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Add functions missing in timerutils for when HardwareTimer library is disabled #545

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210 changes: 210 additions & 0 deletions src/drivers/hardware_specific/stm32/stm32_timerutils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,216 @@

#if defined(_STM32_DEF_) || defined(TARGET_STM32H7) // if stm32duino or portenta

#if defined(HAL_TIM_MODULE_ONLY)

//Functions copied over and modified from HardwareTimer to allow disabling HardwareTimer

void enableTimerClock(TIM_HandleTypeDef *htim)
{
// Enable TIM clock
#if defined(TIM1_BASE)
if (htim->Instance == TIM1) {
__HAL_RCC_TIM1_CLK_ENABLE();
}
#endif
#if defined(TIM2_BASE)
if (htim->Instance == TIM2) {
__HAL_RCC_TIM2_CLK_ENABLE();
}
#endif
#if defined(TIM3_BASE)
if (htim->Instance == TIM3) {
__HAL_RCC_TIM3_CLK_ENABLE();
}
#endif
#if defined(TIM4_BASE)
if (htim->Instance == TIM4) {
__HAL_RCC_TIM4_CLK_ENABLE();
}
#endif
#if defined(TIM5_BASE)
if (htim->Instance == TIM5) {
__HAL_RCC_TIM5_CLK_ENABLE();
}
#endif
#if defined(TIM6_BASE)
if (htim->Instance == TIM6) {
__HAL_RCC_TIM6_CLK_ENABLE();
}
#endif
#if defined(TIM7_BASE)
if (htim->Instance == TIM7) {
__HAL_RCC_TIM7_CLK_ENABLE();
}
#endif
#if defined(TIM8_BASE)
if (htim->Instance == TIM8) {
__HAL_RCC_TIM8_CLK_ENABLE();
}
#endif
#if defined(TIM9_BASE)
if (htim->Instance == TIM9) {
__HAL_RCC_TIM9_CLK_ENABLE();
}
#endif
#if defined(TIM10_BASE)
if (htim->Instance == TIM10) {
__HAL_RCC_TIM10_CLK_ENABLE();
}
#endif
#if defined(TIM11_BASE)
if (htim->Instance == TIM11) {
__HAL_RCC_TIM11_CLK_ENABLE();
}
#endif
#if defined(TIM12_BASE)
if (htim->Instance == TIM12) {
__HAL_RCC_TIM12_CLK_ENABLE();
}
#endif
#if defined(TIM13_BASE)
if (htim->Instance == TIM13) {
__HAL_RCC_TIM13_CLK_ENABLE();
}
#endif
#if defined(TIM14_BASE)
if (htim->Instance == TIM14) {
__HAL_RCC_TIM14_CLK_ENABLE();
}
#endif
#if defined(TIM15_BASE)
if (htim->Instance == TIM15) {
__HAL_RCC_TIM15_CLK_ENABLE();
}
#endif
#if defined(TIM16_BASE)
if (htim->Instance == TIM16) {
__HAL_RCC_TIM16_CLK_ENABLE();
}
#endif
#if defined(TIM17_BASE)
if (htim->Instance == TIM17) {
__HAL_RCC_TIM17_CLK_ENABLE();
}
#endif
#if defined(TIM18_BASE)
if (htim->Instance == TIM18) {
__HAL_RCC_TIM18_CLK_ENABLE();
}
#endif
#if defined(TIM19_BASE)
if (htim->Instance == TIM19) {
__HAL_RCC_TIM19_CLK_ENABLE();
}
#endif
#if defined(TIM20_BASE)
if (htim->Instance == TIM20) {
__HAL_RCC_TIM20_CLK_ENABLE();
}
#endif
#if defined(TIM21_BASE)
if (htim->Instance == TIM21) {
__HAL_RCC_TIM21_CLK_ENABLE();
}
#endif
#if defined(TIM22_BASE)
if (htim->Instance == TIM22) {
__HAL_RCC_TIM22_CLK_ENABLE();
}
#endif
}

uint8_t getTimerClkSrc(TIM_TypeDef *tim)
{
uint8_t clkSrc = 0;

if (tim != (TIM_TypeDef *)NC)
#if defined(STM32C0xx) || defined(STM32F0xx) || defined(STM32G0xx)
/* TIMx source CLK is PCKL1 */
clkSrc = 1;
#else
{
/* Get source clock depending on TIM instance */
switch ((uint32_t)tim) {
#if defined(TIM2_BASE)
case (uint32_t)TIM2_BASE:
#endif
#if defined(TIM3_BASE)
case (uint32_t)TIM3_BASE:
#endif
#if defined(TIM4_BASE)
case (uint32_t)TIM4_BASE:
#endif
#if defined(TIM5_BASE)
case (uint32_t)TIM5_BASE:
#endif
#if defined(TIM6_BASE)
case (uint32_t)TIM6_BASE:
#endif
#if defined(TIM7_BASE)
case (uint32_t)TIM7_BASE:
#endif
#if defined(TIM12_BASE)
case (uint32_t)TIM12_BASE:
#endif
#if defined(TIM13_BASE)
case (uint32_t)TIM13_BASE:
#endif
#if defined(TIM14_BASE)
case (uint32_t)TIM14_BASE:
#endif
#if defined(TIM18_BASE)
case (uint32_t)TIM18_BASE:
#endif
clkSrc = 1;
break;
#if defined(TIM1_BASE)
case (uint32_t)TIM1_BASE:
#endif
#if defined(TIM8_BASE)
case (uint32_t)TIM8_BASE:
#endif
#if defined(TIM9_BASE)
case (uint32_t)TIM9_BASE:
#endif
#if defined(TIM10_BASE)
case (uint32_t)TIM10_BASE:
#endif
#if defined(TIM11_BASE)
case (uint32_t)TIM11_BASE:
#endif
#if defined(TIM15_BASE)
case (uint32_t)TIM15_BASE:
#endif
#if defined(TIM16_BASE)
case (uint32_t)TIM16_BASE:
#endif
#if defined(TIM17_BASE)
case (uint32_t)TIM17_BASE:
#endif
#if defined(TIM19_BASE)
case (uint32_t)TIM19_BASE:
#endif
#if defined(TIM20_BASE)
case (uint32_t)TIM20_BASE:
#endif
#if defined(TIM21_BASE)
case (uint32_t)TIM21_BASE:
#endif
#if defined(TIM22_BASE)
case (uint32_t)TIM22_BASE:
#endif
clkSrc = 2;
break;
default:
_Error_Handler("TIM: Unknown timer instance", (int)tim);
break;
}
}
#endif
return clkSrc;
}
#endif

void stm32_pauseTimer(TIM_HandleTypeDef* handle){
/* Disable timer unconditionally. Required to guarantee timer is stopped,
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5 changes: 5 additions & 0 deletions src/drivers/hardware_specific/stm32/stm32_timerutils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,11 @@

#if defined(_STM32_DEF_) || defined(TARGET_STM32H7)

#if defined(HAL_TIM_MODULE_ONLY)
extern "C" void enableTimerClock(TIM_HandleTypeDef *htim);
extern "C" uint8_t getTimerClkSrc(TIM_TypeDef *tim);
#endif

void stm32_pauseTimer(TIM_HandleTypeDef* handle);
void stm32_resumeTimer(TIM_HandleTypeDef* handle);
void stm32_refreshTimer(TIM_HandleTypeDef* handle);
Expand Down
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