__adc__.h File Reference

Header file for adc.c. More...

#include <__swarm_wold__.h>

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Functions
void	_adc_init (void)
int	_adc_read (uint8_t channel)

Detailed Description

Header file for adc.c.

• File: adc.h
• Compiler: GCC-AVR
• Supported devices: Tested on 328p
• AppNote: ADC module driver

Author

Swarm robot graduation project workgroub
Mechatronics Program for the Distinguished
$Name$

Revision

1

$RCSfile$

Date

/19/2021 9:30:13 AM

Definition in file __adc__.h.

Function Documentation

_adc_init()

void _adc_init

(

void

)

Initialize the ADC module

{
    ADMUX = (1 << REFS0); // AVCC
    //ADMUX |= (1 << REFS0) | (1 << REFS1); //1v1
    
    ADCSRA |= (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0) | (1 << ADEN); // Turn ADC On sample: 16M/128 = 125KHz
    ADMUX |= (0 << ADLAR);
    //ADMUX |= (1 << ADLAR); 8 bit
}

Referenced by board_init().

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_adc_read()

int _adc_read

(

uint8_t

channel

)

Reads from

Parameters

channel

Parameters

[in]

channel

adc channel from PortC.

{
    ADMUX |= channel & 0x0f;
    ADCSRA |= (1 << ADSC);
    while(ADCSRA & (1 << ADSC));
    return ADCW;
}