標(biāo)題: 基于51單片機的數(shù)碼管顯示程序 [打印本頁]
作者: zyf321    時間: 2020-6-22 15:12
標(biāo)題: 基于51單片機的數(shù)碼管顯示程序
  1. #include <reg51.h>
  2. #define u8 unsigned char

  4. void delay1ms(){
  5. TMOD=0x01;
  6. TH0=0xfc;
  7. TL0=0x18;
  8. TR0=1;
  9. while(!TF0);
  10. TF0=0;
  11. }
  12. //void display(){
  13. // u8 i,w;
  14. // u8 led[]={0x92,0xa4,0xc0,0xf9,0xb0,0xf9,0x99,0xff};
  15. // w=0x01;
  16. // for(i=0;i<8;i++){
  17. //  P2=w;
  18. //  P0=led[ i];
  19. //  delay1ms();
  20. //  w<<=1;
  21. // }
  22. //}
  23. void display(){
  24. u8 i,j,k,w;
  25. u8 led[8][8]={{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf9},
  26.         {0xff,0xff,0xff,0xff,0xff,0xff,0xf9,0x90},
  27.         {0xff,0xff,0xff,0xff,0xff,0xf9,0x90,0x90},
  28.         {0xff,0xff,0xff,0xff,0xf9,0x90,0x90,0x90},
  29.         {0xff,0xff,0xff,0xf9,0x90,0x90,0x90,0xc0},
  30.         {0xff,0xff,0xf9,0x90,0x90,0x90,0xc0,0x80},
  31.         {0xff,0xf9,0x90,0x90,0x90,0xc0,0x80,0xc0},
  32.         {0xf9,0x90,0x90,0x90,0xc0,0x80,0xc0,0xa4}};


  35. for(j=0;j<8;j++){
  36.   for(k=0;k<50;k++){
  37.    w=0x01;
  38.    for(i=0;i<8;i++){
  39.     P2=w;
  40.     P0=led[j][ i];
  41.     delay1ms();
  42.     w<<=1;
  43.    }
  44.   }
  45. }
  46. }

  48. void main(){

  50. while(1){
  51.   display();
  52. }
  53. }
復(fù)制代碼

51hei圖片20200622150857.png (60.3 KB, 下載次數(shù): 53)

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