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簡單的LCD漢字顯示程序 按鍵按下顯示字符（不帶只讀 有仿真）

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ID:142974 發(fā)表于 2016-10-16 23:51 | 只看該作者 |只看大圖 回帖獎勵 |倒序瀏覽 |閱讀模式
簡單的LCD漢字顯示程序附帶仿真程序和C文件，按下按鈕就可以顯示下面的字符.下面是原理圖：


仿真工程文件下載：
漢字顯示程序.rar (35.84 KB, 下載次數(shù): 27)

源程序：
  1. #include<reg51.h>
  2. #define uchar unsigned char
  3. #define uint unsigned int
  4. uchar code tab1[]={//簡單漢字顯示程序
  5. 0x08,0x04,0xC3,0x12,0x26,0x8A,0xA2,0xAA,0xA4,0xA3,0x22,0x26,0xEA,0x02,0x02,0x00,
  6. 0x00,0x00,0xFF,0x00,0x00,0x3F,0x24,0x24,0x24,0x3F,0x00,0x80,0xFF,0x00,0x00,0x00,
  7. 0x00,0x00,0xF8,0x49,0x4A,0x4C,0x48,0xF8,0x48,0x4C,0x4A,0x49,0xF8,0x00,0x00,0x00,
  8. 0x10,0x10,0x13,0x12,0x12,0x12,0x12,0xFF,0x12,0x12,0x12,0x12,0x13,0x10,0x10,0x00,
  9. 0x10,0x60,0x02,0x0C,0xC0,0x02,0x1E,0xE2,0x02,0x02,0x02,0xE2,0x1E,0x00,0x00,0x00,
  10. 0x04,0x04,0x7C,0x03,0x80,0x80,0x40,0x20,0x13,0x0C,0x13,0x20,0x40,0x80,0x80,0x00,
  11. 0x10,0x0C,0x04,0x24,0x24,0x24,0x25,0x26,0xA4,0x64,0x24,0x04,0x04,0x14,0x0C,0x00,
  12. 0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x00,
  13. 0x00,0x00,0x00,0xFE,0x92,0x92,0x92,0x92,0x92,0x92,0x92,0xFE,0x00,0x00,0x00,0x00,
  14. 0x40,0x42,0x44,0x58,0x40,0x7F,0x40,0x40,0x40,0x7F,0x40,0x50,0x48,0x46,0x40,0x00,
  15. 0x40,0x40,0x42,0x42,0x42,0x42,0x42,0xC2,0x42,0x42,0x42,0x42,0x42,0x40,0x40,0x00,
  16. 0x20,0x10,0x08,0x06,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x02,0x04,0x08,0x30,0x00,
  17. 0x24,0x24,0xA4,0xFE,0x23,0x22,0x00,0x3E,0x22,0x22,0x22,0x22,0x22,0x3E,0x00,0x00,
  18. 0x08,0x06,0x01,0xFF,0x01,0x06,0x40,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x41,0x00,
  19. 0x00,0x00,0xFC,0x04,0x04,0x04,0x14,0x15,0x56,0x94,0x54,0x34,0x14,0x04,0x04,0x00,
  20. 0x40,0x30,0x0F,0x00,0x01,0x01,0x01,0x41,0x81,0x7F,0x01,0x01,0x01,0x05,0x03,0x00

  22. };
  23. uchar code tab2_1[]={ //abcdefgh ijklmnop


  26. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,
  27. 0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,
  28. 0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,
  29. 0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,
  30. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,
  31. 0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
  32. 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,
  33. 0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,
  34. 0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
  35. 0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,
  36. 0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,
  37. 0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
  38. 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,
  39. 0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,
  40. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,
  41. 0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,

  43. };
  44. uchar code tab2_2[]={//qrstuvwx yz
  45. 0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,
  46. 0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,
  47. 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,
  48. 0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,
  49. 0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,
  50. 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,
  51. 0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,
  52. 0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,
  53. 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,
  54. 0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,
  55. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  56. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  57. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  58. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  59. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  60. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  62. };
  63. uchar code tab2_3[]={//0123456789

  65. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
  66. 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
  67. 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
  68. 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,
  69. 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,
  70. 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,
  71. 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,
  72. 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,
  73. 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,
  74. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,
  75. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  76. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  77. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  78. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  79. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  80. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,


  83. };






  90. sbit  RST=P2^5;
  91. sbit  E=P2^4;
  92. sbit  RW=P2^3;
  93. sbit  RS=P2^2;
  94. sbit  CS2=P2^1;
  95. sbit  CS1=P2^0;
  96. sbit  K0=P1^0;
  97. sbit  K1=P1^1;
  98. sbit  K2=P1^2;
  99. uchar b,n,m;
  100. void Delay(uchar ms){
  101.         uchar i;
  102.         for(;ms>0;ms--)
  103.                 for(i=120;i>0;i--);
  104. }
  105. void Check_busy()
  106. {
  107.         uchar a;
  108.         RW=1;
  109.         RS=0;
  110.         E=1;
  111.         while(1)
  112.         {
  113.                 E=0;
  114.                 if(!(P0&0x80))
  115.                         break;
  116.                 E=1;
  117.                 a++;
  118.                 if(a>10)
  119.                         break;
  120.         }
  121. }
  122. void Write_inst(uchar inst)
  123. {
  124.         Check_busy();
  125.         RS=0;
  126.         RW=0;
  127.         E=1;
  128.         P0=inst;
  129.         E=0;
  130. }
  131. void Write_data(uchar dat)
  132. {
  133.         Check_busy();
  134.         RS=1;
  135.         RW=0;
  136.         E=1;
  137.         P0=dat;
  138.         E=0;
  139. }
  140. void Chip_select(uchar p)
  141. {
  142.         if(p==0){
  143.                 CS1=0;
  144.                 CS2=0;
  145.                 }
  146.         else if(p==1){
  147.                 CS1=0;
  148.                 CS2=1;
  149.                 }
  150.         else if(p==2){
  151.                 CS1=1;
  152.                 CS2=0;
  153.                 }
  154.         else{
  155.                 CS1=1;
  156.                 CS2=1;
  157.                 }
  158. }
  159. void display1(uint opt,uint line,uint list,uchar a,uchar s)//字符顯示程序
  160. {       
  161.         uint i;
  162.         uchar temp;
  163.         Chip_select(opt);
  164.         s=s*16;   //16個字符為一組
  165.         Write_inst(0xb8+line*1); //1頁為8   2頁為16 display(1,0,0,0);display(1,1,4,8);display(1,1,5,9);
  166.         Delay(100);   
  167.         Write_inst(0x40+list*8); //一次掃描16列  
  168.         for(i=0;i<8;i++){
  169.                 if(a==0){
  170.                         temp=tab2_1[s];//a=0輸出abcdefgh ijklmnop
  171.                 }
  172.                 else if(a==1){
  173.                         temp=tab2_2[s];//a=1輸出qrstuvwx yz
  174.                 }
  175.                 else if(a==2){
  176.                         temp=tab2_3[s];//a=2輸出0123456789
  177.                 }
  178.                
  179.                 Write_data(temp); //查表格
  180.                 s++;
  181.         }
  182.         Write_inst(0xb8+line*1+1); //下半頁
  183.         Delay(100);
  184.         Write_inst(0x40+list*8);  //一次掃描16列
  185.                 for(i=0;i<8;i++){
  186.                 if(a==0){
  187.                         temp=tab2_1[s];//a=0輸出19941002
  188.                 }
  189.                 else if(a==1){
  190.                         temp=tab2_2[s];//a=1輸18450087636
  191.                 }
  192.                 else if(a==2){
  193.                         temp=tab2_3[s];//a=2輸出0123456789
  194.                 }
  195.                 Write_data(temp); //查表格
  196.                 s++;
  197.        
  198. }
  199.                    }
  200. void display2(uint opt,uint line,uint list,uchar a,uchar s){        //漢字顯示程序
  201.         uint i;
  202.         uchar temp;
  203.         Chip_select(opt);
  204.         s=s*32;   //每32個字符為一組
  205.         Write_inst(0xb8+line*2);
  206.         Write_inst(0x40+list*16);
  207.         for(i=0;i<16;i++){
  208.                 if(a==0)     {//簡單漢字顯示程序
  209.                         temp=tab1[s];
  210.                 }
  211.                 Write_data(temp); //查表格
  212.                 s++;
  213.         }
  214.         Write_inst(0xb8+line*2+1); //下半頁
  215.         Delay(100);
  216.         Write_inst(0x40+list*16);  //一次掃描16列
  217.         for(i=0;i<16;i++)  {     
  218.         if(a==0)     {//簡單漢字顯示程序
  219.                         temp=tab1[s];
  220.                 }
  221.                 Write_data(temp); //查表格
  222.                 s++;
  223.         }
  224. }
  225. void Read_data(uchar dat)
  226. {
  227.         Check_busy();
  228.         RS=1;
  229.         RW=1;
  230.         E=1;
  231.         P0=dat;
  232.         E=0;
  233. }
  234. void clear_screen()
  235. {
  236.      uint i,j;
  237.          Chip_select(0);
  238.          for(i=0xb8;i<0xc0;i++){
  239.          Write_inst(i);
  240.          Write_inst(0x40);
  241.          for(j=0;j<64;j++)
  242.          {
  243.             Write_data(0);
  244.                 }
  245.         }
  246. }
  247. void Init_lcd()
  248. {
  249.         Write_inst (0x3f);
  250.         Delay(4);
  251.         Write_inst (0xc0);
  252.         Delay(10);
  253.         Write_inst (0xb8);
  254.         Delay(10);
  255.         Write_inst (0x40);
  256.         Delay(10);
  257. }
  258. void main(){

  260.                 while(1)  {


  263. if(K0==0){Init_lcd();
  264. clear_screen();}
  265. if(K1==0){        Init_lcd();
  266.         clear_screen();
  267.   
  268.   
  269. for(n=0;n<4;n++){ display2(1,0,n,0,n);
  270.         display2(2,0,n,0,4+n);         }          

  272. for(n=0;n<8;n++){ display1(1,2,n,0,n);
  273.         display1(2,2,n,0,8+n);         }

  275. for(n=0;n<8;n++){ display1(1,4,n,1,n);
  276.         display1(2,4,n,1,8+n);         }
  277. for(n=0;n<8;n++){ display1(1,6,n,2,n);
  278.         display1(2,6,n,2,8+n);         }

  280.         Init_lcd();
  281. /*        display2(1,1,0,0,0);          
  282.         display2(1,1,1,0,1);
  283.         display2(1,2,2,0,2);       
  284.         display2(1,2,3,0,3);       
  285.         display2(1,2,4,0,4);
  286.         display2(1,2,5,0,5);
  287.         display2(1,2,6,0,6);
  288.         display2(1,2,7,0,7);        */

  290.         }

  292.          }          }               
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