STM32F4-Discovery demo working.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3516 35acf78f-673a-0410-8e92-d51de3d6d3f4master
parent
d4901e2acc
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9369d75516
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@ -11,7 +11,7 @@ The demo runs on an ST STM32L-Discovery board.
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The demo shows how to use the ADC, PWM and SPI drivers using asynchronous
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APIs. The ADC samples two channels (temperature sensor and PC0) and modulates
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the PWM using the sampled values. The sample data is also transmitted using
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the SPI port 1.
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the SPI port 2 (NSS=PB12, SCK=PB13, MISO=PB14, MOSI=PB15).
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By pressing the button located on the board the test procedure is activated
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with output on the serial port COM1 (USART1).
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@ -128,11 +128,11 @@ void adccb(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
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/* Changes the channels pulse width, the change will be effective
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starting from the next cycle.*/
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pwmEnableChannelI(&PWMD4, 0, PWM_FRACTION_TO_WIDTH(&PWMD4, 4096, avg_ch1));
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// pwmEnableChannelI(&PWMD4, 3, PWM_FRACTION_TO_WIDTH(&PWMD4, 4096, avg_ch2));
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pwmEnableChannelI(&PWMD4, 3, PWM_FRACTION_TO_WIDTH(&PWMD4, 4096, avg_ch2));
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/* SPI slave selection and transmission start.*/
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// spiSelectI(&SPID2);
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// spiStartSendI(&SPID2, ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH, samples);
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spiSelectI(&SPID2);
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spiStartSendI(&SPID2, ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH, samples);
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chSysUnlockFromIsr();
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}
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@ -9,9 +9,9 @@ The demo runs on an ST STM32F4-Discovery board.
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** The Demo **
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The demo shows how to use the ADC, PWM and SPI drivers using asynchronous
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APIs. The ADC samples two channels (temperature sensor and PC0) and modulates
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APIs. The ADC samples two channels (temperature sensor and PC1) and modulates
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the PWM using the sampled values. The sample data is also transmitted using
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the SPI port 1.
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the SPI port 2 (NSS=PB12, SCK=PB13, MISO=PB14, MOSI=PB15).
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By pressing the button located on the board the test procedure is activated
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with output on the serial port SD2 (USART2).
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@ -346,8 +346,8 @@ void icu_lld_start(ICUDriver *icup) {
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icup->tim->CR1 = 0; /* Timer disabled. */
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icup->tim->DIER = 0; /* All IRQs disabled. */
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icup->tim->SR = 0; /* Clear eventual pending IRQs. */
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icup->tim->CCR1 = 0; /* Comparator 1 disabled. */
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icup->tim->CCR2 = 0; /* Comparator 2 disabled. */
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icup->tim->CCR[0] = 0; /* Comparator 1 disabled. */
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icup->tim->CCR[1] = 0; /* Comparator 2 disabled. */
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icup->tim->CNT = 0; /* Counter reset to zero. */
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}
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@ -262,7 +262,7 @@ struct ICUDriver {
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*
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* @notapi
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*/
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#define icu_lld_get_width(icup) ((icup)->tim->CCR2 + 1)
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#define icu_lld_get_width(icup) ((icup)->tim->CCR[1] + 1)
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/**
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* @brief Returns the width of the latest cycle.
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@ -274,7 +274,7 @@ struct ICUDriver {
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*
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* @notapi
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*/
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#define icu_lld_get_period(icup) ((icup)->tim->CCR1 + 1)
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#define icu_lld_get_period(icup) ((icup)->tim->CCR[0] + 1)
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/*===========================================================================*/
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/* External declarations. */
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@ -422,10 +422,10 @@ void pwm_lld_start(PWMDriver *pwmp) {
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pwmp->tim->CR1 = 0; /* Timer disabled. */
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pwmp->tim->DIER = 0; /* All IRQs disabled. */
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pwmp->tim->SR = 0; /* Clear eventual pending IRQs. */
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pwmp->tim->CCR1 = 0; /* Comparator 1 disabled. */
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pwmp->tim->CCR2 = 0; /* Comparator 2 disabled. */
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pwmp->tim->CCR3 = 0; /* Comparator 3 disabled. */
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pwmp->tim->CCR4 = 0; /* Comparator 4 disabled. */
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pwmp->tim->CCR[0] = 0; /* Comparator 1 disabled. */
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pwmp->tim->CCR[1] = 0; /* Comparator 2 disabled. */
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pwmp->tim->CCR[2] = 0; /* Comparator 3 disabled. */
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pwmp->tim->CCR[3] = 0; /* Comparator 4 disabled. */
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pwmp->tim->CNT = 0; /* Counter reset to zero. */
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}
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@ -599,7 +599,7 @@ void pwm_lld_enable_channel(PWMDriver *pwmp,
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pwmchannel_t channel,
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pwmcnt_t width) {
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*(&pwmp->tim->CCR1 + (channel * 2)) = width; /* New duty cycle. */
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pwmp->tim->CCR[channel] = width; /* New duty cycle. */
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/* If there is a callback defined for the channel then the associated
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interrupt must be enabled.*/
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if (pwmp->config->channels[channel].callback != NULL) {
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@ -627,7 +627,7 @@ void pwm_lld_enable_channel(PWMDriver *pwmp,
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*/
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void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
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*(&pwmp->tim->CCR1 + (channel * 2)) = 0;
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pwmp->tim->CCR[channel] = 0;
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pwmp->tim->DIER &= ~(2 << channel);
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}
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@ -43,6 +43,12 @@
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#ifndef _HAL_LLD_H_
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#define _HAL_LLD_H_
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#include "stm32f10x.h"
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/* STM32 DMA and RCC helpers.*/
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#include "stm32_dma.h"
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#include "stm32_rcc.h"
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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@ -100,6 +106,47 @@
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief STM32 TIM registers block.
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* @note Removed from the ST headers and redefined because the non uniform
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* declaration of the CCR registers among the various sub-families.
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*/
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typedef struct {
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volatile uint16_t CR1;
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uint16_t _resvd0;
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volatile uint16_t CR2;
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uint16_t _resvd1;
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volatile uint16_t SMCR;
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uint16_t _resvd2;
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volatile uint16_t DIER;
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uint16_t _resvd3;
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volatile uint16_t SR;
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uint16_t _resvd4;
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volatile uint16_t EGR;
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uint16_t _resvd5;
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volatile uint16_t CCMR1;
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uint16_t _resvd6;
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volatile uint16_t CCMR2;
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uint16_t _resvd7;
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volatile uint16_t CCER;
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uint16_t _resvd8;
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volatile uint32_t CNT;
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volatile uint16_t PSC;
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uint16_t _resvd9;
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volatile uint32_t ARR;
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volatile uint16_t RCR;
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uint16_t _resvd10;
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volatile uint32_t CCR[4];
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volatile uint16_t BDTR;
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uint16_t _resvd11;
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volatile uint16_t DCR;
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uint16_t _resvd12;
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volatile uint16_t DMAR;
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uint16_t _resvd13;
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volatile uint16_t OR;
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uint16_t _resvd14;
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} TIM_TypeDef;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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@ -108,18 +155,6 @@
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/* External declarations. */
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/*===========================================================================*/
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/* Tricks required to make the TRUE/FALSE declaration inside the library
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compatible.*/
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#undef FALSE
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#undef TRUE
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#include "stm32f10x.h"
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#define FALSE 0
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#define TRUE (!FALSE)
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/* STM32 DMA and RCC helpers.*/
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#include "stm32_dma.h"
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#include "stm32_rcc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -1198,6 +1198,8 @@ typedef struct
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* @brief TIM
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*/
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/* CHIBIOS FIX */
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#if 0
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typedef struct
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{
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__IO uint16_t CR1;
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@ -1241,6 +1243,7 @@ typedef struct
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__IO uint16_t DMAR;
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uint16_t RESERVED19;
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} TIM_TypeDef;
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#endif
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/**
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* @brief Universal Synchronous Asynchronous Receiver Transmitter
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@ -1262,6 +1262,47 @@
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief STM32 TIM registers block.
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* @note Removed from the ST headers and redefined because the non uniform
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* declaration of the CCR registers among the various sub-families.
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*/
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typedef struct {
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volatile uint16_t CR1;
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uint16_t _resvd0;
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volatile uint16_t CR2;
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uint16_t _resvd1;
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volatile uint16_t SMCR;
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uint16_t _resvd2;
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volatile uint16_t DIER;
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uint16_t _resvd3;
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volatile uint16_t SR;
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uint16_t _resvd4;
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volatile uint16_t EGR;
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uint16_t _resvd5;
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volatile uint16_t CCMR1;
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uint16_t _resvd6;
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volatile uint16_t CCMR2;
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uint16_t _resvd7;
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volatile uint16_t CCER;
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uint16_t _resvd8;
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volatile uint32_t CNT;
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volatile uint16_t PSC;
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uint16_t _resvd9;
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volatile uint32_t ARR;
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volatile uint16_t RCR;
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uint16_t _resvd10;
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volatile uint32_t CCR[4];
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volatile uint16_t BDTR;
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uint16_t _resvd11;
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volatile uint16_t DCR;
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uint16_t _resvd12;
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volatile uint16_t DMAR;
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uint16_t _resvd13;
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volatile uint16_t OR;
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uint16_t _resvd14;
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} TIM_TypeDef;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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@ -868,6 +868,8 @@ typedef struct
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* @brief TIM
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*/
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/* CHIBIOS FIX */
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#if 0
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typedef struct
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{
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__IO uint16_t CR1; /*!< TIM control register 1, Address offset: 0x00 */
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__IO uint16_t OR; /*!< TIM option register, Address offset: 0x50 */
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uint16_t RESERVED14; /*!< Reserved, 0x52 */
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} TIM_TypeDef;
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#endif
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/**
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* @brief Universal Synchronous Asynchronous Receiver Transmitter
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@ -37,13 +37,11 @@
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#ifndef _HAL_LLD_H_
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#define _HAL_LLD_H_
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/* Tricks required to make the TRUE/FALSE declaration inside the library
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compatible.*/
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#undef FALSE
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#undef TRUE
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#include "stm32l1xx.h"
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#define FALSE 0
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#define TRUE (!FALSE)
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/* STM32 DMA and RCC helpers.*/
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#include "stm32_dma.h"
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#include "stm32_rcc.h"
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/*===========================================================================*/
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/* Driver constants. */
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@ -933,6 +931,47 @@
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief STM32 TIM registers block.
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* @note Removed from the ST headers and redefined because the non uniform
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* declaration of the CCR registers among the various sub-families.
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*/
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typedef struct {
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volatile uint16_t CR1;
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uint16_t _resvd0;
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volatile uint16_t CR2;
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uint16_t _resvd1;
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volatile uint16_t SMCR;
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uint16_t _resvd2;
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volatile uint16_t DIER;
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uint16_t _resvd3;
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volatile uint16_t SR;
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uint16_t _resvd4;
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volatile uint16_t EGR;
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uint16_t _resvd5;
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volatile uint16_t CCMR1;
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uint16_t _resvd6;
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volatile uint16_t CCMR2;
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uint16_t _resvd7;
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volatile uint16_t CCER;
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uint16_t _resvd8;
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volatile uint32_t CNT;
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volatile uint16_t PSC;
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uint16_t _resvd9;
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volatile uint32_t ARR;
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volatile uint16_t RCR;
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uint16_t _resvd10;
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volatile uint32_t CCR[4];
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volatile uint16_t BDTR;
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uint16_t _resvd11;
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volatile uint16_t DCR;
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uint16_t _resvd12;
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volatile uint16_t DMAR;
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uint16_t _resvd13;
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volatile uint16_t OR;
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uint16_t _resvd14;
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} TIM_TypeDef;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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@ -941,10 +980,6 @@
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/* External declarations. */
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/*===========================================================================*/
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/* STM32 DMA and RCC helpers.*/
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#include "stm32_dma.h"
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#include "stm32_rcc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -615,6 +615,8 @@ typedef struct
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* @brief TIM
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*/
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/* CHIBIOS FIX */
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#if 0
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typedef struct
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{
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__IO uint16_t CR1;
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__IO uint16_t OR;
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uint16_t RESERVED20;
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} TIM_TypeDef;
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#endif
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/**
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* @brief Universal Synchronous Asynchronous Receiver Transmitter
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@ -84,6 +84,7 @@
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(backported to 2.2.8).
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- FIX: Fixed broken TIM8 support in STM32 PWM driver (bug 3418620).
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- FIX: Fixed halconf.h file corrupted in some STM32 demos (bug 3418626).
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- NEW: Added demo for the ST STM32F4-Discovery kit.
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- NEW: STM32F4xx ADC driver implementation.
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TODO: Backport the new solutions implemented in this ADC driver to the
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STM32L1xx ADC driver.
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