标题: protues仿真LCD1601亮但是没有显示.求大佬指点一下 [打印本页]
作者: bzdgjsm    时间: 2023-4-20 23:40
标题: protues仿真LCD1601亮但是没有显示.求大佬指点一下
  1. #include<reg51.h>
  2. #include<intrins.h>
  3. #include<math.h>
  4. #define uint unsigned int
  5. #define uchar unsigned char
  6. #define RS_CLR RS=0
  7. #define RS_SET RS=1
  8. #define RW_CLR RW=0
  9. #define RW_SET RW=1
  10. #define EN_CLR EN=0
  11. #define EN_SET EN=1
  12. #define DataPort P2
  13. sbit RS = P3^0;
  14. sbit RW= P3^1;
  15. sbit EN = P3^2;
  16. unsigned char Data        ;
  17. unsigned char x;
  18. unsigned char y ;
  19. void LCD_Init(void)  ;
  20. void inti()
  21. {LCD_Init() ;
  22. TMOD=0x05 ;/
  23. TH0=F0 ;
  24. TL0=60 ;/
  25. TR0=1;
  26. }

  28. // μ￥???ú??????3?êy??
  29. uint num;

  31. void delay(uint xms)
  32. {
  33. uint j;
  34. for(;xms>0;xms--)
  35. for(j=110;j>0;j--);
  36. }

  38. void DelayUs2x(unsigned char t)
  39. {
  40. while(--t);        }

  42. void DelayMs(unsigned char t)
  43. {
  44. while(t--)
  45. {
  46. DelayUs2x(245);
  47. DelayUs2x(245);        }}

  49. bit LCD_Check_Busy(void)
  50. {
  51. DataPort= 0xFF;
  52. RS_CLR;
  53. RW_SET;
  54. EN_CLR;
  55. _nop_();
  56. EN_SET;
  57. return (bit)(DataPort & 0x80);        }

  59. void LCD_Write_Com(unsigned char com)
  60. {  
  61. // while(LCD Check Busy0)
  62. DelayMs(5);
  63. RS_CLR;
  64. RW_CLR;
  65. EN_SET ;
  66. DataPort= com;
  67. _nop_();
  68. EN_CLR;           }
  69.       

  71. void LCD_Write_Data(unsigned char Data)
  72. {
  73. //while(LCD_Check_Busy0)
  74. DelayMs(5);
  75. RS_SET;
  76. RW_CLR;
  77. EN_SET;
  78. DataPort= Data;
  79. _nop_();
  80. EN_CLR;}

  82. void LCD_Clear(void)
  83. {
  84. LCD_Write_Com(0x01);
  85. DelayMs (5);         }

  87. void LCD_Write_String (unsigned char x, unsigned char y,unsigned char        *s)
  88. {
  89. if (y == 0)
  90. {
  91. LCD_Write_Com(0x80 + x);
  92. }
  93. else
  94. {
  95. LCD_Write_Com(0xC0 + x);
  96. }
  97. while (*s)
  98. {
  99. LCD_Write_Data( *s);
  100. s ++;        }}      

  102. void LCD_Write_Char(unsigned char x, unsigned char y, unsigned char Data)  
  103. {
  104. if (y == 0)
  105. {
  106. LCD_Write_Com(0x80 + x);
  107. }
  108. else
  109. {
  110. LCD_Write_Com(0xC0 + x);
  111. }
  112. LCD_Write_Data( Data); }

  114. void LCD_Init(void)
  115. {
  116. LCD_Write_Com(0x38);  
  117. DelayMs(5);
  118. LCD_Write_Com(0x38);
  119. DelayMs(5);
  120. LCD_Write_Com(0x38);

  122. DelayMs (5) ;
  123. LCD_Write_Com(0x38);
  124. LCD_Write_Com(0x08);
  125. LCD_Write_Com(0x01);
  126. LCD_Write_Com(0x06);
  127. DelayMs (5);
  128. LCD_Write_Com(0x0C); }

  130. void main()
  131. {
  132. inti();
  133. while(1)
  134. {
  135. float num1,num2,num;
  136. Data=TH0*255+TL0;
  137. if(Data==4000)
  138. {
  139. TH0=F0;
  140. TL0=60;
  141. TR0=0;
  142. }
  143. num1=Data/4*0.05;
  144. num2=0.05/4*(Data%4);
  145. num=num1+num2;
  146. LCD_Write_Char(x,y,num) ;
  147. }

  149. }
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作者: 15031773670    时间: 2023-5-27 20:09
这么复 杂。没有什么意义吧。



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