adc.c File Reference

Analog to digital converter for davids wind direction. More...

#include <stdint.h>
#include <avr/io.h>
#include "adc.h"

Include dependency graph for adc.c:

Functions
void	adc_init (void)
uint8_t	adc_read (void)
	Read the ADC value. More...
int	adc_wind_position (void)
	Convert between 0-255 to 0-360 degrees.

Detailed Description

Analog to digital converter for davids wind direction.

Function Documentation

adc_init()

void adc_init

(

void

)

Enable ADC.

select ADC clock = F_CPU / 128, manual sample.

Set internal VREF, left adjusted result, adc0

adc_read()

uint8_t adc_read

(

void

)

Read the ADC value.

Returns

8 bit value.