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ADC_program.c
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ADC_program.c
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/*
* ADC_program.c
*
* Created: 9/24/2022 11:20:40 AM
* Author: LEGION
*/
/*utilities*/
#include "ATMEGA32_REG.h"
#include "BIT_MATH.h"
#include "DATA_TYPES.h"
/*MCAL*/
#include "ADC_interface.h"
void ADC_init(void)
{
/*Reference volt AVCC (AREF (6=0,7=0) ,internal (6=1,7=1))*/
SET_BIT(ADMUX,6);
CLR_BIT(ADMUX,7);
CLR_BIT(ADMUX,5);//select to the right adjust
CLR_BIT(ADCSRA,5);//Disable Auto Trigger (single mode conversion)
CLR_BIT(ADCSRA,3);//ADC interrupt Disable
/*ADC Prescaler 128 for 16MHZ (125KHZ)*/
SET_BIT(ADCSRA,0);
SET_BIT(ADCSRA,1);
SET_BIT(ADCSRA,2);
SET_BIT(ADCSRA,7);//ADC Enable
}
void ADC_getDigitalValue(u16*digitalValue,u8 channelNumber)
{
if(channelNumber<32 && digitalValue!=NULL)
{
/*Select Channel */
ADMUX &= 0B11100000;
ADMUX |= channelNumber;
/*Start Conversion*/
SET_BIT(ADCSRA,6);
/*wait for the flag*/
while(!GET_BIT(ADCSRA,4));
/*Clear Flag */
SET_BIT(ADCSRA,4);
/*Read Digital Value */
*digitalValue=ADC_u16;
}
}