#include "Driver_Timer.h"


void (*Ptrfct)(void);

//-----------------------INITIALISATION TIMER---------------------//
void MyTimer_Base_Init(MyTimer_Struct_TypeDef * Timer, void (*fct)(void)){
	
	Ptrfct=fct;
	
	if(Timer->Timer == TIM1){
		//RCC->APB2ENR |= 0x0001<<11;
		RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;
	}
	else if(Timer->Timer == TIM2){
		//RCC->APB1ENR |= 0x0001;
		RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
	}
	else if(Timer->Timer == TIM3){
		//RCC->APB1ENR |= 0x0001 <<1;
		RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
	}
	else if(Timer->Timer == TIM4){
		//RCC->APB1ENR |= 0x0001 <<2;
		RCC->APB1ENR |= RCC_APB1ENR_TIM4EN;
	}
	
	Timer->Timer->ARR = Timer->ARR;
	Timer->Timer->PSC = Timer->PSC;
	
}


//-----------------------START----------------------//
void MyTimer_Base_Start(TIM_TypeDef * Timer){
		Timer->CR1 |= TIM_CR1_CEN; //Masque OU pour placer un 1 décalé avec des 0
}

//------------------------STOP----------------------//
void MyTimer_Base_Stop(TIM_TypeDef * Timer){
	Timer->CR1 |= ~TIM_CR1_CEN; //Masque ET pour placer un 0 décalé avec des 1 (~)
}


//------------------------PWM----------------------//
void MyTimer_PWM( MyTimer_Struct_TypeDef * Timer, uint16_t cycle){
	Timer->Timer->CCMR1 &= ~TIM_CCMR1_OC1M_0;										//Configuration du canal CH1
	Timer->Timer->CCMR1 |= TIM_CCMR1_OC1M_1| TIM_CCMR1_OC1M_2;	// Ajouter 110 aux bits OC1M (registre CCMR1)
	
	Timer->Timer->CCER |= TIM_CCER_CC1E;												// Canal CH1 validé par bit CC1E (registre CCER)
	Timer->Timer->CCR1 = (cycle * Timer->ARR) / 100;						// Fixer la durée à 20%
}


//------------------------HANDLER--------------------//
void TIM2_IRQHandler (void) 
{
	Ptrfct();
	TIM2->SR &= ~(1<<0);
}