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Actualiser Pilotes/Source/PWM.c

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Jarno Dreschler 2025-12-19 14:08:32 +01:00
parent 0f0531465b
commit df0723ffda
1 changed files with 112 additions and 108 deletions
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8
Pilotes/Source/PWM.c
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@ -11,7 +11,7 @@ void MyTimer_PWM(TIM_TypeDef * Timer , int Channel){
if (Channel == 1){ if (Channel == 1){
Timer->CCMR1 &= ~(0b111<<4); //On clear les trois bits qui sont de pwm Timer->CCMR1 &= ~(0b111<<4); //On clear les trois bits qui sont de pwm
Timer->CCMR1 |= (pwrmd<<4); //On affecte le powermode au bits de lecture pour le µ-controlleur Timer->CCMR1 |= (pwrmd<<4); //On affecte le powermode au bits de lecture pour le µ-controlleur
Timer->CCMR1 |= TIM_CCMR1_OC1PE; //Update preload, il n'affecte pas le valeur avant que la prochaine cycle Timer->CCMR1 |= TIM_CCMR1_OC1PE; //Update preload, il n'affecte pas le valeur avant que la prochaine cycle
Timer->CCER = TIM_CCER_CC1E; //Enable le pin voulu basculer Timer->CCER = TIM_CCER_CC1E; //Enable le pin voulu basculer
} }
@ -35,7 +35,7 @@ void MyTimer_PWM(TIM_TypeDef * Timer , int Channel){
} }
//En dessous d'ici, on a l'aide du plus gentil chat que je connais //En dessous d'ici, on a l'aide du plus gentil chat que je connais
// Enable auto-reload preload -- //Ensures that your initial configuration — PWM mode, duty cycle, period — actually takes effect before the timer starts counting. // Enable auto-reload preload -- //Ensures that your initial configuration — PWM mode, duty cycle, period — actually takes effect before the timer starts counting.
Timer->CR1 |= TIM_CR1_ARPE; Timer->CR1 |= TIM_CR1_ARPE;
// Force update event to load ARR and CCR values immediately // Force update event to load ARR and CCR values immediately
Timer->EGR |= TIM_EGR_UG; Timer->EGR |= TIM_EGR_UG;
@ -75,9 +75,13 @@ int Set_DutyCycle_PWM(TIM_TypeDef *Timer, int Channel, int DutyC){
int CCR_VAL = (Timer -> ARR + 1) * DutyC / 100; int CCR_VAL = (Timer -> ARR + 1) * DutyC / 100;
switch (Channel){ switch (Channel){
case 1: Timer->CCR1 = CCR_VAL; case 1: Timer->CCR1 = CCR_VAL;
break;
case 2: Timer->CCR2 = CCR_VAL; case 2: Timer->CCR2 = CCR_VAL;
break;
case 3: Timer->CCR3 = CCR_VAL; case 3: Timer->CCR3 = CCR_VAL;
break;
case 4: Timer->CCR4 = CCR_VAL; case 4: Timer->CCR4 = CCR_VAL;
break;
default: break; default: break;
} }
return 0; return 0;