#include <stm32f10x.h>
#include <Batterie.h>
#include <GPIO.h>
#include <ADC.h>
#include <USART.h>

extern uint32_t tickms;
float d;
uint32_t last2 = 0;

void MyBatterie_Init(void){
	MyGPIO_Init(GPIOC,4,In_Analog); // Init PORT pour recevoir tension
	
	MyADC_Init(ADC1,14); // Init ADC channel 14 pour convertir valeur
	MyADC_ActiveIT(ADC1,15,&handler_ADC); // Init interruption quand conversion finie
	
	start_conversion(ADC1); // Premiere conversion
}

void handler_ADC (void){
	d = ADC1->DR &~ (0xF << 12); // Retourne valeur numérique
	d = d*3.3/4096;
	d = d*13*100/12;
}

void Gestion_Conversion_ADC(void){
	if (tickms - last2 >= 1000) {
		last2 = tickms;
		start_conversion(ADC1);
	}
}

int MyBatterie_val(){
	return (int)d;
}