#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
/*--------------------------sfr setting-----------------------*/
sfr SPCTL=0xD5;//SPI控制
sfr SPCFG=0xAA;//SPI
sfr SPDAT=0x86;//SPI數據
sbit ss=P1^4;
/*-------------------------------main-------------------------------*/
//主機讀
void main()
{
    SPCTL=0x78;
	while(1)
    {
        ss=1;
        SPDAT=0x00;
        ss=0;
        P0=SPDAT;
    }
}

/*
//從機發
void main()
{
    SPCTL=0x68;
	while(1)
    {
        SPDAT=0x39;
    }
}
*/