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標題: 51單片機數碼管顯示HELLO技術 [打印本頁]
作者: jamac    時間: 2022-1-2 14:09
標題: 51單片機數碼管顯示HELLO技術
  1. #include<reg51.h>
  2. void delay(unsigned int i)
  3. {
  4. unsigned int k;
  5. for(k=0;k<i;k++);
  6. }
  7. void disp3()
  8. {
  9. unsigned char ledmove[]={0xff,0xff,0xff,0xff,0xff,0x89,0x86,0xc7,0xc7,0xc0,0xff,0xff,0xff,0xff,0xff};
  10. unsigned char com[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
  11. unsigned char i,j,num;
  12. for(num=0;num<10;num++)
  13.   
  14.   for(j=0;j<100;j++)
  15.   
  16.    for(i=0;i<6;i++)
  17.    {
  18.     P1=0xff;
  19.     P2=com[i];
  20.     P1=ledmove[num+i];
  21.     delay(100);
  22.    }
  23.   

  25. }
  26. void main()
  27. {
  28. while(1) disp3();
  29. }
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