红绿灯设计求帮忙调试，调试很久数码管显示不出来 -

标题: 红绿灯设计求帮忙调试，调试很久数码管显示不出来 [打印本页]

作者: 干虾米25725 时间: 2014-12-20 12:45
标题: 红绿灯设计求帮忙调试，调试很久数码管显示不出来
#include <reg52.h>
#define uchar unsigned char
#define uint  unsigned int
sbit wela =P2^3;
sbit dula =P2^4;
sbit  red = P1^4;
sbit  yellow = P1^3;
sbit  green=P1^2;
uchar shi,ge;
uchar code table[] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,0x7f, 0x6f};
bit flag1s = 1;
void Timer0_init();
void light_crol();
void delay(uint x);
void main()
{
   Timer0_init();
while (1)
{
      if (flag1s)
      {
         flag1s = 0;
         light_crol();
      }
}
}
void Timer0_init()
{
TMOD = 0x01;
TH0 = (65536-50000)/256 ;
TL0 = (65536-50000)%256 ;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void light_crol()
{uchar num=1;
static unsigned char color = 2;
static unsigned char timer = 0;
if (timer == 0)
{
      switch (color)
      {
         case 0:
   red=1;
green=1;
            if(num%2)
color = 1;
else color = 2;
            timer = 2;
         yellow=0;
if(num==11)
         num=1;
            break;
         case 1:
yellow=1;
green=1;
            color = 0;
            timer = 29;
            red=0;
num++;
            break;
         case 2:
red=1;
yellow=1;
            color = 0;
            timer = 39;
            green=0;
num++;
            break;
default:
            break;
      }

}
else
{
      timer--;
}
ge =timer%10;
shi =timer/10;
}
void LedScan()
{

   dula=1;
   P0=table[shi];
   dula=0;
      P0 = 0xFF;
   wela=1;
   P0=0xfe;
   wela=0;
   delay(50);
   P0=0xff;
   dula=1;
   P0=table[ge];
   dula=0;
      P0 = 0xFF;
   wela=1;
   P0=0xfd;
   wela=0;
   delay(50);
}
void InterruptTimer0() interrupt 1
{
static unsigned int tmr1s = 0;
TH0 =(65536-50000)/256 ;
TL0 = (65536-50000)/256 ;
LedScan();
tmr1s++;
if (tmr1s >= 20)
{
      tmr1s = 0;
      flag1s = 1;
}
}
void delay(uint x)
{uchar i,j;
for(i=x;i>0;i--)
for(j=110;j>0;j--);
}

作者: admin 时间: 2014-12-20 12:53
电路图呢最好贴出来一下方便调试

作者: 干虾米25725 时间: 2014-12-20 13:14

作者: 干虾米25725 时间: 2014-12-20 15:28

admin 发表于 2014-12-20 12:53
电路图呢最好贴出来一下方便调试

你好，能帮忙改下吗？

作者: mqwu 时间: 2014-12-20 17:07
改了三处： 1。 timer 改为全局变量，2。修改函数LedScan（uchar m）放到while(1)内，放在中断内每隔50ms 扫描一次太慢，3，分离变量直接在LedScan（）的形参内，无需在其它地方分离。
#include <reg52.h>
#define uchar unsigned char
#define uint  unsigned int
sbit wela =P2^3;
sbit dula =P2^4;
sbit  red = P1^4;
sbit  yellow = P1^3;
sbit  green=P1^2;
uchar shi,ge;
uchar code table[] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,0x7f, 0x6f};
static unsigned char timer = 0;
bit flag1s = 1;
void Timer0_init();
void light_crol();
void delay(uint x);
void main()
{
      Timer0_init();
while (1)
{
      LedScan(timer/10);
      LedScan(timer%10);
      if (flag1s)
      {
         flag1s = 0;
         light_crol();
      }
}
}
void Timer0_init()
{
TMOD = 0x01;
TH0 = (65536-50000)/256 ;
TL0 = (65536-50000)%256 ;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void light_crol()
{uchar num=1;
static unsigned char color = 2;
// static unsigned char timer = 0;
if (timer == 0)
{
      switch (color)
      {
         case 0:
               red=1;
            green=1;
            if(num%2)
            color = 1;
            else color = 2;
            timer = 2;
         yellow=0;
            if(num==11)
               num=1;
            break;
         case 1:
            yellow=1;
            green=1;
            color = 0;
            timer = 29;
            red=0;
            num++;
            break;
         case 2:
            red=1;
            yellow=1;
            color = 0;
            timer = 39;
            green=0;
            num++;
            break;
            default:
            break;
      }

}
else
{
      timer--;
}
// ge =timer%10;
//shi =timer/10;
}
void LedScan(uchar m)
{
   Dula=1;
   P0=table[m];
   Dula=0;

   P0=0xff;
   P0=0xfe;
   wela=1;
   delay(1);
   wela=0;

   P0=0xfd;
   wela=1;
   delay(10);
   wela=0;

}

void InterruptTimer0() interrupt 1
{
static unsigned int tmr1s = 0;
TH0 =(65536-50000)/256 ;
TL0 = (65536-50000)/256 ;
  //  LedScan();
tmr1s++;
if (tmr1s >= 20)
{
      tmr1s = 0;
      flag1s = 1;
}
}

作者: mqwu 时间: 2014-12-20 17:15
笔误，要把Dula改成dula

作者: 干虾米25725 时间: 2014-12-20 21:00

mqwu 发表于 2014-12-20 17:15
笔误，要把Dula改成dula

您好，感谢您认真的修改和帮助，可是还是不正确。数码管依然显示不出来。而且修改后的二极管都不亮了。

作者: dgahz 时间: 2014-12-20 22:28
#include <reg52.h>
#define uchar unsigned char
#define uint  unsigned int
sbit wela =P2^3;
sbit dula =P2^4;
sbit red = P1^4;
sbit yellow = P1^3;
sbit green=P1^2;
uchar shi,ge;
uchar code table[] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,0x7f, 0x6f};
bit flag1s = 1;
void Timer0_init();
void light_crol();
void delay(uint x);
void LedScan();
void main()
{
Timer0_init();
while (1)
{    LedScan();
      if (flag1s)
      {
         flag1s = 0;
         light_crol();
      }
}
}
void Timer0_init()
{
TMOD = 0x01;
TH0 = (65536-50000)/256 ;
TL0 = (65536-50000)%256 ;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void light_crol()
{ uchar num=1;
static unsigned char color = 2;
static unsigned char timer = 0;
if (timer == 0)
{
      switch (color)
      {
         case 0:
            red=1;
            green=1;
            if(num%2)
            color = 1;
            else
color = 2;
            timer = 2;
            yellow=0;
            if(num==11)
               num=1;
            break;
         case 1:
            yellow=1;
            green=1;
            color = 0;
            timer = 29;
            red=0;
            num++;
            break;
         case 2:
            red=1;
            yellow=1;
            color = 0;
            timer = 39;
            green=0;
            num++;
            break;
            default:
            break;
      }

}
else
{
      timer--;
}
ge =timer%10;
shi =timer/10;
}
void LedScan()
{
   wela=1;
         P0=0xfe;
         wela=0;
         dula=1;
         P0=table[shi];
         dula=0;
         P0 = 0xff;
         delay(20);
   wela=1;
         P0=0xfd;
         wela=0;
         dula=1;
         P0=table[ge];
         dula=0;
         P0 = 0xff;
         delay(20);
}
void InterruptTimer0() interrupt 1
{
static unsigned int tmr1s = 0;
TH0 =(65536-50000)/256 ;
TL0 = (65536-50000)/256 ;

tmr1s++;
if (tmr1s >= 20)
{
      tmr1s = 0;
      flag1s = 1;
}
}
void delay(uint x)
{
uint i,j;
for(i=x;i>0;i--)
   for(j=110;j>0;j--);
}

作者: dgahz 时间: 2014-12-20 22:29

作者: 干虾米25725 时间: 2014-12-21 00:28
非常感谢。可以用了。

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