Merge branch 'ide-1.5.x' into dev-ide-1.5.x-discovery
Conflicts: hardware/arduino/avr/cores/arduino/USBCore.cpp
This commit is contained in:
commit
acb3df6d43
13
boards.txt
13
boards.txt
|
@ -233,10 +233,11 @@ leonardo.build.mcu=atmega32u4
|
||||||
leonardo.build.f_cpu=16000000L
|
leonardo.build.f_cpu=16000000L
|
||||||
leonardo.build.vid=0x2341
|
leonardo.build.vid=0x2341
|
||||||
leonardo.build.pid=0x8036
|
leonardo.build.pid=0x8036
|
||||||
|
leonardo.build.usb_product="Arduino Leonardo"
|
||||||
leonardo.build.board=AVR_LEONARDO
|
leonardo.build.board=AVR_LEONARDO
|
||||||
leonardo.build.core=arduino
|
leonardo.build.core=arduino
|
||||||
leonardo.build.variant=leonardo
|
leonardo.build.variant=leonardo
|
||||||
leonardo.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid}
|
leonardo.build.extra_flags={build.usb_flags}
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||||||
|
|
||||||
##############################################################
|
##############################################################
|
||||||
|
|
||||||
|
@ -262,10 +263,11 @@ micro.build.mcu=atmega32u4
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||||||
micro.build.f_cpu=16000000L
|
micro.build.f_cpu=16000000L
|
||||||
micro.build.vid=0x2341
|
micro.build.vid=0x2341
|
||||||
micro.build.pid=0x8037
|
micro.build.pid=0x8037
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||||||
|
micro.build.usb_product="Arduino Micro"
|
||||||
micro.build.board=AVR_MICRO
|
micro.build.board=AVR_MICRO
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||||||
micro.build.core=arduino
|
micro.build.core=arduino
|
||||||
micro.build.variant=micro
|
micro.build.variant=micro
|
||||||
micro.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid}
|
micro.build.extra_flags={build.usb_flags}
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||||||
|
|
||||||
##############################################################
|
##############################################################
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||||||
|
|
||||||
|
@ -295,10 +297,11 @@ esplora.build.mcu=atmega32u4
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||||||
esplora.build.f_cpu=16000000L
|
esplora.build.f_cpu=16000000L
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||||||
esplora.build.vid=0x2341
|
esplora.build.vid=0x2341
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||||||
esplora.build.pid=0x803c
|
esplora.build.pid=0x803c
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||||||
|
esplora.build.usb_product="Arduino Esplora"
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||||||
esplora.build.board=AVR_ESPLORA
|
esplora.build.board=AVR_ESPLORA
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||||||
esplora.build.core=arduino
|
esplora.build.core=arduino
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||||||
esplora.build.variant=leonardo
|
esplora.build.variant=leonardo
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||||||
esplora.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid}
|
esplora.build.extra_flags={build.usb_flags}
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||||||
|
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||||||
##############################################################
|
##############################################################
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||||||
|
|
||||||
|
@ -456,15 +459,15 @@ LilyPadUSB.bootloader.extended_fuses=0xce
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||||||
LilyPadUSB.bootloader.file=caterina-LilyPadUSB/Caterina-LilyPadUSB.hex
|
LilyPadUSB.bootloader.file=caterina-LilyPadUSB/Caterina-LilyPadUSB.hex
|
||||||
LilyPadUSB.bootloader.unlock_bits=0x3F
|
LilyPadUSB.bootloader.unlock_bits=0x3F
|
||||||
LilyPadUSB.bootloader.lock_bits=0x2F
|
LilyPadUSB.bootloader.lock_bits=0x2F
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||||||
|
|
||||||
LilyPadUSB.build.mcu=atmega32u4
|
LilyPadUSB.build.mcu=atmega32u4
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||||||
LilyPadUSB.build.f_cpu=8000000L
|
LilyPadUSB.build.f_cpu=8000000L
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||||||
LilyPadUSB.build.vid=0x1B4F
|
LilyPadUSB.build.vid=0x1B4F
|
||||||
LilyPadUSB.build.pid=0x9208
|
LilyPadUSB.build.pid=0x9208
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||||||
|
LilyPadUSB.build.usb_product="LilyPad USB"
|
||||||
LilyPadUSB.build.board=AVR_LILYPAD_USB
|
LilyPadUSB.build.board=AVR_LILYPAD_USB
|
||||||
LilyPadUSB.build.core=arduino
|
LilyPadUSB.build.core=arduino
|
||||||
LilyPadUSB.build.variant=leonardo
|
LilyPadUSB.build.variant=leonardo
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||||||
LilyPadUSB.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid}
|
LilyPadUSB.build.extra_flags={build.usb_flags}
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||||||
|
|
||||||
##############################################################
|
##############################################################
|
||||||
|
|
||||||
|
|
|
@ -23,21 +23,6 @@
|
||||||
#if defined(USBCON)
|
#if defined(USBCON)
|
||||||
#ifdef CDC_ENABLED
|
#ifdef CDC_ENABLED
|
||||||
|
|
||||||
#if (RAMEND < 1000)
|
|
||||||
#define SERIAL_BUFFER_SIZE 16
|
|
||||||
#else
|
|
||||||
#define SERIAL_BUFFER_SIZE 64
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct ring_buffer
|
|
||||||
{
|
|
||||||
unsigned char buffer[SERIAL_BUFFER_SIZE];
|
|
||||||
volatile int head;
|
|
||||||
volatile int tail;
|
|
||||||
};
|
|
||||||
|
|
||||||
ring_buffer cdc_rx_buffer = { { 0 }, 0, 0};
|
|
||||||
|
|
||||||
typedef struct
|
typedef struct
|
||||||
{
|
{
|
||||||
u32 dwDTERate;
|
u32 dwDTERate;
|
||||||
|
@ -140,8 +125,7 @@ void Serial_::end(void)
|
||||||
|
|
||||||
void Serial_::accept(void)
|
void Serial_::accept(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
int i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE;
|
||||||
int i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE;
|
|
||||||
|
|
||||||
// if we should be storing the received character into the location
|
// if we should be storing the received character into the location
|
||||||
// just before the tail (meaning that the head would advance to the
|
// just before the tail (meaning that the head would advance to the
|
||||||
|
@ -149,42 +133,39 @@ void Serial_::accept(void)
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||||||
// and so we don't write the character or advance the head.
|
// and so we don't write the character or advance the head.
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||||||
|
|
||||||
// while we have room to store a byte
|
// while we have room to store a byte
|
||||||
while (i != buffer->tail) {
|
while (i != _rx_buffer_tail) {
|
||||||
int c = USB_Recv(CDC_RX);
|
int c = USB_Recv(CDC_RX);
|
||||||
if (c == -1)
|
if (c == -1)
|
||||||
break; // no more data
|
break; // no more data
|
||||||
buffer->buffer[buffer->head] = c;
|
_rx_buffer[_rx_buffer_head] = c;
|
||||||
buffer->head = i;
|
_rx_buffer_head = i;
|
||||||
|
|
||||||
i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE;
|
i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::available(void)
|
int Serial_::available(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE;
|
||||||
return (unsigned int)(SERIAL_BUFFER_SIZE + buffer->head - buffer->tail) % SERIAL_BUFFER_SIZE;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::peek(void)
|
int Serial_::peek(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
if (buffer->head == buffer->tail) {
|
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
return buffer->buffer[buffer->tail];
|
return _rx_buffer[_rx_buffer_tail];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::read(void)
|
int Serial_::read(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
|
||||||
// if the head isn't ahead of the tail, we don't have any characters
|
// if the head isn't ahead of the tail, we don't have any characters
|
||||||
if (buffer->head == buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = buffer->buffer[buffer->tail];
|
unsigned char c = _rx_buffer[_rx_buffer_tail];
|
||||||
buffer->tail = (unsigned int)(buffer->tail + 1) % SERIAL_BUFFER_SIZE;
|
_rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
return c;
|
return c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -49,55 +49,17 @@
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||||||
#endif
|
#endif
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||||||
#endif
|
#endif
|
||||||
|
|
||||||
// Define constants and variables for buffering incoming serial data. We're
|
inline void store_char(unsigned char c, HardwareSerial *s)
|
||||||
// using a ring buffer (I think), in which head is the index of the location
|
|
||||||
// to which to write the next incoming character and tail is the index of the
|
|
||||||
// location from which to read.
|
|
||||||
#if (RAMEND < 1000)
|
|
||||||
#define SERIAL_BUFFER_SIZE 16
|
|
||||||
#else
|
|
||||||
#define SERIAL_BUFFER_SIZE 64
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct ring_buffer
|
|
||||||
{
|
{
|
||||||
unsigned char buffer[SERIAL_BUFFER_SIZE];
|
int i = (unsigned int)(s->_rx_buffer_head + 1) % SERIAL_BUFFER_SIZE;
|
||||||
volatile unsigned int head;
|
|
||||||
volatile unsigned int tail;
|
|
||||||
};
|
|
||||||
|
|
||||||
#if defined(USBCON)
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|
||||||
ring_buffer rx_buffer = { { 0 }, 0, 0};
|
|
||||||
ring_buffer tx_buffer = { { 0 }, 0, 0};
|
|
||||||
#endif
|
|
||||||
#if defined(UBRRH) || defined(UBRR0H)
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|
||||||
ring_buffer rx_buffer = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR1H)
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|
||||||
ring_buffer rx_buffer1 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer1 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR2H)
|
|
||||||
ring_buffer rx_buffer2 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer2 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR3H)
|
|
||||||
ring_buffer rx_buffer3 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer3 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
|
|
||||||
inline void store_char(unsigned char c, ring_buffer *buffer)
|
|
||||||
{
|
|
||||||
int i = (unsigned int)(buffer->head + 1) % SERIAL_BUFFER_SIZE;
|
|
||||||
|
|
||||||
// if we should be storing the received character into the location
|
// if we should be storing the received character into the location
|
||||||
// just before the tail (meaning that the head would advance to the
|
// just before the tail (meaning that the head would advance to the
|
||||||
// current location of the tail), we're about to overflow the buffer
|
// current location of the tail), we're about to overflow the buffer
|
||||||
// and so we don't write the character or advance the head.
|
// and so we don't write the character or advance the head.
|
||||||
if (i != buffer->tail) {
|
if (i != s->_rx_buffer_tail) {
|
||||||
buffer->buffer[buffer->head] = c;
|
s->_rx_buffer[s->_rx_buffer_head] = c;
|
||||||
buffer->head = i;
|
s->_rx_buffer_head = i;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -122,7 +84,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
#if defined(UDR0)
|
#if defined(UDR0)
|
||||||
if (bit_is_clear(UCSR0A, UPE0)) {
|
if (bit_is_clear(UCSR0A, UPE0)) {
|
||||||
unsigned char c = UDR0;
|
unsigned char c = UDR0;
|
||||||
store_char(c, &rx_buffer);
|
store_char(c, &Serial);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR0;
|
unsigned char c = UDR0;
|
||||||
};
|
};
|
||||||
|
@ -148,7 +110,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR1A, UPE1)) {
|
if (bit_is_clear(UCSR1A, UPE1)) {
|
||||||
unsigned char c = UDR1;
|
unsigned char c = UDR1;
|
||||||
store_char(c, &rx_buffer1);
|
store_char(c, &Serial1);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR1;
|
unsigned char c = UDR1;
|
||||||
};
|
};
|
||||||
|
@ -163,7 +125,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR2A, UPE2)) {
|
if (bit_is_clear(UCSR2A, UPE2)) {
|
||||||
unsigned char c = UDR2;
|
unsigned char c = UDR2;
|
||||||
store_char(c, &rx_buffer2);
|
store_char(c, &Serial2);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR2;
|
unsigned char c = UDR2;
|
||||||
};
|
};
|
||||||
|
@ -178,7 +140,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR3A, UPE3)) {
|
if (bit_is_clear(UCSR3A, UPE3)) {
|
||||||
unsigned char c = UDR3;
|
unsigned char c = UDR3;
|
||||||
store_char(c, &rx_buffer3);
|
store_char(c, &Serial3);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR3;
|
unsigned char c = UDR3;
|
||||||
};
|
};
|
||||||
|
@ -218,7 +180,7 @@ ISR(USART0_UDRE_vect)
|
||||||
ISR(USART_UDRE_vect)
|
ISR(USART_UDRE_vect)
|
||||||
#endif
|
#endif
|
||||||
{
|
{
|
||||||
if (tx_buffer.head == tx_buffer.tail) {
|
if (Serial._tx_buffer_head == Serial._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
#if defined(UCSR0B)
|
#if defined(UCSR0B)
|
||||||
cbi(UCSR0B, UDRIE0);
|
cbi(UCSR0B, UDRIE0);
|
||||||
|
@ -228,8 +190,8 @@ ISR(USART_UDRE_vect)
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer.buffer[tx_buffer.tail];
|
unsigned char c = Serial._tx_buffer[Serial._tx_buffer_tail];
|
||||||
tx_buffer.tail = (tx_buffer.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial._tx_buffer_tail = (Serial._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
#if defined(UDR0)
|
#if defined(UDR0)
|
||||||
UDR0 = c;
|
UDR0 = c;
|
||||||
|
@ -246,14 +208,14 @@ ISR(USART_UDRE_vect)
|
||||||
#ifdef USART1_UDRE_vect
|
#ifdef USART1_UDRE_vect
|
||||||
ISR(USART1_UDRE_vect)
|
ISR(USART1_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer1.head == tx_buffer1.tail) {
|
if (Serial1._tx_buffer_head == Serial1._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR1B, UDRIE1);
|
cbi(UCSR1B, UDRIE1);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer1.buffer[tx_buffer1.tail];
|
unsigned char c = Serial1._tx_buffer[Serial1._tx_buffer_tail];
|
||||||
tx_buffer1.tail = (tx_buffer1.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial1._tx_buffer_tail = (Serial1._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR1 = c;
|
UDR1 = c;
|
||||||
}
|
}
|
||||||
|
@ -263,14 +225,14 @@ ISR(USART1_UDRE_vect)
|
||||||
#ifdef USART2_UDRE_vect
|
#ifdef USART2_UDRE_vect
|
||||||
ISR(USART2_UDRE_vect)
|
ISR(USART2_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer2.head == tx_buffer2.tail) {
|
if (Serial2._tx_buffer_head == Serial2._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR2B, UDRIE2);
|
cbi(UCSR2B, UDRIE2);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer2.buffer[tx_buffer2.tail];
|
unsigned char c = Serial2._tx_buffer[Serial2._tx_buffer_tail];
|
||||||
tx_buffer2.tail = (tx_buffer2.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial2._tx_buffer_tail = (Serial2._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR2 = c;
|
UDR2 = c;
|
||||||
}
|
}
|
||||||
|
@ -280,31 +242,30 @@ ISR(USART2_UDRE_vect)
|
||||||
#ifdef USART3_UDRE_vect
|
#ifdef USART3_UDRE_vect
|
||||||
ISR(USART3_UDRE_vect)
|
ISR(USART3_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer3.head == tx_buffer3.tail) {
|
if (Serial3._tx_buffer_head == Serial3._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR3B, UDRIE3);
|
cbi(UCSR3B, UDRIE3);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer3.buffer[tx_buffer3.tail];
|
unsigned char c = Serial3._tx_buffer[Serial3._tx_buffer_tail];
|
||||||
tx_buffer3.tail = (tx_buffer3.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial3._tx_buffer_tail = (Serial3._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR3 = c;
|
UDR3 = c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
// Constructors ////////////////////////////////////////////////////////////////
|
// Constructors ////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
HardwareSerial::HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
|
HardwareSerial::HardwareSerial(
|
||||||
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
||||||
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
||||||
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
||||||
uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x)
|
uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x)
|
||||||
{
|
{
|
||||||
_rx_buffer = rx_buffer;
|
_tx_buffer_head = _tx_buffer_tail = 0;
|
||||||
_tx_buffer = tx_buffer;
|
_rx_buffer_head = _rx_buffer_tail = 0;
|
||||||
_ubrrh = ubrrh;
|
_ubrrh = ubrrh;
|
||||||
_ubrrl = ubrrl;
|
_ubrrl = ubrrl;
|
||||||
_ucsra = ucsra;
|
_ucsra = ucsra;
|
||||||
|
@ -412,7 +373,7 @@ try_again:
|
||||||
void HardwareSerial::end()
|
void HardwareSerial::end()
|
||||||
{
|
{
|
||||||
// wait for transmission of outgoing data
|
// wait for transmission of outgoing data
|
||||||
while (_tx_buffer->head != _tx_buffer->tail)
|
while (_tx_buffer_head != _tx_buffer_tail)
|
||||||
;
|
;
|
||||||
|
|
||||||
cbi(*_ucsrb, _rxen);
|
cbi(*_ucsrb, _rxen);
|
||||||
|
@ -421,31 +382,31 @@ void HardwareSerial::end()
|
||||||
cbi(*_ucsrb, _udrie);
|
cbi(*_ucsrb, _udrie);
|
||||||
|
|
||||||
// clear any received data
|
// clear any received data
|
||||||
_rx_buffer->head = _rx_buffer->tail;
|
_rx_buffer_head = _rx_buffer_tail;
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::available(void)
|
int HardwareSerial::available(void)
|
||||||
{
|
{
|
||||||
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % SERIAL_BUFFER_SIZE;
|
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE;
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::peek(void)
|
int HardwareSerial::peek(void)
|
||||||
{
|
{
|
||||||
if (_rx_buffer->head == _rx_buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
return _rx_buffer->buffer[_rx_buffer->tail];
|
return _rx_buffer[_rx_buffer_tail];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::read(void)
|
int HardwareSerial::read(void)
|
||||||
{
|
{
|
||||||
// if the head isn't ahead of the tail, we don't have any characters
|
// if the head isn't ahead of the tail, we don't have any characters
|
||||||
if (_rx_buffer->head == _rx_buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
|
unsigned char c = _rx_buffer[_rx_buffer_tail];
|
||||||
_rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) % SERIAL_BUFFER_SIZE;
|
_rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
return c;
|
return c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -459,16 +420,16 @@ void HardwareSerial::flush()
|
||||||
|
|
||||||
size_t HardwareSerial::write(uint8_t c)
|
size_t HardwareSerial::write(uint8_t c)
|
||||||
{
|
{
|
||||||
int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE;
|
int i = (_tx_buffer_head + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
// If the output buffer is full, there's nothing for it other than to
|
// If the output buffer is full, there's nothing for it other than to
|
||||||
// wait for the interrupt handler to empty it a bit
|
// wait for the interrupt handler to empty it a bit
|
||||||
// ???: return 0 here instead?
|
// ???: return 0 here instead?
|
||||||
while (i == _tx_buffer->tail)
|
while (i == _tx_buffer_tail)
|
||||||
;
|
;
|
||||||
|
|
||||||
_tx_buffer->buffer[_tx_buffer->head] = c;
|
_tx_buffer[_tx_buffer_head] = c;
|
||||||
_tx_buffer->head = i;
|
_tx_buffer_head = i;
|
||||||
|
|
||||||
sbi(*_ucsrb, _udrie);
|
sbi(*_ucsrb, _udrie);
|
||||||
// clear the TXC bit -- "can be cleared by writing a one to its bit location"
|
// clear the TXC bit -- "can be cleared by writing a one to its bit location"
|
||||||
|
@ -485,9 +446,9 @@ HardwareSerial::operator bool() {
|
||||||
// Preinstantiate Objects //////////////////////////////////////////////////////
|
// Preinstantiate Objects //////////////////////////////////////////////////////
|
||||||
|
|
||||||
#if defined(UBRRH) && defined(UBRRL)
|
#if defined(UBRRH) && defined(UBRRL)
|
||||||
HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X);
|
HardwareSerial Serial(&UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X);
|
||||||
#elif defined(UBRR0H) && defined(UBRR0L)
|
#elif defined(UBRR0H) && defined(UBRR0L)
|
||||||
HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0);
|
HardwareSerial Serial(&UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0);
|
||||||
#elif defined(USBCON)
|
#elif defined(USBCON)
|
||||||
// do nothing - Serial object and buffers are initialized in CDC code
|
// do nothing - Serial object and buffers are initialized in CDC code
|
||||||
#else
|
#else
|
||||||
|
@ -495,13 +456,13 @@ HardwareSerial::operator bool() {
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if defined(UBRR1H)
|
#if defined(UBRR1H)
|
||||||
HardwareSerial Serial1(&rx_buffer1, &tx_buffer1, &UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1);
|
HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1);
|
||||||
#endif
|
#endif
|
||||||
#if defined(UBRR2H)
|
#if defined(UBRR2H)
|
||||||
HardwareSerial Serial2(&rx_buffer2, &tx_buffer2, &UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2);
|
HardwareSerial Serial2(&UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2);
|
||||||
#endif
|
#endif
|
||||||
#if defined(UBRR3H)
|
#if defined(UBRR3H)
|
||||||
HardwareSerial Serial3(&rx_buffer3, &tx_buffer3, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
|
HardwareSerial Serial3(&UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#endif // whole file
|
#endif // whole file
|
||||||
|
|
|
@ -27,13 +27,19 @@
|
||||||
|
|
||||||
#include "Stream.h"
|
#include "Stream.h"
|
||||||
|
|
||||||
struct ring_buffer;
|
// Define constants and variables for buffering incoming serial data. We're
|
||||||
|
// using a ring buffer (I think), in which head is the index of the location
|
||||||
|
// to which to write the next incoming character and tail is the index of the
|
||||||
|
// location from which to read.
|
||||||
|
#if (RAMEND < 1000)
|
||||||
|
#define SERIAL_BUFFER_SIZE 16
|
||||||
|
#else
|
||||||
|
#define SERIAL_BUFFER_SIZE 64
|
||||||
|
#endif
|
||||||
|
|
||||||
class HardwareSerial : public Stream
|
class HardwareSerial : public Stream
|
||||||
{
|
{
|
||||||
private:
|
protected:
|
||||||
ring_buffer *_rx_buffer;
|
|
||||||
ring_buffer *_tx_buffer;
|
|
||||||
volatile uint8_t *_ubrrh;
|
volatile uint8_t *_ubrrh;
|
||||||
volatile uint8_t *_ubrrl;
|
volatile uint8_t *_ubrrl;
|
||||||
volatile uint8_t *_ucsra;
|
volatile uint8_t *_ucsra;
|
||||||
|
@ -46,8 +52,20 @@ class HardwareSerial : public Stream
|
||||||
uint8_t _udrie;
|
uint8_t _udrie;
|
||||||
uint8_t _u2x;
|
uint8_t _u2x;
|
||||||
bool transmitting;
|
bool transmitting;
|
||||||
|
|
||||||
public:
|
public:
|
||||||
HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
|
volatile uint8_t _rx_buffer_head;
|
||||||
|
volatile uint8_t _rx_buffer_tail;
|
||||||
|
volatile uint8_t _tx_buffer_head;
|
||||||
|
volatile uint8_t _tx_buffer_tail;
|
||||||
|
|
||||||
|
// Don't put any members after these buffers, since only the first
|
||||||
|
// 32 bytes of this struct can be accessed quickly using the ldd
|
||||||
|
// instruction.
|
||||||
|
unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
|
unsigned char _tx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
|
|
||||||
|
HardwareSerial(
|
||||||
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
||||||
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
||||||
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
||||||
|
|
|
@ -25,10 +25,16 @@ extern USBDevice_ USBDevice;
|
||||||
//================================================================================
|
//================================================================================
|
||||||
// Serial over CDC (Serial1 is the physical port)
|
// Serial over CDC (Serial1 is the physical port)
|
||||||
|
|
||||||
|
struct ring_buffer;
|
||||||
|
|
||||||
|
#if (RAMEND < 1000)
|
||||||
|
#define SERIAL_BUFFER_SIZE 16
|
||||||
|
#else
|
||||||
|
#define SERIAL_BUFFER_SIZE 64
|
||||||
|
#endif
|
||||||
|
|
||||||
class Serial_ : public Stream
|
class Serial_ : public Stream
|
||||||
{
|
{
|
||||||
private:
|
|
||||||
ring_buffer *_cdc_rx_buffer;
|
|
||||||
public:
|
public:
|
||||||
void begin(uint16_t baud_count);
|
void begin(uint16_t baud_count);
|
||||||
void end(void);
|
void end(void);
|
||||||
|
@ -41,6 +47,10 @@ public:
|
||||||
virtual size_t write(uint8_t);
|
virtual size_t write(uint8_t);
|
||||||
using Print::write; // pull in write(str) and write(buf, size) from Print
|
using Print::write; // pull in write(str) and write(buf, size) from Print
|
||||||
operator bool();
|
operator bool();
|
||||||
|
|
||||||
|
volatile uint8_t _rx_buffer_head;
|
||||||
|
volatile uint8_t _rx_buffer_tail;
|
||||||
|
unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
};
|
};
|
||||||
extern Serial_ Serial;
|
extern Serial_ Serial;
|
||||||
|
|
||||||
|
|
|
@ -39,8 +39,8 @@ volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
|
||||||
//==================================================================
|
//==================================================================
|
||||||
|
|
||||||
extern const u16 STRING_LANGUAGE[] PROGMEM;
|
extern const u16 STRING_LANGUAGE[] PROGMEM;
|
||||||
extern const u16 STRING_IPRODUCT[] PROGMEM;
|
extern const u8 STRING_PRODUCT[] PROGMEM;
|
||||||
extern const u16 STRING_IMANUFACTURER[] PROGMEM;
|
extern const u8 STRING_MANUFACTURER[] PROGMEM;
|
||||||
extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
|
extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
|
||||||
extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
|
extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
|
||||||
|
|
||||||
|
@ -49,33 +49,24 @@ const u16 STRING_LANGUAGE[2] = {
|
||||||
0x0409 // English
|
0x0409 // English
|
||||||
};
|
};
|
||||||
|
|
||||||
const u16 STRING_IPRODUCT[17] = {
|
#ifndef USB_PRODUCT
|
||||||
(3<<8) | (2+2*16),
|
// If no product is provided, use USB IO Board
|
||||||
#if USB_PID == 0x8036
|
#define USB_PRODUCT "USB IO Board"
|
||||||
'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o'
|
|
||||||
#elif USB_PID == 0x8037
|
|
||||||
'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' '
|
|
||||||
#elif USB_PID == 0x803C
|
|
||||||
'A','r','d','u','i','n','o',' ','E','s','p','l','o','r','a',' '
|
|
||||||
#elif USB_PID == 0x8041
|
|
||||||
'A','r','d','u','i','n','o',' ','Y','u','n',' ',' ',' ',' ',' '
|
|
||||||
#elif USB_PID == 0x9208
|
|
||||||
'L','i','l','y','P','a','d','U','S','B',' ',' ',' ',' ',' ',' '
|
|
||||||
#else
|
|
||||||
'U','S','B',' ','I','O',' ','B','o','a','r','d',' ',' ',' ',' '
|
|
||||||
#endif
|
#endif
|
||||||
};
|
|
||||||
|
|
||||||
const u16 STRING_IMANUFACTURER[12] = {
|
const u8 STRING_PRODUCT[] PROGMEM = USB_PRODUCT;
|
||||||
(3<<8) | (2+2*11),
|
|
||||||
#if USB_VID == 0x2341
|
#if USB_VID == 0x2341
|
||||||
'A','r','d','u','i','n','o',' ','L','L','C'
|
#define USB_MANUFACTURER "Arduino LLC"
|
||||||
#elif USB_VID == 0x1b4f
|
#elif USB_VID == 0x1b4f
|
||||||
'S','p','a','r','k','F','u','n',' ',' ',' '
|
#define USB_MANUFACTURER "SparkFun"
|
||||||
#else
|
#elif !defined(USB_MANUFACTURER)
|
||||||
'U','n','k','n','o','w','n',' ',' ',' ',' '
|
// Fall through to unknown if no manufacturer name was provided in a macro
|
||||||
|
#define USB_MANUFACTURER "Unknown"
|
||||||
#endif
|
#endif
|
||||||
};
|
|
||||||
|
const u8 STRING_MANUFACTURER[] PROGMEM = USB_MANUFACTURER;
|
||||||
|
|
||||||
|
|
||||||
#ifdef CDC_ENABLED
|
#ifdef CDC_ENABLED
|
||||||
#define DEVICE_CLASS 0x02
|
#define DEVICE_CLASS 0x02
|
||||||
|
@ -418,6 +409,22 @@ int USB_SendControl(u8 flags, const void* d, int len)
|
||||||
return sent;
|
return sent;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Send a USB descriptor string. The string is stored in PROGMEM as a
|
||||||
|
// plain ASCII string but is sent out as UTF-16 with the correct 2-byte
|
||||||
|
// prefix
|
||||||
|
static bool USB_SendStringDescriptor(const u8*string_P, u8 string_len) {
|
||||||
|
SendControl(2 + string_len * 2);
|
||||||
|
SendControl(3);
|
||||||
|
for(u8 i = 0; i < string_len; i++) {
|
||||||
|
bool r = SendControl(pgm_read_byte(&string_P[i]));
|
||||||
|
r &= SendControl(0); // high byte
|
||||||
|
if(!r) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
// Does not timeout or cross fifo boundaries
|
// Does not timeout or cross fifo boundaries
|
||||||
// Will only work for transfers <= 64 bytes
|
// Will only work for transfers <= 64 bytes
|
||||||
// TODO
|
// TODO
|
||||||
|
@ -478,7 +485,6 @@ bool SendDescriptor(Setup& setup)
|
||||||
return HID_GetDescriptor(t);
|
return HID_GetDescriptor(t);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
u8 desc_length = 0;
|
|
||||||
const u8* desc_addr = 0;
|
const u8* desc_addr = 0;
|
||||||
if (USB_DEVICE_DESCRIPTOR_TYPE == t)
|
if (USB_DEVICE_DESCRIPTOR_TYPE == t)
|
||||||
{
|
{
|
||||||
|
@ -488,20 +494,22 @@ bool SendDescriptor(Setup& setup)
|
||||||
}
|
}
|
||||||
else if (USB_STRING_DESCRIPTOR_TYPE == t)
|
else if (USB_STRING_DESCRIPTOR_TYPE == t)
|
||||||
{
|
{
|
||||||
if (setup.wValueL == 0)
|
if (setup.wValueL == 0) {
|
||||||
desc_addr = (const u8*)&STRING_LANGUAGE;
|
desc_addr = (const u8*)&STRING_LANGUAGE;
|
||||||
else if (setup.wValueL == IPRODUCT)
|
}
|
||||||
desc_addr = (const u8*)&STRING_IPRODUCT;
|
else if (setup.wValueL == IPRODUCT) {
|
||||||
else if (setup.wValueL == IMANUFACTURER)
|
return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT));
|
||||||
desc_addr = (const u8*)&STRING_IMANUFACTURER;
|
}
|
||||||
|
else if (setup.wValueL == IMANUFACTURER) {
|
||||||
|
return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER));
|
||||||
|
}
|
||||||
else
|
else
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (desc_addr == 0)
|
if (desc_addr == 0)
|
||||||
return false;
|
return false;
|
||||||
if (desc_length == 0)
|
u8 desc_length = pgm_read_byte(desc_addr);
|
||||||
desc_length = pgm_read_byte(desc_addr);
|
|
||||||
|
|
||||||
USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
|
USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
|
||||||
return true;
|
return true;
|
||||||
|
|
|
@ -23,21 +23,6 @@
|
||||||
#if defined(USBCON)
|
#if defined(USBCON)
|
||||||
#ifdef CDC_ENABLED
|
#ifdef CDC_ENABLED
|
||||||
|
|
||||||
#if (RAMEND < 1000)
|
|
||||||
#define SERIAL_BUFFER_SIZE 16
|
|
||||||
#else
|
|
||||||
#define SERIAL_BUFFER_SIZE 64
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct ring_buffer
|
|
||||||
{
|
|
||||||
unsigned char buffer[SERIAL_BUFFER_SIZE];
|
|
||||||
volatile int head;
|
|
||||||
volatile int tail;
|
|
||||||
};
|
|
||||||
|
|
||||||
ring_buffer cdc_rx_buffer = { { 0 }, 0, 0};
|
|
||||||
|
|
||||||
typedef struct
|
typedef struct
|
||||||
{
|
{
|
||||||
u32 dwDTERate;
|
u32 dwDTERate;
|
||||||
|
@ -140,8 +125,7 @@ void Serial_::end(void)
|
||||||
|
|
||||||
void Serial_::accept(void)
|
void Serial_::accept(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
int i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE;
|
||||||
int i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE;
|
|
||||||
|
|
||||||
// if we should be storing the received character into the location
|
// if we should be storing the received character into the location
|
||||||
// just before the tail (meaning that the head would advance to the
|
// just before the tail (meaning that the head would advance to the
|
||||||
|
@ -149,42 +133,39 @@ void Serial_::accept(void)
|
||||||
// and so we don't write the character or advance the head.
|
// and so we don't write the character or advance the head.
|
||||||
|
|
||||||
// while we have room to store a byte
|
// while we have room to store a byte
|
||||||
while (i != buffer->tail) {
|
while (i != _rx_buffer_tail) {
|
||||||
int c = USB_Recv(CDC_RX);
|
int c = USB_Recv(CDC_RX);
|
||||||
if (c == -1)
|
if (c == -1)
|
||||||
break; // no more data
|
break; // no more data
|
||||||
buffer->buffer[buffer->head] = c;
|
_rx_buffer[_rx_buffer_head] = c;
|
||||||
buffer->head = i;
|
_rx_buffer_head = i;
|
||||||
|
|
||||||
i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE;
|
i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::available(void)
|
int Serial_::available(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE;
|
||||||
return (unsigned int)(SERIAL_BUFFER_SIZE + buffer->head - buffer->tail) % SERIAL_BUFFER_SIZE;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::peek(void)
|
int Serial_::peek(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
if (buffer->head == buffer->tail) {
|
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
return buffer->buffer[buffer->tail];
|
return _rx_buffer[_rx_buffer_tail];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int Serial_::read(void)
|
int Serial_::read(void)
|
||||||
{
|
{
|
||||||
ring_buffer *buffer = &cdc_rx_buffer;
|
|
||||||
// if the head isn't ahead of the tail, we don't have any characters
|
// if the head isn't ahead of the tail, we don't have any characters
|
||||||
if (buffer->head == buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = buffer->buffer[buffer->tail];
|
unsigned char c = _rx_buffer[_rx_buffer_tail];
|
||||||
buffer->tail = (unsigned int)(buffer->tail + 1) % SERIAL_BUFFER_SIZE;
|
_rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
return c;
|
return c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -49,55 +49,17 @@
|
||||||
#endif
|
#endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
// Define constants and variables for buffering incoming serial data. We're
|
inline void store_char(unsigned char c, HardwareSerial *s)
|
||||||
// using a ring buffer (I think), in which head is the index of the location
|
|
||||||
// to which to write the next incoming character and tail is the index of the
|
|
||||||
// location from which to read.
|
|
||||||
#if (RAMEND < 1000)
|
|
||||||
#define SERIAL_BUFFER_SIZE 16
|
|
||||||
#else
|
|
||||||
#define SERIAL_BUFFER_SIZE 64
|
|
||||||
#endif
|
|
||||||
|
|
||||||
struct ring_buffer
|
|
||||||
{
|
{
|
||||||
unsigned char buffer[SERIAL_BUFFER_SIZE];
|
int i = (unsigned int)(s->_rx_buffer_head + 1) % SERIAL_BUFFER_SIZE;
|
||||||
volatile unsigned int head;
|
|
||||||
volatile unsigned int tail;
|
|
||||||
};
|
|
||||||
|
|
||||||
#if defined(USBCON)
|
|
||||||
ring_buffer rx_buffer = { { 0 }, 0, 0};
|
|
||||||
ring_buffer tx_buffer = { { 0 }, 0, 0};
|
|
||||||
#endif
|
|
||||||
#if defined(UBRRH) || defined(UBRR0H)
|
|
||||||
ring_buffer rx_buffer = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR1H)
|
|
||||||
ring_buffer rx_buffer1 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer1 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR2H)
|
|
||||||
ring_buffer rx_buffer2 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer2 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
#if defined(UBRR3H)
|
|
||||||
ring_buffer rx_buffer3 = { { 0 }, 0, 0 };
|
|
||||||
ring_buffer tx_buffer3 = { { 0 }, 0, 0 };
|
|
||||||
#endif
|
|
||||||
|
|
||||||
inline void store_char(unsigned char c, ring_buffer *buffer)
|
|
||||||
{
|
|
||||||
int i = (unsigned int)(buffer->head + 1) % SERIAL_BUFFER_SIZE;
|
|
||||||
|
|
||||||
// if we should be storing the received character into the location
|
// if we should be storing the received character into the location
|
||||||
// just before the tail (meaning that the head would advance to the
|
// just before the tail (meaning that the head would advance to the
|
||||||
// current location of the tail), we're about to overflow the buffer
|
// current location of the tail), we're about to overflow the buffer
|
||||||
// and so we don't write the character or advance the head.
|
// and so we don't write the character or advance the head.
|
||||||
if (i != buffer->tail) {
|
if (i != s->_rx_buffer_tail) {
|
||||||
buffer->buffer[buffer->head] = c;
|
s->_rx_buffer[s->_rx_buffer_head] = c;
|
||||||
buffer->head = i;
|
s->_rx_buffer_head = i;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -122,7 +84,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
#if defined(UDR0)
|
#if defined(UDR0)
|
||||||
if (bit_is_clear(UCSR0A, UPE0)) {
|
if (bit_is_clear(UCSR0A, UPE0)) {
|
||||||
unsigned char c = UDR0;
|
unsigned char c = UDR0;
|
||||||
store_char(c, &rx_buffer);
|
store_char(c, &Serial);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR0;
|
unsigned char c = UDR0;
|
||||||
};
|
};
|
||||||
|
@ -148,7 +110,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR1A, UPE1)) {
|
if (bit_is_clear(UCSR1A, UPE1)) {
|
||||||
unsigned char c = UDR1;
|
unsigned char c = UDR1;
|
||||||
store_char(c, &rx_buffer1);
|
store_char(c, &Serial1);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR1;
|
unsigned char c = UDR1;
|
||||||
};
|
};
|
||||||
|
@ -163,7 +125,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR2A, UPE2)) {
|
if (bit_is_clear(UCSR2A, UPE2)) {
|
||||||
unsigned char c = UDR2;
|
unsigned char c = UDR2;
|
||||||
store_char(c, &rx_buffer2);
|
store_char(c, &Serial2);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR2;
|
unsigned char c = UDR2;
|
||||||
};
|
};
|
||||||
|
@ -178,7 +140,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer)
|
||||||
{
|
{
|
||||||
if (bit_is_clear(UCSR3A, UPE3)) {
|
if (bit_is_clear(UCSR3A, UPE3)) {
|
||||||
unsigned char c = UDR3;
|
unsigned char c = UDR3;
|
||||||
store_char(c, &rx_buffer3);
|
store_char(c, &Serial3);
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = UDR3;
|
unsigned char c = UDR3;
|
||||||
};
|
};
|
||||||
|
@ -218,7 +180,7 @@ ISR(USART0_UDRE_vect)
|
||||||
ISR(USART_UDRE_vect)
|
ISR(USART_UDRE_vect)
|
||||||
#endif
|
#endif
|
||||||
{
|
{
|
||||||
if (tx_buffer.head == tx_buffer.tail) {
|
if (Serial._tx_buffer_head == Serial._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
#if defined(UCSR0B)
|
#if defined(UCSR0B)
|
||||||
cbi(UCSR0B, UDRIE0);
|
cbi(UCSR0B, UDRIE0);
|
||||||
|
@ -228,8 +190,8 @@ ISR(USART_UDRE_vect)
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer.buffer[tx_buffer.tail];
|
unsigned char c = Serial._tx_buffer[Serial._tx_buffer_tail];
|
||||||
tx_buffer.tail = (tx_buffer.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial._tx_buffer_tail = (Serial._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
#if defined(UDR0)
|
#if defined(UDR0)
|
||||||
UDR0 = c;
|
UDR0 = c;
|
||||||
|
@ -246,14 +208,14 @@ ISR(USART_UDRE_vect)
|
||||||
#ifdef USART1_UDRE_vect
|
#ifdef USART1_UDRE_vect
|
||||||
ISR(USART1_UDRE_vect)
|
ISR(USART1_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer1.head == tx_buffer1.tail) {
|
if (Serial1._tx_buffer_head == Serial1._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR1B, UDRIE1);
|
cbi(UCSR1B, UDRIE1);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer1.buffer[tx_buffer1.tail];
|
unsigned char c = Serial1._tx_buffer[Serial1._tx_buffer_tail];
|
||||||
tx_buffer1.tail = (tx_buffer1.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial1._tx_buffer_tail = (Serial1._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR1 = c;
|
UDR1 = c;
|
||||||
}
|
}
|
||||||
|
@ -263,14 +225,14 @@ ISR(USART1_UDRE_vect)
|
||||||
#ifdef USART2_UDRE_vect
|
#ifdef USART2_UDRE_vect
|
||||||
ISR(USART2_UDRE_vect)
|
ISR(USART2_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer2.head == tx_buffer2.tail) {
|
if (Serial2._tx_buffer_head == Serial2._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR2B, UDRIE2);
|
cbi(UCSR2B, UDRIE2);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer2.buffer[tx_buffer2.tail];
|
unsigned char c = Serial2._tx_buffer[Serial2._tx_buffer_tail];
|
||||||
tx_buffer2.tail = (tx_buffer2.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial2._tx_buffer_tail = (Serial2._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR2 = c;
|
UDR2 = c;
|
||||||
}
|
}
|
||||||
|
@ -280,31 +242,30 @@ ISR(USART2_UDRE_vect)
|
||||||
#ifdef USART3_UDRE_vect
|
#ifdef USART3_UDRE_vect
|
||||||
ISR(USART3_UDRE_vect)
|
ISR(USART3_UDRE_vect)
|
||||||
{
|
{
|
||||||
if (tx_buffer3.head == tx_buffer3.tail) {
|
if (Serial3._tx_buffer_head == Serial3._tx_buffer_tail) {
|
||||||
// Buffer empty, so disable interrupts
|
// Buffer empty, so disable interrupts
|
||||||
cbi(UCSR3B, UDRIE3);
|
cbi(UCSR3B, UDRIE3);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// There is more data in the output buffer. Send the next byte
|
// There is more data in the output buffer. Send the next byte
|
||||||
unsigned char c = tx_buffer3.buffer[tx_buffer3.tail];
|
unsigned char c = Serial3._tx_buffer[Serial3._tx_buffer_tail];
|
||||||
tx_buffer3.tail = (tx_buffer3.tail + 1) % SERIAL_BUFFER_SIZE;
|
Serial3._tx_buffer_tail = (Serial3._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
UDR3 = c;
|
UDR3 = c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
|
||||||
// Constructors ////////////////////////////////////////////////////////////////
|
// Constructors ////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
HardwareSerial::HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
|
HardwareSerial::HardwareSerial(
|
||||||
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
||||||
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
||||||
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
||||||
uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x)
|
uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x)
|
||||||
{
|
{
|
||||||
_rx_buffer = rx_buffer;
|
_tx_buffer_head = _tx_buffer_tail = 0;
|
||||||
_tx_buffer = tx_buffer;
|
_rx_buffer_head = _rx_buffer_tail = 0;
|
||||||
_ubrrh = ubrrh;
|
_ubrrh = ubrrh;
|
||||||
_ubrrl = ubrrl;
|
_ubrrl = ubrrl;
|
||||||
_ucsra = ucsra;
|
_ucsra = ucsra;
|
||||||
|
@ -412,7 +373,7 @@ try_again:
|
||||||
void HardwareSerial::end()
|
void HardwareSerial::end()
|
||||||
{
|
{
|
||||||
// wait for transmission of outgoing data
|
// wait for transmission of outgoing data
|
||||||
while (_tx_buffer->head != _tx_buffer->tail)
|
while (_tx_buffer_head != _tx_buffer_tail)
|
||||||
;
|
;
|
||||||
|
|
||||||
cbi(*_ucsrb, _rxen);
|
cbi(*_ucsrb, _rxen);
|
||||||
|
@ -421,31 +382,31 @@ void HardwareSerial::end()
|
||||||
cbi(*_ucsrb, _udrie);
|
cbi(*_ucsrb, _udrie);
|
||||||
|
|
||||||
// clear any received data
|
// clear any received data
|
||||||
_rx_buffer->head = _rx_buffer->tail;
|
_rx_buffer_head = _rx_buffer_tail;
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::available(void)
|
int HardwareSerial::available(void)
|
||||||
{
|
{
|
||||||
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % SERIAL_BUFFER_SIZE;
|
return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE;
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::peek(void)
|
int HardwareSerial::peek(void)
|
||||||
{
|
{
|
||||||
if (_rx_buffer->head == _rx_buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
return _rx_buffer->buffer[_rx_buffer->tail];
|
return _rx_buffer[_rx_buffer_tail];
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::read(void)
|
int HardwareSerial::read(void)
|
||||||
{
|
{
|
||||||
// if the head isn't ahead of the tail, we don't have any characters
|
// if the head isn't ahead of the tail, we don't have any characters
|
||||||
if (_rx_buffer->head == _rx_buffer->tail) {
|
if (_rx_buffer_head == _rx_buffer_tail) {
|
||||||
return -1;
|
return -1;
|
||||||
} else {
|
} else {
|
||||||
unsigned char c = _rx_buffer->buffer[_rx_buffer->tail];
|
unsigned char c = _rx_buffer[_rx_buffer_tail];
|
||||||
_rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) % SERIAL_BUFFER_SIZE;
|
_rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE;
|
||||||
return c;
|
return c;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
@ -459,16 +420,16 @@ void HardwareSerial::flush()
|
||||||
|
|
||||||
size_t HardwareSerial::write(uint8_t c)
|
size_t HardwareSerial::write(uint8_t c)
|
||||||
{
|
{
|
||||||
int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE;
|
int i = (_tx_buffer_head + 1) % SERIAL_BUFFER_SIZE;
|
||||||
|
|
||||||
// If the output buffer is full, there's nothing for it other than to
|
// If the output buffer is full, there's nothing for it other than to
|
||||||
// wait for the interrupt handler to empty it a bit
|
// wait for the interrupt handler to empty it a bit
|
||||||
// ???: return 0 here instead?
|
// ???: return 0 here instead?
|
||||||
while (i == _tx_buffer->tail)
|
while (i == _tx_buffer_tail)
|
||||||
;
|
;
|
||||||
|
|
||||||
_tx_buffer->buffer[_tx_buffer->head] = c;
|
_tx_buffer[_tx_buffer_head] = c;
|
||||||
_tx_buffer->head = i;
|
_tx_buffer_head = i;
|
||||||
|
|
||||||
sbi(*_ucsrb, _udrie);
|
sbi(*_ucsrb, _udrie);
|
||||||
// clear the TXC bit -- "can be cleared by writing a one to its bit location"
|
// clear the TXC bit -- "can be cleared by writing a one to its bit location"
|
||||||
|
@ -485,9 +446,9 @@ HardwareSerial::operator bool() {
|
||||||
// Preinstantiate Objects //////////////////////////////////////////////////////
|
// Preinstantiate Objects //////////////////////////////////////////////////////
|
||||||
|
|
||||||
#if defined(UBRRH) && defined(UBRRL)
|
#if defined(UBRRH) && defined(UBRRL)
|
||||||
HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X);
|
HardwareSerial Serial(&UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X);
|
||||||
#elif defined(UBRR0H) && defined(UBRR0L)
|
#elif defined(UBRR0H) && defined(UBRR0L)
|
||||||
HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0);
|
HardwareSerial Serial(&UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0);
|
||||||
#elif defined(USBCON)
|
#elif defined(USBCON)
|
||||||
// do nothing - Serial object and buffers are initialized in CDC code
|
// do nothing - Serial object and buffers are initialized in CDC code
|
||||||
#else
|
#else
|
||||||
|
@ -495,13 +456,13 @@ HardwareSerial::operator bool() {
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#if defined(UBRR1H)
|
#if defined(UBRR1H)
|
||||||
HardwareSerial Serial1(&rx_buffer1, &tx_buffer1, &UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1);
|
HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1);
|
||||||
#endif
|
#endif
|
||||||
#if defined(UBRR2H)
|
#if defined(UBRR2H)
|
||||||
HardwareSerial Serial2(&rx_buffer2, &tx_buffer2, &UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2);
|
HardwareSerial Serial2(&UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2);
|
||||||
#endif
|
#endif
|
||||||
#if defined(UBRR3H)
|
#if defined(UBRR3H)
|
||||||
HardwareSerial Serial3(&rx_buffer3, &tx_buffer3, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
|
HardwareSerial Serial3(&UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#endif // whole file
|
#endif // whole file
|
||||||
|
|
|
@ -27,13 +27,19 @@
|
||||||
|
|
||||||
#include "Stream.h"
|
#include "Stream.h"
|
||||||
|
|
||||||
struct ring_buffer;
|
// Define constants and variables for buffering incoming serial data. We're
|
||||||
|
// using a ring buffer (I think), in which head is the index of the location
|
||||||
|
// to which to write the next incoming character and tail is the index of the
|
||||||
|
// location from which to read.
|
||||||
|
#if (RAMEND < 1000)
|
||||||
|
#define SERIAL_BUFFER_SIZE 16
|
||||||
|
#else
|
||||||
|
#define SERIAL_BUFFER_SIZE 64
|
||||||
|
#endif
|
||||||
|
|
||||||
class HardwareSerial : public Stream
|
class HardwareSerial : public Stream
|
||||||
{
|
{
|
||||||
private:
|
protected:
|
||||||
ring_buffer *_rx_buffer;
|
|
||||||
ring_buffer *_tx_buffer;
|
|
||||||
volatile uint8_t *_ubrrh;
|
volatile uint8_t *_ubrrh;
|
||||||
volatile uint8_t *_ubrrl;
|
volatile uint8_t *_ubrrl;
|
||||||
volatile uint8_t *_ucsra;
|
volatile uint8_t *_ucsra;
|
||||||
|
@ -46,8 +52,20 @@ class HardwareSerial : public Stream
|
||||||
uint8_t _udrie;
|
uint8_t _udrie;
|
||||||
uint8_t _u2x;
|
uint8_t _u2x;
|
||||||
bool transmitting;
|
bool transmitting;
|
||||||
|
|
||||||
public:
|
public:
|
||||||
HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
|
volatile uint8_t _rx_buffer_head;
|
||||||
|
volatile uint8_t _rx_buffer_tail;
|
||||||
|
volatile uint8_t _tx_buffer_head;
|
||||||
|
volatile uint8_t _tx_buffer_tail;
|
||||||
|
|
||||||
|
// Don't put any members after these buffers, since only the first
|
||||||
|
// 32 bytes of this struct can be accessed quickly using the ldd
|
||||||
|
// instruction.
|
||||||
|
unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
|
unsigned char _tx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
|
|
||||||
|
HardwareSerial(
|
||||||
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
|
||||||
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
|
||||||
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
volatile uint8_t *ucsrc, volatile uint8_t *udr,
|
||||||
|
|
|
@ -25,10 +25,16 @@ extern USBDevice_ USBDevice;
|
||||||
//================================================================================
|
//================================================================================
|
||||||
// Serial over CDC (Serial1 is the physical port)
|
// Serial over CDC (Serial1 is the physical port)
|
||||||
|
|
||||||
|
struct ring_buffer;
|
||||||
|
|
||||||
|
#if (RAMEND < 1000)
|
||||||
|
#define SERIAL_BUFFER_SIZE 16
|
||||||
|
#else
|
||||||
|
#define SERIAL_BUFFER_SIZE 64
|
||||||
|
#endif
|
||||||
|
|
||||||
class Serial_ : public Stream
|
class Serial_ : public Stream
|
||||||
{
|
{
|
||||||
private:
|
|
||||||
ring_buffer *_cdc_rx_buffer;
|
|
||||||
public:
|
public:
|
||||||
void begin(uint16_t baud_count);
|
void begin(uint16_t baud_count);
|
||||||
void end(void);
|
void end(void);
|
||||||
|
@ -41,6 +47,10 @@ public:
|
||||||
virtual size_t write(uint8_t);
|
virtual size_t write(uint8_t);
|
||||||
using Print::write; // pull in write(str) and write(buf, size) from Print
|
using Print::write; // pull in write(str) and write(buf, size) from Print
|
||||||
operator bool();
|
operator bool();
|
||||||
|
|
||||||
|
volatile uint8_t _rx_buffer_head;
|
||||||
|
volatile uint8_t _rx_buffer_tail;
|
||||||
|
unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
|
||||||
};
|
};
|
||||||
extern Serial_ Serial;
|
extern Serial_ Serial;
|
||||||
|
|
||||||
|
|
|
@ -39,8 +39,8 @@ volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
|
||||||
//==================================================================
|
//==================================================================
|
||||||
|
|
||||||
extern const u16 STRING_LANGUAGE[] PROGMEM;
|
extern const u16 STRING_LANGUAGE[] PROGMEM;
|
||||||
extern const u16 STRING_IPRODUCT[] PROGMEM;
|
extern const u8 STRING_PRODUCT[] PROGMEM;
|
||||||
extern const u16 STRING_IMANUFACTURER[] PROGMEM;
|
extern const u8 STRING_MANUFACTURER[] PROGMEM;
|
||||||
extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
|
extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
|
||||||
extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
|
extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
|
||||||
|
|
||||||
|
@ -49,31 +49,24 @@ const u16 STRING_LANGUAGE[2] = {
|
||||||
0x0409 // English
|
0x0409 // English
|
||||||
};
|
};
|
||||||
|
|
||||||
const u16 STRING_IPRODUCT[17] = {
|
#ifndef USB_PRODUCT
|
||||||
(3<<8) | (2+2*16),
|
// If no product is provided, use USB IO Board
|
||||||
#if USB_PID == 0x8036
|
#define USB_PRODUCT "USB IO Board"
|
||||||
'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o'
|
|
||||||
#elif USB_PID == 0x8037
|
|
||||||
'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' '
|
|
||||||
#elif USB_PID == 0x803C
|
|
||||||
'A','r','d','u','i','n','o',' ','E','s','p','l','o','r','a',' '
|
|
||||||
#elif USB_PID == 0x9208
|
|
||||||
'L','i','l','y','P','a','d','U','S','B',' ',' ',' ',' ',' ',' '
|
|
||||||
#else
|
|
||||||
'U','S','B',' ','I','O',' ','B','o','a','r','d',' ',' ',' ',' '
|
|
||||||
#endif
|
#endif
|
||||||
};
|
|
||||||
|
|
||||||
const u16 STRING_IMANUFACTURER[12] = {
|
const u8 STRING_PRODUCT[] PROGMEM = USB_PRODUCT;
|
||||||
(3<<8) | (2+2*11),
|
|
||||||
#if USB_VID == 0x2341
|
#if USB_VID == 0x2341
|
||||||
'A','r','d','u','i','n','o',' ','L','L','C'
|
#define USB_MANUFACTURER "Arduino LLC"
|
||||||
#elif USB_VID == 0x1b4f
|
#elif USB_VID == 0x1b4f
|
||||||
'S','p','a','r','k','F','u','n',' ',' ',' '
|
#define USB_MANUFACTURER "SparkFun"
|
||||||
#else
|
#elif !defined(USB_MANUFACTURER)
|
||||||
'U','n','k','n','o','w','n',' ',' ',' ',' '
|
// Fall through to unknown if no manufacturer name was provided in a macro
|
||||||
|
#define USB_MANUFACTURER "Unknown"
|
||||||
#endif
|
#endif
|
||||||
};
|
|
||||||
|
const u8 STRING_MANUFACTURER[] PROGMEM = USB_MANUFACTURER;
|
||||||
|
|
||||||
|
|
||||||
#ifdef CDC_ENABLED
|
#ifdef CDC_ENABLED
|
||||||
#define DEVICE_CLASS 0x02
|
#define DEVICE_CLASS 0x02
|
||||||
|
@ -416,6 +409,22 @@ int USB_SendControl(u8 flags, const void* d, int len)
|
||||||
return sent;
|
return sent;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Send a USB descriptor string. The string is stored in PROGMEM as a
|
||||||
|
// plain ASCII string but is sent out as UTF-16 with the correct 2-byte
|
||||||
|
// prefix
|
||||||
|
static bool USB_SendStringDescriptor(const u8*string_P, u8 string_len) {
|
||||||
|
SendControl(2 + string_len * 2);
|
||||||
|
SendControl(3);
|
||||||
|
for(u8 i = 0; i < string_len; i++) {
|
||||||
|
bool r = SendControl(pgm_read_byte(&string_P[i]));
|
||||||
|
r &= SendControl(0); // high byte
|
||||||
|
if(!r) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
// Does not timeout or cross fifo boundaries
|
// Does not timeout or cross fifo boundaries
|
||||||
// Will only work for transfers <= 64 bytes
|
// Will only work for transfers <= 64 bytes
|
||||||
// TODO
|
// TODO
|
||||||
|
@ -476,7 +485,6 @@ bool SendDescriptor(Setup& setup)
|
||||||
return HID_GetDescriptor(t);
|
return HID_GetDescriptor(t);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
u8 desc_length = 0;
|
|
||||||
const u8* desc_addr = 0;
|
const u8* desc_addr = 0;
|
||||||
if (USB_DEVICE_DESCRIPTOR_TYPE == t)
|
if (USB_DEVICE_DESCRIPTOR_TYPE == t)
|
||||||
{
|
{
|
||||||
|
@ -486,20 +494,22 @@ bool SendDescriptor(Setup& setup)
|
||||||
}
|
}
|
||||||
else if (USB_STRING_DESCRIPTOR_TYPE == t)
|
else if (USB_STRING_DESCRIPTOR_TYPE == t)
|
||||||
{
|
{
|
||||||
if (setup.wValueL == 0)
|
if (setup.wValueL == 0) {
|
||||||
desc_addr = (const u8*)&STRING_LANGUAGE;
|
desc_addr = (const u8*)&STRING_LANGUAGE;
|
||||||
else if (setup.wValueL == IPRODUCT)
|
}
|
||||||
desc_addr = (const u8*)&STRING_IPRODUCT;
|
else if (setup.wValueL == IPRODUCT) {
|
||||||
else if (setup.wValueL == IMANUFACTURER)
|
return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT));
|
||||||
desc_addr = (const u8*)&STRING_IMANUFACTURER;
|
}
|
||||||
|
else if (setup.wValueL == IMANUFACTURER) {
|
||||||
|
return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER));
|
||||||
|
}
|
||||||
else
|
else
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (desc_addr == 0)
|
if (desc_addr == 0)
|
||||||
return false;
|
return false;
|
||||||
if (desc_length == 0)
|
u8 desc_length = pgm_read_byte(desc_addr);
|
||||||
desc_length = pgm_read_byte(desc_addr);
|
|
||||||
|
|
||||||
USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
|
USB_SendControl(TRANSFER_PGM,desc_addr,desc_length);
|
||||||
return true;
|
return true;
|
||||||
|
|
|
@ -86,3 +86,9 @@ tools.avrdude.bootloader.params.verbose=-v -v -v -v
|
||||||
tools.avrdude.bootloader.params.quiet=-q -q
|
tools.avrdude.bootloader.params.quiet=-q -q
|
||||||
tools.avrdude.bootloader.pattern="{cmd.path}" "-C{config.path}" {bootloader.verbose} -p{build.mcu} -c{protocol} {program.extra_params} "-Uflash:w:{runtime.ide.path}/hardware/arduino/avr/bootloaders/{bootloader.file}:i" -Ulock:w:{bootloader.lock_bits}:m
|
tools.avrdude.bootloader.pattern="{cmd.path}" "-C{config.path}" {bootloader.verbose} -p{build.mcu} -c{protocol} {program.extra_params} "-Uflash:w:{runtime.ide.path}/hardware/arduino/avr/bootloaders/{bootloader.file}:i" -Ulock:w:{bootloader.lock_bits}:m
|
||||||
|
|
||||||
|
|
||||||
|
# USB Default Flags
|
||||||
|
# Default blank usb manufacturer will be filled it at compile time
|
||||||
|
# - from numeric vendor ID, set to Unknown otherwise
|
||||||
|
build.usb_manufacturer=
|
||||||
|
build.usb_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} -DUSB_MANUFACTURER={build.usb_manufacturer} '-DUSB_PRODUCT={build.usb_product}'
|
||||||
|
|
Loading…
Reference in New Issue