my7132.c

参考周立功的basic模式的CAN通讯

//--------------------------------------------------------------------------
// FileName   : My7132.C
// Description: Write and Read 7132 (Double I/O Ram) 
// DateTime   : 2005-07-06 Create
// Author     : jztx-liuweiming
// Version    : TxCmsPrj Ver1.0
//--------------------------------------------------------------------------
#include "My7132.H"

extern unsigned char xdata *p7132;
//--------------------------------------------------------------------------
// Function    : My7132Init
// Input  Para : unsigned int Addr_7132_Zero => 7132 Zero Addr
// Output Para : null
// Retun Val   : void
// Description : Set 7132 Zero Addr
// Call        : 
// call By     : main
// DateTime    : 2005-7-30
// Author      : [e-mail]
// Other info  : 
//--------------------------------------------------------------------------
    void My7132Init( unsigned int Addr_7132_Zero )
    {
        p7132 = Addr_7132_Zero;
    }
//--------------------------------------------------------------------------
// Function    : My7132WriteChr
// Input  Para : 1 unsigned int Addr_Off => addr offset
//               2 unsigned char chr     => Want Write Char
// Output Para : null
// Retun Val   : null
// Description : Write One Char to Addr_Off + Addr_7132_Zero
// Call        : 
// call By     : main
// DateTime    : 2005-7-30
// Author      : [e-mail]
// Other info  : 
//--------------------------------------------------------------------------
    //void My7132WriteChr(unsigned int Addr_Off, unsigned char chr)
    //{
    //    *(p7132 + Addr_Off) = chr;
	//}
//--------------------------------------------------------------------------
// Function    : My7132ReadChr
// Input  Para : unsigned int Addr_Off => addr offset
// Output Para : void
// Retun Val   : unsigned char chr     => read value
// Description : Read One Char form Addr_Off + Addr_7132_Zero
// Call        : 
// call By     : main
// DateTime    : 2005-7-30
// Author      : [e-mail]
// Other info  : 
//--------------------------------------------------------------------------
    //unsigned char My7132ReadChr (unsigned int Addr_Off)
    //{
    //    return *(p7132 + Addr_Off);
    //}