单片机做ds1302实验时出现lcd乱码怎么办

Question

#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit CE=P3^5;
sbit DSIO=P3^4;
sbit SCLK=P3^6;
sbit RS=P2^6;
sbit RW=P2^5;
sbit E=P2^7;
uchar code readds[7]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d};
uchar code writeds[7]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c};
uchar TIME[7]={0,0,0x12,0x01,0x01,0x02,0x13};
void delayms()
{
uint i,j;
for(i=10;i<0;i--)
for(j=110;j<0;j--);
}

uchar DS1302read(uchar addr)
{
uchar i,dat,dat1;
SCLK=0;
delayms();
CE=1;
delayms();
for(i=0;i<8;i++)
{
DSIO=addr&0x01;
addr>>=1;
SCLK=1;
delayms();
SCLK=0;
delayms();
}
for(i=0;i<8;i++)
{
dat1=DSIO;
dat=dat>>1;
dat|=dat1<<7;
SCLK=1;
delayms();
SCLK=0;
delayms();
}
CE=0;
delayms();
SCLK=1;
delayms();
DSIO=0;
delayms();
DSIO=1;
delayms();
return dat;
}
void DS1302write(uchar addr,uchar dat)
{
uchar n;
SCLK=0;
delayms();
CE=1;
delayms();
for(n=0;n<8;n++)
{
DSIO=addr&0x01;
addr>>=1;
SCLK=1;
delayms();
SCLK=0;
delayms();
}
for(n=0;n<8;n++)
{
DSIO=dat&0x01;
dat>>=1;
SCLK=1;
delayms();
SCLK=0;
delayms();
}
CE=0;
delayms();
}

void DS1302init()
{
uchar n;
DS1302write(0x8E,0x00);
for(n=0;n<7;n++)
{
DS1302write(writeds[n],TIME[n]);
}
DS1302write(0x8E,0x80);
}

void lcdwritecom(uchar com)
{
E=0;
RS=0;
RW=0;
P0=com;
delayms();
E=1;
delayms();
E=0;
delayms();
}

void lcdwritedata(uchar dat)
{
E=0;
RS=1;
RW=0;
P0=dat;
delayms();
E=1;
delayms();
E=0;
delayms();
}

void lcdinit()
{
lcdwritecom(0x38);
lcdwritecom(0x0c);
lcdwritecom(0x06);
lcdwritecom(0x01);
}

void DS1302readtime()
{
uchar n;
for(n=0;n<7;n++)
TIME[n]=DS1302read(readds[n]);
}

void lcddisplay()
{
lcdwritecom(0x80+0x40);
lcdwritedata('0'+TIME[2]/16);
lcdwritedata('0'+TIME[2]&0x0f);
lcdwritedata('-');
lcdwritedata('0'+TIME[1]/16);
lcdwritedata('0'+TIME[1]&0x0f);
lcdwritedata('-');
lcdwritedata('0'+TIME[0]/16);
lcdwritedata('0'+TIME[0]&0x0f);
lcdwritecom(0x80);
lcdwritedata('2');
lcdwritedata('0');
lcdwritedata('0'+TIME[6]/16);
lcdwritedata('0'+TIME[6]&0x0f);
lcdwritedata('-');
lcdwritedata('0'+TIME[4]/16);
delayms();
lcdwritedata('0'+TIME[4]&0x0f);
delayms();
lcdwritedata('-');
lcdwritedata('0'+TIME[3]/16);
lcdwritedata('0'+TIME[3]&0x0f);
lcdwritecom(0x8d);
lcdwritedata('0'+TIME[5]&0x07);
}
void main()
{
lcdinit();
DS1302init();
while(1)
{
DS1302readtime();
lcddisplay();
}
}
为什么后面的数字出现了乱码 求各位大神帮忙

Answer 1

估计是你发送给1602的待显示数据有问题，调试看看，

51单片机的话 一般不使用在线仿真 可以使用串口打印的方法调试

Answer 2

需要给你完成一份吗