MPCNC/Firmware2
1
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

🐛 Fix STM32 FastPWM

Browse Source
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Marlin/src/HAL/STM32/fast_pwm.cpp
View File

@ -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
@ -83,11 +85,11 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
#endif
) 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));
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.
HT->setOverflow(f_desired, HERTZ_FORMAT);
HT->setOverflow(f_desired, HERTZ_FORMAT);
}
#endif // HAL_STM32