This file contains the implementation of the class methods, used to communicate over the I2C bus. More...

#include <inttypes.h>
#include <avr/io.h>
#include <stdlib.h>

Classes
class	i2cMaster
	Prototype of class for accessing the TWI (I2C) interface of the AVR (master mode only). More...

Macros
#define	I2CFREE 0

#define	READ 1

#define	WRITE 0

#define	START 0x08

#define	REPSTART 0x10

#define	TXADDRACK 0x18

#define	TXDATAACK 0x28

#define	RXADDRACK 0x40

#define	ACK 1

#define	NACK 0

Detailed Description

This file contains the implementation of the class methods, used to communicate over the I2C bus.

Author: Thomas Hørring Olsen (thoma.nosp@m.s@us.nosp@m.teppe.nosp@m.r.co.nosp@m.m)

Definition in file i2cMaster.h.

Macro Definition Documentation

◆ ACK

#define ACK 1

value to indicate ACK for i2c transmission

Definition at line 68 of file i2cMaster.h.

◆ I2CFREE

#define I2CFREE 0

I2C bus is not currently in use

Definition at line 44 of file i2cMaster.h.

◆ NACK

#define NACK 0

value to indicate NACK for i2c transmission

Definition at line 71 of file i2cMaster.h.

◆ READ

#define READ 1

Value for RW bit in address field, to request a read

Definition at line 47 of file i2cMaster.h.

◆ REPSTART

#define REPSTART 0x10

repeated start condition transmitted

Definition at line 56 of file i2cMaster.h.

◆ RXADDRACK

#define RXADDRACK 0x40

slave address plus read bit transmitted, ACK received

Definition at line 65 of file i2cMaster.h.

◆ START

#define START 0x08

start condition transmitted

Definition at line 53 of file i2cMaster.h.

◆ TXADDRACK

#define TXADDRACK 0x18

slave address plus write bit transmitted, ACK received

Definition at line 59 of file i2cMaster.h.

◆ TXDATAACK

#define TXDATAACK 0x28

data transmitted, ACK received

Definition at line 62 of file i2cMaster.h.

◆ WRITE

#define WRITE 0

Value for RW bit in address field, to request a write

Definition at line 50 of file i2cMaster.h.

Classes

Macros