ioprot.h

spi协议

#include "reg51x.h"
#include "78e65.h"
sbit DO= P1^1;//if DO,DI short,DO=P1^1;
sbit DI=P1^1;
sbit SK=P1^2;
sbit CS_ds1302=P1^4;

sbit CS_93C46=P1^3;
/*
sbit modekey= P3^7;
sbit upkey=P3^6;
sbit downkey=P3^3;
sbit  cancelkey=P3^2;
sbit  spk=P4^3;
sbit  IR  =  P4^2;*/