dwengoI2C.h File Reference

I2C routines. More...

#include "dwengoBoard.h"

Defines
#define	I2C_READ   1
#define	I2C_WRITE   0
Functions
void	startI2C (BYTE addr, char rw)
	Send I2C start condition and address.
void	writeI2C (BYTE val)
	Write a single byte.
unsigned char	readI2C (char ack)
	Read a single byte, optionally send ACK.
void	stopI2C (void)
	Send I2C stop condition.
void	initI2C (void)
	Initialize I2C hardware.
void	write1I2C (BYTE addr, BYTE val)
	Write single byte to address.
void	write2I2C (BYTE addr, BYTE val1, BYTE val2)
	Write two bytes to address.
int	read1I2C (BYTE addr)
	Read and return single byte to address.
int	read2I2C (BYTE addr)
	Read two bytes from address and return as 16-bit value.

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Detailed Description

I2C routines.

Library to communicate over an I2C bus.

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Function Documentation

void initI2C

(

void

)

Initialize I2C hardware.

Initialize I2C hardware

int read1I2C

(

BYTE

addr

)

Read and return single byte to address.

Parameters:

addr

int read2I2C

(

BYTE

addr

)

Read two bytes from address and return as 16-bit value.

Parameters:

addr

unsigned char readI2C

(

char

ack

)

Read a single byte, optionally send ACK.

Parameters:

ack

void startI2C	(	BYTE	addr,
		char	rw
	)

Send I2C start condition and address.

Parameters:

addr,rw

void stopI2C

(

void

)

Send I2C stop condition.

Send I2C stop condition

void write1I2C	(	BYTE	addr,
		BYTE	val
	)

Write single byte to address.

Parameters:

addr,val

void write2I2C	(	BYTE	addr,
		BYTE	val1,
		BYTE	val2
	)

Write two bytes to address.

Parameters:

addr,val1,val2

void writeI2C

(

BYTE

val

)

Write a single byte.

Parameters:

val