🐛 Fix STM32 FastPWM

3 years ago · 77af48e547
1 changed files with 4 additions and 2 deletions
--- a/Marlin/src/HAL/STM32/fast_pwm.cpp
+++ b/Marlin/src/HAL/STM32/fast_pwm.cpp
@ -74,6 +74,8 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
  PinName pin_name = digitalPinToPinName(pin);
  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);

  // Protect used timers