单片机调试时出错，不知显示是什么意思.编译没错。

只看该作者 · 2012-7-19 22:55

程序弄了四天了啊！还是没头绪。伤不起。请指教。谢谢！

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code ss[]="ds1302";
uchar code ss1[]="DAY-4";
uchar code ss2[]="0123456789-";

sbit lcden=P3^4;
sbit rs=P3^5;
sbit wr=P3^6;

sbit wela=P2^7;
sbit dula=P2^6;

sbit sclk=P2^1;
sbit io=P2^0;
sbit rst=P2^5;

sbit ACC0=ACC^0;
sbit ACC7=ACC^7;
void delay(uchar a)
{
uint i,j;
for(i=a;i>0;i--)
for(j=110;j>0;j--);
}
//**********************************
// DS1302模块
//**********************************
void input_byte(uchar date)
{
uchar i;
ACC=date;
for(i=0;i<8;i++)
{
io=ACC^0;
      sclk=0;
sclk=1;
ACC=ACC>>1;
}
}
uchar output_byte(void)
{
uchar i;
for(i=0;i<8;i++)
{
// temp=temp>>1;
// if(io)
// temp=temp|0x80;
// sclk=1;
// sclk=0;

ACC7=io;
sclk=1;
sclk=0;
ACC=ACC>>1;

}
// return temp;
return ACC;
}
void write(uchar add,uchar date1)
{
rst=0; //上电运行之前，rst必须保持低电平
sclk=0; //sclk为低电平时，才能将rst置高
rst=1;

input_byte(add);
input_byte(date1);

sclk=1; //时序图中sclk为高时之后一点rst再置为低
rst=0;
}
uchar read(uchar add)
{
uchar temp;
rst=0;
sclk=0;
rst=1;

input_byte(add);
temp=output_byte;

sclk=1;
rst=0;
return temp;
}
//***************************
//led1602
//***************************
void wrlcd_com(uchar lcd_com)
{
rs=0;
P0=lcd_com;
delay(5);
lcden=1;
delay(2);
lcden=0;
}
void wrlcd_da(uchar lcd_da)
{
rs=1;
P0=lcd_da;
delay(5);
lcden=1;
delay(2);
lcden=0;
}
void lcd_init()
{
dula=0;
wela=0;

lcden=0;
wr=0;
wrlcd_com(0x38);
wrlcd_com(0x0c);
wrlcd_com(0x06);
wrlcd_com(0x01);
wrlcd_com(0x80);
}
//************************
//DS1302初始化
//************************
void ds1302_init()
{
write(0x8e,0x00); //去保护
write(0x80,0x09); //秒
write(0x82,0x08); //分
write(0x84,0x11);    //24小时方式
write(0x86,0x19); //日
write(0x88,0x07); //月
write(0x8a,0x04); //星期
write(0x8c,0x12); //年
write(0x8e,0x80); //写保护
}
//************************
//主函数部分
//************************
void main()
{
   uchar num;
   uchar sec,sec1,sec2;
   uchar min,min1,min2;
   uchar hour,hour1,hour2;
   uchar day,day1,day2;
   uchar month,month1,month2;
   uchar week;
   uchar year,year1,year2;

lcd_init();
delay(10);

ds1302_init();
delay(10);
for(num=0;num<6;num++)
{
wrlcd_da(ss[num]);
delay(20);
}
wrlcd_com(0x80+0x41);
for(num=0;num<4;num++)
{ //    wrlcd_com(0x80+0x41+num);
wrlcd_da(ss1[num]);
// wrlcd_da(ss1[num]);
delay(20);
}
while(1)
{

sec=read(0x81);    //miao
// delay(1);
sec1=sec&0x0f;
sec2=sec>>4;

min=read(0x83);    //fen
min1=min&0x0f;
min2=min>>4;

hour=read(0x85);  //shi
hour1=hour&0x0f;
hour2=hour>>4;

day=read(0x87);    //tia
day1=day&0x0f;
day2=day>>4;

month=read(0x89);    //yue
month1=month&0x0f;
month2=month>>4;

week=read(0x8b);    //zhou
week=week&0x0f;

year=read(0x8d);    //nian
year1=year&0x0f;
year2=year>>4;

   wrlcd_com(0x80+0x4e);
wrlcd_da(ss2[sec2]);
wrlcd_com(0x80+0x4f);
wrlcd_da(ss2[sec1]);

wrlcd_com(0x80+0x4d);
wrlcd_da(':');

wrlcd_com(0x80+0x4b);
wrlcd_da(ss2[min2]);
wrlcd_com(0x80+0x4c);
wrlcd_da(ss2[min1]);

wrlcd_com(0x80+0x4a);
wrlcd_da(':');

wrlcd_com(0x80+0x48);
wrlcd_da(ss2[hour2]);
wrlcd_com(0x80+0x49);
wrlcd_da(ss2[hour1]);

wrlcd_com(0x80+0x0f);
wrlcd_da(ss2[day2]);
wrlcd_com(0x80+0x0e);
wrlcd_da(ss2[day1]);

wrlcd_com(0x80+0x0d);
wrlcd_da('/');

wrlcd_com(0x80+0x0b);
wrlcd_da(ss2[month2]);
wrlcd_com(0x80+0x0c);
wrlcd_da(ss2[month1]);

wrlcd_com(0x80+0x0a);
wrlcd_da('/');

wrlcd_com(0x80+0x08);
wrlcd_da(ss2[year2]);
wrlcd_com(0x80+0x09);
wrlcd_da(ss2[year1]);

}
}