1-wire. STM32F1xx code tested

This commit is contained in:
barthess 2014-12-18 00:21:28 +03:00
parent 99505cdea6
commit 073d4d467f
9 changed files with 155 additions and 432 deletions

View File

@ -79,13 +79,6 @@ typedef void (*onewire_pullup_assert_t)(void);
typedef void (*onewire_pullup_release_t)(void);
#endif /* ONEWIRE_USE_STRONG_PULLUP */
/**
* @brief 1-wire read bit callback type.
*
* @return Bit acquired directly from pin (0 or 1)
*/
typedef uint_fast8_t (*onewire_read_bit_t)(void);
/**
* @brief Driver state machine possible states.
*/
@ -134,10 +127,29 @@ typedef struct {
*/
size_t sample_channel;
/**
* @brief Pointer to function performing read of single bit.
* @note It must be callable from any context.
* @brief Port Identifier.
* @details This type can be a scalar or some kind of pointer, do not make
* any assumption about it, use the provided macros when populating
* variables of this type.
*/
onewire_read_bit_t readBitX;
ioportid_t port;
/**
* @brief Digital I/O port pad.
*/
ioportmask_t pad;
#if defined(STM32F1XX)
/**
* @brief Digital I/O mode for idle bus.
* @details This is a kind of workaround against F1x realization of alternate
* function. Alternate function mode will be activated only
* when you starts appropriate peripheral.
*/
iomode_t pad_mode_idle;
#endif
/**
* @brief Digital I/O mode for active bus.
*/
iomode_t pad_mode_active;
#if ONEWIRE_USE_STRONG_PULLUP
/**
* @brief Pointer to function asserting of strong pull up.

View File

@ -18,14 +18,14 @@
/* Main ideas: */
/*===========================================================================
1) switch PWM output pin it open drain mode.
1) switch PWM output pin to open drain mode.
2) start 2 channels _simultaneously_. First (master channel) generates
pulses (read time slots) second (sample channel) generates interrupts
from where read pin function calls.
from where read pin function will be called.
- --------------------------------------- master channel generates pulses
| /
--
| / .
--............................. <---------- slave (not)pulls down bus here
- ----------------------------- sample channel reads pad state
| |
----------------
@ -40,8 +40,8 @@ on every timer overflow event.
/* General recommendations for strong pull usage */
/*===========================================================================
* 1) Use separate power rail instead of strong pull up whenever possible.
* Driver's strong pull up feature is very interrupt jitter sensible.
* 2) Use special 1-wire bus master (DS2484 for example) if you are
* Driver's strong pull up feature is very sensible to interrupt jitter.
* 2) Use specialized 1-wire bus master (DS2484 for example) if you are
* forced to handle bus requiring strong pull up feature.
*/
@ -76,7 +76,7 @@ on every timer overflow event.
#define ONEWIRE_RESET_TOTAL_WIDTH 960
/**
* @brief Forward declarations.
* @brief Local function declarations.
*/
static void ow_reset_cb(PWMDriver *pwmp, onewireDriver *owp);
static void pwm_reset_cb(PWMDriver *pwmp);
@ -101,17 +101,17 @@ onewireDriver OWD1;
/* Driver local variables and types. */
/*===========================================================================*/
/**
* @brief Config for fast initialization of all fields
* @brief Config for fast initialization of all config's fields
*/
static const PWMConfig pwm_default_cfg = {
1000000,
ONEWIRE_RESET_TOTAL_WIDTH,
NULL,
{
{PWM_OUTPUT_ACTIVE_LOW, NULL},
{PWM_OUTPUT_ACTIVE_LOW, NULL},
{PWM_OUTPUT_ACTIVE_LOW, NULL},
{PWM_OUTPUT_ACTIVE_LOW, NULL}
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL}
},
0,
0
@ -158,6 +158,41 @@ static const uint8_t onewire_crc_table[256] = {
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief Put bus in idle mode.
*/
static void onewire_bus_idle(onewireDriver *owp) {
#if defined(STM32F1XX)
palSetPadMode(owp->config->port, owp->config->pad,
owp->config->pad_mode_idle);
#endif
pwmStop(owp->config->pwmd);
}
/**
* @brief Put bus in active mode.
*/
static void onewire_bus_active(onewireDriver *owp) {
pwmStart(owp->config->pwmd, &owp->pwmcfg);
#if defined(STM32F1XX)
palSetPadMode(owp->config->port, owp->config->pad,
owp->config->pad_mode_active);
#endif
}
/**
* @brief Function performing read of single bit.
* @note It must be callable from any context.
*/
static uint_fast8_t readBitX(onewireDriver *owp) {
#if ONEWIRE_SYNTH_SEARCH_TEST
(void)owp;
return _synth_ow_read_bit();
#else
return palReadPad(owp->config->port, owp->config->pad);
#endif
}
/**
* @brief PWM adapter
*/
@ -226,7 +261,7 @@ static void ow_write_bit_I(onewireDriver *owp, uint_fast8_t bit) {
*/
static void ow_reset_cb(PWMDriver *pwmp, onewireDriver *owp) {
owp->reg.slave_present = (PAL_LOW == owp->config->readBitX());
owp->reg.slave_present = (PAL_LOW == readBitX(owp));
osalSysLockFromISR();
pwmDisableChannelI(pwmp, owp->config->sample_channel);
@ -253,7 +288,7 @@ static void ow_read_bit_cb(PWMDriver *pwmp, onewireDriver *owp) {
return;
}
else {
*owp->buf |= owp->config->readBitX() << owp->reg.bit;
*owp->buf |= readBitX(owp) << owp->reg.bit;
owp->reg.bit++;
if (8 == owp->reg.bit) {
owp->reg.bit = 0;
@ -414,11 +449,11 @@ static void ow_search_rom_cb(PWMDriver *pwmp, onewireDriver *owp) {
onewire_search_rom_t *sr = &owp->search_rom;
if (0 == sr->reg.bit_step) { /* read direct bit */
sr->reg.bit_buf |= owp->config->readBitX();
sr->reg.bit_buf |= readBitX(owp);
sr->reg.bit_step++;
}
else if (1 == sr->reg.bit_step) { /* read complement bit */
sr->reg.bit_buf |= owp->config->readBitX() << 1;
sr->reg.bit_buf |= readBitX(owp) << 1;
sr->reg.bit_step++;
switch(sr->reg.bit_buf){
case 0b11:
@ -572,7 +607,6 @@ void onewireObjectInit(onewireDriver *owp) {
void onewireStart(onewireDriver *owp, const onewireConfig *config) {
osalDbgCheck((NULL != owp) && (NULL != config));
osalDbgCheck(NULL != config->readBitX);
osalDbgAssert(PWM_STOP == config->pwmd->state,
"PWM will be started by onewire driver internally");
osalDbgAssert(ONEWIRE_STOP == owp->reg.state, "Invalid state");
@ -582,7 +616,11 @@ void onewireStart(onewireDriver *owp, const onewireConfig *config) {
#endif
owp->config = config;
pwmStart(owp->config->pwmd, &pwm_default_cfg);
#if !defined(STM32F1XX)
palSetPadMode(owp->config->port, owp->config->pad,
owp->config->pad_mode_active);
#endif
onewire_bus_idle(owp);
owp->reg.state = ONEWIRE_READY;
}
@ -598,6 +636,7 @@ void onewireStop(onewireDriver *owp) {
#if ONEWIRE_USE_STRONG_PULLUP
owp->config->pullup_release();
#endif
onewire_bus_idle(owp);
pwmStop(owp->config->pwmd);
owp->config = NULL;
owp->reg.state = ONEWIRE_STOP;
@ -613,41 +652,40 @@ void onewireStop(onewireDriver *owp) {
*/
bool onewireReset(onewireDriver *owp) {
PWMDriver *pwmd;
size_t mch, sch;
osalDbgCheck(NULL != owp);
osalDbgAssert(owp->reg.state == ONEWIRE_READY, "Invalid state");
/* short circuit on bus or any other device transmit data */
if (PAL_LOW == owp->config->readBitX())
if (PAL_LOW == readBitX(owp))
return false;
palSetPad(GPIOC, GPIOC_LED);
pwmd = owp->config->pwmd;
mch = owp->config->master_channel;
sch = owp->config->sample_channel;
owp->pwmcfg.period = ONEWIRE_RESET_LOW_WIDTH + ONEWIRE_RESET_SAMPLE_WIDTH;
owp->pwmcfg.callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[owp->config->sample_channel].callback = pwm_reset_cb;
owp->pwmcfg.channels[owp->config->sample_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[mch].callback = NULL;
owp->pwmcfg.channels[mch].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[sch].callback = pwm_reset_cb;
owp->pwmcfg.channels[sch].mode = PWM_OUTPUT_ACTIVE_LOW;
pwmStart(pwmd, &owp->pwmcfg);
palSetPadMode(GPIOB, 8, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
pwmEnableChannel(pwmd, owp->config->master_channel, ONEWIRE_RESET_LOW_WIDTH);
pwmEnableChannel(pwmd, owp->config->sample_channel, ONEWIRE_RESET_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, owp->config->sample_channel);
onewire_bus_active(owp);
pwmEnableChannel(pwmd, mch, ONEWIRE_RESET_LOW_WIDTH);
pwmEnableChannel(pwmd, sch, ONEWIRE_RESET_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, sch);
osalSysLock();
osalThreadSuspendS(&owp->thread);
osalSysUnlock();
palSetPadMode(GPIOB, 8, PAL_MODE_INPUT);
pwmStop(pwmd);
onewire_bus_idle(owp);
/* wait until slave release bus to discriminate short circuit condition */
osalThreadSleepMicroseconds(500);
return (PAL_HIGH == owp->config->readBitX()) && (true == owp->reg.slave_present);
return (PAL_HIGH == readBitX(owp)) && (true == owp->reg.slave_present);
}
/**
@ -659,6 +697,7 @@ bool onewireReset(onewireDriver *owp) {
*/
void onewireRead(onewireDriver *owp, uint8_t *rxbuf, size_t rxbytes) {
PWMDriver *pwmd;
size_t mch, sch;
osalDbgCheck((NULL != owp) && (NULL != rxbuf));
osalDbgCheck((rxbytes > 0) && (rxbytes < 65536));
@ -669,6 +708,8 @@ void onewireRead(onewireDriver *owp, uint8_t *rxbuf, size_t rxbytes) {
memset(rxbuf, 0, rxbytes);
pwmd = owp->config->pwmd;
mch = owp->config->master_channel;
sch = owp->config->sample_channel;
owp->reg.bit = 0;
owp->reg.final_timeslot = false;
@ -677,23 +718,21 @@ void onewireRead(onewireDriver *owp, uint8_t *rxbuf, size_t rxbytes) {
owp->pwmcfg.period = ONEWIRE_ZERO_WIDTH + ONEWIRE_RECOVERY_WIDTH;
owp->pwmcfg.callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[owp->config->sample_channel].callback = pwm_read_bit_cb;
owp->pwmcfg.channels[owp->config->sample_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[mch].callback = NULL;
owp->pwmcfg.channels[mch].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[sch].callback = pwm_read_bit_cb;
owp->pwmcfg.channels[sch].mode = PWM_OUTPUT_ACTIVE_LOW;
pwmStart(pwmd, &owp->pwmcfg);
palSetPadMode(GPIOB, 8, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
pwmEnableChannel(pwmd, owp->config->master_channel, ONEWIRE_ONE_WIDTH);
pwmEnableChannel(pwmd, owp->config->sample_channel, ONEWIRE_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, owp->config->sample_channel);
onewire_bus_active(owp);
pwmEnableChannel(pwmd, mch, ONEWIRE_ONE_WIDTH);
pwmEnableChannel(pwmd, sch, ONEWIRE_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, sch);
osalSysLock();
osalThreadSuspendS(&owp->thread);
osalSysUnlock();
palSetPadMode(GPIOB, 8, PAL_MODE_INPUT);
pwmStop(pwmd);
onewire_bus_idle(owp);
}
/**
@ -708,6 +747,7 @@ void onewireRead(onewireDriver *owp, uint8_t *rxbuf, size_t rxbytes) {
void onewireWrite(onewireDriver *owp, uint8_t *txbuf,
size_t txbytes, systime_t pullup_time) {
PWMDriver *pwmd;
size_t mch, sch;
osalDbgCheck((NULL != owp) && (NULL != txbuf));
osalDbgCheck((txbytes > 0) && (txbytes < 65536));
@ -718,6 +758,8 @@ void onewireWrite(onewireDriver *owp, uint8_t *txbuf,
#endif
pwmd = owp->config->pwmd;
mch = owp->config->master_channel;
sch = owp->config->sample_channel;
owp->buf = txbuf;
owp->reg.bit = 0;
@ -726,10 +768,10 @@ void onewireWrite(onewireDriver *owp, uint8_t *txbuf,
owp->pwmcfg.period = ONEWIRE_ZERO_WIDTH + ONEWIRE_RECOVERY_WIDTH;
owp->pwmcfg.callback = pwm_write_bit_cb;
owp->pwmcfg.channels[owp->config->master_channel].callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[owp->config->sample_channel].callback = NULL;
owp->pwmcfg.channels[owp->config->sample_channel].mode = PWM_OUTPUT_DISABLED;
owp->pwmcfg.channels[mch].callback = NULL;
owp->pwmcfg.channels[mch].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[sch].callback = NULL;
owp->pwmcfg.channels[sch].mode = PWM_OUTPUT_DISABLED;
#if ONEWIRE_USE_STRONG_PULLUP
if (pullup_time > 0) {
@ -738,8 +780,7 @@ void onewireWrite(onewireDriver *owp, uint8_t *txbuf,
}
#endif
pwmStart(pwmd, &owp->pwmcfg);
palSetPadMode(GPIOB, 8, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
onewire_bus_active(owp);
pwmEnablePeriodicNotification(pwmd);
osalSysLock();
@ -747,8 +788,7 @@ void onewireWrite(onewireDriver *owp, uint8_t *txbuf,
osalSysUnlock();
pwmDisablePeriodicNotification(pwmd);
palSetPadMode(GPIOB, 8, PAL_MODE_INPUT);
pwmStop(pwmd);
onewire_bus_idle(owp);
#if ONEWIRE_USE_STRONG_PULLUP
if (pullup_time > 0) {
@ -776,6 +816,7 @@ size_t onewireSearchRom(onewireDriver *owp, uint8_t *result,
size_t max_rom_cnt) {
PWMDriver *pwmd;
uint8_t cmd;
size_t mch, sch;
osalDbgCheck(NULL != owp);
osalDbgAssert(ONEWIRE_READY == owp->reg.state, "Invalid state");
@ -783,6 +824,8 @@ size_t onewireSearchRom(onewireDriver *owp, uint8_t *result,
pwmd = owp->config->pwmd;
cmd = ONEWIRE_CMD_SEARCH_ROM;
mch = owp->config->master_channel;
sch = owp->config->sample_channel;
search_clean_start(&owp->search_rom);
@ -807,22 +850,21 @@ size_t onewireSearchRom(onewireDriver *owp, uint8_t *result,
/* Reconfiguration always needed because of previous call onewireWrite.*/
owp->pwmcfg.period = ONEWIRE_ZERO_WIDTH + ONEWIRE_RECOVERY_WIDTH;
owp->pwmcfg.callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].callback = NULL;
owp->pwmcfg.channels[owp->config->master_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[owp->config->sample_channel].callback = pwm_search_rom_cb;
owp->pwmcfg.channels[owp->config->sample_channel].mode = PWM_OUTPUT_ACTIVE_LOW;
pwmStart(pwmd, &owp->pwmcfg);
palSetPadMode(GPIOB, 8, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
pwmEnableChannel(pwmd, owp->config->master_channel, ONEWIRE_ONE_WIDTH);
pwmEnableChannel(pwmd, owp->config->sample_channel, ONEWIRE_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, owp->config->sample_channel);
owp->pwmcfg.channels[mch].callback = NULL;
owp->pwmcfg.channels[mch].mode = PWM_OUTPUT_ACTIVE_LOW;
owp->pwmcfg.channels[sch].callback = pwm_search_rom_cb;
owp->pwmcfg.channels[sch].mode = PWM_OUTPUT_ACTIVE_LOW;
onewire_bus_active(owp);
pwmEnableChannel(pwmd, mch, ONEWIRE_ONE_WIDTH);
pwmEnableChannel(pwmd, sch, ONEWIRE_SAMPLE_WIDTH);
pwmEnableChannelNotification(pwmd, sch);
osalSysLock();
osalThreadSuspendS(&owp->thread);
osalSysUnlock();
palSetPadMode(GPIOB, 8, PAL_MODE_INPUT);
pwmStop(pwmd);
onewire_bus_idle(owp);
if (ONEWIRE_SEARCH_ROM_ERROR != owp->search_rom.reg.result) {
/* check CRC and return 0 (error status) if mismatch */

View File

@ -5,7 +5,7 @@
# Compiler options here.
ifeq ($(USE_OPT),)
USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
endif
# C specific options here (added to USE_OPT).
@ -87,7 +87,6 @@ include $(CHIBIOS)/os/hal/ports/STM32/STM32F1xx/platform.mk
include $(CHIBIOS)/os/hal/osal/rt/osal.mk
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f1xx.mk
include $(CHIBIOS)/test/rt/test.mk
# Define linker script file here
LDSCRIPT= $(PORTLD)/STM32F103xB.ld

View File

@ -34,12 +34,6 @@ int main(void) {
halInit();
chSysInit();
/*
* Connect PB8 to TIM4 channel 2, set open drain mode
* and enable internal pullup for slave absence detection.
*/
palSetPadMode(GPIOB, 8, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
/*
* Executes infinite onewire test code.
*/

View File

@ -1,310 +0,0 @@
/*
ChibiOS - Copyright (C) 2006-2014 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* STM32F4xx drivers configuration.
* The following settings override the default settings present in
* the various device driver implementation headers.
* Note that the settings for each driver only have effect if the whole
* driver is enabled in halconf.h.
*
* IRQ priorities:
* 15...0 Lowest...Highest.
*
* DMA priorities:
* 0...3 Lowest...Highest.
*/
#define STM32F4xx_MCUCONF
/*
* HAL driver system settings.
*/
#define STM32_NO_INIT FALSE
#define STM32_HSI_ENABLED TRUE
#define STM32_LSI_ENABLED TRUE
#define STM32_HSE_ENABLED TRUE
#define STM32_LSE_ENABLED FALSE
#define STM32_CLOCK48_REQUIRED TRUE
#define STM32_SW STM32_SW_PLL
#define STM32_PLLSRC STM32_PLLSRC_HSE
#define STM32_PLLM_VALUE 8
#define STM32_PLLN_VALUE 336
#define STM32_PLLP_VALUE 2
#define STM32_PLLQ_VALUE 7
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE1 STM32_PPRE1_DIV4
#define STM32_PPRE2 STM32_PPRE2_DIV2
#define STM32_RTCSEL STM32_RTCSEL_LSI
#define STM32_RTCPRE_VALUE 8
#define STM32_MCO1SEL STM32_MCO1SEL_HSI
#define STM32_MCO1PRE STM32_MCO1PRE_DIV1
#define STM32_MCO2SEL STM32_MCO2SEL_SYSCLK
#define STM32_MCO2PRE STM32_MCO2PRE_DIV5
#define STM32_I2SSRC STM32_I2SSRC_CKIN
#define STM32_PLLI2SN_VALUE 192
#define STM32_PLLI2SR_VALUE 5
#define STM32_PVD_ENABLE FALSE
#define STM32_PLS STM32_PLS_LEV0
#define STM32_BKPRAM_ENABLE FALSE
/*
* ADC driver system settings.
*/
#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV4
#define STM32_ADC_USE_ADC1 FALSE
#define STM32_ADC_USE_ADC2 FALSE
#define STM32_ADC_USE_ADC3 FALSE
#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(2, 4)
#define STM32_ADC_ADC2_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
#define STM32_ADC_ADC3_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
#define STM32_ADC_ADC1_DMA_PRIORITY 2
#define STM32_ADC_ADC2_DMA_PRIORITY 2
#define STM32_ADC_ADC3_DMA_PRIORITY 2
#define STM32_ADC_IRQ_PRIORITY 6
#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 6
#define STM32_ADC_ADC2_DMA_IRQ_PRIORITY 6
#define STM32_ADC_ADC3_DMA_IRQ_PRIORITY 6
/*
* CAN driver system settings.
*/
#define STM32_CAN_USE_CAN1 FALSE
#define STM32_CAN_USE_CAN2 FALSE
#define STM32_CAN_CAN1_IRQ_PRIORITY 11
#define STM32_CAN_CAN2_IRQ_PRIORITY 11
/*
* EXT driver system settings.
*/
#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
#define STM32_EXT_EXTI17_IRQ_PRIORITY 15
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
#define STM32_EXT_EXTI21_IRQ_PRIORITY 15
#define STM32_EXT_EXTI22_IRQ_PRIORITY 15
/*
* GPT driver system settings.
*/
#define STM32_GPT_USE_TIM1 FALSE
#define STM32_GPT_USE_TIM2 FALSE
#define STM32_GPT_USE_TIM3 FALSE
#define STM32_GPT_USE_TIM4 FALSE
#define STM32_GPT_USE_TIM5 FALSE
#define STM32_GPT_USE_TIM6 FALSE
#define STM32_GPT_USE_TIM7 FALSE
#define STM32_GPT_USE_TIM8 FALSE
#define STM32_GPT_USE_TIM9 FALSE
#define STM32_GPT_USE_TIM11 FALSE
#define STM32_GPT_USE_TIM12 FALSE
#define STM32_GPT_USE_TIM14 FALSE
#define STM32_GPT_TIM1_IRQ_PRIORITY 7
#define STM32_GPT_TIM2_IRQ_PRIORITY 7
#define STM32_GPT_TIM3_IRQ_PRIORITY 7
#define STM32_GPT_TIM4_IRQ_PRIORITY 7
#define STM32_GPT_TIM5_IRQ_PRIORITY 7
#define STM32_GPT_TIM6_IRQ_PRIORITY 7
#define STM32_GPT_TIM7_IRQ_PRIORITY 7
#define STM32_GPT_TIM8_IRQ_PRIORITY 7
#define STM32_GPT_TIM9_IRQ_PRIORITY 7
#define STM32_GPT_TIM11_IRQ_PRIORITY 7
#define STM32_GPT_TIM12_IRQ_PRIORITY 7
#define STM32_GPT_TIM14_IRQ_PRIORITY 7
/*
* I2C driver system settings.
*/
#define STM32_I2C_USE_I2C1 FALSE
#define STM32_I2C_USE_I2C2 FALSE
#define STM32_I2C_USE_I2C3 FALSE
#define STM32_I2C_BUSY_TIMEOUT 50
#define STM32_I2C_I2C1_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
#define STM32_I2C_I2C1_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
#define STM32_I2C_I2C2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#define STM32_I2C_I2C2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_I2C_I2C3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#define STM32_I2C_I2C3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
#define STM32_I2C_I2C1_IRQ_PRIORITY 5
#define STM32_I2C_I2C2_IRQ_PRIORITY 5
#define STM32_I2C_I2C3_IRQ_PRIORITY 5
#define STM32_I2C_I2C1_DMA_PRIORITY 3
#define STM32_I2C_I2C2_DMA_PRIORITY 3
#define STM32_I2C_I2C3_DMA_PRIORITY 3
#define STM32_I2C_DMA_ERROR_HOOK(i2cp) osalSysHalt("DMA failure")
/*
* ICU driver system settings.
*/
#define STM32_ICU_USE_TIM1 FALSE
#define STM32_ICU_USE_TIM2 FALSE
#define STM32_ICU_USE_TIM3 FALSE
#define STM32_ICU_USE_TIM4 FALSE
#define STM32_ICU_USE_TIM5 FALSE
#define STM32_ICU_USE_TIM8 FALSE
#define STM32_ICU_USE_TIM9 FALSE
#define STM32_ICU_TIM1_IRQ_PRIORITY 7
#define STM32_ICU_TIM2_IRQ_PRIORITY 7
#define STM32_ICU_TIM3_IRQ_PRIORITY 7
#define STM32_ICU_TIM4_IRQ_PRIORITY 7
#define STM32_ICU_TIM5_IRQ_PRIORITY 7
#define STM32_ICU_TIM8_IRQ_PRIORITY 7
#define STM32_ICU_TIM9_IRQ_PRIORITY 7
/*
* MAC driver system settings.
*/
#define STM32_MAC_TRANSMIT_BUFFERS 2
#define STM32_MAC_RECEIVE_BUFFERS 4
#define STM32_MAC_BUFFERS_SIZE 1522
#define STM32_MAC_PHY_TIMEOUT 100
#define STM32_MAC_ETH1_CHANGE_PHY_STATE TRUE
#define STM32_MAC_ETH1_IRQ_PRIORITY 13
#define STM32_MAC_IP_CHECKSUM_OFFLOAD 0
/*
* PWM driver system settings.
*/
#define STM32_PWM_USE_ADVANCED FALSE
#define STM32_PWM_USE_TIM1 FALSE
#define STM32_PWM_USE_TIM2 FALSE
#define STM32_PWM_USE_TIM3 FALSE
#define STM32_PWM_USE_TIM4 TRUE
#define STM32_PWM_USE_TIM5 FALSE
#define STM32_PWM_USE_TIM8 FALSE
#define STM32_PWM_USE_TIM9 FALSE
#define STM32_PWM_TIM1_IRQ_PRIORITY 7
#define STM32_PWM_TIM2_IRQ_PRIORITY 7
#define STM32_PWM_TIM3_IRQ_PRIORITY 7
#define STM32_PWM_TIM4_IRQ_PRIORITY 7
#define STM32_PWM_TIM5_IRQ_PRIORITY 7
#define STM32_PWM_TIM8_IRQ_PRIORITY 7
#define STM32_PWM_TIM9_IRQ_PRIORITY 7
/*
* SDC driver system settings.
*/
#define STM32_SDC_SDIO_DMA_PRIORITY 3
#define STM32_SDC_SDIO_IRQ_PRIORITY 9
#define STM32_SDC_WRITE_TIMEOUT_MS 250
#define STM32_SDC_READ_TIMEOUT_MS 25
#define STM32_SDC_CLOCK_ACTIVATION_DELAY 10
#define STM32_SDC_SDIO_UNALIGNED_SUPPORT TRUE
#define STM32_SDC_SDIO_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
/*
* SERIAL driver system settings.
*/
#define STM32_SERIAL_USE_USART1 FALSE
#define STM32_SERIAL_USE_USART2 TRUE
#define STM32_SERIAL_USE_USART3 FALSE
#define STM32_SERIAL_USE_UART4 FALSE
#define STM32_SERIAL_USE_UART5 FALSE
#define STM32_SERIAL_USE_USART6 FALSE
#define STM32_SERIAL_USART1_PRIORITY 12
#define STM32_SERIAL_USART2_PRIORITY 12
#define STM32_SERIAL_USART3_PRIORITY 12
#define STM32_SERIAL_UART4_PRIORITY 12
#define STM32_SERIAL_UART5_PRIORITY 12
#define STM32_SERIAL_USART6_PRIORITY 12
/*
* SPI driver system settings.
*/
#define STM32_SPI_USE_SPI1 FALSE
#define STM32_SPI_USE_SPI2 FALSE
#define STM32_SPI_USE_SPI3 FALSE
#define STM32_SPI_SPI1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 0)
#define STM32_SPI_SPI1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
#define STM32_SPI_SPI2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
#define STM32_SPI_SPI2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
#define STM32_SPI_SPI3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
#define STM32_SPI_SPI3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_SPI_SPI1_DMA_PRIORITY 1
#define STM32_SPI_SPI2_DMA_PRIORITY 1
#define STM32_SPI_SPI3_DMA_PRIORITY 1
#define STM32_SPI_SPI1_IRQ_PRIORITY 10
#define STM32_SPI_SPI2_IRQ_PRIORITY 10
#define STM32_SPI_SPI3_IRQ_PRIORITY 10
#define STM32_SPI_DMA_ERROR_HOOK(spip) osalSysHalt("DMA failure")
/*
* ST driver system settings.
*/
#define STM32_ST_IRQ_PRIORITY 8
#define STM32_ST_USE_TIMER 2
/*
* UART driver system settings.
*/
#define STM32_UART_USE_USART1 FALSE
#define STM32_UART_USE_USART2 FALSE
#define STM32_UART_USE_USART3 FALSE
#define STM32_UART_USE_UART4 FALSE
#define STM32_UART_USE_UART5 FALSE
#define STM32_UART_USE_USART6 FALSE
#define STM32_UART_USART1_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
#define STM32_UART_USART1_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7)
#define STM32_UART_USART2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
#define STM32_UART_USART2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 6)
#define STM32_UART_USART3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
#define STM32_UART_USART3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 3)
#define STM32_UART_UART4_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 2)
#define STM32_UART_UART4_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
#define STM32_UART_UART5_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
#define STM32_UART_UART5_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
#define STM32_UART_USART6_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
#define STM32_UART_USART6_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 7)
#define STM32_UART_USART1_IRQ_PRIORITY 12
#define STM32_UART_USART2_IRQ_PRIORITY 12
#define STM32_UART_USART3_IRQ_PRIORITY 12
#define STM32_UART_UART4_IRQ_PRIORITY 12
#define STM32_UART_UART5_IRQ_PRIORITY 12
#define STM32_UART_USART6_IRQ_PRIORITY 12
#define STM32_UART_USART1_DMA_PRIORITY 0
#define STM32_UART_USART2_DMA_PRIORITY 0
#define STM32_UART_USART3_DMA_PRIORITY 0
#define STM32_UART_UART4_DMA_PRIORITY 0
#define STM32_UART_UART5_DMA_PRIORITY 0
#define STM32_UART_USART6_DMA_PRIORITY 0
#define STM32_UART_DMA_ERROR_HOOK(uartp) osalSysHalt("DMA failure")
/*
* USB driver system settings.
*/
#define STM32_USB_USE_OTG1 FALSE
#define STM32_USB_USE_OTG2 FALSE
#define STM32_USB_OTG1_IRQ_PRIORITY 14
#define STM32_USB_OTG2_IRQ_PRIORITY 14
#define STM32_USB_OTG1_RX_FIFO_SIZE 512
#define STM32_USB_OTG2_RX_FIFO_SIZE 1024
#define STM32_USB_OTG_THREAD_PRIO LOWPRIO
#define STM32_USB_OTG_THREAD_STACK_SIZE 128
#define STM32_USB_OTGFIFO_FILL_BASEPRI 0
/*
* header for community drivers.
*/
#include "mcuconf_community.h"

View File

@ -32,19 +32,23 @@
#if defined(BOARD_ST_STM32F4_DISCOVERY)
#define GPIOB_ONEWIRE GPIOB_PIN8
#define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUDR_PULLUP)
#define search_led_off() (palClearPad(GPIOD, GPIOD_LED4))
#define search_led_on() (palSetPad(GPIOD, GPIOD_LED4))
#define ONEWIRE_MASTER_CHANNEL 2
#define ONEWIRE_SAMPLE_CHANNEL 3
#elif defined(BOARD_OLIMEX_STM32_103STK)
#define GPIOB_ONEWIRE 8
#define search_led_off() (palClearPad(GPIOC, GPIOC_LED))
#define search_led_on() (palSetPad(GPIOC, GPIOC_LED))
#define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT
#define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
#define search_led_on() (palClearPad(GPIOC, GPIOC_LED))
#define search_led_off() (palSetPad(GPIOC, GPIOC_LED))
#define ONEWIRE_MASTER_CHANNEL 2
#define ONEWIRE_SAMPLE_CHANNEL 3
#else
#define GPIOB_ONEWIRE GPIOB_TACHOMETER
#include "pads.h"
#define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUDR_PULLUP)
#define search_led_on red_led_on
#define search_led_off red_led_off
#define ONEWIRE_MASTER_CHANNEL 2
@ -65,7 +69,6 @@
/*
* Forward declarations
*/
static uint_fast8_t onewire_read_bit_X(void);
#if ONEWIRE_USE_STRONG_PULLUP
static void strong_pullup_assert(void);
static void strong_pullup_release(void);
@ -88,7 +91,12 @@ static const onewireConfig ow_cfg = {
&PWMD4,
ONEWIRE_MASTER_CHANNEL,
ONEWIRE_SAMPLE_CHANNEL,
onewire_read_bit_X,
GPIOB,
GPIOB_ONEWIRE,
#if defined(STM32F1XX)
ONEWIRE_PAD_MODE_IDLE,
#endif
ONEWIRE_PAD_MODE_ACTIVE,
#if ONEWIRE_USE_STRONG_PULLUP
strong_pullup_assert,
strong_pullup_release
@ -121,17 +129,6 @@ static void strong_pullup_release(void) {
}
#endif /* ONEWIRE_USE_STRONG_PULLUP */
/**
*
*/
static uint_fast8_t onewire_read_bit_X(void) {
#if ONEWIRE_SYNTH_SEARCH_TEST
return _synth_ow_read_bit();
#else
return palReadPad(GPIOB, GPIOB_ONEWIRE);
#endif
}
/*
******************************************************************************
* EXPORTED FUNCTIONS

View File

@ -65,7 +65,7 @@ endif
# Enables the use of FPU on Cortex-M4 (no, softfp, hard).
ifeq ($(USE_FPU),)
USE_FPU = hard
USE_FPU = softfp
endif
#
@ -87,7 +87,6 @@ include $(CHIBIOS)/community/os/hal/ports/STM32/STM32F4xx/platform.mk
include $(CHIBIOS)/os/hal/osal/rt/osal.mk
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk
include $(CHIBIOS)/test/rt/test.mk
# Define linker script file here
LDSCRIPT= $(PORTLD)/STM32F407xG.ld

View File

@ -34,13 +34,6 @@ int main(void) {
halInit();
chSysInit();
/*
* Connect PB8 to TIM4 channel 2, set open drain mode
* and enable internal pullup for slave absence detection.
*/
palSetPadMode(GPIOB, GPIOB_PIN8,
PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUDR_PULLUP);
/*
* Executes infinite onewire test code.
*/

View File

@ -32,19 +32,23 @@
#if defined(BOARD_ST_STM32F4_DISCOVERY)
#define GPIOB_ONEWIRE GPIOB_PIN8
#define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUDR_PULLUP)
#define search_led_off() (palClearPad(GPIOD, GPIOD_LED4))
#define search_led_on() (palSetPad(GPIOD, GPIOD_LED4))
#define ONEWIRE_MASTER_CHANNEL 2
#define ONEWIRE_SAMPLE_CHANNEL 3
#elif defined(BOARD_OLIMEX_STM32_103STK)
#define GPIOB_ONEWIRE 8
#define search_led_off() (palClearPad(GPIOC, GPIOC_LED))
#define search_led_on() (palSetPad(GPIOC, GPIOC_LED))
#define ONEWIRE_MASTER_CHANNEL 3
#define ONEWIRE_SAMPLE_CHANNEL 2
#define ONEWIRE_PAD_MODE_IDLE PAL_MODE_INPUT
#define ONEWIRE_PAD_MODE_ACTIVE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
#define search_led_on() (palClearPad(GPIOC, GPIOC_LED))
#define search_led_off() (palSetPad(GPIOC, GPIOC_LED))
#define ONEWIRE_MASTER_CHANNEL 2
#define ONEWIRE_SAMPLE_CHANNEL 3
#else
#define GPIOB_ONEWIRE GPIOB_TACHOMETER
#include "pads.h"
#define ONEWIRE_PAD_MODE_ACTIVE (PAL_MODE_ALTERNATE(2) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_PUDR_PULLUP)
#define search_led_on red_led_on
#define search_led_off red_led_off
#define ONEWIRE_MASTER_CHANNEL 2
@ -65,7 +69,6 @@
/*
* Forward declarations
*/
static uint_fast8_t onewire_read_bit_X(void);
#if ONEWIRE_USE_STRONG_PULLUP
static void strong_pullup_assert(void);
static void strong_pullup_release(void);
@ -88,7 +91,12 @@ static const onewireConfig ow_cfg = {
&PWMD4,
ONEWIRE_MASTER_CHANNEL,
ONEWIRE_SAMPLE_CHANNEL,
onewire_read_bit_X,
GPIOB,
GPIOB_ONEWIRE,
#if defined(STM32F1XX)
ONEWIRE_PAD_MODE_IDLE,
#endif
ONEWIRE_PAD_MODE_ACTIVE,
#if ONEWIRE_USE_STRONG_PULLUP
strong_pullup_assert,
strong_pullup_release
@ -121,17 +129,6 @@ static void strong_pullup_release(void) {
}
#endif /* ONEWIRE_USE_STRONG_PULLUP */
/**
*
*/
static uint_fast8_t onewire_read_bit_X(void) {
#if ONEWIRE_SYNTH_SEARCH_TEST
return _synth_ow_read_bit();
#else
return palReadPad(GPIOB, GPIOB_ONEWIRE);
#endif
}
/*
******************************************************************************
* EXPORTED FUNCTIONS