各位大神，小弟辛苦写出程序单显示不出来求各位大神解救

ID:154739 · 发表于 2017-3-19 16:37

我用DS1302+LCD1602做一个实时钟，但是不显示时间啊求给位大神看看我的哪里出了问题
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden=P1^2;
sbit lcdwr=P1^1;
sbit lcdrs=P1^0;
sbit sda=P1^4;
sbit rst=P1^5;
sbit sck=P1^3;
sbit ACC0=P2^0;
sbit ACC7=P2^7;
char shi,fen,miao;
uchar code table[]={"  :  :  "};
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=100;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
P0=com;
lcden=0;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date)
{
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init_1602()
{
lcden=0;
lcdwr=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void gudingtime()
{
uchar num;
write_com(0x80+0x40);
for(num=0;num<16;num++);
{
write_data(table[num]);
}
}
void write_sfm(uchar add,uchar date)
{
uchar shiwei,gewei;
shiwei=date/10;
gewei=date%10;
write_com(0x80+add);
write_data(0x30+shiwei);
write_data(0x30+gewei);
}
void input_1bye(uchar td)
{
uchar i;
ACC=td;
for(i=0;i<8;i++);
{
  sda=ACC0;
sck=1;
sck=0;
ACC=ACC>>1;
}
}
uchar output_1bye(void)
{
uchar i;
for(i=8;i>0;i--);
{
  ACC=ACC>>1;
ACC7=sda;
sck=1;
sck=0;
}
  return(ACC);
}
void write_1302(uchar dsadd,uchar dsdate)
{
rst=0;
sck=0;
rst=1;
input_1bye(dsadd);
input_1bye(dsdate);
sck=1;
rst=0;
}
uchar read_1302(uchar dsadd)
{
uchar dsinf;
rst=0;
sck=0;
rst=1;
input_1bye(dsadd);
dsinf=output_1bye();
sck=1;
rst=0;
return(dsinf);
}
void inital_1302()
{
write_1302(0x8e,0x00);
write_1302(0x90,0xaa);
write_1302(0x80,0x53);
write_1302(0x84,0x13);
write_1302(0x82,0x43);
write_1302(0x8e,0x80);
}
void main()
{
init_1602;
delay(5);
gudingtime_1602();
inital_1302();
while(1)
{
  miao=read_1302(0x81);
fen=read_1302(0x83);
shi=read_1302(0x85);
write_sfm(7+0x40,miao);
write_sfm(4+0x40,fen);
write_sfm(1+0x40,shi);
}

}