i2c.h

其中包括88796网卡驱动、mbmflash驱动、i2c接口的eeprom驱动、oki的ml9620can网卡驱动、扩展的串口驱动源代码。适用于moto的ppc8××系列在vxworks环境下。

/********************************************************************
*                      PPC885 I2C Function                          *
********************************************************************/

#ifndef	INCi2ch
#define	INCi2ch

#include "vxWorks.h"
#include "drv/sio/ppc860Sio.h"

typedef struct {          /* I2C_BUF */
    VUINT16 statusMode;             /* status and control */
    VUINT16 dataLength;             /* length of data buffer in bytes */
    u_char *dataPointer;            /* points to data buffer */
    } I2C_BUF;

typedef struct {
    I2C_PARAM *i2cParam;
    I2C_BUF *i2cRxBuf;
    I2C_BUF *i2cTxBuf; 
} I2C_DEV;

typedef struct {
    UCHAR seconds;
    UCHAR minutes;
    UCHAR hours;
    UCHAR day;
    UCHAR date;
    UCHAR month;
    UCHAR year;
} RTC_TIME;

typedef struct {
    UCHAR secondReg;
    UCHAR minuteReg;
    UCHAR hourReg;
    UCHAR dayReg;
    UCHAR dateReg;
    UCHAR monthReg;
    UCHAR yearReg;
} RTC_REGS;

STATUS readAddrVerify(UCHAR deviceAddr);
STATUS writeAddrVerify(UCHAR deviceAddr);
STATUS I2cInit(void);
STATUS eepromWriteEnable(void);
STATUS eepromWriteDisable(void);
STATUS eepromByteWrite(UCHAR deviceAddr, UCHAR wordAddrH, UCHAR wordAddrL, char data);
STATUS eepromPageWrite(UCHAR deviceAddr, int pageNum, UCHAR offset, char *buf, int number);
STATUS eepromCurrentRead(UCHAR deviceAddr, char *data);
STATUS eepromRandomRead (UCHAR deviceAddr, UCHAR worddAddrH, UCHAR wordAddrL, char *data);
STATUS eepromSequenceRead(UCHAR deviceAddr, UCHAR wordAddrH, UCHAR wordAddrL, char *buf, int number);
STATUS rtcWrite(UCHAR deviceAddr, UCHAR wordAddr, char *buf, int number);
STATUS rtcRead(UCHAR deviceAddr, UCHAR wordAddr, char *buf, int number);
STATUS rtcInit(void);
STATUS rtcTimeGet(RTC_TIME *rtcTime);
STATUS rtcTimeSet(RTC_TIME *rtcTime);

#endif /* INCi2ch */