#include "reg52.h"
#define SD 0
//==========================
sbit CS=P0^0;
sbit CLK=P0^1;
sbit DI =P0^2;
sbit DO =P0^3;
//============================
unsigned char bdata ADC_BIT;
sbit ADC0=ADC_BIT^0;
sbit ADC1=ADC_BIT^1;
sbit ADC2=ADC_BIT^2;
sbit ADC3=ADC_BIT^3;
sbit ADC4=ADC_BIT^4;
sbit ADC5=ADC_BIT^5;
sbit ADC6=ADC_BIT^6;
sbit ADC7=ADC_BIT^7;
//==============================
char numf[]={0xfc,0x60,0x