i2cslave.h

LPCXpresso1768

/****************************************************************************
 *   $Id:: i2cslave.h 5745 2010-11-30 23:27:22Z usb00423                    $
 *   Project: NXP LPC17xx I2C Slave example
 *
 *   Description:
 *     This file contains I2C Slave code header definition.
 *
 ****************************************************************************
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * products. This software is supplied "AS IS" without any warranties.
 * NXP Semiconductors assumes no responsibility or liability for the
 * use of the software, conveys no license or title under any patent,
 * copyright, or mask work right to the product. NXP Semiconductors
 * reserves the right to make changes in the software without
 * notification. NXP Semiconductors also make no representation or
 * warranty that such application will be suitable for the specified
 * use without further testing or modification.
****************************************************************************/
#ifndef __I2CSLAVE_H 
#define __I2CSLAVE_H

#define FAST_MODE_PLUS	1
 
#define BUFSIZE			6
#define MAX_TIMEOUT		0x00FFFFFF

#define PCF8594_ADDR	0xA0
#define READ_WRITE		0x01

#define RD_BIT			0x01

#define I2C_IDLE			0
#define I2C_STARTED			1
#define I2C_RESTARTED		2
#define I2C_REPEATED_START	3
#define DATA_ACK			4
#define DATA_NACK			5
#define I2C_WR_STARTED		6
#define I2C_RD_STARTED		7

#define I2CONSET_I2EN		0x00000040  /* I2C Control Set Register */
#define I2CONSET_AA			0x00000004
#define I2CONSET_SI			0x00000008
#define I2CONSET_STO		0x00000010
#define I2CONSET_STA		0x00000020

#define I2CONCLR_AAC		0x00000004  /* I2C Control clear Register */
#define I2CONCLR_SIC		0x00000008
#define I2CONCLR_STAC		0x00000020
#define I2CONCLR_I2ENC		0x00000040

#define I2DAT_I2C			0x00000000  /* I2C Data Reg */
#define I2ADR_I2C			0x00000000  /* I2C Slave Address Reg */
#define I2SCLH_SCLH			0x00000180  /* I2C SCL Duty Cycle High Reg */
#define I2SCLL_SCLL			0x00000180  /* I2C SCL Duty Cycle Low Reg */
#define I2SCLH_HS_SCLH		0x00000008  /* Fast Plus I2C SCL Duty Cycle High Reg */
#define I2SCLL_HS_SCLL		0x00000008  /* Fast Plus I2C SCL Duty Cycle Low Reg */


extern void I2C0_IRQHandler( void );
extern void I2C1_IRQHandler( void );
extern void I2C2_IRQHandler( void );
extern void I2CSlave0Init( void );
extern void I2CSlave1Init( void );
extern void I2CSlave2Init( void );

#endif /* end __I2CSLAVE_H */
/****************************************************************************
**                            End Of File
*****************************************************************************/