hal_i2c.h

来自「最新版IAR FOR ARM（EWARM）5.11中的代码例子」· C头文件 代码 · 共 54 行

/**********************************************************************************/
/*                                                                                */
/*    Copyright (C) 2006 Oki Electric Industry Co., LTD.                          */
/*                                                                                */
/*    System Name    :  ML675050 series                                           */
/*    Module Name    :  ML675050 system I2C-common definition include file        */
/*    File   Name    :  hal_i2c.h                                                 */
/*    Revision       :  01.00                                                     */
/*    Date           :  2006/1/27 initial version                                 */
/*                                                                                */
/**********************************************************************************/
#ifndef HAL_I2C_H
#define HAL_I2C_H

/***********************************/
/*    type definition              */
/***********************************/
#define FARST_MODE        (0x0001)      /* Fast-mode(400kHz) */
#define STANDARD_MODE     (0x0000)      /* Standard-mode(100kHz) */
#define WRITE_FLAG        (0x0000)      /* write flag */
#define READ_FLAG         (0x0001)      /* read flag */
#define CHANNEL_0         (0x0000)      /* channel 0 */
#define CHANNEL_1         (0x0001)      /* channel 1 */
#define MASTER_MODE       (0x0000)      /* Master mode */
#define SLAVE_MODE        (0x0001)      /* SLAVE mode */

#define HAL_I2C_OK              (1)     /* I2C No error */
#define HAL_I2C_BUS_ERROR       (-101)  /* I2C bus error */
#define HAL_I2C_ACK_ERROR       (-102)  /* I2C ACK error */
#define HAL_I2C_DIRECT_ERROR    (-103)  /* I2C DIRECT error */
#define HAL_I2C_DATA_ACK_ERROR  (-104)  /* I2C Data ACK error */
#define HAL_I2C_ADDR_ACK_ERROR  (-105)  /* I2C Address ACK error */
#define HAL_I2C_OTHER_ERROR     (-199)  /* I2C other error */

#define HAL_I2C_ACK             (1)  /* I2C ACK */
#define HAL_I2C_NO_ACK          (2)  /* I2C NO ACK */
#define HAL_I2C_NO_FREE_BUS     (3)  /* I2C NO FREE BUS */
#define HAL_I2C_MCF             (4)  /* I2C complete transmit */
#define HAL_I2C_STP             (5)  /* I2C Slave complete transmit */

/***********************************/
/*     API Functions prototype     */
/***********************************/
int16_t HalI2c_i2cInit( struct ml675050_i2cParam *param );
int16_t HalI2c_i2cMasTxDataStart(uint8_t *data, uint8_t scl_out);
int16_t HalI2c_i2cSlvRxDataStart(uint8_t *data);
int16_t HalI2c_i2cMasTxDataEnd(uint8_t *data);
int16_t HalI2c_i2cSlvRxDataEnd(uint8_t *data);
int16_t HalI2c_i2cMasReRxData(uint8_t *data);
int16_t HalI2c_i2cSlvReTxData(uint8_t *data);


#endif /* HAL_I2C_H */