标题: Proteus仿真使用52单片机与ad0808进行ADC采集与显示 [打印本页]
作者: _Zenith_    时间: 2020-4-15 17:02
标题: Proteus仿真使用52单片机与ad0808进行ADC采集与显示
如题，附件自取


单片机源程序如下:
  1. #include <reg52.h>

  3. #define uchar unsigned char  
  4. #define uint unsigned int
  5. #define ulong unsigned long
  6. #define p0 P0
  7. #define p3 P3

  9. sbit en=P1^0;
  10. sbit rs=P1^2;
  11. sbit rw=P1^1;

  13. sbit adda=P1^3;
  14. sbit addb=P1^4;
  15. sbit addc=P1^5;
  16. sbit ale=P1^6;/*选择通道*/

  18. sbit start=P1^7;/*上升ad沿复位，下降沿ad开始转换模数*/
  19. sbit eoc=P3^0;        /*为1时就可以取数据了（硬件自己干的）*/
  20. sbit oe=P3^1;        /*为0 ad输出高阻态，为1 ad向单片机输数据（你要做的）*/

  22. uint  vm0;
  23. uchar v,v_2,v_1,v_0;

  25.   
  26. char cont[]={'0','1','2','3','4','5','6','7','8','9'};

  28. void init();
  29. void init2();
  30. void delay(uint z);
  31. void delay1(uint m);
  32. void write_com(uchar com);
  33. void write_data(uchar date);
  34. void LCD_set_xy( unsigned char x, unsigned char y );

  36. void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data1)
  37. {
  38.   LCD_set_xy( X, Y );
  39.   write_data( data1);
  40.   
  41. }

  43. void LCD_set_xy( unsigned char x, unsigned char y )
  44. {
  45.     unsigned char address;
  46.     if (y == 0) address = 0x80 + x;
  47.     else   address = 0xc0 + x;
  48.     write_com( address);
  49. }

  51. void write_string(unsigned char X,unsigned char Y,unsigned char *s)
  52. {
  53.     LCD_set_xy( X, Y );   
  54.     while (*s)  
  55.     {
  56.       write_data( *s );
  57.       s ++;
  58.     }
  59.       
  60. }

  62. void main()
  63. {
  64. init();
  65. init2();
  66. delay(100);
  67. while(1)
  68. {
  69. start=0;
  70. start=1;
  71. oe=0;
  72. start=0;
  73. while(eoc==1);
  74. oe=1;                          
  75. v=p0;
  76. oe=0;
  77. if(v>50)
  78. {
  79. vm0=((uint)v*196)/100;
  80. }
  81. else
  82. {
  83.   vm0=(uint)v*2;
  84. }
  85. v_2=(vm0/100)%10;
  86. v_1=(vm0%100)/10;
  87. v_0=vm0%10;

  89. write_string(0,0,"U:");
  90. LCD_write_char(2,0,v_2+'0');
  91. LCD_write_char(3,0,'.');
  92. LCD_write_char(4,0,v_1+'0');
  93. LCD_write_char(5,0,v_0+'0');
  94. write_string(6,0,"v");


  97. }

  99. }

  101. void init()
  102. {
  103. en=0;
  104. rw=0;
  105. write_com(0x38);
  106. write_com(0x0c);
  107. write_com(0x06);
  108. write_com(0x01);
  109. }

  111. void init2()
  112. {
  113.   adda=0;
  114.   addb=0;
  115.   addc=0;
  116.   ale=0;
  117.   delay(10);
  118.   ale=1;
  119.   delay(10);
  120.   ale=0;
  121. }


  124. void delay(uint z)
  125. {
  126. uchar x,y;
  127. for (x=z;x>0;x--)
  128. for (y=10;y>0;y--);
  129. }


  132. void write_com(uchar com)
  133. {
  134. rs=0;
  135. ……………………

  137. …………限于本文篇幅 余下代码请从51黑下载附件…………
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adc0808简单的实验（用lcd1602显示电压）有仿真和程序.rar (41.13 KB, 下载次数: 75)

作者: westdog    时间: 2020-5-14 09:12
附件中的ad.dsn文件用proteus 8打不开呢



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