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a2d.c File Reference

Analog-to-Digital converter function library. More...

#include <avr/io.h>
#include <avr/signal.h>
#include <avr/interrupt.h>
#include "global.h"
#include "a2d.h"

Go to the source code of this file.

Functions
void	a2dInit (void)
	Initializes the A/D converter.
void	a2dOff (void)
	Turn off A/D converter.
void	a2dSetPrescaler (unsigned char prescale)
	sets the division ratio of the A/D converter clock
void	a2dSetReference (unsigned char ref)
	configures which voltage reference the A/D converter uses
void	a2dSetChannel (unsigned char ch)
	sets the a2d input channel
void	a2dStartConvert (void)
	start a conversion on the current a2d input channel
u08	a2dIsComplete (void)
	return TRUE if conversion is complete
unsigned short	a2dConvert10bit (unsigned char ch)
	starts a conversion on A/D channel# ch,
unsigned char	a2dConvert8bit (unsigned char ch)
	starts a conversion on A/D channel# ch,
	SIGNAL (SIG_ADC)
	interrupt handler for ADC complete interrupt
Variables
volatile unsigned char	a2dCompleteFlag

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Detailed Description

Analog-to-Digital converter function library.

Definition in file a2d.c.

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Variable Documentation

volatile unsigned char a2dCompleteFlag

software flag used to indicate when the a2d conversion is complete Definition at line 29 of file a2d.c. Referenced by a2dConvert10bit(), a2dInit(), and SIGNAL().

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