标题: c51单片机电子表电路+程序 [打印本页]
作者: zxx520    时间: 2019-3-14 19:39
标题: c51单片机电子表电路+程序
电路原理图如下：


单片机源程序如下:
  1. #include<reg51.h>
  2. #define uchar unsigned char
  3. #define uint unsigned int
  4. sbit key1 = P3^7;
  5. sbit led = P3^0;
  6. sbit key2 = P1^7;
  7. sbit key3 = P1^6;
  8. sbit key4 = P1^5;
  9. sbit key5 = P1^4;
  10. sbit key6 = P1^3;
  11. sbit key7 = P1^2;
  12. sbit key8 = P1^1;
  13. sbit key9 = P1^0;
  14. code uchar abc[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
  15. uchar cba[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
  16. uchar cp,k,b = 0,j,c;
  17. uchar key1_zt,key2_zt,key3_zt,key4_zt,key5_zt,key6_zt,key7_zt,key8_zt,key9_zt,key_ms;
  18. char sec = 55,min = 59,hou = 23,hou_nz,min_nz;
  19. void delay(uint x)
  20. {
  21. while(x--);//????while(x)x--;
  22. }
  23. void key(void)
  24. {
  25. if(key1 == 1)
  26. delay(200);
  27. if(key1 == 1)
  28. key1_zt = 1;
  29. if(key1_zt == 1 && key1 == 0)
  30. {
  31.   key1_zt = 0;
  32.   key_ms++;
  33.   if(key_ms == 9)key_ms = 0;  
  34. }
  35. if(key2 == 1)
  36. delay(200);
  37. if(key2 == 1)
  38. key2_zt = 1;
  39. if(key2_zt == 1 && key2 == 0 && key_ms == 1)
  40. {
  41.   key2_zt = 0;
  42.   hou++;
  43. }
  44. if(key3 == 1)
  45. delay(200);
  46. if(key3 == 1)
  47. key3_zt = 1;
  48. if(key3_zt == 1 && key3 == 0 && key_ms == 2)
  49. {
  50.   key3_zt = 0;
  51.   hou--;
  52.   if(hou < 0)hou = 23;
  53. }
  54. if(key4 == 1)
  55. delay(200);
  56. if(key4 == 1)
  57. key4_zt = 1;
  58. if(key4_zt == 1 && key4 == 0 && key_ms == 3)
  59. {
  60.   key4_zt = 0;
  61.   min++;
  62. }
  63. if(key5 == 1)
  64. delay(200);
  65. if(key5 == 1)
  66. key5_zt = 1;
  67. if(key5_zt == 1 && key5 == 0 && key_ms == 4)
  68. {
  69.   key5_zt = 0;
  70.   min--;
  71.   if(min < 0)min = 59;
  72. }
  73. if(key6 == 1)
  74. delay(200);
  75. if(key6 == 1)
  76. key6_zt = 1;
  77. if(key6_zt == 1 && key6 == 0 && key_ms == 5)
  78. {
  79.   key6_zt = 0;
  80.   hou_nz++;
  81.   if(hou_nz == 24)hou_nz = 0;
  82. }
  83. if(key7 == 1)
  84. delay(200);
  85. if(key7 == 1)
  86. key7_zt = 1;
  87. if(key7_zt == 1 && key7 == 0 && key_ms == 6)
  88. {
  89.   key7_zt = 0;
  90.   hou_nz--;
  91.   if(hou_nz < 0)hou_nz = 23;
  92. }
  93. if(key8 == 1)
  94. delay(200);
  95. if(key8 == 1)
  96. key8_zt = 1;
  97. if(key8_zt == 1 && key8 == 0 && key_ms == 7)
  98. {
  99.   key8_zt = 0;
  100.   min_nz++;
  101.   if(min_nz == 60)min_nz = 0;
  102. }
  103. if(key9 == 1)
  104. delay(200);
  105. if(key9 == 1)
  106. key9_zt = 1;
  107. if(key9_zt == 1 && key9 == 0 && key_ms == 8)
  108. {
  109.   key9_zt = 0;
  110.   min_nz--;
  111.   if(min_nz < 0)min_nz = 59;
  112. }
  113. }
  114. void timer0_isr(void)interrupt 1//?ж??????
  115. {
  116. TH0 = (65536 - 5000) / 256;
  117. TL0 = (65536 - 5000) % 256;
  118. cp++;
  119. if(cp == 100)
  120. {
  121.   cp = 0;
  122.   k++;
  123.   b = ~b;
  124. }
  125. if(k == 2)
  126. {
  127.   k = 0;
  128.   sec++;
  129. }
  130. if(sec == 60)
  131. {
  132.   sec = 0;
  133.   min++;

  135. }
  136. if(min == 60)
  137. {
  138.   min = 0;
  139.   hou++;
  140. }
  141. if(hou == 24)hou = 0;
  142. P0 = 0xff;
  143. if(key_ms == 0)
  144. {
  145.    switch(j)
  146.   {
  147.    case 0:P0 = abc[sec%10];P2 = cba[j];break;
  148.    case 1:P0 = abc[sec/10];P2 = cba[j];break;
  149.    case 2:P0 = abc[min%10]&(0x7f | b);P2 = cba[j];break;
  150.    case 3:P0 = abc[min/10];P2 = cba[j];break;
  151.    case 4:P0 = abc[hou%10]&(0x7f | b);P2 = cba[j];break;
  152.    case 5:P0 = abc[hou/10];P2 = cba[j];break;
  153.   }
  154.   j++;
  155.   if(j == 6)j = 0;
  156. }
  157. if(key_ms == 1)
  158. {
  159.    switch(j)
  160.   {
  161.    case 0:P0 = abc[sec%10];P2 = cba[j];break;
  162.    case 1:P0 = abc[sec/10];P2 = cba[j];break;
  163.    case 2:P0 = abc[min%10] & (0x7f | b);P2 = cba[j];break;
  164.    case 3:P0 = abc[min/10];P2 = cba[j];break;
  165.    case 4:P0 = abc[hou%10] & 0x7f | b;P2 = cba[j];break;
  166.    case 5:P0 = abc[hou/10] | b;P2 = cba[j];break;
  167.   }
  168.   j++;
  169.   if(j == 6)j = 0;
  170. }
  171. if(key_ms == 2)
  172. {
  173.    switch(j)
  174.   {
  175.    case 0:P0 = abc[sec%10];P2 = cba[j];break;
  176.    case 1:P0 = abc[sec/10];P2 = cba[j];break;
  177.    case 2:P0 = abc[min%10] & (0x7f | b);P2 = cba[j];break;
  178.    case 3:P0 = abc[min/10];P2 = cba[j];break;
  179.    case 4:P0 = abc[hou%10] & 0x7f | b;P2 = cba[j];break;
  180.    case 5:P0 = abc[hou/10] | b;P2 = cba[j];break;
  181.   }
  182.   j++;
  183.   if(j == 6)j = 0;
  184. }
  185.   if(key_ms == 3)
  186. {
  187.    switch(j)
  188.   {
  189.    case 0:P0 = abc[sec%10];P2 = cba[j];break;
  190.    case 1:P0 = abc[sec/10];P2 = cba[j];break;
  191.    case 2:P0 = abc[min%10] & 0x7f | b;P2 = cba[j];break;
  192.    case 3:P0 = abc[min/10] | b;P2 = cba[j];break;
  193.    case 4:P0 = abc[hou%10] & (0x7f | b);P2 = cba[j];break;
  194.    case 5:P0 = abc[hou/10];P2 = cba[j];break;
  195.   }
  196.   j++;
  197.   if(j == 6)j = 0;
  198. }
  199. if(key_ms == 4)
  200. {
  201.    switch(j)
  202.   {
  203.    case 0:P0 = abc[sec%10];P2 = cba[j];break;
  204.    case 1:P0 = abc[sec/10];P2 = cba[j];break;
  205.    case 2:P0 = abc[min%10] & 0x7f | b;P2 = cba[j];break;
  206.    case 3:P0 = abc[min/10] | b;P2 = cba[j];break;
  207.    case 4:P0 = abc[hou%10] & (0x7f | b);P2 = cba[j];break;
  208.    case 5:P0 = abc[hou/10];P2 = cba[j];break;
  209.   }
  210.   j++;
  211.   if(j == 6)j = 0;
  212. }
  213.   if(key_ms == 5)
  214. {
  215.    switch(j)
  216.   {
  217.    case 0:P0 = abc[0];P2 = cba[j];break;
  218.    case 1:P0 = abc[0];P2 = cba[j];break;
  219.    case 2:P0 = abc[min_nz%10] & (0x7f | b);P2 = cba[j];break;
  220.    case 3:P0 = abc[min_nz/10];P2 = cba[j];break;
  221.    case 4:P0 = abc[hou_nz%10] & 0x7f | b;P2 = cba[j];break;
  222.    case 5:P0 = abc[hou_nz/10] | b;P2 = cba[j];break;
  223.   }
  224.   j++;
  225.   if(j == 6)j = 0;
  226. }
  227. if(key_ms == 6)
  228. {
  229.    switch(j)
  230.   {
  231.    case 0:P0 = abc[0];P2 = cba[j];break;
  232.    case 1:P0 = abc[0];P2 = cba[j];break;
  233.    case 2:P0 = abc[min_nz%10] & (0x7f | b);P2 = cba[j];break;
  234.    case 3:P0 = abc[min_nz/10];P2 = cba[j];break;
  235.    case 4:P0 = abc[hou_nz%10] & 0x7f | b;P2 = cba[j];break;
  236.    case 5:P0 = abc[hou_nz/10] | b;P2 = cba[j];break;
  237.   }
  238.   j++;
  239.   if(j == 6)j = 0;
  240. }
  241.   if(key_ms == 7)
  242. {
  243.    switch(j)
  244.   {
  245.    case 0:P0 = abc[0];P2 = cba[j];break;
  246.    case 1:P0 = abc[0];P2 = cba[j];break;
  247.    case 2:P0 = abc[min_nz%10] & 0x7f | b;P2 = cba[j];break;
  248.    case 3:P0 = abc[min_nz/10] | b;P2 = cba[j];break;
  249.    case 4:P0 = abc[hou_nz%10] & (0x7f | b);P2 = cba[j];break;
  250.    case 5:P0 = abc[hou_nz/10];P2 = cba[j];break;
  251.   }
  252.   j++;
  253.   if(j == 6)j = 0;
  254. }
  255. if(key_ms == 8)
  256. {
  257.    switch(j)
  258.   {
  259.    case 0:P0 = abc[0];P2 = cba[j];break;
  260.    case 1:P0 = abc[0];P2 = cba[j];break;
  261.    case 2:P0 = abc[min_nz%10] & 0x7f | b;P2 = cba[j];break;
  262.    case 3:P0 = abc[min_nz/10] | b;P2 = cba[j];break;
  263.    case 4:P0 = abc[hou_nz%10] & (0x7f | b);P2 = cba[j];break;
  264.    case 5:P0 = abc[hou_nz/10];P2 = cba[j];break;
  265.   }
  266.   j++;
  267.   if(j == 6)j = 0;
  268. }
  269. }
  270. void timer0_init(void)//??????????????
  271. {
  272. TMOD = 0x01;
  273. TH0 = (65536 - 5000) / 256;
  274. TL0 = (65536 - 5000) % 256;
  275. EA = 1;
  276. ET0 = 1;
  277. TR0 = 1;
  278. }
  279. void main(void)
  280. {
  281.     timer0_init();
  282. while(1);
  283. {
  284. key();
  285. }

  287. }



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电子表.zip (59.23 KB, 下载次数: 21)


作者: Toxic_pill    时间: 2019-4-28 15:07
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