智能车制作

标题: 求助 [打印本页]

作者: 重口辣泡菜 时间: 2017-12-6 22:53
标题: 求助
写了个可调时钟的程序，按键还没完全弄好，但在开关定时器和调整时间的按钮按下去后数码管上无显示，松开又恢复正常，
第一个数字比其他几个亮，这个怎么改呢？谢谢

#include <reg52.h>
#include <intrins.h>
sbit key1=P3^0;
sbit key2=P3^1;
sbit key3=P3^2;
sbit key4=P3^3;
sbit wela=P2^1;
sbit dula=P2^0;
unsigned char num=-1;
unsigned char tabledsq[]={0,1};
unsigned char code tabledu[]=
{0x3F,0x06,0x5B,0x4F,
0x66,0x6D,0x7D,0x07,
0x7F,0x6F,0x77,0x7C,
0x39,0x5E,0x79,0x71,};
long s=0,m=0,h=0,shi1=0,ge1=0,shi2=0,ge2=0,shi3=0,ge3=0;
void Delay2ms(); //@11.0592MHz
void time_set();
void timer_set();
void delay(unsigned int z)
{
unsigned int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void main()
{
timer_set();
   while(1)
{
      shi1=s/10;
ge1=s%10;
shi2=m/10;
ge2=m%10;
shi3=h/10;
ge3=h%10;

      wela=1;
P1=0x7F;
wela=0;
dula=1;
P1=tabledu[ge1];
dula=0;
Delay2ms();

      wela=1;
P1=0xBF;
wela=0;
dula=1;
P1=tabledu[shi1];
dula=0;
Delay2ms();

wela=1;
P1=0xDF;
wela=0;
dula=1;
P1=0x40;
dula=0;
Delay2ms();

wela=1;
P1=0xEF;
wela=0;
dula=1;
P1=tabledu[ge2];
dula=0;
Delay2ms();

wela=1;
P1=0xF7;
wela=0;
dula=1;
P1=tabledu[shi2];
dula=0;
Delay2ms();

wela=1;
P1=0xFB;
wela=0;
dula=1;
P1=0x40;
dula=0;
Delay2ms();

wela=1;
P1=0xFD;
wela=0;
dula=1;
P1=tabledu[ge3];
dula=0;
Delay2ms();

wela=1;
P1=0xFE;
wela=0;
dula=1;
P1=tabledu[shi3];
dula=0;
Delay2ms();

      time_set();
}
}

void Delay2ms() //@11.0592MHz
{
unsigned char i, j;

_nop_();
i = 4;
j = 146;
do
{
while (--j);
} while (--i);
}

void timer0() interrupt 1
{
static long t=0;
    TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
t++;
if(t==20)
{
   t=0;
   s++;
   if(s==60)
   {
      s=0;
   m++;
   if(m==60)
   {
      m=0;
      h++;
   if(h==24)
   {
   h=0;
   }
   }
   }
}

}
void time_set()
{
   if(key1==0)
      delay(10);
      if (key1==0)
      {
   num++;
   if(num==2)
   {
         num=0;
   }
   TR0=tabledsq[num];
   while(!key1);
   delay(10);
   while(!key1);
      }
      else if(key2==0)
      delay(10);
      if (key2==0)
      {
   m++;
   if(m==60)
   {
      m=0;
   }
   while(!key2);
   delay(10);
   while(!key2);
}
else if(key3==0)
      delay(10);
      if (key3==0)
      {
   h++;
   if(h==24)
   {
      h=0;
   }
   while(!key3);
   delay(10);
   while(!key3);
}
else if(key4==0)
      delay(10);
      if (key4==0)
      {
   h++;
   if(h==24)
   {
      h=0;
   }
   while(!key4);
   delay(10);
   while(!key4);
}

}
void timer_set()
{
TMOD  |=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
ET0=1;
TR0=1;
EA=1;
}

作者: UPC_AE86 时间: 2017-12-7 08:04
单片机上机实验吧\笑哭

作者: lxa0 时间: 2017-12-19 20:48
很想帮你
可惜看不懂C

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