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STM32 HAL-only PWM driver #430

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14 changes: 7 additions & 7 deletions src/current_sense/hardware_specific/stm32/b_g431/b_g431_mcu.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ void* _configureADCLowSide(const void* driver_params, const int pinA,const int p
Stm32CurrentSenseParams* params = new Stm32CurrentSenseParams {
.pins = { pinA, pinB, pinC },
.adc_voltage_conv = (_ADC_VOLTAGE) / (_ADC_RESOLUTION),
.timer_handle = (HardwareTimer *)(HardwareTimer_Handle[get_timer_index(TIM1)]->__this)
.timer_handle = ((STM32DriverParams*)driver_params)->timers_handle[0],
};

return params;
Expand All @@ -153,21 +153,21 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
Stm32CurrentSenseParams* cs_params = (Stm32CurrentSenseParams*)_cs_params;

// stop all the timers for the driver
_stopTimers(driver_params->timers, 6);
stm32_pause(driver_params);

// if timer has repetition counter - it will downsample using it
// and it does not need the software downsample
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->getHandle()->Instance) ){
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->Instance) ){
// adjust the initial timer state such that the trigger for DMA transfer aligns with the pwm peaks instead of throughs.
// only necessary for the timers that have repetition counters
cs_params->timer_handle->getHandle()->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->getHandle()->Instance->CNT = cs_params->timer_handle->getHandle()->Instance->ARR;
cs_params->timer_handle->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->Instance->CNT = cs_params->timer_handle->Instance->ARR;
}
// set the trigger output event
LL_TIM_SetTriggerOutput(cs_params->timer_handle->getHandle()->Instance, LL_TIM_TRGO_UPDATE);
LL_TIM_SetTriggerOutput(cs_params->timer_handle->Instance, LL_TIM_TRGO_UPDATE);

// restart all the timers of the driver
_startTimers(driver_params->timers, 6);
stm32_resume(driver_params);

// return the cs parameters
// successfully initialized
Expand Down
2 changes: 1 addition & 1 deletion src/current_sense/hardware_specific/stm32/stm32_mcu.h
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ typedef struct Stm32CurrentSenseParams {
int pins[3] = {(int)NOT_SET};
float adc_voltage_conv;
ADC_HandleTypeDef* adc_handle = NP;
HardwareTimer* timer_handle = NP;
TIM_HandleTypeDef* timer_handle = NP;
} Stm32CurrentSenseParams;

#endif
Expand Down
24 changes: 12 additions & 12 deletions src/current_sense/hardware_specific/stm32/stm32f1/stm32f1_hal.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -7,19 +7,19 @@

// timer to injected TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h#L215
uint32_t _timerToInjectedTRGO(HardwareTimer* timer){
if(timer->getHandle()->Instance == TIM1)
uint32_t _timerToInjectedTRGO(TIM_HandleTypeDef* timer){
if(timer->Instance == TIM1)
return ADC_EXTERNALTRIGINJECCONV_T1_TRGO;
#ifdef TIM2 // if defined timer 2
else if(timer->getHandle()->Instance == TIM2)
else if(timer->Instance == TIM2)
return ADC_EXTERNALTRIGINJECCONV_T2_TRGO;
#endif
#ifdef TIM4 // if defined timer 4
else if(timer->getHandle()->Instance == TIM4)
else if(timer->Instance == TIM4)
return ADC_EXTERNALTRIGINJECCONV_T4_TRGO;
#endif
#ifdef TIM5 // if defined timer 5
else if(timer->getHandle()->Instance == TIM5)
else if(timer->Instance == TIM5)
return ADC_EXTERNALTRIGINJECCONV_T5_TRGO;
#endif
else
Expand All @@ -28,11 +28,11 @@ uint32_t _timerToInjectedTRGO(HardwareTimer* timer){

// timer to regular TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_adc_ex.h#L215
uint32_t _timerToRegularTRGO(HardwareTimer* timer){
if(timer->getHandle()->Instance == TIM3)
uint32_t _timerToRegularTRGO(TIM_HandleTypeDef* timer){
if(timer->Instance == TIM3)
return ADC_EXTERNALTRIGCONV_T3_TRGO;
#ifdef TIM8 // if defined timer 8
else if(timer->getHandle()->Instance == TIM8)
else if(timer->Instance == TIM8)
return ADC_EXTERNALTRIGCONV_T8_TRGO;
#endif
else
Expand Down Expand Up @@ -82,16 +82,16 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive

// automating TRGO flag finding - hardware specific
uint8_t tim_num = 0;
while(driver_params->timers[tim_num] != NP && tim_num < 6){
uint32_t trigger_flag = _timerToInjectedTRGO(driver_params->timers[tim_num++]);
while(driver_params->timers_handle[tim_num] != NP && tim_num < 6){
uint32_t trigger_flag = _timerToInjectedTRGO(driver_params->timers_handle[tim_num++]);
if(trigger_flag == _TRGO_NOT_AVAILABLE) continue; // timer does not have valid trgo for injected channels

// if the code comes here, it has found the timer available
// timer does have trgo flag for injected channels
sConfigInjected.ExternalTrigInjecConv = trigger_flag;

// this will be the timer with which the ADC will sync
cs_params->timer_handle = driver_params->timers[tim_num-1];
cs_params->timer_handle = driver_params->timers_handle[tim_num-1];
// done
break;
}
Expand All @@ -105,7 +105,7 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive
// display which timer is being used
#ifdef SIMPLEFOC_STM32_DEBUG
// it would be better to use the getTimerNumber from driver
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->getHandle()->Instance) + 1);
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->Instance) + 1);
#endif

// first channel
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -56,17 +56,17 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
if (cs_params->timer_handle == NULL) return SIMPLEFOC_CURRENT_SENSE_INIT_FAILED;

// stop all the timers for the driver
_stopTimers(driver_params->timers, 6);
stm32_pause(driver_params);

// if timer has repetition counter - it will downsample using it
// and it does not need the software downsample
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->getHandle()->Instance) ){
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->Instance) ){
// adjust the initial timer state such that the trigger
// - for DMA transfer aligns with the pwm peaks instead of throughs.
// - for interrupt based ADC transfer
// - only necessary for the timers that have repetition counters
cs_params->timer_handle->getHandle()->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->getHandle()->Instance->CNT = cs_params->timer_handle->getHandle()->Instance->ARR;
cs_params->timer_handle->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->Instance->CNT = cs_params->timer_handle->Instance->ARR;
// remember that this timer has repetition counter - no need to downasmple
needs_downsample[_adcToIndex(cs_params->adc_handle)] = 0;
}else{
Expand All @@ -79,7 +79,7 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
}
}
// set the trigger output event
LL_TIM_SetTriggerOutput(cs_params->timer_handle->getHandle()->Instance, LL_TIM_TRGO_UPDATE);
LL_TIM_SetTriggerOutput(cs_params->timer_handle->Instance, LL_TIM_TRGO_UPDATE);

// Start the adc calibration
HAL_ADCEx_Calibration_Start(cs_params->adc_handle);
Expand All @@ -96,7 +96,7 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){


// restart all the timers of the driver
_startTimers(driver_params->timers, 6);
stm32_resume(driver_params);

// return the cs parameters
// successfully initialized
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -76,16 +76,16 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive

// automating TRGO flag finding - hardware specific
uint8_t tim_num = 0;
while(driver_params->timers[tim_num] != NP && tim_num < 6){
uint32_t trigger_flag = _timerToInjectedTRGO(driver_params->timers[tim_num++]);
while(driver_params->timers_handle[tim_num] != NP && tim_num < 6){
uint32_t trigger_flag = _timerToInjectedTRGO(driver_params->timers_handle[tim_num++]);
if(trigger_flag == _TRGO_NOT_AVAILABLE) continue; // timer does not have valid trgo for injected channels

// if the code comes here, it has found the timer available
// timer does have trgo flag for injected channels
sConfigInjected.ExternalTrigInjecConv = trigger_flag;

// this will be the timer with which the ADC will sync
cs_params->timer_handle = driver_params->timers[tim_num-1];
cs_params->timer_handle = driver_params->timers_handle[tim_num-1];
// done
break;
}
Expand All @@ -99,7 +99,7 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive
// display which timer is being used
#ifdef SIMPLEFOC_STM32_DEBUG
// it would be better to use the getTimerNumber from driver
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->getHandle()->Instance) + 1);
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->Instance) + 1);
#endif


Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -48,17 +48,17 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
if (cs_params->timer_handle == NULL) return SIMPLEFOC_CURRENT_SENSE_INIT_FAILED;

// stop all the timers for the driver
_stopTimers(driver_params->timers, 6);
stm32_pause(driver_params);

// if timer has repetition counter - it will downsample using it
// and it does not need the software downsample
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->getHandle()->Instance) ){
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->Instance) ){
// adjust the initial timer state such that the trigger
// - for DMA transfer aligns with the pwm peaks instead of throughs.
// - for interrupt based ADC transfer
// - only necessary for the timers that have repetition counters
cs_params->timer_handle->getHandle()->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->getHandle()->Instance->CNT = cs_params->timer_handle->getHandle()->Instance->ARR;
cs_params->timer_handle->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->Instance->CNT = cs_params->timer_handle->Instance->ARR;
// remember that this timer has repetition counter - no need to downasmple
needs_downsample[_adcToIndex(cs_params->adc_handle)] = 0;
}else{
Expand All @@ -71,7 +71,7 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
}
}
// set the trigger output event
LL_TIM_SetTriggerOutput(cs_params->timer_handle->getHandle()->Instance, LL_TIM_TRGO_UPDATE);
LL_TIM_SetTriggerOutput(cs_params->timer_handle->Instance, LL_TIM_TRGO_UPDATE);

// start the adc
if (use_adc_interrupt){
Expand All @@ -85,7 +85,7 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
}

// restart all the timers of the driver
_startTimers(driver_params->timers, 6);
stm32_resume(driver_params);

// return the cs parameters
// successfully initialized
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -133,19 +133,19 @@ uint32_t _getADCChannel(PinName pin)

// timer to injected TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_adc_ex.h#L179
uint32_t _timerToInjectedTRGO(HardwareTimer* timer){
if(timer->getHandle()->Instance == TIM1)
uint32_t _timerToInjectedTRGO(TIM_HandleTypeDef* timer){
if(timer->Instance == TIM1)
return ADC_EXTERNALTRIGINJECCONV_T1_TRGO;
#ifdef TIM2 // if defined timer 2
else if(timer->getHandle()->Instance == TIM2)
else if(timer->Instance == TIM2)
return ADC_EXTERNALTRIGINJECCONV_T2_TRGO;
#endif
#ifdef TIM4 // if defined timer 4
else if(timer->getHandle()->Instance == TIM4)
else if(timer->Instance == TIM4)
return ADC_EXTERNALTRIGINJECCONV_T4_TRGO;
#endif
#ifdef TIM5 // if defined timer 5
else if(timer->getHandle()->Instance == TIM5)
else if(timer->Instance == TIM5)
return ADC_EXTERNALTRIGINJECCONV_T5_TRGO;
#endif
else
Expand All @@ -154,15 +154,15 @@ uint32_t _timerToInjectedTRGO(HardwareTimer* timer){

// timer to regular TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_adc.h#L331
uint32_t _timerToRegularTRGO(HardwareTimer* timer){
if(timer->getHandle()->Instance == TIM2)
uint32_t _timerToRegularTRGO(TIM_HandleTypeDef* timer){
if(timer->Instance == TIM2)
return ADC_EXTERNALTRIGCONV_T2_TRGO;
#ifdef TIM3 // if defined timer 3
else if(timer->getHandle()->Instance == TIM3)
else if(timer->Instance == TIM3)
return ADC_EXTERNALTRIGCONV_T3_TRGO;
#endif
#ifdef TIM8 // if defined timer 8
else if(timer->getHandle()->Instance == TIM8)
else if(timer->Instance == TIM8)
return ADC_EXTERNALTRIGCONV_T8_TRGO;
#endif
else
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -19,11 +19,11 @@ uint32_t _getADCChannel(PinName pin);

// timer to injected TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_adc_ex.h#L179
uint32_t _timerToInjectedTRGO(HardwareTimer* timer);
uint32_t _timerToInjectedTRGO(TIM_HandleTypeDef* timer);

// timer to regular TRGO
// https://github.com/stm32duino/Arduino_Core_STM32/blob/e156c32db24d69cb4818208ccc28894e2f427cfa/system/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_adc.h#L331
uint32_t _timerToRegularTRGO(HardwareTimer* timer);
uint32_t _timerToRegularTRGO(TIM_HandleTypeDef* timer);

// function returning index of the ADC instance
int _adcToIndex(ADC_HandleTypeDef *AdcHandle);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -77,8 +77,8 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive
// automating TRGO flag finding - hardware specific
uint8_t tim_num = 0;
for (size_t i=0; i<6; i++) {
HardwareTimer *timer_to_check = driver_params->timers[tim_num++];
TIM_TypeDef *instance_to_check = timer_to_check->getHandle()->Instance;
TIM_HandleTypeDef *timer_to_check = driver_params->timers_handle[tim_num++];
TIM_TypeDef *instance_to_check = timer_to_check->Instance;

// bool TRGO_already_configured = instance_to_check->CR2 & LL_TIM_TRGO_UPDATE;
// if(TRGO_already_configured) continue;
Expand Down Expand Up @@ -110,7 +110,7 @@ int _adc_init(Stm32CurrentSenseParams* cs_params, const STM32DriverParams* drive
// display which timer is being used
#ifdef SIMPLEFOC_STM32_DEBUG
// it would be better to use the getTimerNumber from driver
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->getHandle()->Instance) + 1);
SIMPLEFOC_DEBUG("STM32-CS: injected trigger for timer index: ", get_timer_index(cs_params->timer_handle->Instance) + 1);
#endif


Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -42,23 +42,23 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
if (cs_params->timer_handle == NULL) return SIMPLEFOC_CURRENT_SENSE_INIT_FAILED;

// stop all the timers for the driver
_stopTimers(driver_params->timers, 6);
stm32_pause(driver_params);

// if timer has repetition counter - it will downsample using it
// and it does not need the software downsample
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->getHandle()->Instance) ){
if( IS_TIM_REPETITION_COUNTER_INSTANCE(cs_params->timer_handle->Instance) ){
// adjust the initial timer state such that the trigger
// - for DMA transfer aligns with the pwm peaks instead of throughs.
// - for interrupt based ADC transfer
// - only necessary for the timers that have repetition counters

cs_params->timer_handle->getHandle()->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->getHandle()->Instance->CNT = cs_params->timer_handle->getHandle()->Instance->ARR;
cs_params->timer_handle->Instance->CR1 |= TIM_CR1_DIR;
cs_params->timer_handle->Instance->CNT = cs_params->timer_handle->Instance->ARR;
// remember that this timer has repetition counter - no need to downasmple
needs_downsample[_adcToIndex(cs_params->adc_handle)] = 0;
}
// set the trigger output event
LL_TIM_SetTriggerOutput(cs_params->timer_handle->getHandle()->Instance, LL_TIM_TRGO_UPDATE);
LL_TIM_SetTriggerOutput(cs_params->timer_handle->Instance, LL_TIM_TRGO_UPDATE);

// start the adc
#ifdef SIMPLEFOC_STM32_ADC_INTERRUPT
Expand All @@ -68,7 +68,7 @@ void* _driverSyncLowSide(void* _driver_params, void* _cs_params){
#endif

// restart all the timers of the driver
_startTimers(driver_params->timers, 6);
stm32_resume(driver_params);

// return the cs parameters
// successfully initialized
Expand Down
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