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Ajout de PWM input

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Marino Benassai 2020-11-10 14:24:15 +01:00
parent 4ca6136473
commit 7cf96b23f2
1 changed files with 34 additions and 0 deletions
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34
MyDrivers/Timer.c
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@ -165,7 +165,41 @@ void Timer_conf(TIM_TypeDef * timer, int arr, int psc)
/****************************************************************************
* PWM INPUT
***************************************************************************/
void PWMi_conf(TIM_TypeDef * TIMx, uint32_t channels){
//Periode à recuperer dans TIMx_CCR1, duty cycle dans TIMx_CCR2
// Validation horloge locale
if (TIMx == TIM1) LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM1);
else if (TIMx == TIM2) LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
else if (TIMx == TIM3) LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);
else LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM4);
//LL_TIM_CC_EnableChannel(TIMx, channels);
//LL_TIM_IC_Init
TIMx -> CCMR1 |= TIM_CCMR1_CC1S_0; //01
//TIM_CCMR1_IC1F_0; Potentiellement utile, à voir plus tard
TIMx -> CCER &= ~(TIM_CCER_CC1P); //0 = Rising edge
TIMx -> CCMR1 &= ~(TIM_CCMR1_IC1PSC);
TIMx -> CCMR1 |= TIM_CCMR1_CC2S_1;
TIMx -> CCER |= TIM_CCER_CC2P;
TIMx -> SMCR |= TIM_SMCR_TS_0 | TIM_SMCR_TS_2; //101
TIMx -> SMCR |= TIM_SMCR_SMS_2; //100
TIMx -> CCER |= TIM_CCER_CC1E;
TIMx -> CCER |= TIM_CCER_CC2E;
TIMx -> DIER |= TIM_DIER_CC1IE;
//TIM_DIER_CC1DE_Pos; Probablement pas utile
}
int get_input_period(TIM_TypeDef * TIMx) {
return TIMx -> CCR1;
}
int get_input_duty_cycle(TIM_TypeDef * TIMx) {
return TIMx -> CCR2;
}
/****************************************************************************
* PWM OUTPUT