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🐛 Fix STM32 FastPWM

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Scott Lahteine 2021-11-30 13:03:31 -06:00 committed by Scott Lahteine
parent 0f7f709aad
commit 77af48e547
1 changed files with 4 additions and 2 deletions
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6
Marlin/src/HAL/STM32/fast_pwm.cpp
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@ -74,6 +74,8 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
PinName pin_name = digitalPinToPinName(pin); PinName pin_name = digitalPinToPinName(pin);
TIM_TypeDef *Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance TIM_TypeDef *Instance = (TIM_TypeDef *)pinmap_peripheral(pin_name, PinMap_PWM); // Get HAL timer instance
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
@ -83,11 +85,11 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
#endif #endif
) return; ) return;
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));
HT = (HardwareTimer *)(HardwareTimer_Handle[index]->__this); HT = (HardwareTimer *)(HardwareTimer_Handle[index]->__this);
timer_freq[index] = f_desired; // Save the last frequency so duty will not set the default for this timer number. timer_freq[index] = f_desired; // Save the last frequency so duty will not set the default for this timer number.
HT->setOverflow(f_desired, HERTZ_FORMAT); HT->setOverflow(f_desired, HERTZ_FORMAT);
} }
#endif // HAL_STM32 #endif // HAL_STM32