hal_i2c.h

/**************************************************************************************************
  Filename:       hal_i2c.h
  Revised:        $Date: 2009-01-20 06:41:30 -0800 (Tue, 20 Jan 2009) $
  Revision:       $Revision: 18809 $

  Description:    Interface for I2C driver.


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**************************************************************************************************/

#ifndef HAL_I2C_H
#define HAL_I2C_H


#define I2C_ERROR 1
#define I2C_SUCCESS 0

#define OCM_READ (0x01)
#define OCM_WRITE (0x00)

/*********************************************************************
 * @fn      HalI2CInit
 * @brief   Initializes two-wire serial I/O bus
 * @param   void
 * @return  void
 */
void  HalI2CInit( void );

/*********************************************************************
 * @fn      HALI2CReceive
 * @brief   Receives data into a buffer from an I2C slave device
 * @param   address: address of the slave device
 * @param   buf: target array for read characters
 * @param   len: max number of characters to read
 * @return  zero when successful.
 */
int8   HalI2CReceive(uint8 address, uint8 *buf, uint16 len);

/*********************************************************************
 * @fn      HALI2CSend
 * @brief   Sends buffer contents to an I2C slave device
 * @param   address: address of the slave device
 * @param   buf - ptr to buffered data to send
 * @param   len - number of bytes in buffer
 * @return  zero when successful.
 */
int8   HalI2CSend(uint8 address, uint8 *buf, uint16 len);



int8 I2C_ReadMultByte( uint8 address, uint8 reg, uint8 *buffer, uint16 len );
int8 I2C_WriteMultByte( uint8 address, uint8 reg, uint8 *buffer, uint16 len );
#endif