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Official STMicroelectronics Arduino Core STM32F4 HAL compatibility (#11006)

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This commit is contained in:
Karl Andersson
2018-06-13 01:38:00 +02:00
committed by Scott Lahteine
parent 4dbec774b5
commit e0276d2f32
18 changed files with 176 additions and 138 deletions
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132
Marlin/src/HAL/HAL_STM32F4/HAL_timers_STM32F4.cpp
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@@ -20,7 +20,7 @@
*
*/
#ifdef STM32F4
#if defined(STM32F4) || defined(STM32F4xx)
// --------------------------------------------------------------------------
// Includes
@@ -39,6 +39,8 @@
// --------------------------------------------------------------------------
#define NUM_HARDWARE_TIMERS 2
#define STEP_TIMER_IRQ_ID TIM5_IRQn
#define TEMP_TIMER_IRQ_ID TIM7_IRQn
//#define PRESCALER 1
// --------------------------------------------------------------------------
@@ -53,7 +55,7 @@
// Private Variables
// --------------------------------------------------------------------------
tTimerConfig timerConfig[NUM_HARDWARE_TIMERS];
stm32f4_timer_t TimerHandle[NUM_HARDWARE_TIMERS];
// --------------------------------------------------------------------------
// Function prototypes
@@ -72,90 +74,86 @@ bool timers_initialised[NUM_HARDWARE_TIMERS] = {false};
void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
if (!timers_initialised[timer_num]) {
constexpr uint32_t step_prescaler = STEPPER_TIMER_PRESCALE - 1,
temp_prescaler = TEMP_TIMER_PRESCALE - 1;
switch (timer_num) {
case STEP_TIMER_NUM:
//STEPPER TIMER TIM5 //use a 32bit timer
__HAL_RCC_TIM5_CLK_ENABLE();
timerConfig[0].timerdef.Instance = TIM5;
timerConfig[0].timerdef.Init.Prescaler = (STEPPER_TIMER_PRESCALE);
timerConfig[0].timerdef.Init.CounterMode = TIM_COUNTERMODE_UP;
timerConfig[0].timerdef.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
timerConfig[0].IRQ_Id = TIM5_IRQn;
timerConfig[0].callback = (uint32_t)TC5_Handler;
HAL_NVIC_SetPriority(timerConfig[0].IRQ_Id, 1, 0);
break;
case TEMP_TIMER_NUM:
//TEMP TIMER TIM7 // any available 16bit Timer (1 already used for PWM)
__HAL_RCC_TIM7_CLK_ENABLE();
timerConfig[1].timerdef.Instance = TIM7;
timerConfig[1].timerdef.Init.Prescaler = (TEMP_TIMER_PRESCALE);
timerConfig[1].timerdef.Init.CounterMode = TIM_COUNTERMODE_UP;
timerConfig[1].timerdef.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
timerConfig[1].IRQ_Id = TIM7_IRQn;
timerConfig[1].callback = (uint32_t)TC7_Handler;
HAL_NVIC_SetPriority(timerConfig[1].IRQ_Id, 2, 0);
break;
case STEP_TIMER_NUM:
// STEPPER TIMER TIM5 - use a 32bit timer
#ifdef STM32GENERIC
__HAL_RCC_TIM5_CLK_ENABLE();
TimerHandle[timer_num].handle.Instance = TIM5;
TimerHandle[timer_num].handle.Init.Prescaler = step_prescaler;
TimerHandle[timer_num].handle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimerHandle[timer_num].handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
TimerHandle[timer_num].callback = (uint32_t)TC5_Handler;
#else
TimerHandle[timer_num].timer = TIM5;
TimerHandle[timer_num].irqHandle = TC5_Handler;
TimerHandleInit(&TimerHandle[timer_num], (((HAL_TIMER_RATE) / step_prescaler) / frequency) - 1, step_prescaler);
#endif
HAL_NVIC_SetPriority(STEP_TIMER_IRQ_ID, 6, 0);
break;
case TEMP_TIMER_NUM:
// TEMP TIMER TIM7 - any available 16bit Timer (1 already used for PWM)
#ifdef STM32GENERIC
__HAL_RCC_TIM7_CLK_ENABLE();
TimerHandle[timer_num].handle.Instance = TIM7;
TimerHandle[timer_num].handle.Init.Prescaler = temp_prescaler;
TimerHandle[timer_num].handle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimerHandle[timer_num].handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
TimerHandle[timer_num].callback = (uint32_t)TC7_Handler;
#else
TimerHandle[timer_num].timer = TIM7;
TimerHandle[timer_num].irqHandle = TC7_Handler;
TimerHandleInit(&TimerHandle[timer_num], (((HAL_TIMER_RATE) / temp_prescaler) / frequency) - 1, temp_prescaler);
#endif
HAL_NVIC_SetPriority(TEMP_TIMER_IRQ_ID, 2, 0);
break;
}
timers_initialised[timer_num] = true;
}
timerConfig[timer_num].timerdef.Init.Period = (((HAL_TIMER_RATE) / timerConfig[timer_num].timerdef.Init.Prescaler) / frequency) - 1;
if (HAL_TIM_Base_Init(&timerConfig[timer_num].timerdef) == HAL_OK)
HAL_TIM_Base_Start_IT(&timerConfig[timer_num].timerdef);
#ifdef STM32GENERIC
TimerHandle[timer_num].handle.Init.Period = (((HAL_TIMER_RATE) / TimerHandle[timer_num].handle.Init.Prescaler) / frequency) - 1;
if (HAL_TIM_Base_Init(&TimerHandle[timer_num].handle) == HAL_OK)
HAL_TIM_Base_Start_IT(&TimerHandle[timer_num].handle);
#endif
}
//forward the interrupt
extern "C" void TIM5_IRQHandler() {
((void(*)(void))timerConfig[0].callback)();
}
extern "C" void TIM7_IRQHandler() {
((void(*)(void))timerConfig[1].callback)();
}
void HAL_timer_set_compare(const uint8_t timer_num, const uint32_t compare) {
__HAL_TIM_SetAutoreload(&timerConfig[timer_num].timerdef, compare);
}
#ifdef STM32GENERIC
extern "C" void TIM5_IRQHandler() {
((void(*)(void))TimerHandle[0].callback)();
}
extern "C" void TIM7_IRQHandler() {
((void(*)(void))TimerHandle[1].callback)();
}
#endif
void HAL_timer_enable_interrupt(const uint8_t timer_num) {
HAL_NVIC_EnableIRQ(timerConfig[timer_num].IRQ_Id);
switch (timer_num) {
case STEP_TIMER_NUM: HAL_NVIC_EnableIRQ(STEP_TIMER_IRQ_ID); break;
case TEMP_TIMER_NUM: HAL_NVIC_EnableIRQ(TEMP_TIMER_IRQ_ID); break;
}
}
void HAL_timer_disable_interrupt(const uint8_t timer_num) {
HAL_NVIC_DisableIRQ(timerConfig[timer_num].IRQ_Id);
switch (timer_num) {
case STEP_TIMER_NUM: HAL_NVIC_DisableIRQ(STEP_TIMER_IRQ_ID); break;
case TEMP_TIMER_NUM: HAL_NVIC_DisableIRQ(TEMP_TIMER_IRQ_ID); break;
}
// We NEED memory barriers to ensure Interrupts are actually disabled!
// ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )
__DSB();
__ISB();
}
hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
return __HAL_TIM_GetAutoreload(&timerConfig[timer_num].timerdef);
}
uint32_t HAL_timer_get_count(const uint8_t timer_num) {
return __HAL_TIM_GetCounter(&timerConfig[timer_num].timerdef);
}
void HAL_timer_restrain(const uint8_t timer_num, const uint16_t interval_ticks) {
const hal_timer_t mincmp = HAL_timer_get_count(timer_num) + interval_ticks;
if (HAL_timer_get_compare(timer_num) < mincmp) HAL_timer_set_compare(timer_num, mincmp);
}
void HAL_timer_isr_prologue(const uint8_t timer_num) {
if (__HAL_TIM_GET_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE) == SET) {
__HAL_TIM_CLEAR_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE);
}
}
bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
if (NVIC->ISER[(uint32_t)((int32_t)timerConfig[timer_num].IRQ_Id) >> 5] & (uint32_t)(1 << ((uint32_t)((int32_t)timerConfig[timer_num].IRQ_Id) & (uint32_t)0x1F))) {
return true;
}
else {
return false;
switch (timer_num) {
case STEP_TIMER_NUM: return NVIC->ISER[(uint32_t)((int32_t)STEP_TIMER_IRQ_ID) >> 5] & (uint32_t)(1 << ((uint32_t)((int32_t)STEP_TIMER_IRQ_ID) & (uint32_t)0x1F));
case TEMP_TIMER_NUM: return NVIC->ISER[(uint32_t)((int32_t)TEMP_TIMER_IRQ_ID) >> 5] & (uint32_t)(1 << ((uint32_t)((int32_t)TEMP_TIMER_IRQ_ID) & (uint32_t)0x1F));
}
return false;
}
#endif // STM32F4
#endif // STM32F4 || STM32F4xx