adc_hal.c

/*
 * adc_hal.c
 *
 * Created: 12/5/2022 10:24:12 AM
 *  Author: Dinh Viet Hoa
 */ 
#include "adc_hal.h"

volatile static uint8_t adc_convert_done = 1;

ISR (ADC_vect){
	adc_convert_done = 1;
}
void adc_init(void){
	ADMUX |= 0b01 << REFS0;
	ADCSRA |= 1 << ADEN | 1 << ADIE | 0b111 << ADPS0;
	
}
void adc_pin_enable(uint8_t pin)
{
	DIDR0 |= 1 << pin;
}

void adc_pin_disable(uint8_t pin){
	DIDR0 &= ~(1 << pin);
}
void adc_pin_select(uint8_t souce){
	ADMUX &= 0xF0;
	ADMUX |= souce;
}

uint16_t adc_convert(void){
	uint8_t adcl = 0;
	uint8_t adch = 0;
	adc_convert_done = 0;
	ADCSRA |= 1 << ADSC;
	while(adc_convert_done == 0);
	adcl = ADCL;
	adch = ADCH;
	return (adch << 8| adcl);	
	
}