/****************************************Copyright (c)**************************************************
**--------------File Info-------------------------------------------------------------------------------
** File name: I2C.h
** Last modified Date:2007-12-20
** Last Version: 1.0
** Descriptions: I2C驅(qū)動程序，利用中斷方式發(fā)送或者接受數(shù)據(jù)，主模式 master mode
**------------------------------------------------------------------------------------------------------
** Created by:   Rein Lee
** Created date: 2007-12-20
** Version:      1.0
** Descriptions: The original version
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
********************************************************************************************************/
#ifndef  I2CDRV_H
#define  I2CDRV_H  

/*********************************************************************************************************
** 函數(shù)名稱: I2C_Init
** 功能描述: I2C總線初始化
** 輸　入: fi2c I2C總線速率
** 輸　出: 無       
** 全局變量: 無
** 調(diào)用模塊: 無
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
extern	void I2C_Init(uint32 fi2c);

/*********************************************************************************************************
** 函數(shù)名稱: I2CWriteString
** 功能描述: 控制I2C總線發(fā)送數(shù)據(jù)到從機
** 輸　入:   slave 從機地址；subaddr從機內(nèi)部寫地址；*buf數(shù)據(jù)緩沖區(qū)；num寫入數(shù)據(jù)個數(shù)
** 輸　出: 無       
** 全局變量: I2C_Slave，I2C_SubAddr，I2C_SubAddrEnable，I2C_Buffer，I2C_Num
** 調(diào)用模塊: ISendStr()
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
extern	uint8 I2CSendString(uint8 sla, uint8 suba, uint8 *s, uint8 no);

/*********************************************************************************************************
** 函數(shù)名稱: I2CReadString
** 功能描述: 控制I2C總線到從機讀取數(shù)據(jù)
** 輸　入:   slave 從機地址；subaddr從機內(nèi)部讀地址；*buf數(shù)據(jù)緩沖區(qū)；num讀取數(shù)據(jù)個數(shù)
** 輸　出: 無       
** 全局變量: I2C_Slave，I2C_SubAddr，I2C_SubAddrEnable，I2C_Buffer，I2C_Num
** 調(diào)用模塊: IRcvStr()
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
extern	uint8  I2CRcvString(uint8 sla, uint8 suba, uint8 *s, uint8 no);

/*********************************************************************************************************
** 函數(shù)名稱: I2CSendByte()
** 功能描述: 向無子地址器件發(fā)送一字節(jié)數(shù)據(jù)。
** 輸　入: sla		器件地址
*          dat		要發(fā)送的數(shù)據(jù) 
** 輸　出: 返回值為0時表示出錯，為1時表示操作正確       
** 全局變量: 無
** 調(diào)用模塊: 無
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
extern uint8  I2CSendByte(uint8 sla, uint8 dat);


/*********************************************************************************************************
** 函數(shù)名稱: I2CRcvByte()
** 功能描述: 向無子地址器件讀取一字節(jié)數(shù)據(jù)。
** 輸　入: sla		器件地址
*          dat		接收數(shù)據(jù)的變量指針 
** 輸　出: 返回值為0時表示出錯，為1時表示操作正確       
** 全局變量: 無
** 調(diào)用模塊: 無
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
extern uint8  I2CRcvByte(uint8 sla, uint8 *dat);

/*********************************************************************************************************
** 函數(shù)名稱: I2C_Exception
** 功能描述: I2C總線中斷
** 輸　入: 無
** 輸　出: 無       
** 全局變量: I2C_Slave，I2C_SubAddr，I2C_SubAddrEnable，I2C_Buffer，I2C_Num
** 調(diào)用模塊: 無
**------------------------------------------------------------------------------------------------------
** Created by    Rein Lee
** Created date: 2007-12-20
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void	I2C_Exception(void);

#endif
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/