text1.c

单片机与时钟芯片ds1302接口程序

#include<reg51.h>
#define uchar unsigned char
#define Busy    0x80 
sbit  RS=P3^4;
sbit RW=P3^5;
sbit EAS=P3^6;
 uchar i;

void delay(void)
{ 
for(i=2500;i>0;i--);
}

void write(void)
{
RS=0;
RW=0;
EAS=0;
delay();
EAS=1;
}

disp(*char date[i])
{
	for(i=0;i<16;i++)
	{
	P1=date[i];
	RS=1;
	RW=EAS=0;
	delay();
	EAS=1;
	}
}
void main()
{uchar date1[16]={i love you!}
uchar  date2[16]={ha ha you are}
delay();
P1=0X01;
write();
P1=0X38	;
write();
P1=0X0F	;
write();
P1=0X06;
write();
P1=0X80;
disp(date1[]);
write();
disp(date2[]);
}