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標(biāo)題: 單片機(jī)LED流星雨源程序分享 [打印本頁(yè)]
作者: 51hei社區(qū)    時(shí)間: 2016-1-16 05:28
標(biāo)題: 單片機(jī)LED流星雨源程序分享
電路很簡(jiǎn)單，從程序中可以看出來(lái)，我就不畫(huà)了.
  1. #include<reg52.h>   
  2. #define uchar unsigned char
  3. #define led P1     
  4. bit flag=0;      
  5. uchar code lshift[3]={0x07,0x03,0x01};
  6. uchar code shift[7]={0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe};
  7. //imitate PWM data
  8. uchar code sta0[100]={  0x0f,0x8f,0x8f,0x8f,0x8f,0x8f,0x8f,0x8f,0x8f,0x8f,
  9.                         0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,
  10.       0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,0xcf,
  11.       0xcf,0xcf,0xcf,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  12.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  13.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  14.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  15.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  16.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,
  17.       0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef,0xef      
  18.         };
  19. //functions statement
  20. void delay(uchar ms);
  21. uchar exchg(uchar dat);
  22. //main function
  23. void main()   
  24. {
  25.   uchar i,j,k,x,sdata;
  26.   while(1)
  27.   {
  28.   for(k=1;k<8;k++)
  29.     for(i=0;i<22;i++)
  30.    for(j=0;j<100;j++)
  31.      {
  32.       sdata=(sta0[j]>>k)|shift[k-1];
  33.       if(flag==1)  led=exchg(sdata);
  34.    else led=sdata;   
  35.   }
  36.   for(x=1;x<4;x++)
  37.     for(i=0;i<22;i++)
  38.    for(j=0;j<100;j++)
  39.      {
  40.       sdata=( sta0[j]<<(4-x) )|lshift[x-1];
  41.       if(flag==1)  led=exchg(sdata);
  42.    else led=sdata;
  43.   }
  44.   

  46. }
  47. }
  48. void delay(uchar ms)
  49. {
  50.    uchar n;
  51.   while(ms--)
  52.   {
  53.     for(n=125;n>0;n--);
  54.   }
  55. }
  56. uchar exchg(uchar dat) //對(duì)字節(jié)的高位和低位進(jìn)行互換！
  57. {
  58.    uchar temp;
  59.    temp=
  60.    ((dat&0x01)<<7)|
  61.    ((dat&0x02)<<5)|
  62.    ((dat&0x04)<<3)|
  63.    ((dat&0x08)<<1)|
  64.    ((dat&0x10)>>1)|
  65.    ((dat&0x20)>>3)|
  66.    ((dat&0x40)>>5)|
  67.    ((dat&0x80)>>7);
  68. return temp;
  69. }
復(fù)制代碼






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