main.c

spi协议

#include "reg51x.h"
#include "tab.h"
#include <stdio.h>
#include <intrins.h>
#include "ioprot.h"
#include "78e65.h"
#include "ds1302.h"
Initialize78E65();
OSAUX_RAM_EN(char data temp);
void main(void){
	uchar i;
	uchar txdata[9]={0x12,0x34,0x56,0x78,0x90,0x00,0X00,0X00,0X00};
	Initialize78E65();
	PCON = SMOD;
	SCON=UARTMODE1+UARTREN+UARTTI;
	TMOD=TIME1MODE2;
	TH1=230;
	TR1=1;
	OSAUX_RAM_EN(1);// EXT ROM EN (Xdata)
	CS_93C46=0;
	//==============SPI process==============
	ds1302init();
	/*
	DS1302_write_1byte(year_addr,0x06);//set timer data
	DS1302_write_1byte(week_addr,0x06);
	DS1302_write_1byte(month_addr,0x04);
	DS1302_write_1byte(date_addr,0x22);
	DS1302_write_1byte(hour_addr,0x8);
	DS1302_write_1byte(minutes_addr,0x30);
	DS1302_write_1byte(seconds_addr,0x50);//*/
	
	DS1302_rxtime(&txdata);//read timer
	while(1){
		for(i=0;i<9;i++){
			printf("rx%bx=%bx",i,txdata[i]);
			}
		printf("\n");
		DS1302_rxtime(&txdata);//read timer
		}
}