ixp425i2c.h

来自「这是ARM在Vxworks的驱动源代码」· C头文件 代码 · 共 39 行

/* ixp425I2c.h - Intel IXP425 I2c header file */

/* Copyright 2002 Wind River Systems, Inc. */

/*
modification history
--------------------
01a,05jun02,jb  initial version...
*/

#ifndef __INCixp425I2ch 
#define __INCixp425I2ch


#ifdef __cplusplus
extern "C" {
#endif

#define IXP425_I2C_READ_FLAG 0x1	/* Read from slave */
#define IXP425_I2C_WRITE_MSK 0xFE	/* Write to slave */
#define IXP425_I2C_ACK_RTY 5	/* Acknowledge Receive retry count */


/* Function Declarations */
STATUS ixp425I2CStart ();
void ixp425I2CStop ();
void ixp425I2CAckSend ();
STATUS ixp425I2CAckReceive ();
void ixp425I2CByteTransmit (unsigned char dataByte);
void ixp425I2CByteReceive (unsigned char *dataByte);
STATUS ixp425I2CWriteTransfer (UINT8 devAddr, UINT8 *buffer, UINT32 num, UINT8 offset);
STATUS ixp425I2CReadTransfer (UINT8 devAddr, UINT8 *buffer, UINT32 num, UINT8 offset);

#ifdef __cplusplus
}
#endif

#endif /* __INCixp425I2ch */