spi.h

用于Slave I2C得读写,此代码针对特定得芯片,但对其他得芯片也有借鉴作用.

/*
**********************************************************************************************
* Project:	T8Lib
* File:		spi.h
* Contents: 
*           The spi  module interface head file 
*
* $Date: 10/13/05    Michal    T8R01LIB v0.1  initial
* $Date: 11/29/05    Michal    T8R01LIB v0.2  test finish  both 51 and MCF5249
* $Date: 11/30/05    Michal    T8R01LIB v0.3  make lib OK  on  MCF5249
* $Date: 12/01/05    Michal    T8R01LIB v0.4  Add HW_IIC ,HW_SPI macro	
* $Date: 12/02/05    Michal    T8R01LIB v0.5  Add  function below 
*                 static void DoXX(BYTE* out ,BYTE* in,BYTE len,BOOL mode)
*                 static BOOL DoComunication(BYTE* array, BYTE len,BOOL mode)
*
*                Moidfy some *Cmd Fuction and Reply() function
* $Date: 12/05/05    Michal    T8R02LIB v0.1  Add errcode1 to identify T8 off i2c bus state 
* $Date: 12/29/05 Michal T8R02LIB v0.2
	             Modify InitezT8(BOOL mode ) to BOOL  InitezT8Lib(BOOL ComMod,BYTE I2cSlvAdr,BOOL I2cIsHigh,BYTE SpiCLkMod,WORD SpiRate,BYTE *key);
                        void I2c_Init( ); void I2c_Sel( BYTE  SlvAdr, BOOL isHigh)  to void I2c_Init(BYTE  SlvAdr, BOOL isHigh);
                        void  Spi_Init();BOOL  Spi_ClkSel(BYTE mode, WORD rate);  To void  Spi_Init(BYTE mode, WORD rate);
                 Delete void SpiClkSelOpr(BYTE mode, WORD rate) ;
                        void I2c_Sel( BYTE  SlvAdr, BOOL isHigh);  
                        void SetXXKey(BYTE* key); 
* $Date: 12/29/05 Michal T8R02LIB v0.5 test communiction at 400khz speed  is OK  
* Copyright (c) 2005 Fameg, Inc. All rights reserved
***********************************************************************************************
*/
#ifndef SPI_H
#define SPI_H


void  Spi_Init(BYTE mode,WORD rate);
//BOOL  Spi_ClkSel(BYTE mode,WORD rate);   /*mode=1,CPOL=0,CPHA=0
  //                                             =3,CPOL=0,CPHA=0
  //                                             rate <=400kHz */
void  Spi_WriteData( BYTE *buffer, BYTE Len);
void  Spi_ReadData( BYTE *buffer, BYTE Len);
							   

#endif