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Code Issues Releases Wiki Activity

🐛 Fix STM32 FastPWM

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This commit is contained in:
Scott Lahteine 2021-11-30 13:03:31 -06:00
parent 9e71f9baf9
commit 7ffada64ce
1 changed files with 2 additions and 2 deletions
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4
Marlin/src/HAL/STM32/fast_pwm.cpp
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@ -71,6 +71,8 @@ void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255
void set_pwm_frequency(const pin_t pin, int f_desired) { void set_pwm_frequency(const pin_t pin, int f_desired) {
if (!PWM_PIN(pin)) return; // Don't proceed if no hardware timer if (!PWM_PIN(pin)) return; // Don't proceed if no hardware timer
const PinName pin_name = digitalPinToPinName(pin);
TIM_TypeDef * const Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance
uint32_t index = get_timer_index(Instance); uint32_t index = get_timer_index(Instance);
// Protect used timers // Protect used timers
@ -80,8 +82,6 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
#endif #endif
) return; ) return;
const PinName pin_name = digitalPinToPinName(pin);
TIM_TypeDef * const Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance
if (HardwareTimer_Handle[index] == nullptr) // If frequency is set before duty we need to create a handle here. if (HardwareTimer_Handle[index] == nullptr) // If frequency is set before duty we need to create a handle here.
HardwareTimer_Handle[index]->__this = new HardwareTimer((TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM)); HardwareTimer_Handle[index]->__this = new HardwareTimer((TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM));
HardwareTimer * const HT = (HardwareTimer *)(HardwareTimer_Handle[index]->__this); HardwareTimer * const HT = (HardwareTimer *)(HardwareTimer_Handle[index]->__this);