标题: 51单片机计时器0-9999proteus仿真图及源码 [打印本页]
作者: kkzzr    时间: 2017-5-9 20:25
标题: 51单片机计时器0-9999proteus仿真图及源码
51单片机计时器0-9999
proteus仿真原理图：


单片机源码：
  1. #include<reg51.h>

  3. #define uchar unsigned char
  4. #define uint unsigned int

  6. uchar table[]={
  7. 0x3f,0x06,0x5b,0x4f,
  8. 0x66,0x6d,0x7d,0x07,
  9. 0x7f,0x6f,0x77,0x7c,
  10. 0x39,0x5e,0x79,0x71
  11. };

  13. uint i=0, cnt = 9998;

  15. void IntConfiguration();
  16. void TimeConfig();
  17. void display(uint,uint,uint,uint);
  18. void delay(int);

  20. void main()
  21. {
  22.         IP = 0x04;
  23.         IntConfiguration();
  24.         TimeConfig();
  25.         while(1)
  26.         {
  27.                 display(cnt/1000,(cnt%1000)/100,((cnt%1000)%100)/10,((cnt%1000)%100)%10);
  28.         }
  29. }

  31. void display(uint a,uint b,uint c,uint d)
  32. {
  33. P2=0x0e;
  34. P0=table[a];
  35. delay(1);

  37. P2=0x0d;
  38. P0=table[b];
  39. delay(1);

  41. P2=0x0b;
  42. P0=table[c];
  43. delay(1);

  45. P2=0x07;
  46. P0=table[d];
  47. delay(1);
  48. }

  50. void delay(int z)
  51. {
  52. uint x,y;
  53. for(x=z;x>0;x--)
  54. for(y=110;y>0;y--);
  55. }

  57. void IntConfiguration()
  58. {
  59.         IT0=0;
  60.         EX0=1;
  61.         IT1=0;
  62.         EX1=1;
  63.         EA=1;       
  64. }

  66. void TimeConfig()
  67. {
  68. //  TMOD = 0x10;
  69. //  TH1 = (65536-10000)/256;
  70. //  TL1 = (65536-10000)%256;
  71.   TMOD = 0x01;
  72.   TH0 = (65536-10000)/256;
  73.   TL0 = (65536-10000)%256;
  74.   EA = 1;
  75. //  ET1 = 1;
  76. //  TR1 = 1;
  77.   ET0 = 1;
  78.   TR0 = 1;       
  79. }

  81. void Int0() interrupt 0                 
  82. {
  83.    cnt = 0;
  84. }

  86. void Int1() interrupt 2                 
  87. {
  88.    cnt = 1111;
  89. }

  91. void mytimer() interrupt 1
  92. {
  93.   uint flag = 0;
  94. //  TH1 = (65536-10000)/256;
  95. //  TL1 = (65536-10000)%256;
  96.   TH0 = (65536-10000)/256;
  97.   TL0 = (65536-10000)%256;
  98.   i++;
  99.   if(i >= 100)
  100.   {
  101.           i = 0;


  104. …………限于本文篇幅 余下代码请从51黑下载附件…………
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作者: echo0127    时间: 2017-7-3 16:06
您能帮我看一个原理图，改写一下程序么？



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