi_pins(this->spi_d)->nss;
return dev_to_spi_pins(_currentSetting->spi_d)->nss;
}
/*

38
STM32F1/libraries/SPI/src/SPI.h
View File

@ -118,6 +118,13 @@ private:
uint32_t clock;
BitOrder bitOrder;
uint8_t dataMode;
spi_dev *spi_d;
uint8_t _SSPin;
uint32_t clockDivider;
dma_channel spiRxDmaChannel, spiTxDmaChannel;
dma_dev* spiDmaDev;
friend class SPIClass;
};
@ -304,7 +311,24 @@ public:
* @brief Get a pointer to the underlying libmaple spi_dev for
* this HardwareSPI instance.
*/
spi_dev* c_dev(void) { return this->spi_d; }
spi_dev* c_dev(void) { return _currentSetting->spi_d; }
spi_dev *dev(){ return _currentSetting->spi_d;}
/**
* @brief Sets the number of the SPI peripheral to be used by
* this HardwareSPI instance.
*
* @param spi_num Number of the SPI port. 1-2 in low density devices
* or 1-3 in high density devices.
*/
void setModule(int spi_num)
{
_currentSetting=&_settings[spi_num-1];// SPI channels are called 1 2 and 3 but the array is zero indexed
}
/* -- The following methods are deprecated --------------------------- */
@ -338,12 +362,8 @@ public:
*/
uint8 recv(void);
spi_dev *dev(){ return spi_d;}
private:
/*
static inline void DMA1_CH3_Event() {
dma1_ch3_Active = 0;
// dma_disable(DMA1, DMA_CH3);
@ -351,11 +371,17 @@ private:
// To Do. Need to wait for
}
*/
SPISettings _settings[BOARD_NR_SPI];
SPISettings *_currentSetting;
/*
spi_dev *spi_d;
uint8_t _SSPin;
uint32_t clockDivider;
uint8_t dataMode;
BitOrder bitOrder;
*/
};

8
STM32F1/libraries/Serasidis_VS1003B_STM/src/VS1003_STM.cpp
View File

@ -10,11 +10,16 @@
email: avrsite@yahoo.gr
29 May 2015 - Added a fix for booting the VS1053B boards into
mp3 decoding instead of booting into MID (modeSwitch function).
01 July 2015 - Added a Flac decoder patch.
*/
//#include <my_SPI.h>
#include <VS1003_STM.h>
#if defined(USEFLAC)
#include "flac.h"
#endif
#define vs1003_chunk_size 32
/****************************************************************************/
@ -237,6 +242,9 @@ void VS1003::begin(void)
write_register(SCI_MODE, (1<<SM_SDINEW) | (1<<SM_RESET));
delay(1);
await_data_request();
#if defined(USEFLAC)
loadUserCode(flac_patch,FLAC_PATCHLEN);
#endif
//write_register(SCI_CLOCKF,0xB800); // Experimenting with higher clock settings
write_register(SCI_CLOCKF,0x6000);
delay(1);

3
STM32F1/libraries/Serasidis_VS1003B_STM/src/VS1003_STM.h
View File

@ -10,6 +10,7 @@
email: avrsite@yahoo.gr
29 May 2015 - Added a fix for booting the VS1053B boards into mp3 decoding instead of booting into MIDI.
01 July 2015 - Added a Flac decoder patch.
*/
//This is an additional test line
@ -20,6 +21,8 @@
// C headers
// Framework headers
//#define USEFLAC
#include <Arduino.h>
#include <SPI.h>
/**

1078
STM32F1/libraries/Serasidis_VS1003B_STM/src/flac.h Normal file
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File diff suppressed because it is too large Load Diff

1
STM32F1/libraries/TFT_ILI9163C Submodule

@ -0,0 +1 @@
Subproject commit bbc39bbb79edf95996da5733dadf293a0d5984ea

2
STM32F1/platform.txt
View File

@ -3,7 +3,7 @@
# For more info:
# https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
name=STM32 Boards (stm32duino)
name=STM32 Boards (STM32duino.com)
version=0.1.2
compiler.warning_flags=-w -DDEBUG_LEVEL=DEBUG_NONE

12
STM32F1/variants/generic_stm32f103c/board.cpp
View File

@ -56,13 +56,13 @@ extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
{GPIOA, TIMER2, ADC1, 0, 1, 0}, /* PA0 */
{GPIOA, TIMER2, ADC1, 1, 2, 1}, /* PA1 */
{GPIOA, TIMER2, ADC1, 1, 2, 1}, /* PA1 */
{GPIOA, TIMER2, ADC1, 2, 3, 2}, /* PA2 */
{GPIOA, TIMER2, ADC1, 3, 4, 3}, /* PA3 */
{GPIOA, NULL, ADC1, 4, 0, 4}, /* PA4 */
{GPIOA, NULL, ADC1, 5, 0, 5}, /* PA5 */
{GPIOA, TIMER3, ADC1, 6, 1, 6}, /* PA6 */
{GPIOA, TIMER3, ADC1, 7, 2, 7}, /* PA7 */
{GPIOA, NULL, ADC1, 4, 0, 4}, /* PA4 */
{GPIOA, NULL, ADC1, 5, 0, 5}, /* PA5 */
{GPIOA, TIMER3, ADC1, 6, 1, 6}, /* PA6 */
{GPIOA, TIMER3, ADC1, 7, 2, 7}, /* PA7 */
{GPIOA, TIMER1, NULL, 8, 1, ADCx}, /* PA8 */
{GPIOA, TIMER1, NULL, 9, 2, ADCx}, /* PA9 */
{GPIOA, TIMER1, NULL, 10, 3, ADCx}, /* PA10 */
@ -81,7 +81,7 @@ extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = {
{GPIOB, TIMER4, NULL, 6, 1, ADCx}, /* PB6 */
{GPIOB, TIMER4, NULL, 7, 2, ADCx}, /* PB7 */
{GPIOB, TIMER4, NULL, 8, 3, ADCx}, /* PB8 */
{GPIOB, NULL, NULL, 9, 0, ADCx}, /* PB9 */
{GPIOB, TIMER4, NULL, 9, 4, ADCx}, /* PB9 */
{GPIOB, NULL, NULL, 10, 0, ADCx}, /* PB10 */
{GPIOB, NULL, NULL, 11, 0, ADCx}, /* PB11 */
{GPIOB, NULL, NULL, 12, 0, ADCx}, /* PB12 */

45
STM32F4/cores/maple/Client.h Normal file
View File

@ -0,0 +1,45 @@
/*
Client.h - Base class that provides Client
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef client_h
#define client_h
#include "Print.h"
#include "Stream.h"
#include "IPAddress.h"
class Client : public Stream {
public:
virtual int connect(IPAddress ip, uint16_t port) =0;
virtual int connect(const char *host, uint16_t port) =0;
virtual size_t write(uint8_t) =0;
virtual size_t write(const uint8_t *buf, size_t size) =0;
virtual int available() = 0;
virtual int read() = 0;
virtual int read(uint8_t *buf, size_t size) = 0;
virtual int peek() = 0;
virtual void flush() = 0;
virtual void stop() = 0;
virtual uint8_t connected() = 0;
virtual operator bool() = 0;
protected:
uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); };
};
#endif

89
STM32F4/cores/maple/IPAddress.cpp Normal file
View File

@ -0,0 +1,89 @@
/*
IPAddress.cpp - Base class that provides IPAddress
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Arduino.h>
#include <IPAddress.h>
#include <Print.h>
IPAddress::IPAddress()
{
_address.dword = 0;
}
IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet)
{
_address.bytes[0] = first_octet;
_address.bytes[1] = second_octet;
_address.bytes[2] = third_octet;
_address.bytes[3] = fourth_octet;
}
IPAddress::IPAddress(uint32_t address)
{
_address.dword = address;
}
IPAddress::IPAddress(const uint8_t *address)
{
memcpy(_address.bytes, address, sizeof(_address.bytes));
}
IPAddress& IPAddress::operator=(const uint8_t *address)
{
memcpy(_address.bytes, address, sizeof(_address.bytes));
return *this;
}
IPAddress& IPAddress::operator=(uint32_t address)
{
_address.dword = address;
return *this;
}
bool IPAddress::operator==(const uint8_t* addr) const
{
return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0;
}
size_t IPAddress::printTo(Print& p) const
{
size_t n = 0;
for (int i =0; i < 3; i++)
{
n += p.print(_address.bytes[i], DEC);
n += p.print('.');
}
n += p.print(_address.bytes[3], DEC);
return n;
}
char *IPAddress::toCharArray()
{
static char szRet[20];
String str = String(_address.bytes[0]);
str += ".";
str += String(_address.bytes[1]);
str += ".";
str += String(_address.bytes[2]);
str += ".";
str += String(_address.bytes[3]);
str.toCharArray(szRet, 20);
return szRet;
}

76
STM32F4/cores/maple/IPAddress.h Normal file
View File

@ -0,0 +1,76 @@
/*
IPAddress.h - Base class that provides IPAddress
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef IPAddress_h
#define IPAddress_h
#include <stdint.h>
#include <Printable.h>
// A class to make it easier to handle and pass around IP addresses
class IPAddress : public Printable {
private:
union {
uint8_t bytes[4]; // IPv4 address
uint32_t dword;
} _address;
// Access the raw byte array containing the address. Because this returns a pointer
// to the internal structure rather than a copy of the address this function should only
// be used when you know that the usage of the returned uint8_t* will be transient and not
// stored.
uint8_t* raw_address() { return _address.bytes; };
public:
// Constructors
IPAddress();
IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet);
IPAddress(uint32_t address);
IPAddress(const uint8_t *address);
// Overloaded cast operator to allow IPAddress objects to be used where a pointer
// to a four-byte uint8_t array is expected
operator uint32_t() const { return _address.dword; };
bool operator==(const IPAddress& addr) const { return _address.dword == addr._address.dword; };
bool operator==(const uint8_t* addr) const;
// Overloaded index operator to allow getting and setting individual octets of the address
uint8_t operator[](int index) const { return _address.bytes[index]; };
uint8_t& operator[](int index) { return _address.bytes[index]; };
// Overloaded copy operators to allow initialisation of IPAddress objects from other types
IPAddress& operator=(const uint8_t *address);
IPAddress& operator=(uint32_t address);
virtual size_t printTo(Print& p) const;
char * toCharArray();
friend class EthernetClass;
friend class UDP;
friend class Client;
friend class Server;
friend class DhcpClass;
friend class DNSClient;
};
const IPAddress INADDR_NONE(0,0,0,0);
#endif

40
STM32F4/cores/maple/Printable.h Normal file
View File

@ -0,0 +1,40 @@
/*
Printable.h - Interface class that allows printing of complex types
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef Printable_h
#define Printable_h
#include <stdlib.h>
class Print;
/** The Printable class provides a way for new classes to allow themselves to be printed.
By deriving from Printable and implementing the printTo method, it will then be possible
for users to print out instances of this class by passing them into the usual
Print::print and Print::println methods.
*/
class Printable
{
public:
virtual size_t printTo(Print& p) const = 0;
};
#endif

30
STM32F4/cores/maple/Server.h Normal file
View File

@ -0,0 +1,30 @@
/*
Server.h - Base class that provides Server
Copyright (c) 2011 Adrian McEwen. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef server_h
#define server_h
#include "Print.h"
class Server : public Print {
public:
virtual void begin() =0;
};
#endif

88
STM32F4/cores/maple/Udp.h Normal file
View File

@ -0,0 +1,88 @@
/*
* Udp.cpp: Library to send/receive UDP packets.
*
* NOTE: UDP is fast, but has some important limitations (thanks to Warren Gray for mentioning these)
* 1) UDP does not guarantee the order in which assembled UDP packets are received. This
* might not happen often in practice, but in larger network topologies, a UDP
* packet can be received out of sequence.
* 2) UDP does not guard against lost packets - so packets *can* disappear without the sender being
* aware of it. Again, this may not be a concern in practice on small local networks.
* For more information, see http://www.cafeaulait.org/course/week12/35.html
*
* MIT License:
* Copyright (c) 2008 Bjoern Hartmann
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* bjoern@cs.stanford.edu 12/30/2008
*/
#ifndef udp_h
#define udp_h
#include <Stream.h>
#include <IPAddress.h>
class UDP : public Stream {
public:
virtual uint8_t begin(uint16_t) =0; // initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
virtual void stop() =0; // Finish with the UDP socket
// Sending UDP packets
// Start building up a packet to send to the remote host specific in ip and port
// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
virtual int beginPacket(IPAddress ip, uint16_t port) =0;
// Start building up a packet to send to the remote host specific in host and port
// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
virtual int beginPacket(const char *host, uint16_t port) =0;
// Finish off this packet and send it
// Returns 1 if the packet was sent successfully, 0 if there was an error
virtual int endPacket() =0;
// Write a single byte into the packet
virtual size_t write(uint8_t) =0;
// Write size bytes from buffer into the packet
virtual size_t write(const uint8_t *buffer, size_t size) =0;
// Start processing the next available incoming packet
// Returns the size of the packet in bytes, or 0 if no packets are available
virtual int parsePacket() =0;
// Number of bytes remaining in the current packet
virtual int available() =0;
// Read a single byte from the current packet
virtual int read() =0;
// Read up to len bytes from the current packet and place them into buffer
// Returns the number of bytes read, or 0 if none are available
virtual int read(unsigned char* buffer, size_t len) =0;
// Read up to len characters from the current packet and place them into buffer
// Returns the number of characters read, or 0 if none are available
virtual int read(char* buffer, size_t len) =0;
// Return the next byte from the current packet without moving on to the next byte
virtual int peek() =0;
virtual void flush() =0; // Finish reading the current packet
// Return the IP address of the host who sent the current incoming packet
virtual IPAddress remoteIP() =0;
// Return the port of the host who sent the current incoming packet
virtual uint16_t remotePort() =0;
protected:
uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); };
};
#endif

29
STM32F4/cores/maple/avr/dtostrf.c Normal file
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@ -0,0 +1,29 @@
/*
dtostrf - Emulation for dtostrf function from avr-libc
Copyright (c) 2013 Arduino. All rights reserved.
Written by Cristian Maglie <c.maglie@bug.st>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
char *dtostrf (double val, signed char width, unsigned char prec, char *sout) {
char fmt[20];
sprintf(fmt, "%%%d.%df", width, prec);
sprintf(sout, fmt, val);
return sout;
}

29
STM32F4/cores/maple/avr/dtostrf.h Normal file
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@ -0,0 +1,29 @@
/*
dtostrf - Emulation for dtostrf function from avr-libc
Copyright (c) 2013 Arduino. All rights reserved.
Written by Cristian Maglie <c.maglie@bug.st>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef __cplusplus
extern "C" {
#endif
char *dtostrf (double val, signed char width, unsigned char prec, char *sout);
#ifdef __cplusplus
}
#endif

44
STM32F4/cores/maple/avr/pgmspace.h Normal file
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@ -0,0 +1,44 @@
#ifndef __PGMSPACE_H_
#define __PGMSPACE_H_ 1
#include <inttypes.h>
#define PROGMEM
#define PGM_P const char *
#define PSTR(str) (str)
#define _SFR_BYTE(n) (n)
typedef void prog_void;
typedef char prog_char;
typedef unsigned char prog_uchar;
typedef int8_t prog_int8_t;
typedef uint8_t prog_uint8_t;
typedef int16_t prog_int16_t;
typedef uint16_t prog_uint16_t;
typedef int32_t prog_int32_t;
typedef uint32_t prog_uint32_t;
#define memcpy_P(dest, src, num) memcpy((dest), (src), (num))
#define strcpy_P(dest, src) strcpy((dest), (src))
#define strcat_P(dest, src) strcat((dest), (src))
#define strcmp_P(a, b) strcmp((a), (b))
#define strstr_P(a, b) strstr((a), (b))
#define strlen_P(a) strlen((a))
#define sprintf_P(s, f, ...) sprintf((s), (f), __VA_ARGS__)
#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
#define pgm_read_word(addr) (*(const unsigned short *)(addr))
#define pgm_read_dword(addr) (*(const unsigned long *)(addr))
#define pgm_read_float(addr) (*(const float *)(addr))
#define pgm_read_byte_near(addr) pgm_read_byte(addr)
#define pgm_read_word_near(addr) pgm_read_word(addr)
#define pgm_read_dword_near(addr) pgm_read_dword(addr)
#define pgm_read_float_near(addr) pgm_read_float(addr)
#define pgm_read_byte_far(addr) pgm_read_byte(addr)
#define pgm_read_word_far(addr) pgm_read_word(addr)
#define pgm_read_dword_far(addr) pgm_read_dword(addr)
#define pgm_read_float_far(addr) pgm_read_float(addr)
#endif

10
STM32F4/cores/maple/libmaple/HardwareSerial.cpp
View File

@ -94,8 +94,14 @@ void HardwareSerial::begin(uint32 baud) {
const stm32_pin_info *rxi = &PIN_MAP[rx_pin];
#ifdef STM32F2
// int af = 7<<8;
gpio_set_af_mode(txi->gpio_device, txi->gpio_bit, 7);
gpio_set_af_mode(rxi->gpio_device, rxi->gpio_bit, 7);
if (usart_device == UART4 || usart_device == UART5) {
gpio_set_af_mode(txi->gpio_device, txi->gpio_bit, 8);
gpio_set_af_mode(rxi->gpio_device, rxi->gpio_bit, 8);
}
else {
gpio_set_af_mode(txi->gpio_device, txi->gpio_bit, 7);
gpio_set_af_mode(rxi->gpio_device, rxi->gpio_bit, 7);
}
gpio_set_mode(txi->gpio_device, txi->gpio_bit, (gpio_pin_mode)(GPIO_AF_OUTPUT_PP | GPIO_PUPD_INPUT_PU | 0x700));
gpio_set_mode(rxi->gpio_device, rxi->gpio_bit, (gpio_pin_mode)(GPIO_MODE_AF | GPIO_PUPD_INPUT_PU | 0x700));
//gpio_set_mode(txi->gpio_device, txi->gpio_bit, (gpio_pin_mode)(GPIO_PUPD_INPUT_PU));

12
STM32F4/cores/maple/libmaple/gpioF2.c
View File

@ -126,6 +126,18 @@ void gpio_init_all(void) {
gpio_init(GPIOF);
gpio_init(GPIOG);
#endif
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
// PA8 Output the Master Clock MCO1
gpio_set_af_mode(GPIOA, 8, 0);
gpio_set_mode(GPIOA, 8, GPIO_MODE_AF | GPIO_OTYPE_PP | GPIO_OSPEED_100MHZ);
// PB4 as alternate MISO Input
gpio_set_af_mode(GPIOB, 4, 5);
// PA5 as alternate SCK Output
gpio_set_af_mode(GPIOA, 5, 5);
// PA7 as alternate MOSI Output
gpio_set_af_mode(GPIOA, 7, 5);
#endif
}
/**

2
STM32F4/cores/maple/libmaple/libmaple_types.h
View File

@ -48,6 +48,8 @@ typedef void (*voidFuncPtr)(void);
#define __io volatile
#define __attr_flash __attribute__((section (".USER_FLASH")))
#define __always_inline inline __attribute__((always_inline))
#ifndef NULL
#define NULL 0
#endif

24
STM32F4/cores/maple/libmaple/rccF2.c
View File

@ -34,6 +34,7 @@
#include "libmaple.h"
#include "flash.h"
#include "gpio.h"
#include "rcc.h"
#include "bitband.h"
@ -167,6 +168,18 @@ typedef struct
typedef uint32 uint32_t;
void InitMCO1()
{
rcc_reg_map *RCC = RCC_BASE;
// Turn MCO1 Master Clock Output mode
RCC->CFGR &= RCC_CFGR_MCO1_RESET_MASK;
RCC->CFGR |= RCC_CFGR_MCO1Source_HSE | RCC_CFGR_MCO1Div_1;
// PA8 Output the Master Clock MCO1
gpio_set_af_mode(GPIOA, 8, 0);
gpio_set_mode(GPIOA, 8, GPIO_MODE_AF | GPIO_OTYPE_PP | GPIO_OSPEED_100MHZ);
}
void SetupClock72MHz()
{
uint32_t SystemCoreClock = 72000000;
@ -377,6 +390,10 @@ void SetupClock168MHz()
uint32 StartUpCounter = 0, HSEStatus = 0;
rcc_reg_map *RCC = RCC_BASE;
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
InitMCO1();
#endif
/* Enable HSE */
RCC->CR |= ((uint32_t)RCC_CR_HSEON);
@ -447,20 +464,19 @@ void SetupClock168MHz()
}
void rcc_clk_init(rcc_sysclk_src sysclk_src,
rcc_pllsrc pll_src,
rcc_pll_multiplier pll_mul) {
//SetupClock72MHz();
#if STM32_TICKS_PER_US == 168
SetupClock168MHz();
SetupClock168MHz();
#endif
#if STM32_TICKS_PER_US == 120
SetupClock120MHz();
SetupClock120MHz();
#endif
#if STM32_TICKS_PER_US == 72
SetupClock72MHz();
SetupClock72MHz();
#endif
}

11
STM32F4/cores/maple/libmaple/rccF2.h
View File

@ -125,6 +125,17 @@ typedef struct
#define RCC_CFGR_SW_PLL 0x2
#define RCC_CFGR_SW_HSE 0x1
#define RCC_CFGR_MCO1Source_HSI ((uint32_t)0x00000000)
#define RCC_CFGR_MCO1Source_LSE ((uint32_t)0x00200000)
#define RCC_CFGR_MCO1Source_HSE ((uint32_t)0x00400000)
#define RCC_CFGR_MCO1Source_PLLCLK ((uint32_t)0x00600000)
#define RCC_CFGR_MCO1Div_1 ((uint32_t)0x00000000)
#define RCC_CFGR_MCO1Div_2 ((uint32_t)0x04000000)
#define RCC_CFGR_MCO1Div_3 ((uint32_t)0x05000000)
#define RCC_CFGR_MCO1Div_4 ((uint32_t)0x06000000)
#define RCC_CFGR_MCO1Div_5 ((uint32_t)0x07000000)
#define RCC_CFGR_MCO1_RESET_MASK ((uint32_t)0xF89FFFFF)
/* Clock interrupt register */
#define RCC_CIR_CSSC_BIT 23

478
STM32F4/libraries/arduino_uip/Dhcp.cpp Normal file
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@ -0,0 +1,478 @@
// DHCP Library v0.3 - April 25, 2009
// Author: Jordan Terrell - blog.jordanterrell.com
#include <string.h>
#include <stdlib.h>
#include "Dhcp.h"
#include "Arduino.h"
#include "utility/util.h"
int DhcpClass::beginWithDHCP(uint8_t *mac, unsigned long timeout, unsigned long responseTimeout)
{
_dhcpLeaseTime=0;
_dhcpT1=0;
_dhcpT2=0;
_lastCheck=0;
_timeout = timeout;
_responseTimeout = responseTimeout;
// zero out _dhcpMacAddr
memset(_dhcpMacAddr, 0, 6);
reset_DHCP_lease();
memcpy((void*)_dhcpMacAddr, (void*)mac, 6);
_dhcp_state = STATE_DHCP_START;
return request_DHCP_lease();
}
void DhcpClass::reset_DHCP_lease(){
// zero out _dhcpSubnetMask, _dhcpGatewayIp, _dhcpLocalIp, _dhcpDhcpServerIp, _dhcpDnsServerIp
memset(_dhcpLocalIp, 0, 20);
}
//return:0 on error, 1 if request is sent and response is received
int DhcpClass::request_DHCP_lease(){
uint8_t messageType = 0;
// Pick an initial transaction ID
_dhcpTransactionId = random(1UL, 2000UL);
_dhcpInitialTransactionId = _dhcpTransactionId;
_dhcpUdpSocket.stop();
if (_dhcpUdpSocket.begin(DHCP_CLIENT_PORT) == 0)
{
// Couldn't get a socket
return 0;
}
presend_DHCP();
int result = 0;
unsigned long startTime = millis();
while(_dhcp_state != STATE_DHCP_LEASED)
{
if(_dhcp_state == STATE_DHCP_START)
{
_dhcpTransactionId++;
send_DHCP_MESSAGE(DHCP_DISCOVER, ((millis() - startTime) / 1000));
_dhcp_state = STATE_DHCP_DISCOVER;
}
else if(_dhcp_state == STATE_DHCP_REREQUEST){
_dhcpTransactionId++;
send_DHCP_MESSAGE(DHCP_REQUEST, ((millis() - startTime)/1000));
_dhcp_state = STATE_DHCP_REQUEST;
}
else if(_dhcp_state == STATE_DHCP_DISCOVER)
{
uint32_t respId;
messageType = parseDHCPResponse(_responseTimeout, respId);
if(messageType == DHCP_OFFER)
{
// We'll use the transaction ID that the offer came with,
// rather than the one we were up to
_dhcpTransactionId = respId;
send_DHCP_MESSAGE(DHCP_REQUEST, ((millis() - startTime) / 1000));
_dhcp_state = STATE_DHCP_REQUEST;
}
}
else if(_dhcp_state == STATE_DHCP_REQUEST)
{
uint32_t respId;
messageType = parseDHCPResponse(_responseTimeout, respId);
if(messageType == DHCP_ACK)
{
_dhcp_state = STATE_DHCP_LEASED;
result = 1;
//use default lease time if we didn't get it
if(_dhcpLeaseTime == 0){
_dhcpLeaseTime = DEFAULT_LEASE;
}
//calculate T1 & T2 if we didn't get it
if(_dhcpT1 == 0){
//T1 should be 50% of _dhcpLeaseTime
_dhcpT1 = _dhcpLeaseTime >> 1;
}
if(_dhcpT2 == 0){
//T2 should be 87.5% (7/8ths) of _dhcpLeaseTime
_dhcpT2 = _dhcpT1 << 1;
}
_renewInSec = _dhcpT1;
_rebindInSec = _dhcpT2;
}
else if(messageType == DHCP_NAK)
_dhcp_state = STATE_DHCP_START;
}
if(messageType == 255)
{
messageType = 0;
_dhcp_state = STATE_DHCP_START;
}
if(result != 1 && ((millis() - startTime) > _timeout))
break;
}
// We're done with the socket now
_dhcpUdpSocket.stop();
_dhcpTransactionId++;
return result;
}
void DhcpClass::presend_DHCP()
{
}
void DhcpClass::send_DHCP_MESSAGE(uint8_t messageType, uint16_t secondsElapsed)
{
uint8_t buffer[32];
memset(buffer, 0, 32);
IPAddress dest_addr( 255, 255, 255, 255 ); // Broadcast address
if (-1 == _dhcpUdpSocket.beginPacket(dest_addr, DHCP_SERVER_PORT))
{
// FIXME Need to return errors
return;
}
buffer[0] = DHCP_BOOTREQUEST; // op
buffer[1] = DHCP_HTYPE10MB; // htype
buffer[2] = DHCP_HLENETHERNET; // hlen
buffer[3] = DHCP_HOPS; // hops
// xid
unsigned long xid = htonl(_dhcpTransactionId);
memcpy(buffer + 4, &(xid), 4);
// 8, 9 - seconds elapsed
buffer[8] = ((secondsElapsed & 0xff00) >> 8);
buffer[9] = (secondsElapsed & 0x00ff);
// flags
unsigned short flags = htons(DHCP_FLAGSBROADCAST);
memcpy(buffer + 10, &(flags), 2);
// ciaddr: already zeroed
// yiaddr: already zeroed
// siaddr: already zeroed
// giaddr: already zeroed
//put data in W5100 transmit buffer
_dhcpUdpSocket.write(buffer, 28);
memset(buffer, 0, 32); // clear local buffer
memcpy(buffer, _dhcpMacAddr, 6); // chaddr
//put data in W5100 transmit buffer
_dhcpUdpSocket.write(buffer, 16);
memset(buffer, 0, 32); // clear local buffer
// leave zeroed out for sname && file
// put in W5100 transmit buffer x 6 (192 bytes)
for(int i = 0; i < 6; i++) {
_dhcpUdpSocket.write(buffer, 32);
}
// OPT - Magic Cookie
buffer[0] = (uint8_t)((MAGIC_COOKIE >> 24)& 0xFF);
buffer[1] = (uint8_t)((MAGIC_COOKIE >> 16)& 0xFF);
buffer[2] = (uint8_t)((MAGIC_COOKIE >> 8)& 0xFF);
buffer[3] = (uint8_t)(MAGIC_COOKIE& 0xFF);
// OPT - message type
buffer[4] = dhcpMessageType;
buffer[5] = 0x01;
buffer[6] = messageType; //DHCP_REQUEST;
// OPT - client identifier
buffer[7] = dhcpClientIdentifier;
buffer[8] = 0x07;
buffer[9] = 0x01;
memcpy(buffer + 10, _dhcpMacAddr, 6);
// OPT - host name
buffer[16] = hostName;
buffer[17] = strlen(HOST_NAME) + 6; // length of hostname + last 3 bytes of mac address
strcpy((char*)&(buffer[18]), HOST_NAME);
printByte((char*)&(buffer[24]), _dhcpMacAddr[3]);
printByte((char*)&(buffer[26]), _dhcpMacAddr[4]);
printByte((char*)&(buffer[28]), _dhcpMacAddr[5]);
//put data in W5100 transmit buffer
_dhcpUdpSocket.write(buffer, 30);
if(messageType == DHCP_REQUEST)
{
buffer[0] = dhcpRequestedIPaddr;
buffer[1] = 0x04;
buffer[2] = _dhcpLocalIp[0];
buffer[3] = _dhcpLocalIp[1];
buffer[4] = _dhcpLocalIp[2];
buffer[5] = _dhcpLocalIp[3];
buffer[6] = dhcpServerIdentifier;
buffer[7] = 0x04;
buffer[8] = _dhcpDhcpServerIp[0];
buffer[9] = _dhcpDhcpServerIp[1];
buffer[10] = _dhcpDhcpServerIp[2];
buffer[11] = _dhcpDhcpServerIp[3];
//put data in W5100 transmit buffer
_dhcpUdpSocket.write(buffer, 12);
}
buffer[0] = dhcpParamRequest;
buffer[1] = 0x06;
buffer[2] = subnetMask;
buffer[3] = routersOnSubnet;
buffer[4] = dns;
buffer[5] = domainName;
buffer[6] = dhcpT1value;
buffer[7] = dhcpT2value;
buffer[8] = endOption;
//put data in W5100 transmit buffer
_dhcpUdpSocket.write(buffer, 9);
_dhcpUdpSocket.endPacket();
}
uint8_t DhcpClass::parseDHCPResponse(unsigned long responseTimeout, uint32_t& transactionId)
{
uint8_t type = 0;
uint8_t opt_len = 0;
unsigned long startTime = millis();
while(_dhcpUdpSocket.parsePacket() <= 0)
{
if((millis() - startTime) > responseTimeout)
{
return 255;
}
delay(50);
}
// start reading in the packet
RIP_MSG_FIXED fixedMsg;
_dhcpUdpSocket.read((uint8_t*)&fixedMsg, sizeof(RIP_MSG_FIXED));
if(fixedMsg.op == DHCP_BOOTREPLY && _dhcpUdpSocket.remotePort() == DHCP_SERVER_PORT)
{
transactionId = ntohl(fixedMsg.xid);
if(memcmp(fixedMsg.chaddr, _dhcpMacAddr, 6) != 0 || (transactionId < _dhcpInitialTransactionId) || (transactionId > _dhcpTransactionId))
{
// Need to read the rest of the packet here regardless
_dhcpUdpSocket.flush();
return 0;
}
memcpy(_dhcpLocalIp, fixedMsg.yiaddr, 4);
// Skip to the option part
// Doing this a byte at a time so we don't have to put a big buffer
// on the stack (as we don't have lots of memory lying around)
for (int i =0; i < (240 - (int)sizeof(RIP_MSG_FIXED)); i++)
{
_dhcpUdpSocket.read(); // we don't care about the returned byte
}
while (_dhcpUdpSocket.available() > 0)
{
switch (_dhcpUdpSocket.read())
{
case endOption :
break;
case padOption :
break;
case dhcpMessageType :
opt_len = _dhcpUdpSocket.read();
type = _dhcpUdpSocket.read();
break;
case subnetMask :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read(_dhcpSubnetMask, 4);
break;
case routersOnSubnet :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read(_dhcpGatewayIp, 4);
for (int i = 0; i < opt_len-4; i++)
{
_dhcpUdpSocket.read();
}
break;
case dns :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read(_dhcpDnsServerIp, 4);
for (int i = 0; i < opt_len-4; i++)
{
_dhcpUdpSocket.read();
}
break;
case dhcpServerIdentifier :
opt_len = _dhcpUdpSocket.read();
if( *((uint32_t*)_dhcpDhcpServerIp) == 0 ||
IPAddress(_dhcpDhcpServerIp) == _dhcpUdpSocket.remoteIP() )
{
_dhcpUdpSocket.read(_dhcpDhcpServerIp, sizeof(_dhcpDhcpServerIp));
}
else
{
// Skip over the rest of this option
while (opt_len--)
{
_dhcpUdpSocket.read();
}
}
break;
case dhcpT1value :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read((uint8_t*)&_dhcpT1, sizeof(_dhcpT1));
_dhcpT1 = ntohl(_dhcpT1);
break;
case dhcpT2value :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read((uint8_t*)&_dhcpT2, sizeof(_dhcpT2));
_dhcpT2 = ntohl(_dhcpT2);
break;
case dhcpIPaddrLeaseTime :
opt_len = _dhcpUdpSocket.read();
_dhcpUdpSocket.read((uint8_t*)&_dhcpLeaseTime, sizeof(_dhcpLeaseTime));
_dhcpLeaseTime = ntohl(_dhcpLeaseTime);
_renewInSec = _dhcpLeaseTime;
break;
default :
opt_len = _dhcpUdpSocket.read();
// Skip over the rest of this option
while (opt_len--)
{
_dhcpUdpSocket.read();
}
break;
}
}
}
// Need to skip to end of the packet regardless here
_dhcpUdpSocket.flush();
return type;
}
/*
returns:
0/DHCP_CHECK_NONE: nothing happened
1/DHCP_CHECK_RENEW_FAIL: renew failed
2/DHCP_CHECK_RENEW_OK: renew success
3/DHCP_CHECK_REBIND_FAIL: rebind fail
4/DHCP_CHECK_REBIND_OK: rebind success
*/
int DhcpClass::checkLease(){
//this uses a signed / unsigned trick to deal with millis overflow
unsigned long now = millis();
signed long snow = (long)now;
int rc=DHCP_CHECK_NONE;
if (_lastCheck != 0){
signed long factor;
//calc how many ms past the timeout we are
factor = snow - (long)_secTimeout;
//if on or passed the timeout, reduce the counters
if ( factor >= 0 ){
//next timeout should be now plus 1000 ms minus parts of second in factor
_secTimeout = snow + 1000 - factor % 1000;
//how many seconds late are we, minimum 1
factor = factor / 1000 +1;
//reduce the counters by that mouch
//if we can assume that the cycle time (factor) is fairly constant
//and if the remainder is less than cycle time * 2
//do it early instead of late
if(_renewInSec < factor*2 )
_renewInSec = 0;
else
_renewInSec -= factor;
if(_rebindInSec < factor*2 )
_rebindInSec = 0;
else
_rebindInSec -= factor;
}
//if we have a lease but should renew, do it
if (_dhcp_state == STATE_DHCP_LEASED && _renewInSec <=0){
_dhcp_state = STATE_DHCP_REREQUEST;
rc = 1 + request_DHCP_lease();
}
//if we have a lease or is renewing but should bind, do it
if( (_dhcp_state == STATE_DHCP_LEASED || _dhcp_state == STATE_DHCP_START) && _rebindInSec <=0){
//this should basically restart completely
_dhcp_state = STATE_DHCP_START;
reset_DHCP_lease();
rc = 3 + request_DHCP_lease();
}
}
else{
_secTimeout = snow + 1000;
}
_lastCheck = now;
return rc;
}
IPAddress DhcpClass::getLocalIp()
{
return IPAddress(_dhcpLocalIp);
}
IPAddress DhcpClass::getSubnetMask()
{
return IPAddress(_dhcpSubnetMask);
}
IPAddress DhcpClass::getGatewayIp()
{
return IPAddress(_dhcpGatewayIp);
}
IPAddress DhcpClass::getDhcpServerIp()
{
return IPAddress(_dhcpDhcpServerIp);
}
IPAddress DhcpClass::getDnsServerIp()
{
return IPAddress(_dhcpDnsServerIp);
}
void DhcpClass::printByte(char * buf, uint8_t n ) {
char *str = &buf[1];
buf[0]='0';
do {
unsigned long m = n;
n /= 16;
char c = m - 16 * n;
*str-- = c < 10 ? c + '0' : c + 'A' - 10;
} while(n);
}

178
STM32F4/libraries/arduino_uip/Dhcp.h Normal file
View File

@ -0,0 +1,178 @@
// DHCP Library v0.3 - April 25, 2009
// Author: Jordan Terrell - blog.jordanterrell.com
#ifndef Dhcp_h
#define Dhcp_h
#include "UIPUdp.h"
/* DHCP state machine. */
#define STATE_DHCP_START 0
#define STATE_DHCP_DISCOVER 1
#define STATE_DHCP_REQUEST 2
#define STATE_DHCP_LEASED 3
#define STATE_DHCP_REREQUEST 4
#define STATE_DHCP_RELEASE 5
#define DHCP_FLAGSBROADCAST 0x8000
/* UDP port numbers for DHCP */
#define DHCP_SERVER_PORT 67 /* from server to client */
#define DHCP_CLIENT_PORT 68 /* from client to server */
/* DHCP message OP code */
#define DHCP_BOOTREQUEST 1
#define DHCP_BOOTREPLY 2
/* DHCP message type */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8
#define DHCP_HTYPE10MB 1
#define DHCP_HTYPE100MB 2
#define DHCP_HLENETHERNET 6
#define DHCP_HOPS 0
#define DHCP_SECS 0
#define MAGIC_COOKIE 0x63825363
#define MAX_DHCP_OPT 16
#define HOST_NAME "ENC28J"
#define DEFAULT_LEASE (900) //default lease time in seconds
#define DHCP_CHECK_NONE (0)
#define DHCP_CHECK_RENEW_FAIL (1)
#define DHCP_CHECK_RENEW_OK (2)
#define DHCP_CHECK_REBIND_FAIL (3)
#define DHCP_CHECK_REBIND_OK (4)
enum
{
padOption = 0,
subnetMask = 1,
timerOffset = 2,
routersOnSubnet = 3,
/* timeServer = 4,
nameServer = 5,*/
dns = 6,
/*logServer = 7,
cookieServer = 8,
lprServer = 9,
impressServer = 10,
resourceLocationServer = 11,*/
hostName = 12,
/*bootFileSize = 13,
meritDumpFile = 14,*/
domainName = 15,
/*swapServer = 16,
rootPath = 17,
extentionsPath = 18,
IPforwarding = 19,
nonLocalSourceRouting = 20,
policyFilter = 21,
maxDgramReasmSize = 22,
defaultIPTTL = 23,
pathMTUagingTimeout = 24,
pathMTUplateauTable = 25,
ifMTU = 26,
allSubnetsLocal = 27,
broadcastAddr = 28,
performMaskDiscovery = 29,
maskSupplier = 30,
performRouterDiscovery = 31,
routerSolicitationAddr = 32,
staticRoute = 33,
trailerEncapsulation = 34,
arpCacheTimeout = 35,
ethernetEncapsulation = 36,
tcpDefaultTTL = 37,
tcpKeepaliveInterval = 38,
tcpKeepaliveGarbage = 39,
nisDomainName = 40,
nisServers = 41,
ntpServers = 42,
vendorSpecificInfo = 43,
netBIOSnameServer = 44,
netBIOSdgramDistServer = 45,
netBIOSnodeType = 46,
netBIOSscope = 47,
xFontServer = 48,
xDisplayManager = 49,*/
dhcpRequestedIPaddr = 50,
dhcpIPaddrLeaseTime = 51,
/*dhcpOptionOverload = 52,*/
dhcpMessageType = 53,
dhcpServerIdentifier = 54,
dhcpParamRequest = 55,
/*dhcpMsg = 56,
dhcpMaxMsgSize = 57,*/
dhcpT1value = 58,
dhcpT2value = 59,
/*dhcpClassIdentifier = 60,*/
dhcpClientIdentifier = 61,
endOption = 255
};
typedef struct _RIP_MSG_FIXED
{
uint8_t op;
uint8_t htype;
uint8_t hlen;
uint8_t hops;
uint32_t xid;
uint16_t secs;
uint16_t flags;
uint8_t ciaddr[4];
uint8_t yiaddr[4];
uint8_t siaddr[4];
uint8_t giaddr[4];
uint8_t chaddr[6];
}RIP_MSG_FIXED;
class DhcpClass {
private:
uint32_t _dhcpInitialTransactionId;
uint32_t _dhcpTransactionId;
uint8_t _dhcpMacAddr[6];
uint8_t _dhcpLocalIp[4];
uint8_t _dhcpSubnetMask[4];
uint8_t _dhcpGatewayIp[4];
uint8_t _dhcpDhcpServerIp[4];
uint8_t _dhcpDnsServerIp[4];
uint32_t _dhcpLeaseTime;
uint32_t _dhcpT1, _dhcpT2;
signed long _renewInSec;
signed long _rebindInSec;
signed long _lastCheck;
unsigned long _timeout;
unsigned long _responseTimeout;
unsigned long _secTimeout;
uint8_t _dhcp_state;
UIPUDP _dhcpUdpSocket;
int request_DHCP_lease();
void reset_DHCP_lease();
void presend_DHCP();
void send_DHCP_MESSAGE(uint8_t, uint16_t);
void printByte(char *, uint8_t);
uint8_t parseDHCPResponse(unsigned long responseTimeout, uint32_t& transactionId);
public:
IPAddress getLocalIp();
IPAddress getSubnetMask();
IPAddress getGatewayIp();
IPAddress getDhcpServerIp();
IPAddress getDnsServerIp();
int beginWithDHCP(uint8_t *, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
int checkLease();
};
#endif

421
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// Arduino DNS client for Enc28J60-based Ethernet shield
// (c) Copyright 2009-2010 MCQN Ltd.
// Released under Apache License, version 2.0
#include "Udp.h"
#include "utility/util.h"
#include "Dns.h"
#include <string.h>
//#include <stdlib.h>
#include "Arduino.h"
#define SOCKET_NONE 255
// Various flags and header field values for a DNS message
#define UDP_HEADER_SIZE 8
#define DNS_HEADER_SIZE 12
#define TTL_SIZE 4
#define QUERY_FLAG (0)
#define RESPONSE_FLAG (1<<15)
#define QUERY_RESPONSE_MASK (1<<15)
#define OPCODE_STANDARD_QUERY (0)
#define OPCODE_INVERSE_QUERY (1<<11)
#define OPCODE_STATUS_REQUEST (2<<11)
#define OPCODE_MASK (15<<11)
#define AUTHORITATIVE_FLAG (1<<10)
#define TRUNCATION_FLAG (1<<9)
#define RECURSION_DESIRED_FLAG (1<<8)
#define RECURSION_AVAILABLE_FLAG (1<<7)
#define RESP_NO_ERROR (0)
#define RESP_FORMAT_ERROR (1)
#define RESP_SERVER_FAILURE (2)
#define RESP_NAME_ERROR (3)
#define RESP_NOT_IMPLEMENTED (4)
#define RESP_REFUSED (5)
#define RESP_MASK (15)
#define TYPE_A (0x0001)
#define CLASS_IN (0x0001)
#define LABEL_COMPRESSION_MASK (0xC0)
// Port number that DNS servers listen on
#define DNS_PORT 53
// Possible return codes from ProcessResponse
#define SUCCESS 1
#define TIMED_OUT -1
#define INVALID_SERVER -2
#define TRUNCATED -3
#define INVALID_RESPONSE -4
void DNSClient::begin(const IPAddress& aDNSServer)
{
iDNSServer = aDNSServer;
iRequestId = 0;
}
int DNSClient::inet_aton(const char* aIPAddrString, IPAddress& aResult)
{
// See if we've been given a valid IP address
const char* p =aIPAddrString;
while (*p && ( (*p == '.') || ((*p >= '0') && (*p <= '9')) ))
{
p++;
}
if (*p == '\0')
{
// It's looking promising, we haven't found any invalid characters
p = aIPAddrString;
int segment =0;
int segmentValue =0;
while (*p && (segment < 4))
{
if (*p == '.')
{
// We've reached the end of a segment
if (segmentValue > 255)
{
// You can't have IP address segments that don't fit in a byte
return 0;
}
else
{
aResult[segment] = (byte)segmentValue;
segment++;
segmentValue = 0;
}
}
else
{
// Next digit
segmentValue = (segmentValue*10)+(*p - '0');
}
p++;
}
// We've reached the end of address, but there'll still be the last
// segment to deal with
if ((segmentValue > 255) || (segment > 3))
{
// You can't have IP address segments that don't fit in a byte,
// or more than four segments
return 0;
}
else
{
aResult[segment] = (byte)segmentValue;
return 1;
}
}
else
{
return 0;
}
}
int DNSClient::getHostByName(const char* aHostname, IPAddress& aResult)
{
int ret =0;
// See if it's a numeric IP address
if (inet_aton(aHostname, aResult))
{
// It is, our work here is done
return 1;
}
// Check we've got a valid DNS server to use
if (iDNSServer == INADDR_NONE)
{
return INVALID_SERVER;
}
// Find a socket to use
if (iUdp.begin(1024+(millis() & 0xF)) == 1)
{
// Try up to three times
int retries = 0;
// while ((retries < 3) && (ret <= 0))
{
// Send DNS request
ret = iUdp.beginPacket(iDNSServer, DNS_PORT);
if (ret != 0)
{
// Now output the request data
ret = BuildRequest(aHostname);
if (ret != 0)
{
// And finally send the request
ret = iUdp.endPacket();
if (ret != 0)
{
// Now wait for a response
int wait_retries = 0;
ret = TIMED_OUT;
while ((wait_retries < 3) && (ret == TIMED_OUT))
{
ret = ProcessResponse(5000, aResult);
wait_retries++;
}
}
}
}
retries++;
}
// We're done with the socket now
iUdp.stop();
}
return ret;
}
uint16_t DNSClient::BuildRequest(const char* aName)
{
// Build header
// 1 1 1 1 1 1
// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// | ID |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// |QR| Opcode |AA|TC|RD|RA| Z | RCODE |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// | QDCOUNT |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// | ANCOUNT |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// | NSCOUNT |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// | ARCOUNT |
// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
// As we only support one request at a time at present, we can simplify
// some of this header
iRequestId = millis(); // generate a random ID
uint16_t twoByteBuffer;
// FIXME We should also check that there's enough space available to write to, rather
// FIXME than assume there's enough space (as the code does at present)
iUdp.write((uint8_t*)&iRequestId, sizeof(iRequestId));
twoByteBuffer = htons(QUERY_FLAG | OPCODE_STANDARD_QUERY | RECURSION_DESIRED_FLAG);
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
twoByteBuffer = htons(1); // One question record
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
twoByteBuffer = 0; // Zero answer records
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
// and zero additional records
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
// Build question
const char* start =aName;
const char* end =start;
uint8_t len;
// Run through the name being requested
while (*end)
{
// Find out how long this section of the name is
end = start;
while (*end && (*end != '.') )
{
end++;
}
if (end-start > 0)
{
// Write out the size of this section
len = end-start;
iUdp.write(&len, sizeof(len));
// And then write out the section
iUdp.write((uint8_t*)start, end-start);
}
start = end+1;
}
// We've got to the end of the question name, so
// terminate it with a zero-length section
len = 0;
iUdp.write(&len, sizeof(len));
// Finally the type and class of question
twoByteBuffer = htons(TYPE_A);
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
twoByteBuffer = htons(CLASS_IN); // Internet class of question
iUdp.write((uint8_t*)&twoByteBuffer, sizeof(twoByteBuffer));
// Success! Everything buffered okay
return 1;
}
uint16_t DNSClient::ProcessResponse(uint16_t aTimeout, IPAddress& aAddress)
{
uint32_t startTime = millis();
// Wait for a response packet
while(iUdp.parsePacket() <= 0)
{
if((millis() - startTime) > aTimeout)
return TIMED_OUT;
delay(50);
}
// We've had a reply!
// Read the UDP header
uint8_t header[DNS_HEADER_SIZE]; // Enough space to reuse for the DNS header
// Check that it's a response from the right server and the right port
if ( (iDNSServer != iUdp.remoteIP()) ||
(iUdp.remotePort() != DNS_PORT) )
{
// It's not from who we expected
return INVALID_SERVER;
}
// Read through the rest of the response
if (iUdp.available() < DNS_HEADER_SIZE)
{
return TRUNCATED;
}
iUdp.read(header, DNS_HEADER_SIZE);
uint16_t header_flags = htons(*((uint16_t*)&header[2]));
// Check that it's a response to this request
if ( ( iRequestId != (*((uint16_t*)&header[0])) ) ||
((header_flags & QUERY_RESPONSE_MASK) != (uint16_t)RESPONSE_FLAG) )
{
// Mark the entire packet as read
iUdp.flush();
return INVALID_RESPONSE;
}
// Check for any errors in the response (or in our request)
// although we don't do anything to get round these
if ( (header_flags & TRUNCATION_FLAG) || (header_flags & RESP_MASK) )
{
// Mark the entire packet as read
iUdp.flush();
return -5; //INVALID_RESPONSE;
}
// And make sure we've got (at least) one answer
uint16_t answerCount = htons(*((uint16_t*)&header[6]));
if (answerCount == 0 )
{
// Mark the entire packet as read
iUdp.flush();
return -6; //INVALID_RESPONSE;
}
// Skip over any questions
for (uint16_t i =0; i < htons(*((uint16_t*)&header[4])); i++)
{
// Skip over the name
uint8_t len;
do
{
iUdp.read(&len, sizeof(len));
if (len > 0)
{
// Don't need to actually read the data out for the string, just
// advance ptr to beyond it
while(len--)
{
iUdp.read(); // we don't care about the returned byte
}
}
} while (len != 0);
// Now jump over the type and class
for (int i =0; i < 4; i++)
{
iUdp.read(); // we don't care about the returned byte
}
}
// Now we're up to the bit we're interested in, the answer
// There might be more than one answer (although we'll just use the first
// type A answer) and some authority and additional resource records but
// we're going to ignore all of them.
for (uint16_t i =0; i < answerCount; i++)
{
// Skip the name
uint8_t len;
do
{
iUdp.read(&len, sizeof(len));
if ((len & LABEL_COMPRESSION_MASK) == 0)
{
// It's just a normal label
if (len > 0)
{
// And it's got a length
// Don't need to actually read the data out for the string,
// just advance ptr to beyond it
while(len--)
{
iUdp.read(); // we don't care about the returned byte
}
}
}
else
{
// This is a pointer to a somewhere else in the message for the
// rest of the name. We don't care about the name, and RFC1035
// says that a name is either a sequence of labels ended with a
// 0 length octet or a pointer or a sequence of labels ending in
// a pointer. Either way, when we get here we're at the end of
// the name
// Skip over the pointer
iUdp.read(); // we don't care about the returned byte
// And set len so that we drop out of the name loop
len = 0;
}
} while (len != 0);
// Check the type and class
uint16_t answerType;
uint16_t answerClass;
iUdp.read((uint8_t*)&answerType, sizeof(answerType));
iUdp.read((uint8_t*)&answerClass, sizeof(answerClass));
// Ignore the Time-To-Live as we don't do any caching
for (int i =0; i < TTL_SIZE; i++)
{
iUdp.read(); // we don't care about the returned byte
}
// And read out the length of this answer
// Don't need header_flags anymore, so we can reuse it here
iUdp.read((uint8_t*)&header_flags, sizeof(header_flags));
if ( (htons(answerType) == TYPE_A) && (htons(answerClass) == CLASS_IN) )
{
if (htons(header_flags) != 4)
{
// It's a weird size
// Mark the entire packet as read
iUdp.flush();
return -9;//INVALID_RESPONSE;
}
iUdp.read(aAddress.raw_address(), 4);
return SUCCESS;
}
else
{
// This isn't an answer type we're after, move onto the next one
for (uint16_t i =0; i < htons(header_flags); i++)
{
iUdp.read(); // we don't care about the returned byte
}
}
}
// Mark the entire packet as read
iUdp.flush();
// If we get here then we haven't found an answer
return -10;//INVALID_RESPONSE;
}

41
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// Arduino DNS client for Enc28J60-based Ethernet shield
// (c) Copyright 2009-2010 MCQN Ltd.
// Released under Apache License, version 2.0
#ifndef DNSClient_h
#define DNSClient_h
#include <UIPUdp.h>
class DNSClient
{
public:
// ctor
void begin(const IPAddress& aDNSServer);
/** Convert a numeric IP address string into a four-byte IP address.
@param aIPAddrString IP address to convert
@param aResult IPAddress structure to store the returned IP address
@result 1 if aIPAddrString was successfully converted to an IP address,
else error code
*/
int inet_aton(const char *aIPAddrString, IPAddress& aResult);
/** Resolve the given hostname to an IP address.
@param aHostname Name to be resolved
@param aResult IPAddress structure to store the returned IP address
@result 1 if aIPAddrString was successfully converted to an IP address,
else error code
*/
int getHostByName(const char* aHostname, IPAddress& aResult);
protected:
uint16_t BuildRequest(const char* aName);
uint16_t ProcessResponse(uint16_t aTimeout, IPAddress& aAddress);
IPAddress iDNSServer;
uint16_t iRequestId;
UIPUDP iUdp;
};
#endif

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This is UIPEthernet version 1.09
An plugin-replacement of the stock Arduino Ethernet library for ENC28J60 shields and breakout boards. Full support for persistent (streaming) TCP-connections and UDP (Client and Server each), ARP, ICMP, DHCP and DNS.
Just include 'UIPEthernet.h' instead of 'Ethernet.h' and use all your code written for the stock Arduino Ethernet lib!
UIPEthernet is written as a wrapper around the mature uIP Stack by Adam Dunkels, which provides the low-level implementation for all supported protocols. To overcome the memory-constrains (a 'regular' uIP-application does all processing in RAM) the ENC28J60 internal memory is used for all stream buffers (in and out). Only 400-600 Bytes of Arduinos RAM are used (depending on the number of concurrently open connections). As of Flash-memory a ATmega368-based Arduino is the minimum requirenment.
This library is written by Norbert Truchsess <norbert.truchsess@t-online.de>
uIP was written by Adam Dunkels of the Networked Embedded Systems group at the Swedish Institute of Computer Science.
This library was inspired by the SerialIP implementation by Adam Nielsen <malvineous@shikadi.net>, actually I took this code as a starting point, but in the latest versions there are very few lines left.
Installation
------------
To install the libraries, you need to place them into your "libraries" folder. You can find it within your Arduino IDE distribution within the "hardware" folder.
C:\> cd [path to Arduino distribution]\libraries
C:\> git clone https://github.com/ntruchsess/arduino_uip UIPEthernet
Be sure to restart the IDE if it was running.
On a Mac, you will want to create a folder named "libraries" in in the "Documents" -> "Arduino" folder within your home directory. Clone the project there (and restart the IDE, if it was running during this process).
$ cd ~/Documents/Arduino/libraries
$ git clone https://github.com/ntruchsess/arduino_uip UIPEthernet
Or you download the zipped version of the library from https://github.com/ntruchsess/arduino_uip/releases, and copy the contained directory UIPEthernet to [path to Arduino distribution]\libraries\UIPEthernet.
If you are running Arduino-IDE 1.5.x use release-version 1.59 or checkout branch 'Arduino_1.5.x'
Additional information can be found on the Arduino website: http://www.arduino.cc/en/Hacking/Libraries
Documentation
-------------
For more information visit:
- UIPEthernet Repository on github:
https://github.com/ntruchsess/arduino_uip
- Arduino Ethernet library description
http://arduino.cc/en/Reference/Ethernet
(Arduino_uip uses the same API as that, just include "UIPEthernet.h", "UIPClient.h", "UIPServer.h" and "UIPUDP.h" instead of the stock "Ethernet.h", "EthernetClient.h", "EthernetServer.h " and "EthernetUDP.h")
- uIP API reference:
http://www.sics.se/~adam/uip/uip-1.0-refman/
- Arduino forums
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl
- uIP homepage:
http://www.sics.se/~adam/uip/index.php/Main_Page
Licenses
-------------
UIPEthernet.h
UIPEthernet.cpp
UIPServer.h
UIPServer.cpp
UIPClient.h
UIPClient.cpp
UIPUdp.h
UIPUdp.cpp
utility/mempool.h
utility/mempool.cpp
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
--------------
utility/enc28j60.h
Author : Pascal Stang (c)2005
Modified by Norbert Truchsess
Copyright: GPL V2
--------------
utility/Enc28J60Network.h
utility/Enc28J60Network.cpp
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
inspired and based on enc28j60.c file from the AVRlib library by Pascal Stang.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
--------------
utility/uip.c
utility/uip_arp.h
utility/uip_arp.c
utility/uip_arch.h
utility/uip.h
utility/uipopt.h
Copyright (c) 2001-2003, Adam Dunkels <adam@sics.se>, <adam@dunkels.com>.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the Institute nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
--------------
uip-conf.h
utility/uip-neighbor.h
utility/uip-neighbor.c
utility/uip_timer.h
utility/uip_timer.c
utility/uip_clock.h
Author Adam Dunkels Adam Dunkels <adam@sics.se>, <adam@dunkels.com>
Copyright (c) 2004,2006, Swedish Institute of Computer Science.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the Institute nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
--------------
Dhcp.h
Dhcp.cpp
DHCP Library v0.3 - April 25, 2009
Author: Jordan Terrell - blog.jordanterrell.com
- as included in Arduinos stock Ethernet-library, no special licence mentioned here
--------------
Dns.h
Dns.cpp
(c) Copyright 2009-2010 MCQN Ltd.
Released under Apache License, version 2.0
--------------
clock-arch.h
clock-arch.c
Copyright (c) 2010 Adam Nielsen <malvineous@shikadi.net>
All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

586
STM32F4/libraries/arduino_uip/UIPClient.cpp Normal file
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/*
UIPClient.cpp - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
extern "C"
{
#import "utility/uip-conf.h"
#import "utility/uip.h"
#import "utility/uip_arp.h"
#import "string.h"
}
#include "UIPEthernet.h"
#include "UIPClient.h"
#include "Dns.h"
#ifdef UIPETHERNET_DEBUG_CLIENT
#include "HardwareSerial.h"
#endif
#define Serial SerialUSB
#define UIP_TCP_PHYH_LEN UIP_LLH_LEN+UIP_IPTCPH_LEN
uip_userdata_t UIPClient::all_data[UIP_CONNS];
UIPClient::UIPClient() :
data(NULL)
{
}
UIPClient::UIPClient(uip_userdata_t* conn_data) :
data(conn_data)
{
}
int
UIPClient::connect(IPAddress ip, uint16_t port)
{
stop();
uip_ipaddr_t ipaddr;
uip_ip_addr(ipaddr, ip);
struct uip_conn* conn = uip_connect(&ipaddr, htons(port));
if (conn)
{
#if UIP_CONNECT_TIMEOUT > 0
int32_t timeout = millis() + 1000 * UIP_CONNECT_TIMEOUT;
#endif
while((conn->tcpstateflags & UIP_TS_MASK) != UIP_CLOSED)
{
UIPEthernetClass::tick();
if ((conn->tcpstateflags & UIP_TS_MASK) == UIP_ESTABLISHED)
{
data = (uip_userdata_t*) conn->appstate;
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.print(F("connected, state: "));
Serial.print(data->state);
Serial.print(F(", first packet in: "));
Serial.println(data->packets_in[0]);
#endif
return 1;
}
#if UIP_CONNECT_TIMEOUT > 0
if (((int32_t)(millis() - timeout)) > 0)
{
conn->tcpstateflags = UIP_CLOSED;
break;
}
#endif
}
}
return 0;
}
int
UIPClient::connect(const char *host, uint16_t port)
{
// Look up the host first
int ret = 0;
#if UIP_UDP
DNSClient dns;
IPAddress remote_addr;
dns.begin(UIPEthernetClass::_dnsServerAddress);
ret = dns.getHostByName(host, remote_addr);
if (ret == 1) {
return connect(remote_addr, port);
}
#endif
return ret;
}
void
UIPClient::stop()
{
if (data && data->state)
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("before stop(), with data"));
_dumpAllData();
#endif
_flushBlocks(&data->packets_in[0]);
if (data->state & UIP_CLIENT_REMOTECLOSED)
{
data->state = 0;
}
else
{
data->state |= UIP_CLIENT_CLOSE;
}
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("after stop()"));
_dumpAllData();
#endif
}
#ifdef UIPETHERNET_DEBUG_CLIENT
else
{
Serial.println(F("stop(), data: NULL"));
}
#endif
data = NULL;
UIPEthernetClass::tick();
}
uint8_t
UIPClient::connected()
{
return (data && (data->packets_in[0] != NOBLOCK || (data->state & UIP_CLIENT_CONNECTED))) ? 1 : 0;
}
bool
UIPClient::operator==(const UIPClient& rhs)
{
return data && rhs.data && (data == rhs.data);
}
UIPClient::operator bool()
{
UIPEthernetClass::tick();
return data && (!(data->state & UIP_CLIENT_REMOTECLOSED) || data->packets_in[0] != NOBLOCK);
}
size_t
UIPClient::write(uint8_t c)
{
return _write(data, &c, 1);
}
size_t
UIPClient::write(const uint8_t *buf, size_t size)
{
return _write(data, buf, size);
}
size_t
UIPClient::_write(uip_userdata_t* u, const uint8_t *buf, size_t size)
{
int remain = size;
uint16_t written;
#if UIP_ATTEMPTS_ON_WRITE > 0
uint16_t attempts = UIP_ATTEMPTS_ON_WRITE;
#endif
repeat:
UIPEthernetClass::tick();
if (u && !(u->state & (UIP_CLIENT_CLOSE | UIP_CLIENT_REMOTECLOSED)))
{
uint8_t p = _currentBlock(&u->packets_out[0]);
if (u->packets_out[p] == NOBLOCK)
{
newpacket:
u->packets_out[p] = Enc28J60Network::allocBlock(UIP_SOCKET_DATALEN);
if (u->packets_out[p] == NOBLOCK)
{
#if UIP_ATTEMPTS_ON_WRITE > 0
if ((--attempts)>0)
#endif
#if UIP_ATTEMPTS_ON_WRITE != 0
goto repeat;
#endif
goto ready;
}
u->out_pos = 0;
}
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.print(F("UIPClient.write: writePacket("));
Serial.print(u->packets_out[p]);
Serial.print(F(") pos: "));
Serial.print(u->out_pos);
Serial.print(F(", buf["));
Serial.print(size-remain);
Serial.print(F("-"));
Serial.print(remain);
Serial.print(F("]: '"));
Serial.write((uint8_t*)buf+size-remain,remain);
Serial.println(F("'"));
#endif
written = Enc28J60Network::writePacket(u->packets_out[p],u->out_pos,(uint8_t*)buf+size-remain,remain);
remain -= written;
u->out_pos+=written;
if (remain > 0)
{
if (p == UIP_SOCKET_NUMPACKETS-1)
{
#if UIP_ATTEMPTS_ON_WRITE > 0
if ((--attempts)>0)
#endif
#if UIP_ATTEMPTS_ON_WRITE != 0
goto repeat;
#endif
goto ready;
}
p++;
goto newpacket;
}
ready:
#if UIP_CLIENT_TIMER >= 0
u->timer = millis()+UIP_CLIENT_TIMER;
#endif
return size-remain;
}
return -1;
}
int
UIPClient::available()
{
if (*this)
return _available(data);
return 0;
}
int
UIPClient::_available(uip_userdata_t *u)
{
int len = 0;
for (uint8_t i = 0; i < UIP_SOCKET_NUMPACKETS; i++)
{
len += Enc28J60Network::blockSize(u->packets_in[i]);
}
return len;
}
int
UIPClient::read(uint8_t *buf, size_t size)
{
if (*this)
{
uint16_t remain = size;
if (data->packets_in[0] == NOBLOCK)
return 0;
uint16_t read;
do
{
read = Enc28J60Network::readPacket(data->packets_in[0],0,buf+size-remain,remain);
if (read == Enc28J60Network::blockSize(data->packets_in[0]))
{
remain -= read;
_eatBlock(&data->packets_in[0]);
if (uip_stopped(&uip_conns[data->state & UIP_CLIENT_SOCKETS]) && !(data->state & (UIP_CLIENT_CLOSE | UIP_CLIENT_REMOTECLOSED)))
data->state |= UIP_CLIENT_RESTART;
if (data->packets_in[0] == NOBLOCK)
{
if (data->state & UIP_CLIENT_REMOTECLOSED)
{
data->state = 0;
data = NULL;
}
return size-remain;
}
}
else
{
Enc28J60Network::resizeBlock(data->packets_in[0],read);
break;
}
}
while(remain > 0);
return size;
}
return -1;
}
int
UIPClient::read()
{
uint8_t c;
if (read(&c,1) < 0)
return -1;
return c;
}
int
UIPClient::peek()
{
if (*this)
{
if (data->packets_in[0] != NOBLOCK)
{
uint8_t c;
Enc28J60Network::readPacket(data->packets_in[0],0,&c,1);
return c;
}
}
return -1;
}
void
UIPClient::flush()
{
if (*this)
{
_flushBlocks(&data->packets_in[0]);
}
}
void
uipclient_appcall(void)
{
uint16_t send_len = 0;
uip_userdata_t *u = (uip_userdata_t*)uip_conn->appstate;
if (!u && uip_connected())
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("UIPClient uip_connected"));
UIPClient::_dumpAllData();
#endif
u = (uip_userdata_t*) UIPClient::_allocateData();
if (u)
{
uip_conn->appstate = u;
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.print(F("UIPClient allocated state: "));
Serial.println(u->state,BIN);
#endif
}
#ifdef UIPETHERNET_DEBUG_CLIENT
else
Serial.println(F("UIPClient allocation failed"));
#endif
}
if (u)
{
if (uip_newdata())
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.print(F("UIPClient uip_newdata, uip_len:"));
Serial.println(uip_len);
#endif
if (uip_len && !(u->state & (UIP_CLIENT_CLOSE | UIP_CLIENT_REMOTECLOSED)))
{
for (uint8_t i=0; i < UIP_SOCKET_NUMPACKETS; i++)
{
if (u->packets_in[i] == NOBLOCK)
{
u->packets_in[i] = Enc28J60Network::allocBlock(uip_len);
if (u->packets_in[i] != NOBLOCK)
{
Enc28J60Network::copyPacket(u->packets_in[i],0,UIPEthernetClass::in_packet,((uint8_t*)uip_appdata)-uip_buf,uip_len);
if (i == UIP_SOCKET_NUMPACKETS-1)
uip_stop();
goto finish_newdata;
}
}
}
UIPEthernetClass::packetstate &= ~UIPETHERNET_FREEPACKET;
uip_stop();
}
}
finish_newdata:
if (u->state & UIP_CLIENT_RESTART)
{
u->state &= ~UIP_CLIENT_RESTART;
uip_restart();
}
// If the connection has been closed, save received but unread data.
if (uip_closed() || uip_timedout())
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("UIPClient uip_closed"));
UIPClient::_dumpAllData();
#endif
// drop outgoing packets not sent yet:
UIPClient::_flushBlocks(&u->packets_out[0]);
if (u->packets_in[0] != NOBLOCK)
{
((uip_userdata_closed_t *)u)->lport = uip_conn->lport;
u->state |= UIP_CLIENT_REMOTECLOSED;
}
else
u->state = 0;
// disassociate appdata.
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("after UIPClient uip_closed"));
UIPClient::_dumpAllData();
#endif
uip_conn->appstate = NULL;
goto finish;
}
if (uip_acked())
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("UIPClient uip_acked"));
#endif
UIPClient::_eatBlock(&u->packets_out[0]);
}
if (uip_poll() || uip_rexmit())
{
#ifdef UIPETHERNET_DEBUG_CLIENT
//Serial.println(F("UIPClient uip_poll"));
#endif
if (u->packets_out[0] != NOBLOCK)
{
if (u->packets_out[1] == NOBLOCK)
{
send_len = u->out_pos;
if (send_len > 0)
{
Enc28J60Network::resizeBlock(u->packets_out[0],0,send_len);
}
}
else
send_len = Enc28J60Network::blockSize(u->packets_out[0]);
if (send_len > 0)
{
UIPEthernetClass::uip_hdrlen = ((uint8_t*)uip_appdata)-uip_buf;
UIPEthernetClass::uip_packet = Enc28J60Network::allocBlock(UIPEthernetClass::uip_hdrlen+send_len);
if (UIPEthernetClass::uip_packet != NOBLOCK)
{
Enc28J60Network::copyPacket(UIPEthernetClass::uip_packet,UIPEthernetClass::uip_hdrlen,u->packets_out[0],0,send_len);
UIPEthernetClass::packetstate |= UIPETHERNET_SENDPACKET;
}
}
goto finish;
}
}
// don't close connection unless all outgoing packets are sent
if (u->state & UIP_CLIENT_CLOSE)
{
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("UIPClient state UIP_CLIENT_CLOSE"));
UIPClient::_dumpAllData();
#endif
if (u->packets_out[0] == NOBLOCK)
{
u->state = 0;
uip_conn->appstate = NULL;
uip_close();
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("no blocks out -> free userdata"));
UIPClient::_dumpAllData();
#endif
}
else
{
uip_stop();
#ifdef UIPETHERNET_DEBUG_CLIENT
Serial.println(F("blocks outstanding transfer -> uip_stop()"));
#endif
}
}
}
finish:
uip_send(uip_appdata,send_len);
uip_len = send_len;
}
uip_userdata_t *
UIPClient::_allocateData()
{
for ( uint8_t sock = 0; sock < UIP_CONNS; sock++ )
{
uip_userdata_t* data = &UIPClient::all_data[sock];
if (!data->state)
{
data->state = sock | UIP_CLIENT_CONNECTED;
memset(&data->packets_in[0],0,sizeof(uip_userdata_t)-sizeof(data->state));
return data;
}
}
return NULL;
}
uint8_t
UIPClient::_currentBlock(memhandle* block)
{
for (uint8_t i = 1; i < UIP_SOCKET_NUMPACKETS; i++)
{
if (block[i] == NOBLOCK)
return i-1;
}
return UIP_SOCKET_NUMPACKETS-1;
}
void
UIPClient::_eatBlock(memhandle* block)
{
#ifdef UIPETHERNET_DEBUG_CLIENT
memhandle* start = block;
Serial.print(F("eatblock("));
Serial.print(*block);
Serial.print(F("): "));
for (uint8_t i = 0; i < UIP_SOCKET_NUMPACKETS; i++)
{
Serial.print(start[i]);
Serial.print(F(" "));
}
Serial.print(F("-> "));
#endif
Enc28J60Network::freeBlock(block[0]);
for (uint8_t i = 0; i < UIP_SOCKET_NUMPACKETS-1; i++)
{
block[i] = block[i+1];
}
block[UIP_SOCKET_NUMPACKETS-1] = NOBLOCK;
#ifdef UIPETHERNET_DEBUG_CLIENT
for (uint8_t i = 0; i < UIP_SOCKET_NUMPACKETS; i++)
{
Serial.print(start[i]);
Serial.print(F(" "));
}
Serial.println();
#endif
}
void
UIPClient::_flushBlocks(memhandle* block)
{
for (uint8_t i = 0; i < UIP_SOCKET_NUMPACKETS; i++)
{
Enc28J60Network::freeBlock(block[i]);
block[i] = NOBLOCK;
}
}
#ifdef UIPETHERNET_DEBUG_CLIENT
void
UIPClient::_dumpAllData() {
for (uint8_t i=0; i < UIP_CONNS; i++)
{
Serial.print(F("UIPClient::all_data["));
Serial.print(i);
Serial.print(F("], state:"));
Serial.println(all_data[i].state, BIN);
Serial.print(F("packets_in: "));
for (uint8_t j=0; j < UIP_SOCKET_NUMPACKETS; j++)
{
Serial.print(all_data[i].packets_in[j]);
Serial.print(F(" "));
}
Serial.println();
if (all_data[i].state & UIP_CLIENT_REMOTECLOSED)
{
Serial.print(F("state remote closed, local port: "));
Serial.println(htons(((uip_userdata_closed_t *)(&all_data[i]))->lport));
}
else
{
Serial.print(F("packets_out: "));
for (uint8_t j=0; j < UIP_SOCKET_NUMPACKETS; j++)
{
Serial.print(all_data[i].packets_out[j]);
Serial.print(F(" "));
}
Serial.println();
Serial.print(F("out_pos: "));
Serial.println(all_data[i].out_pos);
}
}
}
#endif

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STM32F4/libraries/arduino_uip/UIPClient.h Normal file
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/*
UIPClient.h - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UIPCLIENT_H
#define UIPCLIENT_H
#include "ethernet_comp.h"
#include "Print.h"
#import "Client.h"
#import "utility/mempool.h"
extern "C" {
#import "utility/uip.h"
}
#define UIP_SOCKET_DATALEN UIP_TCP_MSS
//#define UIP_SOCKET_NUMPACKETS UIP_RECEIVE_WINDOW/UIP_TCP_MSS+1
#ifndef UIP_SOCKET_NUMPACKETS
#define UIP_SOCKET_NUMPACKETS 5
#endif
#define UIP_CLIENT_CONNECTED 0x10
#define UIP_CLIENT_CLOSE 0x20
#define UIP_CLIENT_REMOTECLOSED 0x40
#define UIP_CLIENT_RESTART 0x80
#define UIP_CLIENT_STATEFLAGS (UIP_CLIENT_CONNECTED | UIP_CLIENT_CLOSE | UIP_CLIENT_REMOTECLOSED | UIP_CLIENT_RESTART)
#define UIP_CLIENT_SOCKETS ~UIP_CLIENT_STATEFLAGS
typedef uint8_t uip_socket_ptr;
typedef struct {
uint8_t state;
memhandle packets_in[UIP_SOCKET_NUMPACKETS];
uint16_t lport; /**< The local TCP port, in network byte order. */
} uip_userdata_closed_t;
typedef struct {
uint8_t state;
memhandle packets_in[UIP_SOCKET_NUMPACKETS];
memhandle packets_out[UIP_SOCKET_NUMPACKETS];
memaddress out_pos;
#if UIP_CLIENT_TIMER >= 0
unsigned long timer;
#endif
} uip_userdata_t;
class UIPClient : public Client {
public:
UIPClient();
int connect(IPAddress ip, uint16_t port);
int connect(const char *host, uint16_t port);
int read(uint8_t *buf, size_t size);
void stop();
uint8_t connected();
operator bool();
virtual bool operator==(const EthernetClient&);
virtual bool operator!=(const EthernetClient& rhs) { return !this->operator==(rhs); };
size_t write(uint8_t);
size_t write(const uint8_t *buf, size_t size);
int available();
int read();
int peek();
void flush();
using Print::write;
private:
UIPClient(struct uip_conn *_conn);
UIPClient(uip_userdata_t* conn_data);
uip_userdata_t* data;
static uip_userdata_t all_data[UIP_CONNS];
static uip_userdata_t* _allocateData();
static size_t _write(uip_userdata_t *,const uint8_t *buf, size_t size);
static int _available(uip_userdata_t *);
static uint8_t _currentBlock(memhandle* blocks);
static void _eatBlock(memhandle* blocks);
static void _flushBlocks(memhandle* blocks);
#ifdef UIPETHERNET_DEBUG_CLIENT
static void _dumpAllData();
#endif
friend class UIPEthernetClass;
friend class UIPServer;
friend void uipclient_appcall(void);
};
#endif

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/*
UIPEthernet.cpp - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Arduino.h>
#include "UIPEthernet.h"
#include "utility/Enc28J60Network.h"
#if(defined UIPETHERNET_DEBUG || defined UIPETHERNET_DEBUG_CHKSUM)
#include "HardwareSerial.h"
#endif
#define Serial SerialUSB
#include "UIPUdp.h"
extern "C"
{
#include "utility/uip-conf.h"
#include "utility/uip.h"
#include "utility/uip_arp.h"
#include "utility/uip_timer.h"
}
#define ETH_HDR ((struct uip_eth_hdr *)&uip_buf[0])
memhandle UIPEthernetClass::in_packet(NOBLOCK);
memhandle UIPEthernetClass::uip_packet(NOBLOCK);
uint8_t UIPEthernetClass::uip_hdrlen(0);
uint8_t UIPEthernetClass::packetstate(0);
IPAddress UIPEthernetClass::_dnsServerAddress;
DhcpClass* UIPEthernetClass::_dhcp(NULL);
unsigned long UIPEthernetClass::periodic_timer;
// Because uIP isn't encapsulated within a class we have to use global
// variables, so we can only have one TCP/IP stack per program.
UIPEthernetClass::UIPEthernetClass()
{
}
#if UIP_UDP
int
UIPEthernetClass::begin(const uint8_t* mac)
{
static DhcpClass s_dhcp;
_dhcp = &s_dhcp;
// Initialise the basic info
init(mac);
// Now try to get our config info from a DHCP server
int ret = _dhcp->beginWithDHCP((uint8_t*)mac);
if(ret == 1)
{
// We've successfully found a DHCP server and got our configuration info, so set things
// accordingly
configure(_dhcp->getLocalIp(),_dhcp->getDnsServerIp(),_dhcp->getGatewayIp(),_dhcp->getSubnetMask());
}
return ret;
}
#endif
void
UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip)
{
IPAddress dns = ip;
dns[3] = 1;
begin(mac, ip, dns);
}
void
UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns)
{
IPAddress gateway = ip;
gateway[3] = 1;
begin(mac, ip, dns, gateway);
}
void
UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway)
{
IPAddress subnet(255, 255, 255, 0);
begin(mac, ip, dns, gateway, subnet);
}
void
UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet)
{
init(mac);
configure(ip,dns,gateway,subnet);
}
int UIPEthernetClass::maintain(){
tick();
int rc = DHCP_CHECK_NONE;
#if UIP_UDP
if(_dhcp != NULL){
//we have a pointer to dhcp, use it
rc = _dhcp->checkLease();
switch ( rc ){
case DHCP_CHECK_NONE:
//nothing done
break;
case DHCP_CHECK_RENEW_OK:
case DHCP_CHECK_REBIND_OK:
//we might have got a new IP.
configure(_dhcp->getLocalIp(),_dhcp->getDnsServerIp(),_dhcp->getGatewayIp(),_dhcp->getSubnetMask());
break;
default:
//this is actually a error, it will retry though
break;
}
}
return rc;
#endif
}
IPAddress UIPEthernetClass::localIP()
{
IPAddress ret;
uip_ipaddr_t a;
uip_gethostaddr(a);
return ip_addr_uip(a);
}
IPAddress UIPEthernetClass::subnetMask()
{
IPAddress ret;
uip_ipaddr_t a;
uip_getnetmask(a);
return ip_addr_uip(a);
}
IPAddress UIPEthernetClass::gatewayIP()
{
IPAddress ret;
uip_ipaddr_t a;
uip_getdraddr(a);
return ip_addr_uip(a);
}
IPAddress UIPEthernetClass::dnsServerIP()
{
return _dnsServerAddress;
}
void
UIPEthernetClass::tick()
{
if (in_packet == NOBLOCK)
{
in_packet = Enc28J60Network::receivePacket();
#ifdef UIPETHERNET_DEBUG
if (in_packet != NOBLOCK)
{
Serial.print(F("--------------\r\nreceivePacket: "));
Serial.println(in_packet);
}
#endif
}
if (in_packet != NOBLOCK)
{
packetstate = UIPETHERNET_FREEPACKET;
uip_len = Enc28J60Network::blockSize(in_packet);
if (uip_len > 0)
{
Enc28J60Network::readPacket(in_packet,0,(uint8_t*)uip_buf,UIP_BUFSIZE);
if (ETH_HDR ->type == HTONS(UIP_ETHTYPE_IP))
{
uip_packet = in_packet; //required for upper_layer_checksum of in_packet!
#ifdef UIPETHERNET_DEBUG
Serial.print(F("readPacket type IP, uip_len: "));
Serial.println(uip_len);
#endif
uip_arp_ipin();
uip_input();
if (uip_len > 0)
{
uip_arp_out();
network_send();
}
}
else if (ETH_HDR ->type == HTONS(UIP_ETHTYPE_ARP))
{
#ifdef UIPETHERNET_DEBUG
Serial.print(F("readPacket type ARP, uip_len: "));
Serial.println(uip_len);
#endif
uip_arp_arpin();
if (uip_len > 0)
{
network_send();
}
}
}
if (in_packet != NOBLOCK && (packetstate & UIPETHERNET_FREEPACKET))
{
#ifdef UIPETHERNET_DEBUG
Serial.print(F("freeing packet: "));
Serial.println(in_packet);
#endif
Enc28J60Network::freePacket();
in_packet = NOBLOCK;
}
}
unsigned long now = millis();
#if UIP_CLIENT_TIMER >= 0
boolean periodic = (long)( now - periodic_timer ) >= 0;
for (int i = 0; i < UIP_CONNS; i++)
{
#else
if ((long)( now - periodic_timer ) >= 0)
{
periodic_timer = now + UIP_PERIODIC_TIMER;
for (int i = 0; i < UIP_CONNS; i++)
{
#endif
uip_conn = &uip_conns[i];
#if UIP_CLIENT_TIMER >= 0
if (periodic)
{
#endif
uip_process(UIP_TIMER);
#if UIP_CLIENT_TIMER >= 0
}
else
{
if ((long)( now - ((uip_userdata_t*)uip_conn->appstate)->timer) >= 0)
uip_process(UIP_POLL_REQUEST);
else
continue;
}
#endif
// If the above function invocation resulted in data that
// should be sent out on the Enc28J60Network, the global variable
// uip_len is set to a value > 0.
if (uip_len > 0)
{
uip_arp_out();
network_send();
}
}
#if UIP_CLIENT_TIMER >= 0
if (periodic)
{
periodic_timer = now + UIP_PERIODIC_TIMER;
#endif
#if UIP_UDP
for (int i = 0; i < UIP_UDP_CONNS; i++)
{
uip_udp_periodic(i);
// If the above function invocation resulted in data that
// should be sent out on the Enc28J60Network, the global variable
// uip_len is set to a value > 0. */
if (uip_len > 0)
{
UIPUDP::_send((uip_udp_userdata_t *)(uip_udp_conns[i].appstate));
}
}
#endif /* UIP_UDP */
}
}
boolean UIPEthernetClass::network_send()
{
if (packetstate & UIPETHERNET_SENDPACKET)
{
#ifdef UIPETHERNET_DEBUG
Serial.print(F("Enc28J60Network_send uip_packet: "));
Serial.print(uip_packet);
Serial.print(F(", hdrlen: "));
Serial.println(uip_hdrlen);
#endif
Enc28J60Network::writePacket(uip_packet,0,uip_buf,uip_hdrlen);
packetstate &= ~ UIPETHERNET_SENDPACKET;
goto sendandfree;
}
uip_packet = Enc28J60Network::allocBlock(uip_len);
if (uip_packet != NOBLOCK)
{
#ifdef UIPETHERNET_DEBUG
Serial.print(F("Enc28J60Network_send uip_buf (uip_len): "));
Serial.print(uip_len);
Serial.print(F(", packet: "));
Serial.println(uip_packet);
#endif
Enc28J60Network::writePacket(uip_packet,0,uip_buf,uip_len);
goto sendandfree;
}
return false;
sendandfree:
Enc28J60Network::sendPacket(uip_packet);
Enc28J60Network::freeBlock(uip_packet);
uip_packet = NOBLOCK;
return true;
}
void UIPEthernetClass::init(const uint8_t* mac) {
periodic_timer = millis() + UIP_PERIODIC_TIMER;
Enc28J60Network::init((uint8_t*)mac);
uip_seteth_addr(mac);
uip_init();
uip_arp_init();
}
void UIPEthernetClass::configure(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) {
uip_ipaddr_t ipaddr;
uip_ip_addr(ipaddr, ip);
uip_sethostaddr(ipaddr);
uip_ip_addr(ipaddr, gateway);
uip_setdraddr(ipaddr);
uip_ip_addr(ipaddr, subnet);
uip_setnetmask(ipaddr);
_dnsServerAddress = dns;
}
UIPEthernetClass UIPEthernet;
/*---------------------------------------------------------------------------*/
uint16_t
UIPEthernetClass::chksum(uint16_t sum, const uint8_t *data, uint16_t len)
{
uint16_t t;
const uint8_t *dataptr;
const uint8_t *last_byte;
dataptr = data;
last_byte = data + len - 1;
while(dataptr < last_byte) { /* At least two more bytes */
t = (dataptr[0] << 8) + dataptr[1];
sum += t;
if(sum < t) {
sum++; /* carry */
}
dataptr += 2;
}
if(dataptr == last_byte) {
t = (dataptr[0] << 8) + 0;
sum += t;
if(sum < t) {
sum++; /* carry */
}
}
/* Return sum in host byte order. */
return sum;
}
/*---------------------------------------------------------------------------*/
uint16_t
UIPEthernetClass::ipchksum(void)
{
uint16_t sum;
sum = chksum(0, &uip_buf[UIP_LLH_LEN], UIP_IPH_LEN);
return (sum == 0) ? 0xffff : htons(sum);
}
/*---------------------------------------------------------------------------*/
uint16_t
#if UIP_UDP
UIPEthernetClass::upper_layer_chksum(uint8_t proto)
#else
uip_tcpchksum(void)
#endif
{
uint16_t upper_layer_len;
uint16_t sum;
#if UIP_CONF_IPV6
upper_layer_len = (((u16_t)(BUF->len[0]) << 8) + BUF->len[1]);
#else /* UIP_CONF_IPV6 */
upper_layer_len = (((u16_t)(BUF->len[0]) << 8) + BUF->len[1]) - UIP_IPH_LEN;
#endif /* UIP_CONF_IPV6 */
/* First sum pseudoheader. */
/* IP protocol and length fields. This addition cannot carry. */
#if UIP_UDP
sum = upper_layer_len + proto;
#else
sum = upper_layer_len + UIP_PROTO_TCP;
#endif
/* Sum IP source and destination addresses. */
sum = UIPEthernetClass::chksum(sum, (u8_t *)&BUF->srcipaddr[0], 2 * sizeof(uip_ipaddr_t));
uint8_t upper_layer_memlen;
#if UIP_UDP
switch(proto)
{
// case UIP_PROTO_ICMP:
// case UIP_PROTO_ICMP6:
// upper_layer_memlen = upper_layer_len;
// break;
case UIP_PROTO_UDP:
upper_layer_memlen = UIP_UDPH_LEN;
break;
default:
// case UIP_PROTO_TCP:
#endif
upper_layer_memlen = (BUF->tcpoffset >> 4) << 2;
#if UIP_UDP
break;
}
#endif
sum = UIPEthernetClass::chksum(sum, &uip_buf[UIP_IPH_LEN + UIP_LLH_LEN], upper_layer_memlen);
#ifdef UIPETHERNET_DEBUG_CHKSUM
Serial.print(F("chksum uip_buf["));
Serial.print(UIP_IPH_LEN + UIP_LLH_LEN);
Serial.print(F("-"));
Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen);
Serial.print(F("]: "));
Serial.println(htons(sum),HEX);
#endif
if (upper_layer_memlen < upper_layer_len)
{
sum = Enc28J60Network::chksum(
sum,
UIPEthernetClass::uip_packet,
UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen,
upper_layer_len - upper_layer_memlen
);
#ifdef UIPETHERNET_DEBUG_CHKSUM
Serial.print(F("chksum uip_packet("));
Serial.print(uip_packet);
Serial.print(F(")["));
Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen);
Serial.print(F("-"));
Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_len);
Serial.print(F("]: "));
Serial.println(htons(sum),HEX);
#endif
}
return (sum == 0) ? 0xffff : htons(sum);
}
uint16_t
uip_ipchksum(void)
{
return UIPEthernet.ipchksum();
}
#if UIP_UDP
uint16_t
uip_tcpchksum(void)
{
uint16_t sum = UIPEthernet.upper_layer_chksum(UIP_PROTO_TCP);
return sum;
}
uint16_t
uip_udpchksum(void)
{
uint16_t sum = UIPEthernet.upper_layer_chksum(UIP_PROTO_UDP);
return sum;
}
#endif

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/*
UIPEthernet.h - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UIPETHERNET_H
#define UIPETHERNET_H
#define UIP_UDP 1
//#define UIPETHERNET_DEBUG
//#define UIPETHERNET_DEBUG_CHKSUM
//#define UIPETHERNET_DEBUG_UDP
//#define UIPETHERNET_DEBUG_CLIENT
#include "ethernet_comp.h"
#include <Arduino.h>
#include "Dhcp.h"
#include "IPAddress.h"
#include "utility/Enc28J60Network.h"
#include "UIPClient.h"
#include "UIPServer.h"
#include "UIPUdp.h"
extern "C"
{
#include "utility/uip_timer.h"
#include "utility/uip.h"
}
#define UIPETHERNET_FREEPACKET 1
#define UIPETHERNET_SENDPACKET 2
#define UIPETHERNET_BUFFERREAD 4
#define uip_ip_addr(addr, ip) do { \
((u16_t *)(addr))[0] = HTONS(((ip[0]) << 8) | (ip[1])); \
((u16_t *)(addr))[1] = HTONS(((ip[2]) << 8) | (ip[3])); \
} while(0)
#define ip_addr_uip(a) IPAddress(a[0] & 0xFF, a[0] >> 8 , a[1] & 0xFF, a[1] >> 8) //TODO this is not IPV6 capable
#define uip_seteth_addr(eaddr) do {uip_ethaddr.addr[0] = eaddr[0]; \
uip_ethaddr.addr[1] = eaddr[1];\
uip_ethaddr.addr[2] = eaddr[2];\
uip_ethaddr.addr[3] = eaddr[3];\
uip_ethaddr.addr[4] = eaddr[4];\
uip_ethaddr.addr[5] = eaddr[5];} while(0)
#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
class UIPEthernetClass
{
public:
UIPEthernetClass();
int begin(const uint8_t* mac);
void begin(const uint8_t* mac, IPAddress ip);
void begin(const uint8_t* mac, IPAddress ip, IPAddress dns);
void begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway);
void begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet);
// maintain() must be called at regular intervals to process the incoming serial
// data and issue IP events to the sketch. It does not return until all IP
// events have been processed. Renews dhcp-lease if required.
int maintain();
IPAddress localIP();
IPAddress subnetMask();
IPAddress gatewayIP();
IPAddress dnsServerIP();
private:
static memhandle in_packet;
static memhandle uip_packet;
static uint8_t uip_hdrlen;
static uint8_t packetstate;
static IPAddress _dnsServerAddress;
static DhcpClass* _dhcp;
static unsigned long periodic_timer;
static void init(const uint8_t* mac);
static void configure(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet);
static void tick();
static boolean network_send();
friend class UIPServer;
friend class UIPClient;
friend class UIPUDP;
static uint16_t chksum(uint16_t sum, const uint8_t* data, uint16_t len);
static uint16_t ipchksum(void);
#if UIP_UDP
static uint16_t upper_layer_chksum(uint8_t proto);
#endif
friend uint16_t uip_ipchksum(void);
friend uint16_t uip_tcpchksum(void);
friend uint16_t uip_udpchksum(void);
friend void uipclient_appcall(void);
friend void uipudp_appcall(void);
#if UIP_CONF_IPV6
uint16_t uip_icmp6chksum(void);
#endif /* UIP_CONF_IPV6 */
};
extern UIPEthernetClass UIPEthernet;
#endif

63
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/*
UIPServer.cpp - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UIPEthernet.h"
#include "UIPServer.h"
extern "C" {
#include "utility/uip-conf.h"
}
UIPServer::UIPServer(uint16_t port) : _port(htons(port))
{
}
UIPClient UIPServer::available()
{
UIPEthernetClass::tick();
for ( uip_userdata_t* data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++ )
{
if (data->packets_in[0] != NOBLOCK
&& (((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport ==_port)
|| ((data->state & UIP_CLIENT_REMOTECLOSED) && ((uip_userdata_closed_t *)data)->lport == _port)))
return UIPClient(data);
}
return UIPClient();
}
void UIPServer::begin()
{
uip_listen(_port);
UIPEthernetClass::tick();
}
size_t UIPServer::write(uint8_t c)
{
return write(&c,1);
}
size_t UIPServer::write(const uint8_t *buf, size_t size)
{
size_t ret = 0;
for ( uip_userdata_t* data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++ )
{
if ((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport ==_port)
ret += UIPClient::_write(data,buf,size);
}
return ret;
}

40
STM32F4/libraries/arduino_uip/UIPServer.h Normal file
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/*
UIPServer.h - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UIPSERVER_H
#define UIPSERVER_H
#include "ethernet_comp.h"
#import "Server.h"
#import "UIPClient.h"
class UIPServer : public Server {
public:
UIPServer(uint16_t);
UIPClient available();
void begin();
size_t write(uint8_t);
size_t write(const uint8_t *buf, size_t size);
using Print::write;
private:
uint16_t _port;
};
#endif

385
STM32F4/libraries/arduino_uip/UIPUdp.cpp Normal file
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/*
UIPUdp.cpp - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UIPEthernet.h"
#include "UIPUdp.h"
#include "Dns.h"
#ifdef UIPETHERNET_DEBUG_UDP
#include "HardwareSerial.h"
#endif
#define Serial SerialUSB
extern "C" {
#include "utility/uip-conf.h"
#include "utility/uip.h"
#include "utility/uip_arp.h"
}
#if UIP_UDP
#define UIP_ARPHDRSIZE 42
#define UDPBUF ((struct uip_udpip_hdr *)&uip_buf[UIP_LLH_LEN])
// Constructor
UIPUDP::UIPUDP() :
_uip_udp_conn(NULL)
{
memset(&appdata,0,sizeof(appdata));
}
// initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
uint8_t
UIPUDP::begin(uint16_t port)
{
if (!_uip_udp_conn)
{
_uip_udp_conn = uip_udp_new(NULL, 0);
}
if (_uip_udp_conn)
{
uip_udp_bind(_uip_udp_conn,htons(port));
_uip_udp_conn->appstate = &appdata;
return 1;
}
return 0;
}
// Finish with the UDP socket
void
UIPUDP::stop()
{
if (_uip_udp_conn)
{
uip_udp_remove(_uip_udp_conn);
_uip_udp_conn->appstate = NULL;
_uip_udp_conn=NULL;
Enc28J60Network::freeBlock(appdata.packet_in);
Enc28J60Network::freeBlock(appdata.packet_next);
Enc28J60Network::freeBlock(appdata.packet_out);
memset(&appdata,0,sizeof(appdata));
}
}
// Sending UDP packets
// Start building up a packet to send to the remote host specific in ip and port
// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
int
UIPUDP::beginPacket(IPAddress ip, uint16_t port)
{
UIPEthernetClass::tick();
if (ip && port)
{
uip_ipaddr_t ripaddr;
uip_ip_addr(&ripaddr, ip);
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("udp beginPacket, "));
#endif
if (_uip_udp_conn)
{
_uip_udp_conn->rport = htons(port);
uip_ipaddr_copy(_uip_udp_conn->ripaddr, &ripaddr);
}
else
{
_uip_udp_conn = uip_udp_new(&ripaddr,htons(port));
if (_uip_udp_conn)
{
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("new connection, "));
#endif
_uip_udp_conn->appstate = &appdata;
}
else
{
#ifdef UIPETHERNET_DEBUG_UDP
Serial.println(F("failed to allocate new connection"));
#endif
return 0;
}
}
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("rip: "));
Serial.print(ip);
Serial.print(F(", port: "));
Serial.println(port);
#endif
}
if (_uip_udp_conn)
{
if (appdata.packet_out == NOBLOCK)
{
appdata.packet_out = Enc28J60Network::allocBlock(UIP_UDP_MAXPACKETSIZE);
appdata.out_pos = UIP_UDP_PHYH_LEN;
if (appdata.packet_out != NOBLOCK)
return 1;
#ifdef UIPETHERNET_DEBUG_UDP
else
Serial.println(F("failed to allocate memory for packet"));
#endif
}
#ifdef UIPETHERNET_DEBUG_UDP
else
Serial.println(F("previous packet on that connection not sent yet"));
#endif
}
return 0;
}
// Start building up a packet to send to the remote host specific in host and port
// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
int
UIPUDP::beginPacket(const char *host, uint16_t port)
{
// Look up the host first
int ret = 0;
DNSClient dns;
IPAddress remote_addr;
dns.begin(UIPEthernet.dnsServerIP());
ret = dns.getHostByName(host, remote_addr);
if (ret == 1) {
return beginPacket(remote_addr, port);
} else {
return ret;
}
}
// Finish off this packet and send it
// Returns 1 if the packet was sent successfully, 0 if there was an error
int
UIPUDP::endPacket()
{
if (_uip_udp_conn && appdata.packet_out != NOBLOCK)
{
appdata.send = true;
Enc28J60Network::resizeBlock(appdata.packet_out,0,appdata.out_pos);
uip_udp_periodic_conn(_uip_udp_conn);
if (uip_len > 0)
{
_send(&appdata);
return 1;
}
}
return 0;
}
// Write a single byte into the packet
size_t
UIPUDP::write(uint8_t c)
{
return write(&c,1);
}
// Write size bytes from buffer into the packet
size_t
UIPUDP::write(const uint8_t *buffer, size_t size)
{
if (appdata.packet_out != NOBLOCK)
{
size_t ret = Enc28J60Network::writePacket(appdata.packet_out,appdata.out_pos,(uint8_t*)buffer,size);
appdata.out_pos += ret;
return ret;
}
return 0;
}
// Start processing the next available incoming packet
// Returns the size of the packet in bytes, or 0 if no packets are available
int
UIPUDP::parsePacket()
{
UIPEthernetClass::tick();
#ifdef UIPETHERNET_DEBUG_UDP
if (appdata.packet_in != NOBLOCK)
{
Serial.print(F("udp parsePacket freeing previous packet: "));
Serial.println(appdata.packet_in);
}
#endif
Enc28J60Network::freeBlock(appdata.packet_in);
appdata.packet_in = appdata.packet_next;
appdata.packet_next = NOBLOCK;
#ifdef UIPETHERNET_DEBUG_UDP
if (appdata.packet_in != NOBLOCK)
{
Serial.print(F("udp parsePacket received packet: "));
Serial.print(appdata.packet_in);
}
#endif
int size = Enc28J60Network::blockSize(appdata.packet_in);
#ifdef UIPETHERNET_DEBUG_UDP
if (appdata.packet_in != NOBLOCK)
{
Serial.print(F(", size: "));
Serial.println(size);
}
#endif
return size;
}
// Number of bytes remaining in the current packet
int
UIPUDP::available()
{
UIPEthernetClass::tick();
return Enc28J60Network::blockSize(appdata.packet_in);
}
// Read a single byte from the current packet
int
UIPUDP::read()
{
unsigned char c;
if (read(&c,1) > 0)
{
return c;
}
return -1;
}
// Read up to len bytes from the current packet and place them into buffer
// Returns the number of bytes read, or 0 if none are available
int
UIPUDP::read(unsigned char* buffer, size_t len)
{
UIPEthernetClass::tick();
if (appdata.packet_in != NOBLOCK)
{
memaddress read = Enc28J60Network::readPacket(appdata.packet_in,0,buffer,len);
if (read == Enc28J60Network::blockSize(appdata.packet_in))
{
Enc28J60Network::freeBlock(appdata.packet_in);
appdata.packet_in = NOBLOCK;
}
else
Enc28J60Network::resizeBlock(appdata.packet_in,read);
return read;
}
return 0;
}
// Return the next byte from the current packet without moving on to the next byte
int
UIPUDP::peek()
{
UIPEthernetClass::tick();
if (appdata.packet_in != NOBLOCK)
{
unsigned char c;
if (Enc28J60Network::readPacket(appdata.packet_in,0,&c,1) == 1)
return c;
}
return -1;
}
// Finish reading the current packet
void
UIPUDP::flush()
{
UIPEthernetClass::tick();
Enc28J60Network::freeBlock(appdata.packet_in);
appdata.packet_in = NOBLOCK;
}
// Return the IP address of the host who sent the current incoming packet
IPAddress
UIPUDP::remoteIP()
{
return _uip_udp_conn ? ip_addr_uip(_uip_udp_conn->ripaddr) : IPAddress();
}
// Return the port of the host who sent the current incoming packet
uint16_t
UIPUDP::remotePort()
{
return _uip_udp_conn ? ntohs(_uip_udp_conn->rport) : 0;
}
// uIP callback function
void
uipudp_appcall(void) {
if (uip_udp_userdata_t *data = (uip_udp_userdata_t *)(uip_udp_conn->appstate))
{
if (uip_newdata())
{
if (data->packet_next == NOBLOCK)
{
uip_udp_conn->rport = UDPBUF->srcport;
uip_ipaddr_copy(uip_udp_conn->ripaddr,UDPBUF->srcipaddr);
data->packet_next = Enc28J60Network::allocBlock(ntohs(UDPBUF->udplen)-UIP_UDPH_LEN);
//if we are unable to allocate memory the packet is dropped. udp doesn't guarantee packet delivery
if (data->packet_next != NOBLOCK)
{
//discard Linklevel and IP and udp-header and any trailing bytes:
Enc28J60Network::copyPacket(data->packet_next,0,UIPEthernetClass::in_packet,UIP_UDP_PHYH_LEN,Enc28J60Network::blockSize(data->packet_next));
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("udp, uip_newdata received packet: "));
Serial.print(data->packet_next);
Serial.print(F(", size: "));
Serial.println(Enc28J60Network::blockSize(data->packet_next));
#endif
}
}
}
if (uip_poll() && data->send)
{
//set uip_slen (uip private) by calling uip_udp_send
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("udp, uip_poll preparing packet to send: "));
Serial.print(data->packet_out);
Serial.print(F(", size: "));
Serial.println(Enc28J60Network::blockSize(data->packet_out));
#endif
UIPEthernetClass::uip_packet = data->packet_out;
UIPEthernetClass::uip_hdrlen = UIP_UDP_PHYH_LEN;
uip_udp_send(data->out_pos - (UIP_UDP_PHYH_LEN));
}
}
}
void
UIPUDP::_send(uip_udp_userdata_t *data) {
uip_arp_out(); //add arp
if (uip_len == UIP_ARPHDRSIZE)
{
UIPEthernetClass::uip_packet = NOBLOCK;
UIPEthernetClass::packetstate &= ~UIPETHERNET_SENDPACKET;
#ifdef UIPETHERNET_DEBUG_UDP
Serial.println(F("udp, uip_poll results in ARP-packet"));
#endif
}
else
//arp found ethaddr for ip (otherwise packet is replaced by arp-request)
{
data->send = false;
data->packet_out = NOBLOCK;
UIPEthernetClass::packetstate |= UIPETHERNET_SENDPACKET;
#ifdef UIPETHERNET_DEBUG_UDP
Serial.print(F("udp, uip_packet to send: "));
Serial.println(UIPEthernetClass::uip_packet);
#endif
}
UIPEthernetClass::network_send();
}
#endif

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/*
UIPUdp.h - Arduino implementation of a uIP wrapper class.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UIPUDP_H
#define UIPUDP_H
#include "ethernet_comp.h"
#include "Arduino.h"
#include <Udp.h>
#include "utility/mempool.h"
extern "C" {
#include "utility/uip.h"
}
#define UIP_UDP_MAXDATALEN 1500
#define UIP_UDP_PHYH_LEN UIP_LLH_LEN+UIP_IPUDPH_LEN
#define UIP_UDP_MAXPACKETSIZE UIP_UDP_MAXDATALEN+UIP_UDP_PHYH_LEN
typedef struct {
memaddress out_pos;
memhandle packet_next;
memhandle packet_in;
memhandle packet_out;
boolean send;
} uip_udp_userdata_t;
class UIPUDP : public UDP
{
private:
struct uip_udp_conn *_uip_udp_conn;
uip_udp_userdata_t appdata;
public:
UIPUDP(); // Constructor
uint8_t
begin(uint16_t);// initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
void
stop(); // Finish with the UDP socket
// Sending UDP packets
// Start building up a packet to send to the remote host specific in ip and port
// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
int
beginPacket(IPAddress ip, uint16_t port);
// Start building up a packet to send to the remote host specific in host and port
// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
int
beginPacket(const char *host, uint16_t port);
// Finish off this packet and send it
// Returns 1 if the packet was sent successfully, 0 if there was an error
int
endPacket();
// Write a single byte into the packet
size_t
write(uint8_t);
// Write size bytes from buffer into the packet
size_t
write(const uint8_t *buffer, size_t size);
using Print::write;
// Start processing the next available incoming packet
// Returns the size of the packet in bytes, or 0 if no packets are available
int
parsePacket();
// Number of bytes remaining in the current packet
int
available();
// Read a single byte from the current packet
int
read();
// Read up to len bytes from the current packet and place them into buffer
// Returns the number of bytes read, or 0 if none are available
int
read(unsigned char* buffer, size_t len);
// Read up to len characters from the current packet and place them into buffer
// Returns the number of characters read, or 0 if none are available
int
read(char* buffer, size_t len)
{
return read((unsigned char*) buffer, len);
}
;
// Return the next byte from the current packet without moving on to the next byte
int
peek();
void
flush(); // Finish reading the current packet
// Return the IP address of the host who sent the current incoming packet
IPAddress
remoteIP();
// Return the port of the host who sent the current incoming packet
uint16_t
remotePort();
private:
friend void uipudp_appcall(void);
friend class UIPEthernetClass;
static void _send(uip_udp_userdata_t *data);
};
#endif

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STM32F4/libraries/arduino_uip/ethernet_comp.h Normal file
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#ifndef ETHERNET_COMP_H
#define ETHERNET_COMP_H
#define Ethernet UIPEthernet
#define EthernetClient UIPClient
#define EthernetServer UIPServer
#define EthernetUDP UIPUDP
#endif

104
STM32F4/libraries/arduino_uip/examples/AdvancedChatServer/AdvancedChatServer.ino Normal file
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/*
Advanced Chat Server
A simple server that distributes any incoming messages to all
connected clients but the client the message comes from.
To use telnet to your device's IP address and type.
You can see the client's input in the serial monitor as well.
Using an Arduino Wiznet Ethernet shield.
Circuit:
* Ethernet shield attached to pins 10, 11, 12, 13
* Analog inputs attached to pins A0 through A5 (optional)
created 18 Dec 2009
by David A. Mellis
modified 9 Apr 2012
by Tom Igoe
redesigned to make use of operator== 25 Nov 2013
by Norbert Truchsess
*/
#include <UIPEthernet.h>
// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network.
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress ip(192,168,0,6);
// telnet defaults to port 23
EthernetServer server(23);
EthernetClient clients[4];
void setup() {
// initialize the ethernet device
Ethernet.begin(mac, ip);
// start listening for clients
server.begin();
// Open serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
Serial.print("Chat server address:");
Serial.println(Ethernet.localIP());
}
void loop() {
// wait for a new client:
EthernetClient client = server.available();
if (client) {
boolean newClient = true;
for (byte i=0;i<4;i++) {
//check whether this client refers to the same socket as one of the existing instances:
if (clients[i]==client) {
newClient = false;
break;
}
}
if (newClient) {
//check which of the existing clients can be overridden:
for (byte i=0;i<4;i++) {
if (!clients[i] && clients[i]!=client) {
clients[i] = client;
// clead out the input buffer:
client.flush();
// clead out the input buffer:
client.flush();
Serial.println("We have a new client");
client.println("Hello, client!");
client.print("my IP: ");
client.println(Ethernet.localIP());
break;
}
}
}
if (client.available() > 0) {
// read the bytes incoming from the client:
char thisChar = client.read();
// echo the bytes back to all other connected clients:
for (byte i=0;i<4;i++) {
if (clients[i] && clients[i]!=client) {
clients[i].write(thisChar);
}
}
// echo the bytes to the server as well:
Serial.write(thisChar);
}
}
for (byte i=0;i<4;i++) {
if (!(clients[i].connected())) {
// client.stop() invalidates the internal socket-descriptor, so next use of == will allways return false;
clients[i].stop();
}
}
}

58
STM32F4/libraries/arduino_uip/examples/EchoServer/EchoServer.ino Normal file
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/*
* UIPEthernet EchoServer example.
*
* UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
* Ethernet-shield.
*
* UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
*
* -----------------
*
* This Hello World example sets up a server at 192.168.1.6 on port 1000.
* Telnet here to access the service. The uIP stack will also respond to
* pings to test if you have successfully established a TCP connection to
* the Arduino.
*
* This example was based upon uIP hello-world by Adam Dunkels <adam@sics.se>
* Ported to the Arduino IDE by Adam Nielsen <malvineous@shikadi.net>
* Adaption to Enc28J60 by Norbert Truchsess <norbert.truchsess@t-online.de>
*/
#include <UIPEthernet.h>
// The connection_data struct needs to be defined in an external file.
#include <UIPServer.h>
#include <UIPClient.h>
EthernetServer server = EthernetServer(1000);
void setup()
{
Serial.begin(9600);
uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};
IPAddress myIP(192,168,0,6);
Ethernet.begin(mac,myIP);
server.begin();
}
void loop()
{
size_t size;
if (EthernetClient client = server.available())
{
if (client)
{
while((size = client.available()) > 0)
{
uint8_t* msg = (uint8_t*)malloc(size);
size = client.read(msg,size);
Serial.write(msg,size);
client.write(msg,size);
free(msg);
}
}
}
}

77
STM32F4/libraries/arduino_uip/examples/TcpClient/TcpClient.ino Normal file
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/*
* UIPEthernet TcpClient example.
*
* UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
* Ethernet-shield.
*
* UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
*
* -----------------
*
* This TcpClient example gets its local ip-address via dhcp and sets
* up a tcp socket-connection to 192.168.0.1 port 5000 every 5 Seconds.
* After sending a message it waits for a response. After receiving the
* response the client disconnects and tries to reconnect after 5 seconds.
*
* Copyright (C) 2013 by Norbert Truchsess <norbert.truchsess@t-online.de>
*/
#include <SPI.h>
#include <UIPEthernet.h>
EthernetClient client;
signed long next;
void setup() {
Serial.begin(9600);
uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};
Ethernet.begin(mac);
Serial.print("localIP: ");
Serial.println(Ethernet.localIP());
Serial.print("subnetMask: ");
Serial.println(Ethernet.subnetMask());
Serial.print("gatewayIP: ");
Serial.println(Ethernet.gatewayIP());
Serial.print("dnsServerIP: ");
Serial.println(Ethernet.dnsServerIP());
next = 0;
}
void loop() {
if (((signed long)(millis() - next)) > 0)
{
next = millis() + 5000;
Serial.println("Client connect");
// replace hostname with name of machine running tcpserver.pl
// if (client.connect("server.local",5000))
if (client.connect(IPAddress(192,168,0,1),5000))
{
Serial.println("Client connected");
client.println("DATA from Client");
while(client.available()==0)
{
if (next - millis() < 0)
goto close;
}
int size;
while((size = client.available()) > 0)
{
uint8_t* msg = (uint8_t*)malloc(size);
size = client.read(msg,size);
Serial.write(msg,size);
free(msg);
}
close:
//disconnect client
Serial.println("Client disconnect");
client.stop();
}
else
Serial.println("Client connect failed");
}
}

74
STM32F4/libraries/arduino_uip/examples/TcpServer/TcpServer.ino Normal file
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/*
* UIPEthernet EchoServer example.
*
* UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
* Ethernet-shield.
*
* UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
*
* -----------------
*
* This Hello World example sets up a server at 192.168.1.6 on port 1000.
* Telnet here to access the service. The uIP stack will also respond to
* pings to test if you have successfully established a TCP connection to
* the Arduino.
*
* This example was based upon uIP hello-world by Adam Dunkels <adam@sics.se>
* Ported to the Arduino IDE by Adam Nielsen <malvineous@shikadi.net>
* Adaption to Enc28J60 by Norbert Truchsess <norbert.truchsess@t-online.de>
*/
#include <SPI.h>
#include <IPAddress.h>
#include <UIPEthernet.h>
EthernetServer server = EthernetServer(23);
void setup()
{
Serial.begin(115200);
delay(3000);
Serial.println("TCP Server starting ...");
uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};
IPAddress myIP(10,111,111,5);
Ethernet.begin(mac, myIP); // Static IP
// Ethernet.begin(mac); // DHCP
Serial.print("localIP: ");
Serial.println(Ethernet.localIP().toCharArray());
Serial.print("subnetMask: ");
Serial.println(Ethernet.subnetMask().toCharArray());
Serial.print("gatewayIP: ");
Serial.println(Ethernet.gatewayIP().toCharArray());
Serial.print("dnsServerIP: ");
Serial.println(Ethernet.dnsServerIP().toCharArray());
server.begin();
}
void loop()
{
size_t size;
if (EthernetClient client = server.available())
{
Serial.println("Client connected !");
while((size = client.available()) > 0)
{
uint8_t* msg = (uint8_t*)malloc(size);
size = client.read(msg, size);
Serial.print("Client Data received ! size=");
Serial.println(size);
Serial.write(msg, size);
free(msg);
}
client.println("DATA from Server!");
client.stop();
}
}

93
STM32F4/libraries/arduino_uip/examples/UdpClient/UdpClient.ino Normal file
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/*
* UIPEthernet UdpClient example.
*
* UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
* Ethernet-shield.
*
* UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
*
* -----------------
*
* This UdpClient example tries to send a packet via udp to 192.168.0.1
* on port 5000 every 5 seconds. After successfully sending the packet it
* waits for up to 5 seconds for a response on the local port that has been
* implicitly opened when sending the packet.
*
* Copyright (C) 2013 by Norbert Truchsess (norbert.truchsess@t-online.de)
*/
#include <UIPEthernet.h>
EthernetUDP udp;
unsigned long next;
void setup() {
Serial.begin(9600);
uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};
Ethernet.begin(mac,IPAddress(192,168,0,6));
next = millis()+5000;
}
void loop() {
int success;
int len = 0;
if (((signed long)(millis()-next))>0)
{
do
{
success = udp.beginPacket(IPAddress(192,168,0,1),5000);
Serial.print("beginPacket: ");
Serial.println(success ? "success" : "failed");
//beginPacket fails if remote ethaddr is unknown. In this case an
//arp-request is send out first and beginPacket succeeds as soon
//the arp-response is received.
}
while (!success && ((signed long)(millis()-next))<0);
if (!success )
goto stop;
success = udp.write("hello world from arduino");
Serial.print("bytes written: ");
Serial.println(success);
success = udp.endPacket();
Serial.print("endPacket: ");
Serial.println(success ? "success" : "failed");
do
{
//check for new udp-packet:
success = udp.parsePacket();
}
while (!success && ((signed long)(millis()-next))<0);
if (!success )
goto stop;
Serial.print("received: '");
do
{
int c = udp.read();
Serial.write(c);
len++;
}
while ((success = udp.available())>0);
Serial.print("', ");
Serial.print(len);
Serial.println(" bytes");
//finish reading this packet:
udp.flush();
stop:
udp.stop();
next = millis()+5000;
}
}

88
STM32F4/libraries/arduino_uip/examples/UdpServer/UdpServer.ino Normal file
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/*
* UIPEthernet UdpServer example.
*
* UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
* Ethernet-shield.
*
* UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
*
* -----------------
*
* This UdpServer example sets up a udp-server at 192.168.0.6 on port 5000.
* send packet via upd to test
*
* Copyright (C) 2013 by Norbert Truchsess (norbert.truchsess@t-online.de)
*/
#include <UIPEthernet.h>
EthernetUDP udp;
void setup() {
Serial.begin(9600);
uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};
Ethernet.begin(mac,IPAddress(192,168,0,6));
int success = udp.begin(5000);
Serial.print("initialize: ");
Serial.println(success ? "success" : "failed");
}
void loop() {
//check for new udp-packet:
int size = udp.parsePacket();
if (size > 0) {
do
{
char* msg = (char*)malloc(size+1);
int len = udp.read(msg,size+1);
msg[len]=0;
Serial.print("received: '");
Serial.print(msg);
free(msg);
}
while ((size = udp.available())>0);
//finish reading this packet:
udp.flush();
Serial.println("'");
int success;
do
{
Serial.print("remote ip: ");
Serial.println(udp.remoteIP());
Serial.print("remote port: ");
Serial.println(udp.remotePort());
//send new packet back to ip/port of client. This also
//configures the current connection to ignore packets from
//other clients!
success = udp.beginPacket(udp.remoteIP(),udp.remotePort());
Serial.print("beginPacket: ");
Serial.println(success ? "success" : "failed");
//beginPacket fails if remote ethaddr is unknown. In this case an
//arp-request is send out first and beginPacket succeeds as soon
//the arp-response is received.
}
while (!success);
success = udp.println("hello world from arduino");
Serial.print("bytes written: ");
Serial.println(success);
success = udp.endPacket();
Serial.print("endPacket: ");
Serial.println(success ? "success" : "failed");
udp.stop();
//restart with new connection to receive packets from other clients
Serial.print("restart connection: ");
Serial.println (udp.begin(5000) ? "success" : "failed");
}
}

58
STM32F4/libraries/arduino_uip/keywords.txt Normal file
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#######################################
# Syntax Coloring Map for SerialIP
#######################################
#######################################
# Datatypes (KEYWORD1)
#######################################
UIPEthernet KEYWORD1
UIPServer KEYWORD1
UIPClient KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
PSOCK_BEGIN KEYWORD2
PSOCK_CLOSE KEYWORD2
PSOCK_END KEYWORD2
PSOCK_EXIT KEYWORD2
PSOCK_INIT KEYWORD2
PSOCK_READBUF KEYWORD2
PSOCK_READTO KEYWORD2
PSOCK_SEND KEYWORD2
PSOCK_SEND_STR KEYWORD2
uip_listen KEYWORD2
uip_unlisten KEYWORD2
uip_connect KEYWORD2
uip_outstanding KEYWORD2
uip_send KEYWORD2
uip_datalen KEYWORD2
uip_close KEYWORD2
uip_abort KEYWORD2
uip_stop KEYWORD2
uip_stopped KEYWORD2
uip_restart KEYWORD2
uip_acked KEYWORD2
uip_connected KEYWORD2
uip_closed KEYWORD2
uip_aborted KEYWORD2
uip_timedout KEYWORD2
uip_rexmit KEYWORD2
uip_poll KEYWORD2
uip_initialmss KEYWORD2
uip_mss KEYWORD2
uip_ipaddr KEYWORD2
uip_ipaddr_maskcmp KEYWORD2
uip_ipaddr_mask KEYWORD2
HTONS KEYWORD2
htons KEYWORD2
use_device KEYWORD2
set_uip_callback KEYWORD2
set_gateway KEYWORD2
#######################################
# Constants (LITERAL1)
#######################################

10
STM32F4/libraries/arduino_uip/library.properties Normal file
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name=UIPEthernet
author=ntruchsess
email=Norbert Truchsess <norbert.truchsess@t-online.de>
sentence=Ethernet library for ENC28J60
paragraph=implements the same API as stock Ethernet-lib. Just replace the include of Ethernet.h with UIPEthernet.h
url=https://github.com/ntruchsess/arduino_uip
architectures=STM32F1
version=1.04
dependencies=
core-dependencies=arduino (>=1.5.0)

34
STM32F4/libraries/arduino_uip/tests/perl/tcpclient.pl Executable file
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#!/usr/bin/perl
#tcpclient.pl
use IO::Socket::INET;
# flush after every write
$| = 1;
my ($socket,$client_socket);
# creating object interface of IO::Socket::INET modules which internally creates
# socket, binds and connects to the TCP server running on the specific port.
$socket = new IO::Socket::INET (
PeerHost => '192.168.0.6',
PeerPort => '1000',
Proto => 'tcp',
) or die "ERROR in Socket Creation : $!\n";
print "TCP Connection Success.\n";
# write on the socket to server.
$data = "DATA from Client";
print $socket "$data\n";
# we can also send the data through IO::Socket::INET module,
# $socket->send($data);
# read the socket data sent by server.
$data = <$socket>;
# we can also read from socket through recv() in IO::Socket::INET
# $socket->recv($data,1024);
print "Received from Server : $data\n";
sleep (10);
$socket->close();

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#!/usr/bin/perl
#tcpserver.pl
use IO::Socket::INET;
# flush after every write
$| = 1;
my ($socket,$client_socket);
my ($peeraddress,$peerport);
# creating object interface of IO::Socket::INET modules which internally does
# socket creation, binding and listening at the specified port address.
$socket = new IO::Socket::INET (
LocalHost => '192.168.0.1',
LocalPort => '5000',
Proto => 'tcp',
Listen => 5,
Reuse => 1
) or die "ERROR in Socket Creation : $!\n";
print "SERVER Waiting for client connection on port 5000\n";
while(1)
{
# waiting for new client connection.
$client_socket = $socket->accept();
# get the host and port number of newly connected client.
$peer_address = $client_socket->peerhost();
$peer_port = $client_socket->peerport();
print "Accepted New Client Connection From : $peer_address, $peer_port\n ";
# read operation on the newly accepted client
$data = <$client_socket>;
# we can also read from socket through recv() in IO::Socket::INET
# $client_socket->recv($data,1024);
print "Received from Client : $data\n";
# write operation on the newly accepted client.
$data = "DATA from Server";
print $client_socket "$data\n";
# we can also send the data through IO::Socket::INET module,
# $client_socket->send($data);
sleep(1);
$client_socket->close();
}
$socket->close();

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STM32F4/libraries/arduino_uip/tests/perl/udpclient.pl Executable file
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#!/usr/bin/perl
#udpclient.pl
use IO::Socket::INET;
# flush after every write
$| = 1;
my ($socket,$data);
# We call IO::Socket::INET->new() to create the UDP Socket
# and bind with the PeerAddr.
$socket = new IO::Socket::INET (
PeerAddr => '192.168.0.6:5000',
Proto => 'udp'
) or die "ERROR in Socket Creation : $!\n";
#send operation
$data = "data from client";
$socket->send($data);
#read operation
$data = <$socket>;
print "Data received from socket : $data\n ";
sleep(10);
$socket->close();

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#!/usr/bin/perl
#udpserver.pl
use IO::Socket::INET;
# flush after every write
$| = 1;
my ($socket,$received_data);
my ($peeraddress,$peerport);
# we call IO::Socket::INET->new() to create the UDP Socket and bound
# to specific port number mentioned in LocalPort and there is no need to provide
# LocalAddr explicitly as in TCPServer.
$socket = new IO::Socket::INET (
LocalPort => '5000',
Proto => 'udp',
) or die "ERROR in Socket Creation : $!\n";
while(1)
{
# read operation on the socket
$socket->recv($recieved_data,1024);
#get the peerhost and peerport at which the recent data received.
$peer_address = $socket->peerhost();
$peer_port = $socket->peerport();
print "($peer_address , $peer_port) said : $recieved_data\n";
#send the data to the client at which the read/write operations done recently.
$data = "data from server\n";
$socket->send($data);
print $socket "$data";
}
$socket->close();

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/*
Enc28J60NetworkClass.h
UIPEthernet network driver for Microchip ENC28J60 Ethernet Interface.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
based on enc28j60.c file from the AVRlib library by Pascal Stang.
For AVRlib See http://www.procyonengineering.com/
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Enc28J60Network.h"
#include "Arduino.h"
extern "C" {
//#include <avr/io.h>
#include "enc28j60.h"
#include "uip.h"
}
#ifdef ENC28J60DEBUG
#include "HardwareSerial.h"
#endif
//#define Serial SerialUSB
//#define SPI SPIEth
extern SPIClass SPI;
// set CS to 0 = active
#define CSACTIVE digitalWrite(ENC28J60_CONTROL_CS, LOW)
// set CS to 1 = passive
#define CSPASSIVE digitalWrite(ENC28J60_CONTROL_CS, HIGH)
//
#define waitspi() while(!(SPSR&(1<<SPIF)))
uint16_t Enc28J60Network::nextPacketPtr;
uint8_t Enc28J60Network::bank=0xff;
struct memblock Enc28J60Network::receivePkt;
bool Enc28J60Network::broadcast_enabled = false;
static byte selectPin;
void Enc28J60Network::init(uint8_t* macaddr)
{
MemoryPool::init(); // 1 byte in between RX_STOP_INIT and pool to allow prepending of controlbyte
// initialize I/O
// ss as output:
pinMode(ENC28J60_CONTROL_CS, OUTPUT);
CSPASSIVE; // ss=0
//
#ifdef ENC28J60DEBUG
Serial.println("ENC28J60::initialize / before initSPI()");
#endif
SPI.begin();
SPI.setBitOrder(MSBFIRST);
// SPI.setDataMode(SPI_MODE0);
// SPI.setClockDivider(SPI_CLOCK_DIV16);
#ifdef ENC28J60DEBUG
Serial.println("ENC28J60::initialize / after initSPI()");
Serial.print("ENC28J60::initialize / csPin = ");
Serial.println(SPI.nssPin());
Serial.print("ENC28J60::initialize / miso = ");
Serial.println(SPI.misoPin());
Serial.print("ENC28J60::initialize / mosi = ");
Serial.println(SPI.mosiPin());
Serial.print("ENC28J60::initialize / sck = ");
Serial.println(SPI.sckPin());
#endif
selectPin = ENC28J60_CONTROL_CS;
pinMode(selectPin, OUTPUT);
digitalWrite(selectPin, HIGH);
// perform system reset
writeOp(ENC28J60_SOFT_RESET, 0, ENC28J60_SOFT_RESET);
delay(2); // errata B7/2
delay(50);
// check CLKRDY bit to see if reset is complete
// The CLKRDY does not work. See Rev. B4 Silicon Errata point. Just wait.
//while(!(readReg(ESTAT) & ESTAT_CLKRDY));
// do bank 0 stuff
// initialize receive buffer
// 16-bit transfers, must write low byte first
// set receive buffer start address
#ifdef ENC28J60DEBUG
Serial.println("ENC28J60::initialize / before readOp(ENC28J60_READ_CTRL_REG, ESTAT)");
#endif
while (!readOp(ENC28J60_READ_CTRL_REG, ESTAT) & ESTAT_CLKRDY)
;
#ifdef ENC28J60DEBUG
Serial.println("ENC28J60::initialize / after readOp(ENC28J60_READ_CTRL_REG, ESTAT)");
#endif
nextPacketPtr = RXSTART_INIT;
// Rx start
writeRegPair(ERXSTL, RXSTART_INIT);
// set receive pointer address
writeRegPair(ERXRDPTL, RXSTART_INIT);
// RX end
writeRegPair(ERXNDL, RXSTOP_INIT);
// TX start
//-------------writeRegPair(ETXSTL, TXSTART_INIT);
// TX end
//-------------writeRegPair(ETXNDL, TXSTOP_INIT);
// do bank 1 stuff, packet filter:
// For broadcast packets we allow only ARP packtets
// All other packets should be unicast only for our mac (MAADR)
//
// The pattern to match on is therefore
// Type ETH.DST
// ARP BROADCAST
// 06 08 -- ff ff ff ff ff ff -> ip checksum for theses bytes=f7f9
// in binary these poitions are:11 0000 0011 1111
// This is hex 303F->EPMM0=0x3f,EPMM1=0x30
//TODO define specific pattern to receive dhcp-broadcast packages instead of setting ERFCON_BCEN!
// enableBroadcast(); // change to add ERXFCON_BCEN recommended by epam
writeReg(ERXFCON, ERXFCON_UCEN|ERXFCON_CRCEN|ERXFCON_PMEN|ERXFCON_BCEN);
writeRegPair(EPMM0, 0x303f);
writeRegPair(EPMCSL, 0xf7f9);
//
//
// do bank 2 stuff
// enable MAC receive
// and bring MAC out of reset (writes 0x00 to MACON2)
writeRegPair(MACON1, MACON1_MARXEN|MACON1_TXPAUS|MACON1_RXPAUS);
//----------------writeRegPair(MACON2, 0x00);
// enable automatic padding to 60bytes and CRC operations
writeOp(ENC28J60_BIT_FIELD_SET, MACON3, MACON3_PADCFG0|MACON3_TXCRCEN|MACON3_FRMLNEN);
// set inter-frame gap (non-back-to-back)
writeRegPair(MAIPGL, 0x0C12);
// set inter-frame gap (back-to-back)
writeReg(MABBIPG, 0x12);
// Set the maximum packet size which the controller will accept
// Do not send packets longer than MAX_FRAMELEN:
writeRegPair(MAMXFLL, MAX_FRAMELEN);
// do bank 3 stuff
// write MAC address
// NOTE: MAC address in ENC28J60 is byte-backward
writeReg(MAADR5, macaddr[0]);
writeReg(MAADR4, macaddr[1]);
writeReg(MAADR3, macaddr[2]);
writeReg(MAADR2, macaddr[3]);
writeReg(MAADR1, macaddr[4]);
writeReg(MAADR0, macaddr[5]);
// no loopback of transmitted frames
phyWrite(PHCON2, PHCON2_HDLDIS);
// switch to bank 0
setBank(ECON1);
// enable interrutps
writeOp(ENC28J60_BIT_FIELD_SET, EIE, EIE_INTIE|EIE_PKTIE);
// enable packet reception
writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_RXEN);
//Configure leds
phyWrite(PHLCON,0x476);
byte rev = readReg(EREVID);
// microchip forgot to step the number on the silcon when they
// released the revision B7. 6 is now rev B7. We still have
// to see what they do when they release B8. At the moment
// there is no B8 out yet
if (rev > 5) ++rev;
#ifdef ENC28J60DEBUG
Serial.print("ENC28J60::initialize returns ");
Serial.println(rev);
#endif
// return rev;
}
memhandle
Enc28J60Network::receivePacket()
{
uint8_t rxstat;
uint16_t len;
// check if a packet has been received and buffered
//if( !(readReg(EIR) & EIR_PKTIF) ){
// The above does not work. See Rev. B4 Silicon Errata point 6.
if (readReg(EPKTCNT) != 0)
{
uint16_t readPtr = nextPacketPtr+6 > RXSTOP_INIT ? nextPacketPtr+6-RXSTOP_INIT+RXSTART_INIT : nextPacketPtr+6;
// Set the read pointer to the start of the received packet
writeRegPair(ERDPTL, nextPacketPtr);
// read the next packet pointer
nextPacketPtr = readOp(ENC28J60_READ_BUF_MEM, 0);
nextPacketPtr |= readOp(ENC28J60_READ_BUF_MEM, 0) << 8;
// read the packet length (see datasheet page 43)
len = readOp(ENC28J60_READ_BUF_MEM, 0);
len |= readOp(ENC28J60_READ_BUF_MEM, 0) << 8;
len -= 4; //remove the CRC count
// read the receive status (see datasheet page 43)
rxstat = readOp(ENC28J60_READ_BUF_MEM, 0);
//rxstat |= readOp(ENC28J60_READ_BUF_MEM, 0) << 8;
#ifdef ENC28J60DEBUG
Serial.print("receivePacket [");
Serial.print(readPtr,HEX);
Serial.print("-");
Serial.print((readPtr+len) % (RXSTOP_INIT+1),HEX);
Serial.print("], next: ");
Serial.print(nextPacketPtr,HEX);
Serial.print(", stat: ");
Serial.print(rxstat,HEX);
Serial.print(", count: ");
Serial.print(readReg(EPKTCNT));
Serial.print(" -> ");
Serial.println((rxstat & 0x80)!=0 ? "OK" : "failed");
#endif
// decrement the packet counter indicate we are done with this packet
writeOp(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_PKTDEC);
// check CRC and symbol errors (see datasheet page 44, table 7-3):
// The ERXFCON.CRCEN is set by default. Normally we should not
// need to check this.
if ((rxstat & 0x80) != 0)
{
receivePkt.begin = readPtr;
receivePkt.size = len;
#ifdef ENC28J60DEBUG
Serial.print("receivePkt.size=");
Serial.println(len);
#endif
return UIP_RECEIVEBUFFERHANDLE;
}
// Move the RX read pointer to the start of the next received packet
// This frees the memory we just read out
setERXRDPT();
}
return (NOBLOCK);
}
void
Enc28J60Network::setERXRDPT()
{
writeRegPair(ERXRDPTL, nextPacketPtr == RXSTART_INIT ? RXSTOP_INIT : nextPacketPtr-1);
}
memaddress
Enc28J60Network::blockSize(memhandle handle)
{
return handle == NOBLOCK ? 0 : handle == UIP_RECEIVEBUFFERHANDLE ? receivePkt.size : blocks[handle].size;
}
void
Enc28J60Network::sendPacket(memhandle handle)
{
memblock *packet = &blocks[handle];
uint16_t start = packet->begin-1;
uint16_t end = start + packet->size;
// backup data at control-byte position
uint8_t data = readByte(start);
// write control-byte (if not 0 anyway)
if (data)
writeByte(start, 0);
#ifdef ENC28J60DEBUG
Serial.print("sendPacket(");
Serial.print(handle);
Serial.print(") [");
Serial.print(start,HEX);
Serial.print("-");
Serial.print(end,HEX);
Serial.print("]: ");
for (uint16_t i=start; i<=end; i++)
{
Serial.print(readByte(i),HEX);
Serial.print(" ");
}
Serial.println();
#endif
// TX start
writeRegPair(ETXSTL, start);
// Set the TXND pointer to correspond to the packet size given
writeRegPair(ETXNDL, end);
// send the contents of the transmit buffer onto the network
writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_TXRTS);
// Reset the transmit logic problem. See Rev. B4 Silicon Errata point 12.
if( (readReg(EIR) & EIR_TXERIF) )
{
writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, ECON1_TXRTS);
}
//restore data on control-byte position
if (data)
writeByte(start, data);
}
uint16_t
Enc28J60Network::setReadPtr(memhandle handle, memaddress position, uint16_t len)
{
memblock *packet = handle == UIP_RECEIVEBUFFERHANDLE ? &receivePkt : &blocks[handle];
memaddress start = handle == UIP_RECEIVEBUFFERHANDLE && packet->begin + position > RXSTOP_INIT ? packet->begin + position-RXSTOP_INIT+RXSTART_INIT : packet->begin + position;
writeRegPair(ERDPTL, start);
if (len > packet->size - position)
len = packet->size - position;
return len;
}
uint16_t
Enc28J60Network::readPacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len)
{
len = setReadPtr(handle, position, len);
readBuffer(len, buffer);
return len;
}
uint16_t
Enc28J60Network::writePacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len)
{
memblock *packet = &blocks[handle];
uint16_t start = packet->begin + position;
writeRegPair(EWRPTL, start);
if (len > packet->size - position)
len = packet->size - position;
writeBuffer(len, buffer);
return len;
}
void Enc28J60Network::enableBroadcast (bool temporary) {
writeRegByte(ERXFCON, readRegByte(ERXFCON) | ERXFCON_BCEN);
if(!temporary)
broadcast_enabled = true;
}
void Enc28J60Network::disableBroadcast (bool temporary) {
if(!temporary)
broadcast_enabled = false;
if(!broadcast_enabled)
writeRegByte(ERXFCON, readRegByte(ERXFCON) & ~ERXFCON_BCEN);
}
void Enc28J60Network::enableMulticast () {
writeRegByte(ERXFCON, readRegByte(ERXFCON) | ERXFCON_MCEN);
}
void Enc28J60Network::disableMulticast () {
writeRegByte(ERXFCON, readRegByte(ERXFCON) & ~ERXFCON_MCEN);
}
byte Enc28J60Network::readRegByte (uint8_t address) {
setBank(address);
return readOp(ENC28J60_READ_CTRL_REG, address);
}
void Enc28J60Network::writeRegByte (uint8_t address, uint8_t data) {
setBank(address);
writeOp(ENC28J60_WRITE_CTRL_REG, address, data);
}
uint8_t Enc28J60Network::readByte(uint16_t addr)
{
writeRegPair(ERDPTL, addr);
CSACTIVE;
SPI.transfer(ENC28J60_READ_BUF_MEM);
uint8_t data = SPI.transfer(0x00);
CSPASSIVE;
return data;
}
void Enc28J60Network::writeByte(uint16_t addr, uint8_t data)
{
writeRegPair(EWRPTL, addr);
CSACTIVE;
SPI.transfer(ENC28J60_WRITE_BUF_MEM);
SPI.transfer(data);
CSPASSIVE;
}
void
Enc28J60Network::copyPacket(memhandle dest_pkt, memaddress dest_pos, memhandle src_pkt, memaddress src_pos, uint16_t len)
{
memblock *dest = &blocks[dest_pkt];
memblock *src = src_pkt == UIP_RECEIVEBUFFERHANDLE ? &receivePkt : &blocks[src_pkt];
memaddress start = src_pkt == UIP_RECEIVEBUFFERHANDLE && src->begin + src_pos > RXSTOP_INIT ? src->begin + src_pos-RXSTOP_INIT+RXSTART_INIT : src->begin + src_pos;
enc28J60_mempool_block_move_callback(dest->begin+dest_pos,start,len);
// Move the RX read pointer to the start of the next received packet
// This frees the memory we just read out
setERXRDPT();
}
void
enc28J60_mempool_block_move_callback(memaddress dest, memaddress src, memaddress len)
{
//void
//Enc28J60Network::memblock_mv_cb(uint16_t dest, uint16_t src, uint16_t len)
//{
//as ENC28J60 DMA is unable to copy single bytes:
if (len == 1)
{
Enc28J60Network::writeByte(dest,Enc28J60Network::readByte(src));
}
else
{
// calculate address of last byte
len += src - 1;
/* 1. Appropriately program the EDMAST, EDMAND
and EDMADST register pairs. The EDMAST
registers should point to the first byte to copy
from, the EDMAND registers should point to the
last byte to copy and the EDMADST registers
should point to the first byte in the destination
range. The destination range will always be
linear, never wrapping at any values except from
8191 to 0 (the 8-Kbyte memory boundary).
Extreme care should be taken when
programming the start and end pointers to
prevent a never ending DMA operation which
would overwrite the entire 8-Kbyte buffer.
*/
Enc28J60Network::writeRegPair(EDMASTL, src);
Enc28J60Network::writeRegPair(EDMADSTL, dest);
if ((src <= RXSTOP_INIT)&& (len > RXSTOP_INIT))len -= (RXSTOP_INIT-RXSTART_INIT);
Enc28J60Network::writeRegPair(EDMANDL, len);
/*
2. If an interrupt at the end of the copy process is
desired, set EIE.DMAIE and EIE.INTIE and
clear EIR.DMAIF.
3. Verify that ECON1.CSUMEN is clear. */
Enc28J60Network::writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, ECON1_CSUMEN);
/* 4. Start the DMA copy by setting ECON1.DMAST. */
Enc28J60Network::writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_DMAST);
// wait until runnig DMA is completed
while (Enc28J60Network::readOp(ENC28J60_READ_CTRL_REG, ECON1) & ECON1_DMAST);
}
}
void
Enc28J60Network::freePacket()
{
setERXRDPT();
}
uint8_t
Enc28J60Network::readOp(uint8_t op, uint8_t address)
{
CSACTIVE;
// issue read command
SPI.transfer(op | (address & ADDR_MASK));
byte result = SPI.transfer(0x00);
if (address & 0x80)
result = SPI.transfer(0x00);
CSPASSIVE;
return result;
}
void
Enc28J60Network::writeOp(uint8_t op, uint8_t address, uint8_t data)
{
CSACTIVE;
// issue write command
SPI.transfer(op | (address & ADDR_MASK));
SPI.transfer(data);
CSPASSIVE;
}
void
Enc28J60Network::readBuffer(uint16_t len, uint8_t* data)
{
CSACTIVE;
// issue read command
SPI.transfer(ENC28J60_READ_BUF_MEM);
while (len--) {
*data++ = SPI.transfer(0x00);
}
CSPASSIVE;
}
void
Enc28J60Network::writeBuffer(uint16_t len, uint8_t* data)
{
CSACTIVE;
// issue write command
SPI.transfer(ENC28J60_WRITE_BUF_MEM);
while (len--) {
SPI.transfer(*data++);
}
CSPASSIVE;
}
void
Enc28J60Network::setBank(uint8_t address)
{
// set the bank (if needed)
if((address & BANK_MASK) != bank)
{
// set the bank
writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, (ECON1_BSEL1|ECON1_BSEL0));
writeOp(ENC28J60_BIT_FIELD_SET, ECON1, (address & BANK_MASK)>>5);
bank = (address & BANK_MASK);
}
}
uint8_t
Enc28J60Network::readReg(uint8_t address)
{
// set the bank
setBank(address);
// do the read
return readOp(ENC28J60_READ_CTRL_REG, address);
}
void
Enc28J60Network::writeReg(uint8_t address, uint8_t data)
{
// set the bank
setBank(address);
// do the write
writeOp(ENC28J60_WRITE_CTRL_REG, address, data);
}
void
Enc28J60Network::writeRegPair(uint8_t address, uint16_t data)
{
// set the bank
setBank(address);
// do the write
writeOp(ENC28J60_WRITE_CTRL_REG, address, (data&0xFF));
writeOp(ENC28J60_WRITE_CTRL_REG, address+1, (data) >> 8);
}
void
Enc28J60Network::phyWrite(uint8_t address, uint16_t data)
{
// set the PHY register address
writeReg(MIREGADR, address);
// write the PHY data
writeRegPair(MIWRL, data);
// wait until the PHY write completes
while(readReg(MISTAT) & MISTAT_BUSY){
delayMicroseconds(15);
}
}
uint16_t
Enc28J60Network::phyRead(uint8_t address)
{
writeReg(MIREGADR,address);
writeReg(MICMD, MICMD_MIIRD);
// wait until the PHY read completes
while(readReg(MISTAT) & MISTAT_BUSY){
delayMicroseconds(15);
} //and MIRDH
writeReg(MICMD, 0);
return (readReg(MIRDL) | readReg(MIRDH) << 8);
}
void
Enc28J60Network::clkout(uint8_t clk)
{
//setup clkout: 2 is 12.5MHz:
writeReg(ECOCON, clk & 0x7);
}
// read the revision of the chip:
uint8_t
Enc28J60Network::getrev(void)
{
return(readReg(EREVID));
}
uint16_t
Enc28J60Network::chksum(uint16_t sum, memhandle handle, memaddress pos, uint16_t len)
{
uint16_t t;
len = setReadPtr(handle, pos, len)-1;
CSACTIVE;
// issue read command
SPI.transfer(ENC28J60_READ_BUF_MEM);
uint16_t i;
for (i = 0; i < len; i+=2)
{
// read data
t = SPI.transfer(0x00) << 8;
t += SPI.transfer(0x00);
sum += t;
if(sum < t) {
sum++; // carry
}
}
if(i == len) {
t = (SPI.transfer(0x00) << 8) + 0;
sum += t;
if(sum < t) {
sum++; // carry
}
}
CSPASSIVE;
// Return sum in host byte order.
return sum;
}
void
Enc28J60Network::powerOff()
{
writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, ECON1_RXEN);
delay(50);
writeOp(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_VRPS);
delay(50);
writeOp(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_PWRSV);
}
void
Enc28J60Network::powerOn()
{
writeOp(ENC28J60_BIT_FIELD_CLR, ECON2, ECON2_PWRSV);
delay(50);
writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_RXEN);
delay(50);
}
bool
Enc28J60Network::linkStatus()
{
return (phyRead(PHSTAT2) & 0x0400) > 0;
}
Enc28J60Network Enc28J60;

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/*
Enc28J60NetworkClass.h
UIPEthernet network driver for Microchip ENC28J60 Ethernet Interface.
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
inspired by enc28j60.c file from the AVRlib library by Pascal Stang.
For AVRlib See http://www.procyonengineering.com/
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef Enc28J60Network_H_
#define Enc28J60Network_H_
#include <SPI.h>
#include "mempool.h"
//#define ENC28J60_CONTROL_CS SS
//#define SPI_MOSI MOSI
//#define SPI_MISO MISO
//#define SPI_SCK SCK
//#define SPI_SS SS
#define ENC28J60_CONTROL_CS PC8
//#define SPI_MOSI PA7
//#define SPI_MISO PA6
//#define SPI_SCK PA5
//#define SPI_SS PA8
#define UIP_RECEIVEBUFFERHANDLE 0xff
//#define ENC28J60DEBUG
/*
* Empfangen von ip-header, arp etc...
* wenn tcp/udp -> tcp/udp-callback -> assign new packet to connection
*/
class Enc28J60Network : public MemoryPool
{
private:
static uint16_t nextPacketPtr;
static uint8_t bank;
static struct memblock receivePkt;
static bool broadcast_enabled; //!< True if broadcasts enabled (used to allow temporary disable of broadcast for DHCP or other internal functions)
static uint8_t readOp(uint8_t op, uint8_t address);
static void writeOp(uint8_t op, uint8_t address, uint8_t data);
static uint16_t setReadPtr(memhandle handle, memaddress position, uint16_t len);
static void setERXRDPT();
static void readBuffer(uint16_t len, uint8_t* data);
static void writeBuffer(uint16_t len, uint8_t* data);
static uint8_t readByte(uint16_t addr);
static void writeByte(uint16_t addr, uint8_t data);
static void setBank(uint8_t address);
static uint8_t readReg(uint8_t address);
static void writeReg(uint8_t address, uint8_t data);
static void writeRegPair(uint8_t address, uint16_t data);
static void phyWrite(uint8_t address, uint16_t data);
static uint16_t phyRead(uint8_t address);
static void clkout(uint8_t clk);
static void enableBroadcast (bool temporary);
static void disableBroadcast (bool temporary);
static void enableMulticast ();
static void disableMulticast ();
static uint8_t readRegByte (uint8_t address);
static void writeRegByte (uint8_t address, uint8_t data);
friend void enc28J60_mempool_block_move_callback(memaddress,memaddress,memaddress);
public:
uint8_t getrev(void);
void powerOn();
void powerOff();
bool linkStatus();
static void init(uint8_t* macaddr);
static memhandle receivePacket();
static void freePacket();
static memaddress blockSize(memhandle handle);
static void sendPacket(memhandle handle);
static uint16_t readPacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len);
static uint16_t writePacket(memhandle handle, memaddress position, uint8_t* buffer, uint16_t len);
static void copyPacket(memhandle dest, memaddress dest_pos, memhandle src, memaddress src_pos, uint16_t len);
static uint16_t chksum(uint16_t sum, memhandle handle, memaddress pos, uint16_t len);
};
extern Enc28J60Network Enc28J60;
#endif /* Enc28J60NetworkClass_H_ */

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/*
clock-arch.c - Arduino implementation of uIP clock device.
Copyright (c) 2010 Adam Nielsen <malvineous@shikadi.net>
All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <Arduino.h>
#include "clock-arch.h"
extern "C" {
clock_time_t
clock_time(void)
{
return (clock_time_t) millis();
}
}

27
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/*
clock-arch.h - Arduino implementation of uIP clock device.
Copyright (c) 2010 Adam Nielsen <malvineous@shikadi.net>
All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef clock_h_
#define clock_h_
typedef unsigned long clock_time_t;
#define CLOCK_CONF_SECOND 1000
#endif

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/*****************************************************************************
*
* Title : Microchip ENC28J60 Ethernet Interface Driver
* Author : Pascal Stang (c)2005
* Modified by Norbert Truchsess
* Copyright: GPL V2
*
*This driver provides initialization and transmit/receive
*functions for the Microchip ENC28J60 10Mb Ethernet Controller and PHY.
*This chip is novel in that it is a full MAC+PHY interface all in a 28-pin
*chip, using an SPI interface to the host processor.
*
*
*****************************************************************************/
#ifndef ENC28J60_H
#define ENC28J60_H
#include <inttypes.h>
// ENC28J60 Control Registers
// Control register definitions are a combination of address,
// bank number, and Ethernet/MAC/PHY indicator bits.
// - Register address (bits 0-4)
// - Bank number (bits 5-6)
// - MAC/PHY indicator (bit 7)
#define ADDR_MASK 0x1F
#define BANK_MASK 0x60
#define SPRD_MASK 0x80
// All-bank registers
#define EIE 0x1B
#define EIR 0x1C
#define ESTAT 0x1D
#define ECON2 0x1E
#define ECON1 0x1F
// Bank 0 registers
#define ERDPTL (0x00|0x00)
#define ERDPTH (0x01|0x00)
#define EWRPTL (0x02|0x00)
#define EWRPTH (0x03|0x00)
#define ETXSTL (0x04|0x00)
#define ETXSTH (0x05|0x00)
#define ETXNDL (0x06|0x00)
#define ETXNDH (0x07|0x00)
#define ERXSTL (0x08|0x00)
#define ERXSTH (0x09|0x00)
#define ERXNDL (0x0A|0x00)
#define ERXNDH (0x0B|0x00)
#define ERXRDPTL (0x0C|0x00)
#define ERXRDPTH (0x0D|0x00)
#define ERXWRPTL (0x0E|0x00)
#define ERXWRPTH (0x0F|0x00)
#define EDMASTL (0x10|0x00)
#define EDMASTH (0x11|0x00)
#define EDMANDL (0x12|0x00)
#define EDMANDH (0x13|0x00)
#define EDMADSTL (0x14|0x00)
#define EDMADSTH (0x15|0x00)
#define EDMACSL (0x16|0x00)
#define EDMACSH (0x17|0x00)
// Bank 1 registers
#define EHT0 (0x00|0x20)
#define EHT1 (0x01|0x20)
#define EHT2 (0x02|0x20)
#define EHT3 (0x03|0x20)
#define EHT4 (0x04|0x20)
#define EHT5 (0x05|0x20)
#define EHT6 (0x06|0x20)
#define EHT7 (0x07|0x20)
#define EPMM0 (0x08|0x20)
#define EPMM1 (0x09|0x20)
#define EPMM2 (0x0A|0x20)
#define EPMM3 (0x0B|0x20)
#define EPMM4 (0x0C|0x20)
#define EPMM5 (0x0D|0x20)
#define EPMM6 (0x0E|0x20)
#define EPMM7 (0x0F|0x20)
#define EPMCSL (0x10|0x20)
#define EPMCSH (0x11|0x20)
#define EPMOL (0x14|0x20)
#define EPMOH (0x15|0x20)
#define EWOLIE (0x16|0x20)
#define EWOLIR (0x17|0x20)
#define ERXFCON (0x18|0x20)
#define EPKTCNT (0x19|0x20)
// Bank 2 registers
#define MACON1 (0x00|0x40|0x80)
#define MACON2 (0x01|0x40|0x80)
#define MACON3 (0x02|0x40|0x80)
#define MACON4 (0x03|0x40|0x80)
#define MABBIPG (0x04|0x40|0x80)
#define MAIPGL (0x06|0x40|0x80)
#define MAIPGH (0x07|0x40|0x80)
#define MACLCON1 (0x08|0x40|0x80)
#define MACLCON2 (0x09|0x40|0x80)
#define MAMXFLL (0x0A|0x40|0x80)
#define MAMXFLH (0x0B|0x40|0x80)
#define MAPHSUP (0x0D|0x40|0x80)
#define MICON (0x11|0x40|0x80)
#define MICMD (0x12|0x40|0x80)
#define MIREGADR (0x14|0x40|0x80)
#define MIWRL (0x16|0x40|0x80)
#define MIWRH (0x17|0x40|0x80)
#define MIRDL (0x18|0x40|0x80)
#define MIRDH (0x19|0x40|0x80)
// Bank 3 registers
#define MAADR1 (0x00|0x60|0x80)
#define MAADR0 (0x01|0x60|0x80)
#define MAADR3 (0x02|0x60|0x80)
#define MAADR2 (0x03|0x60|0x80)
#define MAADR5 (0x04|0x60|0x80)
#define MAADR4 (0x05|0x60|0x80)
#define EBSTSD (0x06|0x60)
#define EBSTCON (0x07|0x60)
#define EBSTCSL (0x08|0x60)
#define EBSTCSH (0x09|0x60)
#define MISTAT (0x0A|0x60|0x80)
#define EREVID (0x12|0x60)
#define ECOCON (0x15|0x60)
#define EFLOCON (0x17|0x60)
#define EPAUSL (0x18|0x60)
#define EPAUSH (0x19|0x60)
// PHY registers
#define PHCON1 0x00
#define PHSTAT1 0x01
#define PHHID1 0x02
#define PHHID2 0x03
#define PHCON2 0x10
#define PHSTAT2 0x11
#define PHIE 0x12
#define PHIR 0x13
#define PHLCON 0x14
// ENC28J60 ERXFCON Register Bit Definitions
#define ERXFCON_UCEN 0x80
#define ERXFCON_ANDOR 0x40
#define ERXFCON_CRCEN 0x20
#define ERXFCON_PMEN 0x10
#define ERXFCON_MPEN 0x08
#define ERXFCON_HTEN 0x04
#define ERXFCON_MCEN 0x02
#define ERXFCON_BCEN 0x01
// ENC28J60 EIE Register Bit Definitions
#define EIE_INTIE 0x80
#define EIE_PKTIE 0x40
#define EIE_DMAIE 0x20
#define EIE_LINKIE 0x10
#define EIE_TXIE 0x08
#define EIE_WOLIE 0x04
#define EIE_TXERIE 0x02
#define EIE_RXERIE 0x01
// ENC28J60 EIR Register Bit Definitions
#define EIR_PKTIF 0x40
#define EIR_DMAIF 0x20
#define EIR_LINKIF 0x10
#define EIR_TXIF 0x08
#define EIR_WOLIF 0x04
#define EIR_TXERIF 0x02
#define EIR_RXERIF 0x01
// ENC28J60 ESTAT Register Bit Definitions
#define ESTAT_INT 0x80
#define ESTAT_LATECOL 0x10
#define ESTAT_RXBUSY 0x04
#define ESTAT_TXABRT 0x02
#define ESTAT_CLKRDY 0x01
// ENC28J60 ECON2 Register Bit Definitions
#define ECON2_AUTOINC 0x80
#define ECON2_PKTDEC 0x40
#define ECON2_PWRSV 0x20
#define ECON2_VRPS 0x08
// ENC28J60 ECON1 Register Bit Definitions
#define ECON1_TXRST 0x80
#define ECON1_RXRST 0x40
#define ECON1_DMAST 0x20
#define ECON1_CSUMEN 0x10
#define ECON1_TXRTS 0x08
#define ECON1_RXEN 0x04
#define ECON1_BSEL1 0x02
#define ECON1_BSEL0 0x01
// ENC28J60 MACON1 Register Bit Definitions
#define MACON1_LOOPBK 0x10
#define MACON1_TXPAUS 0x08
#define MACON1_RXPAUS 0x04
#define MACON1_PASSALL 0x02
#define MACON1_MARXEN 0x01
// ENC28J60 MACON2 Register Bit Definitions
#define MACON2_MARST 0x80
#define MACON2_RNDRST 0x40
#define MACON2_MARXRST 0x08
#define MACON2_RFUNRST 0x04
#define MACON2_MATXRST 0x02
#define MACON2_TFUNRST 0x01
// ENC28J60 MACON3 Register Bit Definitions
#define MACON3_PADCFG2 0x80
#define MACON3_PADCFG1 0x40
#define MACON3_PADCFG0 0x20
#define MACON3_TXCRCEN 0x10
#define MACON3_PHDRLEN 0x08
#define MACON3_HFRMLEN 0x04
#define MACON3_FRMLNEN 0x02
#define MACON3_FULDPX 0x01
// ENC28J60 MICMD Register Bit Definitions
#define MICMD_MIISCAN 0x02
#define MICMD_MIIRD 0x01
// ENC28J60 MISTAT Register Bit Definitions
#define MISTAT_NVALID 0x04
#define MISTAT_SCAN 0x02
#define MISTAT_BUSY 0x01
// ENC28J60 PHY PHCON1 Register Bit Definitions
#define PHCON1_PRST 0x8000
#define PHCON1_PLOOPBK 0x4000
#define PHCON1_PPWRSV 0x0800
#define PHCON1_PDPXMD 0x0100
// ENC28J60 PHY PHSTAT1 Register Bit Definitions
#define PHSTAT1_PFDPX 0x1000
#define PHSTAT1_PHDPX 0x0800
#define PHSTAT1_LLSTAT 0x0004
#define PHSTAT1_JBSTAT 0x0002
// ENC28J60 PHY PHCON2 Register Bit Definitions
#define PHCON2_FRCLINK 0x4000
#define PHCON2_TXDIS 0x2000
#define PHCON2_JABBER 0x0400
#define PHCON2_HDLDIS 0x0100
// ENC28J60 Packet Control Byte Bit Definitions
#define PKTCTRL_PHUGEEN 0x08
#define PKTCTRL_PPADEN 0x04
#define PKTCTRL_PCRCEN 0x02
#define PKTCTRL_POVERRIDE 0x01
// SPI operation codes
#define ENC28J60_READ_CTRL_REG 0x00
#define ENC28J60_READ_BUF_MEM 0x3A
#define ENC28J60_WRITE_CTRL_REG 0x40
#define ENC28J60_WRITE_BUF_MEM 0x7A
#define ENC28J60_BIT_FIELD_SET 0x80
#define ENC28J60_BIT_FIELD_CLR 0xA0
#define ENC28J60_SOFT_RESET 0xFF
// The RXSTART_INIT should be zero. See Rev. B4 Silicon Errata
// buffer boundaries applied to internal 8K ram
// the entire available packet buffer space is allocated
//
// start with recbuf at 0/
#define RXSTART_INIT 0x0
// receive buffer end. make sure this is an odd value ( See Rev. B1,B4,B5,B7 Silicon Errata 'Memory (Ethernet Buffer)')
#define RXSTOP_INIT (0x1FFF-0x1800)
// start TX buffer RXSTOP_INIT+1
#define TXSTART_INIT (RXSTOP_INIT+1)
// stp TX buffer at end of mem
#define TXSTOP_INIT 0x1FFF
//
// max frame length which the conroller will accept:
#define MAX_FRAMELEN 1500 // (note: maximum ethernet frame length would be 1518)
//#define MAX_FRAMELEN 600
#endif

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/*
mempool.cpp - sleek implementation of a memory pool
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mempool.h"
#include <string.h>
#define POOLOFFSET 1
struct memblock MemoryPool::blocks[MEMPOOL_NUM_MEMBLOCKS+1];
void
MemoryPool::init()
{
memset(&blocks[0], 0, sizeof(blocks));
blocks[POOLSTART].begin = MEMPOOL_STARTADDRESS;
blocks[POOLSTART].size = 0;
blocks[POOLSTART].nextblock = NOBLOCK;
}
memhandle
MemoryPool::allocBlock(memaddress size)
{
memblock* best = NULL;
memhandle cur = POOLSTART;
memblock* block = &blocks[POOLSTART];
memaddress bestsize = MEMPOOL_SIZE + 1;
do
{
memhandle next = block->nextblock;
memaddress freesize = ( next == NOBLOCK ? blocks[POOLSTART].begin + MEMPOOL_SIZE : blocks[next].begin) - block->begin - block->size;
if (freesize == size)
{
best = &blocks[cur];
goto found;
}
if (freesize > size && freesize < bestsize)
{
bestsize = freesize;
best = &blocks[cur];
}
if (next == NOBLOCK)
{
if (best)
goto found;
else
goto collect;
}
block = &blocks[next];
cur = next;
}
while (true);
collect:
{
cur = POOLSTART;
block = &blocks[POOLSTART];
memhandle next;
while ((next = block->nextblock) != NOBLOCK)
{
memaddress dest = block->begin + block->size;
memblock* nextblock = &blocks[next];
memaddress* src = &nextblock->begin;
if (dest != *src)
{
#ifdef MEMPOOL_MEMBLOCK_MV
MEMPOOL_MEMBLOCK_MV(dest,*src,nextblock->size);
#endif
*src = dest;
}
block = nextblock;
}
if (blocks[POOLSTART].begin + MEMPOOL_SIZE - block->begin - block->size >= size)
best = block;
else
goto notfound;
}
found:
{
block = &blocks[POOLOFFSET];
for (cur = POOLOFFSET; cur < MEMPOOL_NUM_MEMBLOCKS + POOLOFFSET; cur++)
{
if (block->size)
{
block++;
continue;
}
memaddress address = best->begin + best->size;
#ifdef MEMBLOCK_ALLOC
MEMBLOCK_ALLOC(address,size);
#endif
block->begin = address;
block->size = size;
block->nextblock = best->nextblock;
best->nextblock = cur;
return cur;
}
}
notfound: return NOBLOCK;
}
void
MemoryPool::freeBlock(memhandle handle)
{
if (handle == NOBLOCK)
return;
memblock *b = &blocks[POOLSTART];
do
{
memhandle next = b->nextblock;
if (next == handle)
{
memblock *f = &blocks[next];
#ifdef MEMBLOCK_FREE
MEMBLOCK_FREE(f->begin,f->size);
#endif
b->nextblock = f->nextblock;
f->size = 0;
f->nextblock = NOBLOCK;
return;
}
if (next == NOBLOCK)
return;
b = &blocks[next];
}
while (true);
}
void
MemoryPool::resizeBlock(memhandle handle, memaddress position)
{
memblock * block = &blocks[handle];
block->begin += position;
block->size -= position;
}
void
MemoryPool::resizeBlock(memhandle handle, memaddress position, memaddress size)
{
memblock * block = &blocks[handle];
block->begin += position;
block->size = size;
}
memaddress
MemoryPool::blockSize(memhandle handle)
{
return blocks[handle].size;
}

54
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/*
mempool.h - sleek implementation of a memory pool
Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
All rights reserved.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MEMPOOL_H
#define MEMPOOL_H
#include <inttypes.h>
#define POOLSTART 0
#define NOBLOCK 0
#include "mempool_conf.h"
struct memblock
{
memaddress begin;
memaddress size;
memhandle nextblock;
};
class MemoryPool
{
#ifdef MEMPOOLTEST_H
friend class MemoryPoolTest;
#endif
protected:
static struct memblock blocks[MEMPOOL_NUM_MEMBLOCKS+1];
public:
static void init();
static memhandle allocBlock(memaddress);
static void freeBlock(memhandle);
static void resizeBlock(memhandle handle, memaddress position);
static void resizeBlock(memhandle handle, memaddress position, memaddress size);
static memaddress blockSize(memhandle);
};
#endif

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#ifndef MEMPOOLCONF_H
#define MEMPOOLCONF_H
#include "uipethernet-conf.h"
extern "C" {
#include "uipopt.h"
#include "enc28j60.h"
}
#include <inttypes.h>
typedef uint16_t memaddress;
typedef uint8_t memhandle;
#if UIP_SOCKET_NUMPACKETS and UIP_CONNS
#define NUM_TCP_MEMBLOCKS (UIP_SOCKET_NUMPACKETS*2)*UIP_CONNS
#else
#define NUM_TCP_MEMBLOCKS 0
#endif
#if UIP_UDP and UIP_UDP_CONNS
#define NUM_UDP_MEMBLOCKS 3*UIP_UDP_CONNS
#else
#define NUM_UDP_MEMBLOCKS 0
#endif
#define MEMPOOL_NUM_MEMBLOCKS (NUM_TCP_MEMBLOCKS+NUM_UDP_MEMBLOCKS)
#define MEMPOOL_STARTADDRESS TXSTART_INIT+1
#define MEMPOOL_SIZE TXSTOP_INIT-TXSTART_INIT
void enc28J60_mempool_block_move_callback(memaddress,memaddress,memaddress);
#define MEMPOOL_MEMBLOCK_MV(dest,src,size) enc28J60_mempool_block_move_callback(dest,src,size)
#endif

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/**
* UIPEthernet Project-specific configuration options
* Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
* @{
*
* uIP has a number of configuration options that can be overridden
* for each project. These are kept in a project-specific uip-conf.h
* file and all configuration names have the prefix UIP_CONF.
*/
/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
*/
#ifndef __UIP_CONF_H__
#define __UIP_CONF_H__
#include <inttypes.h>
#include "uipethernet-conf.h"
/**
* 8 bit datatype
*
* This typedef defines the 8-bit type used throughout uIP.
*
* \hideinitializer
*/
typedef uint8_t u8_t;
/**
* 16 bit datatype
*
* This typedef defines the 16-bit type used throughout uIP.
*
* \hideinitializer
*/
typedef uint16_t u16_t;
/**
* Statistics datatype
*
* This typedef defines the dataype used for keeping statistics in
* uIP.
*
* \hideinitializer
*/
typedef unsigned short uip_stats_t;
/**
* Maximum number of TCP connections.
* (see uipethernet-conf.h)
* \hideinitializer
*
* #define UIP_CONF_MAX_CONNECTIONS 4
*/
/**
* Maximum number of listening TCP ports.
*
* \hideinitializer
*/
#define UIP_CONF_MAX_LISTENPORTS 4
/**
* uIP buffer size.
*
* \hideinitializer
*/
#define UIP_CONF_BUFFER_SIZE 98
//#define UIP_CONF_BUFFER_SIZE 118
/**
* The TCP maximum segment size.
*
* This is should not be to set to more than
* UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN.
*/
#define UIP_CONF_TCP_MSS 512
/**
* The size of the advertised receiver's window.
*
* Should be set low (i.e., to the size of the uip_buf buffer) is the
* application is slow to process incoming data, or high (32768 bytes)
* if the application processes data quickly.
*
* \hideinitializer
*/
#define UIP_CONF_RECEIVE_WINDOW 512
/**
* CPU byte order.
*
* \hideinitializer
*/
#define UIP_CONF_BYTE_ORDER LITTLE_ENDIAN
/**
* Logging on or off
*
* \hideinitializer
*/
#define UIP_CONF_LOGGING 0
/**
* UDP support on or off
* (see uipethernet-conf.h)
* \hideinitializer
*
* #define UIP_CONF_UDP 1
*
* #define UIP_CONF_UDP_CONNS 4
*/
/**
* UDP checksums on or off
*
* \hideinitializer
*/
#define UIP_CONF_UDP_CHECKSUMS 1
/**
* UDP Broadcast (receive) on or off
* (see uipethernet-conf.h)
* \hideinitializer
* #define UIP_CONF_BROADCAST 1
*/
/**
* uIP statistics on or off
*
* \hideinitializer
*/
#define UIP_CONF_STATISTICS 0
// SLIP
//#define UIP_CONF_LLH_LEN 0
typedef void* uip_tcp_appstate_t;
void uipclient_appcall(void);
#define UIP_APPCALL uipclient_appcall
typedef void* uip_udp_appstate_t;
void uipudp_appcall(void);
#define UIP_UDP_APPCALL uipudp_appcall
#define CC_REGISTER_ARG register
#define UIP_ARCH_CHKSUM 1
#endif /* __UIP_CONF_H__ */

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/**
* \addtogroup uip
* {@
*/
/**
* \defgroup uiparch Architecture specific uIP functions
* @{
*
* The functions in the architecture specific module implement the IP
* check sum and 32-bit additions.
*
* The IP checksum calculation is the most computationally expensive
* operation in the TCP/IP stack and it therefore pays off to
* implement this in efficient assembler. The purpose of the uip-arch
* module is to let the checksum functions to be implemented in
* architecture specific assembler.
*
*/
/**
* \file
* Declarations of architecture specific functions.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2001, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arch.h,v 1.2 2006/06/07 09:15:19 adam Exp $
*
*/
#ifndef __UIP_ARCH_H__
#define __UIP_ARCH_H__
#include "uip.h"
/**
* Carry out a 32-bit addition.
*
* Because not all architectures for which uIP is intended has native
* 32-bit arithmetic, uIP uses an external C function for doing the
* required 32-bit additions in the TCP protocol processing. This
* function should add the two arguments and place the result in the
* global variable uip_acc32.
*
* \note The 32-bit integer pointed to by the op32 parameter and the
* result in the uip_acc32 variable are in network byte order (big
* endian).
*
* \param op32 A pointer to a 4-byte array representing a 32-bit
* integer in network byte order (big endian).
*
* \param op16 A 16-bit integer in host byte order.
*/
void uip_add32(u8_t *op32, u16_t op16);
/**
* Calculate the Internet checksum over a buffer.
*
* The Internet checksum is the one's complement of the one's
* complement sum of all 16-bit words in the buffer.
*
* See RFC1071.
*
* \note This function is not called in the current version of uIP,
* but future versions might make use of it.
*
* \param buf A pointer to the buffer over which the checksum is to be
* computed.
*
* \param len The length of the buffer over which the checksum is to
* be computed.
*
* \return The Internet checksum of the buffer.
*/
u16_t uip_chksum(u16_t *buf, u16_t len);
/**
* Calculate the IP header checksum of the packet header in uip_buf.
*
* The IP header checksum is the Internet checksum of the 20 bytes of
* the IP header.
*
* \return The IP header checksum of the IP header in the uip_buf
* buffer.
*/
u16_t uip_ipchksum(void);
/**
* Calculate the TCP checksum of the packet in uip_buf and uip_appdata.
*
* The TCP checksum is the Internet checksum of data contents of the
* TCP segment, and a pseudo-header as defined in RFC793.
*
* \note The uip_appdata pointer that points to the packet data may
* point anywhere in memory, so it is not possible to simply calculate
* the Internet checksum of the contents of the uip_buf buffer.
*
* \return The TCP checksum of the TCP segment in uip_buf and pointed
* to by uip_appdata.
*/
u16_t uip_tcpchksum(void);
u16_t uip_udpchksum(void);
/** @} */
/** @} */
#endif /* __UIP_ARCH_H__ */

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/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uiparp uIP Address Resolution Protocol
* @{
*
* The Address Resolution Protocol ARP is used for mapping between IP
* addresses and link level addresses such as the Ethernet MAC
* addresses. ARP uses broadcast queries to ask for the link level
* address of a known IP address and the host which is configured with
* the IP address for which the query was meant, will respond with its
* link level address.
*
* \note This ARP implementation only supports Ethernet.
*/
/**
* \file
* Implementation of the ARP Address Resolution Protocol.
* \author Adam Dunkels <adam@dunkels.com>
*
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.c,v 1.8 2006/06/02 23:36:21 adam Exp $
*
*/
#include "uip_arp.h"
#include <string.h>
struct arp_hdr {
struct uip_eth_hdr ethhdr;
u16_t hwtype;
u16_t protocol;
u8_t hwlen;
u8_t protolen;
u16_t opcode;
struct uip_eth_addr shwaddr;
u16_t sipaddr[2];
struct uip_eth_addr dhwaddr;
u16_t dipaddr[2];
};
struct ethip_hdr {
struct uip_eth_hdr ethhdr;
/* IP header. */
u8_t vhl,
tos,
len[2],
ipid[2],
ipoffset[2],
ttl,
proto;
u16_t ipchksum;
u16_t srcipaddr[2],
destipaddr[2];
};
#define ARP_REQUEST 1
#define ARP_REPLY 2
#define ARP_HWTYPE_ETH 1
struct arp_entry {
u16_t ipaddr[2];
struct uip_eth_addr ethaddr;
u8_t time;
};
static const struct uip_eth_addr broadcast_ethaddr =
{{0xff,0xff,0xff,0xff,0xff,0xff}};
static const u16_t broadcast_ipaddr[2] = {0xffff,0xffff};
static struct arp_entry arp_table[UIP_ARPTAB_SIZE];
static u16_t ipaddr[2];
static u8_t i, c;
static u8_t arptime;
static u8_t tmpage;
#define BUF ((struct arp_hdr *)&uip_buf[0])
#define IPBUF ((struct ethip_hdr *)&uip_buf[0])
/*-----------------------------------------------------------------------------------*/
/**
* Initialize the ARP module.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_init(void)
{
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
memset(arp_table[i].ipaddr, 0, 4);
}
}
/*-----------------------------------------------------------------------------------*/
/**
* Periodic ARP processing function.
*
* This function performs periodic timer processing in the ARP module
* and should be called at regular intervals. The recommended interval
* is 10 seconds between the calls.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_timer(void)
{
struct arp_entry *tabptr;
++arptime;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if((tabptr->ipaddr[0] | tabptr->ipaddr[1]) != 0 &&
arptime - tabptr->time >= UIP_ARP_MAXAGE) {
memset(tabptr->ipaddr, 0, 4);
}
}
}
/*-----------------------------------------------------------------------------------*/
static void
uip_arp_update(u16_t *ipaddr, struct uip_eth_addr *ethaddr)
{
register struct arp_entry *tabptr;
/* Walk through the ARP mapping table and try to find an entry to
update. If none is found, the IP -> MAC address mapping is
inserted in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
/* Only check those entries that are actually in use. */
if(tabptr->ipaddr[0] != 0 &&
tabptr->ipaddr[1] != 0) {
/* Check if the source IP address of the incoming packet matches
the IP address in this ARP table entry. */
if(ipaddr[0] == tabptr->ipaddr[0] &&
ipaddr[1] == tabptr->ipaddr[1]) {
/* An old entry found, update this and return. */
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
return;
}
}
}
/* If we get here, no existing ARP table entry was found, so we
create one. */
/* First, we try to find an unused entry in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(tabptr->ipaddr[0] == 0 &&
tabptr->ipaddr[1] == 0) {
break;
}
}
/* If no unused entry is found, we try to find the oldest entry and
throw it away. */
if(i == UIP_ARPTAB_SIZE) {
tmpage = 0;
c = 0;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(arptime - tabptr->time > tmpage) {
tmpage = arptime - tabptr->time;
c = i;
}
}
i = c;
tabptr = &arp_table[i];
}
/* Now, i is the ARP table entry which we will fill with the new
information. */
memcpy(tabptr->ipaddr, ipaddr, 4);
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
}
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming IP packets
*
* This function should be called by the device driver when an IP
* packet has been received. The function will check if the address is
* in the ARP cache, and if so the ARP cache entry will be
* refreshed. If no ARP cache entry was found, a new one is created.
*
* This function expects an IP packet with a prepended Ethernet header
* in the uip_buf[] buffer, and the length of the packet in the global
* variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
//#if 0
void
uip_arp_ipin(void)
{
uip_len -= sizeof(struct uip_eth_hdr);
/* Only insert/update an entry if the source IP address of the
incoming IP packet comes from a host on the local network. */
if((IPBUF->srcipaddr[0] & uip_netmask[0]) !=
(uip_hostaddr[0] & uip_netmask[0])) {
return;
}
if((IPBUF->srcipaddr[1] & uip_netmask[1]) !=
(uip_hostaddr[1] & uip_netmask[1])) {
return;
}
uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src));
return;
}
//#endif /* 0 */
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming ARP packets.
*
* This function should be called by the device driver when an ARP
* packet has been received. The function will act differently
* depending on the ARP packet type: if it is a reply for a request
* that we previously sent out, the ARP cache will be filled in with
* the values from the ARP reply. If the incoming ARP packet is an ARP
* request for our IP address, an ARP reply packet is created and put
* into the uip_buf[] buffer.
*
* When the function returns, the value of the global variable uip_len
* indicates whether the device driver should send out a packet or
* not. If uip_len is zero, no packet should be sent. If uip_len is
* non-zero, it contains the length of the outbound packet that is
* present in the uip_buf[] buffer.
*
* This function expects an ARP packet with a prepended Ethernet
* header in the uip_buf[] buffer, and the length of the packet in the
* global variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_arpin(void)
{
if(uip_len < sizeof(struct arp_hdr)) {
uip_len = 0;
return;
}
uip_len = 0;
switch(BUF->opcode) {
case HTONS(ARP_REQUEST):
/* ARP request. If it asked for our address, we send out a
reply. */
if(uip_ipaddr_cmp(BUF->dipaddr, uip_hostaddr)) {
/* First, we register the one who made the request in our ARP
table, since it is likely that we will do more communication
with this host in the future. */
uip_arp_update(BUF->sipaddr, &BUF->shwaddr);
/* The reply opcode is 2. */
BUF->opcode = HTONS(2);
memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6);
BUF->dipaddr[0] = BUF->sipaddr[0];
BUF->dipaddr[1] = BUF->sipaddr[1];
BUF->sipaddr[0] = uip_hostaddr[0];
BUF->sipaddr[1] = uip_hostaddr[1];
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_len = sizeof(struct arp_hdr);
}
break;
case HTONS(ARP_REPLY):
/* ARP reply. We insert or update the ARP table if it was meant
for us. */
if(uip_ipaddr_cmp(BUF->dipaddr, uip_hostaddr)) {
uip_arp_update(BUF->sipaddr, &BUF->shwaddr);
}
break;
}
return;
}
/*-----------------------------------------------------------------------------------*/
/**
* Prepend Ethernet header to an outbound IP packet and see if we need
* to send out an ARP request.
*
* This function should be called before sending out an IP packet. The
* function checks the destination IP address of the IP packet to see
* what Ethernet MAC address that should be used as a destination MAC
* address on the Ethernet.
*
* If the destination IP address is in the local network (determined
* by logical ANDing of netmask and our IP address), the function
* checks the ARP cache to see if an entry for the destination IP
* address is found. If so, an Ethernet header is prepended and the
* function returns. If no ARP cache entry is found for the
* destination IP address, the packet in the uip_buf[] is replaced by
* an ARP request packet for the IP address. The IP packet is dropped
* and it is assumed that they higher level protocols (e.g., TCP)
* eventually will retransmit the dropped packet.
*
* If the destination IP address is not on the local network, the IP
* address of the default router is used instead.
*
* When the function returns, a packet is present in the uip_buf[]
* buffer, and the length of the packet is in the global variable
* uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_out(void)
{
struct arp_entry *tabptr;
/* Find the destination IP address in the ARP table and construct
the Ethernet header. If the destination IP addres isn't on the
local network, we use the default router's IP address instead.
If not ARP table entry is found, we overwrite the original IP
packet with an ARP request for the IP address. */
/* First check if destination is a local broadcast. */
if(uip_ipaddr_cmp(IPBUF->destipaddr, broadcast_ipaddr)) {
memcpy(IPBUF->ethhdr.dest.addr, broadcast_ethaddr.addr, 6);
} else {
/* Check if the destination address is on the local network. */
if(!uip_ipaddr_maskcmp(IPBUF->destipaddr, uip_hostaddr, uip_netmask)) {
/* Destination address was not on the local network, so we need to
use the default router's IP address instead of the destination
address when determining the MAC address. */
uip_ipaddr_copy(ipaddr, uip_draddr);
} else {
/* Else, we use the destination IP address. */
uip_ipaddr_copy(ipaddr, IPBUF->destipaddr);
}
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(ipaddr, tabptr->ipaddr)) {
break;
}
}
if(i == UIP_ARPTAB_SIZE) {
/* The destination address was not in our ARP table, so we
overwrite the IP packet with an ARP request. */
memset(BUF->ethhdr.dest.addr, 0xff, 6);
memset(BUF->dhwaddr.addr, 0x00, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
uip_ipaddr_copy(BUF->dipaddr, ipaddr);
uip_ipaddr_copy(BUF->sipaddr, uip_hostaddr);
BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */
BUF->hwtype = HTONS(ARP_HWTYPE_ETH);
BUF->protocol = HTONS(UIP_ETHTYPE_IP);
BUF->hwlen = 6;
BUF->protolen = 4;
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_appdata = &uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN];
uip_len = sizeof(struct arp_hdr);
return;
}
/* Build an ethernet header. */
memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6);
}
memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP);
uip_len += sizeof(struct uip_eth_hdr);
}
/*-----------------------------------------------------------------------------------*/
/** @} */
/** @} */

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/**
* \addtogroup uip
* @{
*/
/**
* \addtogroup uiparp
* @{
*/
/**
* \file
* Macros and definitions for the ARP module.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.h,v 1.5 2006/06/11 21:46:39 adam Exp $
*
*/
#ifndef __UIP_ARP_H__
#define __UIP_ARP_H__
#include "uip.h"
extern struct uip_eth_addr uip_ethaddr;
/**
* The Ethernet header.
*/
struct uip_eth_hdr {
struct uip_eth_addr dest;
struct uip_eth_addr src;
u16_t type;
};
#define UIP_ETHTYPE_ARP 0x0806
#define UIP_ETHTYPE_IP 0x0800
#define UIP_ETHTYPE_IP6 0x86dd
/* The uip_arp_init() function must be called before any of the other
ARP functions. */
void uip_arp_init(void);
/* The uip_arp_ipin() function should be called whenever an IP packet
arrives from the Ethernet. This function refreshes the ARP table or
inserts a new mapping if none exists. The function assumes that an
IP packet with an Ethernet header is present in the uip_buf buffer
and that the length of the packet is in the uip_len variable. */
void uip_arp_ipin(void);
//#define uip_arp_ipin()
/* The uip_arp_arpin() should be called when an ARP packet is received
by the Ethernet driver. This function also assumes that the
Ethernet frame is present in the uip_buf buffer. When the
uip_arp_arpin() function returns, the contents of the uip_buf
buffer should be sent out on the Ethernet if the uip_len variable
is > 0. */
void uip_arp_arpin(void);
/* The uip_arp_out() function should be called when an IP packet
should be sent out on the Ethernet. This function creates an
Ethernet header before the IP header in the uip_buf buffer. The
Ethernet header will have the correct Ethernet MAC destination
address filled in if an ARP table entry for the destination IP
address (or the IP address of the default router) is present. If no
such table entry is found, the IP packet is overwritten with an ARP
request and we rely on TCP to retransmit the packet that was
overwritten. In any case, the uip_len variable holds the length of
the Ethernet frame that should be transmitted. */
void uip_arp_out(void);
/* The uip_arp_timer() function should be called every ten seconds. It
is responsible for flushing old entries in the ARP table. */
void uip_arp_timer(void);
/** @} */
/**
* \addtogroup uipconffunc
* @{
*/
/**
* Specifiy the Ethernet MAC address.
*
* The ARP code needs to know the MAC address of the Ethernet card in
* order to be able to respond to ARP queries and to generate working
* Ethernet headers.
*
* \note This macro only specifies the Ethernet MAC address to the ARP
* code. It cannot be used to change the MAC address of the Ethernet
* card.
*
* \param eaddr A pointer to a struct uip_eth_addr containing the
* Ethernet MAC address of the Ethernet card.
*
* \hideinitializer
*/
#define uip_setethaddr(eaddr) do {uip_ethaddr.addr[0] = eaddr.addr[0]; \
uip_ethaddr.addr[1] = eaddr.addr[1];\
uip_ethaddr.addr[2] = eaddr.addr[2];\
uip_ethaddr.addr[3] = eaddr.addr[3];\
uip_ethaddr.addr[4] = eaddr.addr[4];\
uip_ethaddr.addr[5] = eaddr.addr[5];} while(0)
/** @} */
/** @} */
#endif /* __UIP_ARP_H__ */

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/**
* \defgroup clock Clock interface
*
* The clock interface is the interface between the \ref timer "timer library"
* and the platform specific clock functionality. The clock
* interface must be implemented for each platform that uses the \ref
* timer "timer library".
*
* The clock interface does only one this: it measures time. The clock
* interface provides a macro, CLOCK_SECOND, which corresponds to one
* second of system time.
*
* \sa \ref timer "Timer library"
*
* @{
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: clock.h,v 1.3 2006/06/11 21:46:39 adam Exp $
*/
#ifndef __UIP_CLOCK_H__
#define __UIP_CLOCK_H__
#include "clock-arch.h"
/**
* Initialize the clock library.
*
* This function initializes the clock library and should be called
* from the main() function of the system.
*
*/
void uip_clock_init(void);
/**
* Get the current clock time.
*
* This function returns the current system clock time.
*
* \return The current clock time, measured in system ticks.
*/
clock_time_t clock_time(void);
/**
* A second, measured in system clock time.
*
* \hideinitializer
*/
#ifdef CLOCK_CONF_SECOND
#define CLOCK_SECOND CLOCK_CONF_SECOND
#else
#define CLOCK_SECOND (clock_time_t)32
#endif
#endif /* __CLOCK_H__ */
/** @} */

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#include <Arduino.h>
#include <HardwareSerial.h>
#include <inttypes.h>
#include <utility/uip_debug.h>
extern "C" {
#import "utility/uip.h"
}
struct uip_conn con[UIP_CONNS];
void
UIPDebug::uip_debug_printconns()
{
for(uint8_t i=0;i<UIP_CONNS;i++)
{
if (uip_debug_printcon(&con[i],&uip_conns[i]))
{
Serial.print("connection[");
Serial.print(i);
Serial.println("] changed.");
}
}
}
bool
UIPDebug::uip_debug_printcon(struct uip_conn *lhs,struct uip_conn *rhs)
{
bool changed = false;
if (!uip_ipaddr_cmp(lhs->ripaddr,rhs->ripaddr))
{
Serial.print(" ripaddr: ");
uip_debug_printbytes((const uint8_t *)lhs->ripaddr,4);
Serial.print(" -> ");
uip_debug_printbytes((const uint8_t *)rhs->ripaddr,4);
Serial.println();
uip_ipaddr_copy(lhs->ripaddr,rhs->ripaddr);
changed = true;
}
if (lhs->lport != rhs->lport)
{
Serial.print(" lport: ");
Serial.print(htons(lhs->lport));
Serial.print(" -> ");
Serial.println(htons(rhs->lport));
lhs->lport = rhs->lport;
changed = true;
}
if (lhs->rport != rhs->rport)
{
Serial.print(" rport: ");
Serial.print(htons(lhs->rport));
Serial.print(" -> ");
Serial.println(htons(rhs->rport));
lhs->rport = rhs->rport;
changed = true;
}
if ((uint32_t)lhs->rcv_nxt[0] != (uint32_t)rhs->rcv_nxt[0])
{
Serial.print(" rcv_nxt: ");
uip_debug_printbytes(lhs->rcv_nxt,4);
Serial.print(" -> ");
uip_debug_printbytes(rhs->rcv_nxt,4);
*((uint32_t *)&lhs->rcv_nxt[0]) = (uint32_t)rhs->rcv_nxt[0];
Serial.println();
changed = true;
}
if ((uint32_t)lhs->snd_nxt[0] != (uint32_t)rhs->snd_nxt[0])
{
Serial.print(" snd_nxt: ");
uip_debug_printbytes(lhs->snd_nxt,4);
Serial.print(" -> ");
uip_debug_printbytes(rhs->snd_nxt,4);
*((uint32_t *)&lhs->snd_nxt[0]) = (uint32_t)rhs->snd_nxt[0];
Serial.println();
changed = true;
}
if (lhs->len != rhs->len)
{
Serial.print(" len: ");
Serial.print(lhs->len);
Serial.print(" -> ");
Serial.println(rhs->len);
lhs->len = rhs->len;
changed = true;
}
if (lhs->mss != rhs->mss)
{
Serial.print(" mss: ");
Serial.print(lhs->mss);
Serial.print(" -> ");
Serial.println(rhs->mss);
lhs->mss = rhs->mss;
changed = true;
}
if (lhs->initialmss != rhs->initialmss)
{
Serial.print(" initialmss: ");
Serial.print(lhs->initialmss);
Serial.print(" -> ");
Serial.println(rhs->initialmss);
lhs->initialmss = rhs->initialmss;
changed = true;
}
if (lhs->sa != rhs->sa)
{
Serial.print(" sa: ");
Serial.print(lhs->sa);
Serial.print(" -> ");
Serial.println(rhs->sa);
lhs->sa = rhs->sa;
changed = true;
}
if (lhs->sv != rhs->sv)
{
Serial.print(" sv: ");
Serial.print(lhs->sv);
Serial.print(" -> ");
Serial.println(rhs->sv);
lhs->sv = rhs->sv;
changed = true;
}
if (lhs->rto != rhs->rto)
{
Serial.print(" rto: ");
Serial.print(lhs->rto);
Serial.print(" -> ");
Serial.println(rhs->rto);
lhs->rto = rhs->rto;
changed = true;
}
if (lhs->tcpstateflags != rhs->tcpstateflags)
{
Serial.print(" tcpstateflags: ");
Serial.print(lhs->tcpstateflags);
Serial.print(" -> ");
Serial.println(rhs->tcpstateflags);
lhs->tcpstateflags = rhs->tcpstateflags;
changed = true;
}
if (lhs->timer != rhs->timer)
{
Serial.print(" timer: ");
Serial.print(lhs->timer);
Serial.print(" -> ");
Serial.println(rhs->timer);
lhs->timer = rhs->timer;
changed = true;
}
if (lhs->nrtx != rhs->nrtx)
{
Serial.print(" nrtx: ");
Serial.print(lhs->nrtx);
Serial.print(" -> ");
Serial.println(rhs->nrtx);
lhs->nrtx = rhs->nrtx;
changed = true;
}
return changed;
}
void
UIPDebug::uip_debug_printbytes(const uint8_t *data, uint8_t len)
{
for(uint8_t i=0;i<len;i++)
{
Serial.print(data[i]);
if (i<len-1)
Serial.print(",");
}
}

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#ifndef UIP_DEBUG_H
#define UIP_DEBUG_H
extern "C" {
#import "utility/uip.h"
}
class UIPDebug {
public:
static void uip_debug_printconns();
static bool uip_debug_printcon(struct uip_conn *lhs,struct uip_conn *rhs);
static void uip_debug_printbytes(const uint8_t *data, uint8_t len);
};
#endif

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/**
* \addtogroup timer
* @{
*/
/**
* \file
* Timer library implementation.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.c,v 1.2 2006/06/12 08:00:30 adam Exp $
*/
#include "uip_clock.h"
#include "uip_timer.h"
/*---------------------------------------------------------------------------*/
/**
* Set a timer.
*
* This function is used to set a timer for a time sometime in the
* future. The function timer_expired() will evaluate to true after
* the timer has expired.
*
* \param t A pointer to the timer
* \param interval The interval before the timer expires.
*
*/
void
uip_timer_set(struct uip_timer *t, clock_time_t interval)
{
t->interval = interval;
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Reset the timer with the same interval.
*
* This function resets the timer with the same interval that was
* given to the timer_set() function. The start point of the interval
* is the exact time that the timer last expired. Therefore, this
* function will cause the timer to be stable over time, unlike the
* timer_rester() function.
*
* \param t A pointer to the timer.
*
* \sa timer_restart()
*/
void
uip_timer_reset(struct uip_timer *t)
{
t->start += t->interval;
}
/*---------------------------------------------------------------------------*/
/**
* Restart the timer from the current point in time
*
* This function restarts a timer with the same interval that was
* given to the timer_set() function. The timer will start at the
* current time.
*
* \note A periodic timer will drift if this function is used to reset
* it. For preioric timers, use the timer_reset() function instead.
*
* \param t A pointer to the timer.
*
* \sa timer_reset()
*/
void
uip_timer_restart(struct uip_timer *t)
{
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Check if a timer has expired.
*
* This function tests if a timer has expired and returns true or
* false depending on its status.
*
* \param t A pointer to the timer
*
* \return Non-zero if the timer has expired, zero otherwise.
*
*/
int
uip_timer_expired(struct uip_timer *t)
{
return (clock_time_t)(clock_time() - t->start) >= (clock_time_t)t->interval;
}
/*---------------------------------------------------------------------------*/
/** @} */

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/**
* \defgroup timer Timer library
*
* The timer library provides functions for setting, resetting and
* restarting timers, and for checking if a timer has expired. An
* application must "manually" check if its timers have expired; this
* is not done automatically.
*
* A timer is declared as a \c struct \c timer and all access to the
* timer is made by a pointer to the declared timer.
*
* \note The timer library uses the \ref clock "Clock library" to
* measure time. Intervals should be specified in the format used by
* the clock library.
*
* @{
*/
/**
* \file
* Timer library header file.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.h,v 1.3 2006/06/11 21:46:39 adam Exp $
*/
#ifndef __UIP_TIMER_H__
#define __UIP_TIMER_H__
#include "uip_clock.h"
/**
* A timer.
*
* This structure is used for declaring a timer. The timer must be set
* with timer_set() before it can be used.
*
* \hideinitializer
*/
struct uip_timer {
clock_time_t start;
clock_time_t interval;
};
void uip_timer_set(struct uip_timer *t, clock_time_t interval);
void uip_timer_reset(struct uip_timer *t);
void uip_timer_restart(struct uip_timer *t);
int uip_timer_expired(struct uip_timer *t);
#endif /* __UIP_TIMER_H__ */
/** @} */

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#ifndef UIPETHERNET_CONF_H
#define UIPETHERNET_CONF_H
/* for TCP */
#define UIP_SOCKET_NUMPACKETS 5
#define UIP_CONF_MAX_CONNECTIONS 4
/* for UDP
* set UIP_CONF_UDP to 0 to disable UDP (saves aprox. 5kb flash) */
#define UIP_CONF_UDP 1
#define UIP_CONF_BROADCAST 1
#define UIP_CONF_UDP_CONNS 4
/* number of attempts on write before returning number of bytes sent so far
* set to -1 to block until connection is closed by timeout */
#define UIP_ATTEMPTS_ON_WRITE -1
/* timeout after which UIPClient::connect gives up. The timeout is specified in seconds.
* if set to a number <= 0 connect will timeout when uIP does (which might be longer than you expect...) */
#define UIP_CONNECT_TIMEOUT -1
/* periodic timer for uip (in ms) */
#define UIP_PERIODIC_TIMER 250
/* timer to poll client for data after last write (in ms)
* set to -1 to disable fast polling and rely on periodic only (saves 100 bytes flash) */
#define UIP_CLIENT_TIMER 10
#endif

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/**
* \defgroup uipopt Configuration options for uIP
* @{
*
* uIP is configured using the per-project configuration file
* uipopt.h. This file contains all compile-time options for uIP and
* should be tweaked to match each specific project. The uIP
* distribution contains a documented example "uipopt.h" that can be
* copied and modified for each project.
*
* \note Most of the configuration options in the uipopt.h should not
* be changed, but rather the per-project uip-conf.h file.
*/
/**
* \file
* Configuration options for uIP.
* \author Adam Dunkels <adam@dunkels.com>
*
* This file is used for tweaking various configuration options for
* uIP. You should make a copy of this file into one of your project's
* directories instead of editing this example "uipopt.h" file that
* comes with the uIP distribution.
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uipopt.h,v 1.4 2006/06/12 08:00:31 adam Exp $
*
*/
#ifndef __UIPOPT_H__
#define __UIPOPT_H__
#ifndef UIP_LITTLE_ENDIAN
#define UIP_LITTLE_ENDIAN 3412
#endif /* UIP_LITTLE_ENDIAN */
#ifndef UIP_BIG_ENDIAN
#define UIP_BIG_ENDIAN 1234
#endif /* UIP_BIG_ENDIAN */
#include "uip-conf.h"
/*------------------------------------------------------------------------------*/
/**
* \name Static configuration options
* @{
*
* These configuration options can be used for setting the IP address
* settings statically, but only if UIP_FIXEDADDR is set to 1. The
* configuration options for a specific node includes IP address,
* netmask and default router as well as the Ethernet address. The
* netmask, default router and Ethernet address are appliciable only
* if uIP should be run over Ethernet.
*
* All of these should be changed to suit your project.
*/
/**
* Determines if uIP should use a fixed IP address or not.
*
* If uIP should use a fixed IP address, the settings are set in the
* uipopt.h file. If not, the macros uip_sethostaddr(),
* uip_setdraddr() and uip_setnetmask() should be used instead.
*
* \hideinitializer
*/
#define UIP_FIXEDADDR 0
/**
* Ping IP address asignment.
*
* uIP uses a "ping" packets for setting its own IP address if this
* option is set. If so, uIP will start with an empty IP address and
* the destination IP address of the first incoming "ping" (ICMP echo)
* packet will be used for setting the hosts IP address.
*
* \note This works only if UIP_FIXEDADDR is 0.
*
* \hideinitializer
*/
#ifdef UIP_CONF_PINGADDRCONF
#define UIP_PINGADDRCONF UIP_CONF_PINGADDRCONF
#else /* UIP_CONF_PINGADDRCONF */
#define UIP_PINGADDRCONF 0
#endif /* UIP_CONF_PINGADDRCONF */
/**
* Specifies if the uIP ARP module should be compiled with a fixed
* Ethernet MAC address or not.
*
* If this configuration option is 0, the macro uip_setethaddr() can
* be used to specify the Ethernet address at run-time.
*
* \hideinitializer
*/
#define UIP_FIXEDETHADDR 0
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name IP configuration options
* @{
*
*/
/**
* The IP TTL (time to live) of IP packets sent by uIP.
*
* This should normally not be changed.
*/
#define UIP_TTL 64
/**
* Turn on support for IP packet reassembly.
*
* uIP supports reassembly of fragmented IP packets. This features
* requires an additonal amount of RAM to hold the reassembly buffer
* and the reassembly code size is approximately 700 bytes. The
* reassembly buffer is of the same size as the uip_buf buffer
* (configured by UIP_BUFSIZE).
*
* \note IP packet reassembly is not heavily tested.
*
* \hideinitializer
*/
#define UIP_REASSEMBLY 0
/**
* The maximum time an IP fragment should wait in the reassembly
* buffer before it is dropped.
*
*/
#define UIP_REASS_MAXAGE 40
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name UDP configuration options
* @{
*/
/**
* Toggles wether UDP support should be compiled in or not.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP
#define UIP_UDP UIP_CONF_UDP
#else /* UIP_CONF_UDP */
#define UIP_UDP 0
#endif /* UIP_CONF_UDP */
/**
* Toggles if UDP checksums should be used or not.
*
* \note Support for UDP checksums is currently not included in uIP,
* so this option has no function.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP_CHECKSUMS
#define UIP_UDP_CHECKSUMS UIP_CONF_UDP_CHECKSUMS
#else
#define UIP_UDP_CHECKSUMS 0
#endif
/**
* The maximum amount of concurrent UDP connections.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP_CONNS
#define UIP_UDP_CONNS UIP_CONF_UDP_CONNS
#else /* UIP_CONF_UDP_CONNS */
#define UIP_UDP_CONNS 10
#endif /* UIP_CONF_UDP_CONNS */
/**
* The name of the function that should be called when UDP datagrams arrive.
*
* \hideinitializer
*/
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name TCP configuration options
* @{
*/
/**
* Determines if support for opening connections from uIP should be
* compiled in.
*
* If the applications that are running on top of uIP for this project
* do not need to open outgoing TCP connections, this configration
* option can be turned off to reduce the code size of uIP.
*
* \hideinitializer
*/
#define UIP_ACTIVE_OPEN 1
/**
* The maximum number of simultaneously open TCP connections.
*
* Since the TCP connections are statically allocated, turning this
* configuration knob down results in less RAM used. Each TCP
* connection requires approximatly 30 bytes of memory.
*
* \hideinitializer
*/
#ifndef UIP_CONF_MAX_CONNECTIONS
#define UIP_CONNS 10
#else /* UIP_CONF_MAX_CONNECTIONS */
#define UIP_CONNS UIP_CONF_MAX_CONNECTIONS
#endif /* UIP_CONF_MAX_CONNECTIONS */
/**
* The maximum number of simultaneously listening TCP ports.
*
* Each listening TCP port requires 2 bytes of memory.
*
* \hideinitializer
*/
#ifndef UIP_CONF_MAX_LISTENPORTS
#define UIP_LISTENPORTS 20
#else /* UIP_CONF_MAX_LISTENPORTS */
#define UIP_LISTENPORTS UIP_CONF_MAX_LISTENPORTS
#endif /* UIP_CONF_MAX_LISTENPORTS */
/**
* Determines if support for TCP urgent data notification should be
* compiled in.
*
* Urgent data (out-of-band data) is a rarely used TCP feature that
* very seldom would be required.
*
* \hideinitializer
*/
#define UIP_URGDATA 0
/**
* The initial retransmission timeout counted in timer pulses.
*
* This should not be changed.
*/
#define UIP_RTO 3
/**
* The maximum number of times a segment should be retransmitted
* before the connection should be aborted.
*
* This should not be changed.
*/
#define UIP_MAXRTX 8
/**
* The maximum number of times a SYN segment should be retransmitted
* before a connection request should be deemed to have been
* unsuccessful.
*
* This should not need to be changed.
*/
#define UIP_MAXSYNRTX 5
/**
* The TCP maximum segment size.
*
* This is should not be to set to more than
* UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN.
*/
#ifndef UIP_CONF_TCP_MSS
#define UIP_TCP_MSS (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
#else
#define UIP_TCP_MSS UIP_CONF_TCP_MSS
#endif
/**
* The size of the advertised receiver's window.
*
* Should be set low (i.e., to the size of the uip_buf buffer) is the
* application is slow to process incoming data, or high (32768 bytes)
* if the application processes data quickly.
*
* \hideinitializer
*/
#ifndef UIP_CONF_RECEIVE_WINDOW
#define UIP_RECEIVE_WINDOW UIP_TCP_MSS
#else
#define UIP_RECEIVE_WINDOW UIP_CONF_RECEIVE_WINDOW
#endif
/**
* How long a connection should stay in the TIME_WAIT state.
*
* This configiration option has no real implication, and it should be
* left untouched.
*/
#define UIP_TIME_WAIT_TIMEOUT 120
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name ARP configuration options
* @{
*/
/**
* The size of the ARP table.
*
* This option should be set to a larger value if this uIP node will
* have many connections from the local network.
*
* \hideinitializer
*/
#ifdef UIP_CONF_ARPTAB_SIZE
#define UIP_ARPTAB_SIZE UIP_CONF_ARPTAB_SIZE
#else
#define UIP_ARPTAB_SIZE 8
#endif
/**
* The maxium age of ARP table entries measured in 10ths of seconds.
*
* An UIP_ARP_MAXAGE of 120 corresponds to 20 minutes (BSD
* default).
*/
#define UIP_ARP_MAXAGE 120
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name General configuration options
* @{
*/
/**
* The size of the uIP packet buffer.
*
* The uIP packet buffer should not be smaller than 60 bytes, and does
* not need to be larger than 1500 bytes. Lower size results in lower
* TCP throughput, larger size results in higher TCP throughput.
*
* \hideinitializer
*/
#ifndef UIP_CONF_BUFFER_SIZE
#define UIP_BUFSIZE 400
#else /* UIP_CONF_BUFFER_SIZE */
#define UIP_BUFSIZE UIP_CONF_BUFFER_SIZE
#endif /* UIP_CONF_BUFFER_SIZE */
/**
* Determines if statistics support should be compiled in.
*
* The statistics is useful for debugging and to show the user.
*
* \hideinitializer
*/
#ifndef UIP_CONF_STATISTICS
#define UIP_STATISTICS 0
#else /* UIP_CONF_STATISTICS */
#define UIP_STATISTICS UIP_CONF_STATISTICS
#endif /* UIP_CONF_STATISTICS */
/**
* Determines if logging of certain events should be compiled in.
*
* This is useful mostly for debugging. The function uip_log()
* must be implemented to suit the architecture of the project, if
* logging is turned on.
*
* \hideinitializer
*/
#ifndef UIP_CONF_LOGGING
#define UIP_LOGGING 0
#else /* UIP_CONF_LOGGING */
#define UIP_LOGGING UIP_CONF_LOGGING
#endif /* UIP_CONF_LOGGING */
/**
* Broadcast support.
*
* This flag configures IP broadcast support. This is useful only
* together with UDP.
*
* \hideinitializer
*
*/
#if UIP_UDP && UIP_CONF_BROADCAST
#define UIP_BROADCAST UIP_CONF_BROADCAST
#else /* UIP_CONF_BROADCAST */
#define UIP_BROADCAST 0
#endif /* UIP_CONF_BROADCAST */
/**
* Print out a uIP log message.
*
* This function must be implemented by the module that uses uIP, and
* is called by uIP whenever a log message is generated.
*/
void uip_log(char *msg);
/**
* The link level header length.
*
* This is the offset into the uip_buf where the IP header can be
* found. For Ethernet, this should be set to 14. For SLIP, this
* should be set to 0.
*
* \hideinitializer
*/
#ifdef UIP_CONF_LLH_LEN
#define UIP_LLH_LEN UIP_CONF_LLH_LEN
#else /* UIP_CONF_LLH_LEN */
#define UIP_LLH_LEN 14
#endif /* UIP_CONF_LLH_LEN */
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name CPU architecture configuration
* @{
*
* The CPU architecture configuration is where the endianess of the
* CPU on which uIP is to be run is specified. Most CPUs today are
* little endian, and the most notable exception are the Motorolas
* which are big endian. The BYTE_ORDER macro should be changed to
* reflect the CPU architecture on which uIP is to be run.
*/
/**
* The byte order of the CPU architecture on which uIP is to be run.
*
* This option can be either BIG_ENDIAN (Motorola byte order) or
* LITTLE_ENDIAN (Intel byte order).
*
* \hideinitializer
*/
#ifdef UIP_CONF_BYTE_ORDER
#define UIP_BYTE_ORDER UIP_CONF_BYTE_ORDER
#else /* UIP_CONF_BYTE_ORDER */
#define UIP_BYTE_ORDER UIP_LITTLE_ENDIAN
#endif /* UIP_CONF_BYTE_ORDER */
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \name Appication specific configurations
* @{
*
* An uIP application is implemented using a single application
* function that is called by uIP whenever a TCP/IP event occurs. The
* name of this function must be registered with uIP at compile time
* using the UIP_APPCALL definition.
*
* uIP applications can store the application state within the
* uip_conn structure by specifying the type of the application
* structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.
*
* The file containing the definitions must be included in the
* uipopt.h file.
*
* The following example illustrates how this can look.
\code
void httpd_appcall(void);
#define UIP_APPCALL httpd_appcall
struct httpd_state {
u8_t state;
u16_t count;
char *dataptr;
char *script;
};
typedef struct httpd_state uip_tcp_appstate_t
\endcode
*/
/**
* \var #define UIP_APPCALL
*
* The name of the application function that uIP should call in
* response to TCP/IP events.
*
*/
/**
* \var typedef uip_tcp_appstate_t
*
* The type of the application state that is to be stored in the
* uip_conn structure. This usually is typedef:ed to a struct holding
* application state information.
*/
/**
* \var typedef uip_udp_appstate_t
*
* The type of the application state that is to be stored in the
* uip_conn structure. This usually is typedef:ed to a struct holding
* application state information.
*/
/** @} */
/** @} */
#endif /* __UIPOPT_H__ */

13
STM32F4/libraries/arduino_uip/utility/util.h Normal file
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@ -0,0 +1,13 @@
#ifndef UTIL_H
#define UTIL_H
#define htons(x) ( ((x)<< 8 & 0xFF00) | ((x)>> 8 & 0x00FF) )
#define ntohs(x) htons(x)
#define htonl(x) ( ((x)<<24 & 0xFF000000UL) | \
((x)<< 8 & 0x00FF0000UL) | \
((x)>> 8 & 0x0000FF00UL) | \
((x)>>24 & 0x000000FFUL) )
#define ntohl(x) htonl(x)
#endif

12
STM32F4/variants/discovery_f407/discovery_f4.cpp
View File

@ -61,9 +61,19 @@ void boardInit(void) {
gpio_set_af_mode(GPIOB, 0, 2);
gpio_set_af_mode(GPIOB, 1, 2);
//gpio_set_af_mode(GPIOA, 2, 7);
//gpio_set_af_mode(GPIOA, 3, 7);
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
// PA8 Output the Master Clock MCO1
gpio_set_af_mode(GPIOA, 8, 0);
// PB4 as alternate MISO Input
gpio_set_af_mode(GPIOB, 4, 5);
// PA5 as alternate SCK Output
gpio_set_af_mode(GPIOA, 5, 5);
// PA7 as alternate MOSI Output
gpio_set_af_mode(GPIOA, 7, 5);
#endif
return;
}

12
STM32F4/variants/discovery_f407/discovery_f4.h
View File

@ -63,9 +63,17 @@
#define BOARD_UART5_RX_PIN Port2Pin('D', 2)
#define BOARD_NR_SPI 3
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
#define BOARD_SPI1_NSS_PIN Port2Pin('C', 8)
#else
#define BOARD_SPI1_NSS_PIN Port2Pin('A', 4)
#endif
#define BOARD_SPI1_MOSI_PIN Port2Pin('A', 7)
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
#define BOARD_SPI1_MISO_PIN Port2Pin('B', 4)
#else
#define BOARD_SPI1_MISO_PIN Port2Pin('A', 6)
#endif
#define BOARD_SPI1_SCK_PIN Port2Pin('A', 5)
#define BOARD_SPI2_NSS_PIN Port2Pin('B',12)
#define BOARD_SPI2_MOSI_PIN Port2Pin('B',15)
@ -76,7 +84,11 @@
#define BOARD_SPI3_MISO_PIN Port2Pin('B', 4)
#define BOARD_SPI3_SCK_PIN Port2Pin('B', 3)
#ifdef ARDUINO_STM32F4_NETDUINO2PLUS
#define BOARD_SPI3B_NSS_PIN Port2Pin('B', 0)
#else
#define BOARD_SPI3B_NSS_PIN Port2Pin('B', 8)
#endif
#define BOARD_SPI3B_MOSI_PIN Port2Pin('C',12)
#define BOARD_SPI3B_MISO_PIN Port2Pin('C',11)
#define BOARD_SPI3B_SCK_PIN Port2Pin('C',10)

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@ -0,0 +1,851 @@
Copyright (c) 2002-2004 Stephan Meyer, <ste_meyer@web.de>
Copyright (c) 2000-2004 Johannes Erdfelt, <johannes@erdfelt.com>
Copyright (c) 2000-2004 Thomas Sailer, <sailer@ife.ee.ethz.ch>
Copyright (c) 2010 Travis Robinson, <libusbdotnet@gmail.com>
This software is distributed under the following licenses:
Driver: GNU General Public License (GPL)
Library, Test Files, Installer: GNU Lesser General Public License (LGPL)
***********************************************************************
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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The licenses for most software and other practical works are designed
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When we speak of free software, we are referring to freedom, not
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However, if you cease all violation of this License, then your
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Moreover, your license from a particular copyright holder is
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Termination of your rights under this section does not terminate the
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9. Acceptance Not Required for Having Copies.
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occurring solely as a consequence of using peer-to-peer transmission
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You may not impose any further restrictions on the exercise of the
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available, or (2) arrange to deprive yourself of the benefit of the
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consistent with the requirements of this License, to extend the patent
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in a country, would infringe one or more identifiable patents in that
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or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
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not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
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but the special requirements of the GNU Affero General Public License,
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14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
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by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
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Later license versions may give you additional or different
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author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
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17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
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License, supplemented by the additional permissions listed below.
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As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
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"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.
An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
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A "Combined Work" is a work produced by combining or linking an
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Corresponding Source for the Combined Work, excluding any source code
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The "Corresponding Application Code" for a Combined Work means the
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and utility programs needed for reproducing the Combined Work from the
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1. Exception to Section 3 of the GNU GPL.
You may convey a covered work under sections 3 and 4 of this License
without being bound by section 3 of the GNU GPL.
2. Conveying Modified Versions.
If you modify a copy of the Library, and, in your modifications, a
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ensure that, in the event an Application does not supply the
function or data, the facility still operates, and performs
whatever part of its purpose remains meaningful, or
b) under the GNU GPL, with none of the additional permissions of
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The object code form of an Application may incorporate material from
a header file that is part of the Library. You may convey such object
code under terms of your choice, provided that, if the incorporated
material is not limited to numerical parameters, data structure
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a) Give prominent notice with each copy of the object code that the
Library is used in it and that the Library and its use are
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b) Accompany the object code with a copy of the GNU GPL and this license
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You may convey a Combined Work under terms of your choice that,
taken together, effectively do not restrict modification of the
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the Library is used in it and that the Library and its use are
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b) Accompany the Combined Work with a copy of the GNU GPL and this license
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these notices, as well as a reference directing the user to the
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d) Do one of the following:
0) Convey the Minimal Corresponding Source under the terms of this
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Library side by side in a single library together with other library
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b) Give prominent notice with the combined library that part of it
is a work based on the Library, and explaining where to find the
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6. Revised Versions of the GNU Lesser General Public License.
The Free Software Foundation may publish revised and/or new versions
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versions will be similar in spirit to the present version, but may
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