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ID:330226 · 发表于 2018-5-15 10:39

#include<reg51.h>
sbit beiR=P1^0;
sbit beiY=P1^1;
sbit beiG=P1^2;
sbit nanR=P1^3;
sbit nanY=P1^4;
sbit nanG=P1^5;
uint a,b,c,type,j,i;
void Delay(uint x)
{
      uchar i;
      while(x--)for(i=0;i<120;i++);

}
void delay_ms(uint q)
{
      uint i,j;
      for(i=q;i>0;i--)
      for(j=141;j>0;j--);
}
void shumaguan(uint k)
{
            b=k/10;
            c=k%10;
            P3=11111101;
            P2=smg_dw[b];
      delay_ms(20);
            P3=11111110;
            P2=smg_dw[c];
            delay_ms(20);
}
main()
{
      TMOD=0x01;
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      TR0=1;
      ET0=1;
      EX0=1;
      EA=1;
      IT0=1;
      a=10;
      type=1;
      while(1){
            switch(type)
            {
                     case 1:
                              beiR=0;beiY=1;beiG=1;
                              nanR=1;nanY=1;nanG=0;
                              shumaguan(a);
                     break;
                     case 2:
                              if(a%2!=0)
                              {
                              beiR=1;beiY=0;beiG=1;
                              }
                              if(a%2==0)
                              {
                              beiR=1;beiY=1;beiG=1;
                              }
                              shumaguan(a);
                     break;
                     case 3:
                              beiR=1;beiY=1;beiG=0;
                              nanR=0;nanY=1;nanG=1;
                              shumaguan(a);
                     break;
                     case 4:
                              if(a%2!=0)
                              {
                              nanR=1;nanY=0;nanG=1;
                              }
                              if(a%2==0)
                              {
                              nanR=1;nanY=1;nanG=1;
                              }
                              shumaguan(a);
                     break;
            }
                     }
}

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