/*===========================================================================    Copyright 2000, 2001 Holley Communications. All rights reserved.*//***************************************************************************** * * DEV_I2C_MAIN.H - DEV_I2C_MAIN.C File: Internal Definitions * * PURPOSE: *    To provide definitions used within the DEV_I2C_MAIN.C file. *     * HISTORY: *    V 1.00 - Oct 27, 1997 - E.Schmidt       *             Creation *           - Apr 22, 1998 - G.Catt       *             Moved the internal function prototypes here. *           - May 04, 1998 - G.Catt       *             Ported to the CDMA+ board. *           - May 06, 1998 - G.Catt       *             Updated the function names. *           - May 13, 1998 - G.Catt       *             Added protocol bit and timeout values. *           - May 20, 1998 - G.Catt       *             Added I2C bus operation definitions. *             Added i2c_txdevaddr () prototype. * * NOTE: *     * *****************************************************************************/#ifndef DEV_I2C_MAIN_H#define DEV_I2C_MAIN_H#include "main_config.h"#ifndef HOST_BUILD/* I2C Protocol Bit Definitions */#define DEV_I2C_BIT_RDWRNOT    0x01     /* Read/write* control bit position *//* Timeout Values ( * 2.5 us/count) */#define DEV_I2C_TIMEOUT_SCLRLS 100      /* SCL release (250 us) *//* I2C Bus States */enum dev_i2cebusstates{   DEV_I2C_BUS_IDLE,                    /* No activity on the bus */   DEV_I2C_BUS_BUSY                     /* Activity on the bus */};/* DEV_I2C Bus Operations */enum dev_i2cebusoperations{   DEV_I2C_READ,                        /* Read from device */   DEV_I2C_WRITE                        /* Write to device */};/* Internal function prototypes */Bool dev_i2c_busstate ( void );void dev_i2c_txstartbit ( void );void dev_i2c_txstopbit ( void );Int16 dev_i2c_rxdatabit ( void );Int16 dev_i2c_rxackbit ( void );Int16 dev_i2c_wait4sclrls ( void );#if BOARD_PHOENIXInt16 dev_i2c_txdevaddr ( Byte deviceaddr );Int16 dev_i2c_txdatabyte ( Byte data, Bool Last );void dev_i2c_txdatabit( Byte bit );Int16 dev_i2c_rxdatabyte( Bool Last );#elseInt16 dev_i2c_txdevaddr ( Byte deviceaddr, Bool operation );Int16 dev_i2c_txdatabyte ( Byte data );Int16 dev_i2c_txdatabit ( Byte bit );#endif#endif#endif