新手求助，AT89C51單片機Proteus仿真交通燈

ID:1138816 · 發表于 2024-12-11 20:59

為啥數碼管不能正確顯示啊（代碼借鑒了論壇里的）

#include <REGX51.H>

sbit RED_A=P0^0;
sbit YELLOW_A=P0^1;
sbit GREEN_A=P0^2;
sbit RED_B=P0^3;
sbit YELLOW_B=P0^4;
sbit GREEN_B=P0^5;

unsigned char seg[]={0xC0,0xF9,0xA4,0xB0,0x99,
                        0x92,0x82,0xF8,0x80,0x90};
unsigned char wei[]={0xFE,0xFD};
unsigned int count0=0,timeleft=5,Time_Count=0,
               Flash_Count=0,Operation_Type=1;

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

}

void delay(unsigned int time)
{
      unsigned int i,j;

      for(i=0;i<time;i++)
      {
            for(j=0;j<120;j++);
      }
}

void display(unsigned int time, unsigned char port)
{
unsigned char tens=time/10;
unsigned char units=time%10;

P3 = wei[0];
if (port==1)
            {
      P1=seg[tens];
}
            else
            {
      P2=seg[tens];
}
delay(1);

P3 = wei[1];
if (port==1)
            {
      P1 = seg[units];
}
            else
            {
      P2 = seg[units];
}
delay(1);
}

void main()
{
      inittimer();
      while(1){};
}

void T0_INT() interrupt 1
{
      TL0=(65536-50000)%256;
      TH0=(65536-50000)/256;

      count0++;
  if(count0>=20)
  {
   if (timeleft>0)
   {
      timeleft--;
   }
   count0=0;
  }

      switch(Operation_Type)
      {
            case 1:
                              RED_A=1;YELLOW_A=1;GREEN_A=0;
            RED_B=0;YELLOW_B=1;GREEN_B=1;
                              if(++Time_Count!=100)
                              return;
                              display(timeleft,2);
                              Time_Count=0;
                              Operation_Type=2;
                              break;

            case 2:
      if(++Time_Count!=10)
                              return;
      Time_Count=0;
                              YELLOW_A=~YELLOW_A;GREEN_A=1;
                              if(++Flash_Count!=10)
                              return;
                              display(timeleft,2);
                              Flash_Count=0;
                              Operation_Type=3;
                              break;

            case 3:
                              RED_A=0;YELLOW_A=1;GREEN_A=1;
                              RED_B=1;YELLOW_B=1;GREEN_B=0;
                              if(++Time_Count!=100)
                              return;
                              display(timeleft,1);
                              Time_Count=0;
                              Operation_Type=4;
                              break;

            case 4:
                              if(++Time_Count!=10)
                              return;
      Time_Count=0;
      YELLOW_B=~YELLOW_B;GREEN_B=1;
      if(++Flash_Count!=10)
                              return;
                              display(timeleft,1);
      Flash_Count=0;
      Operation_Type=1;
                              break;
      }
}

ID:161164 · 發表于 2024-12-12 15:34

不時顯示了嗎？
有問題請描述問題，預計表現，實際表現，提供代碼，報錯信息

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新手求助，AT89C51單片機Proteus仿真交通燈