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»论坛 › 嵌入式/单片机论坛 › 24小时必答区 › 51单片机LCD12864汉字显示屏 无法显示 求帮助
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51单片机LCD12864汉字显示屏 无法显示 求帮助

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ID:816683 发表于 2021-3-28 16:16 | 显示全部楼层 |阅读模式
想加按键控制文字显示、滚动、切换等，小白求指点
仿真.PNG
  1. #include <reg51.h>
  2. #define  uchar  unsigned char
  3. #define  uint  unsigned int
  4. #define LCDLCDDisp_Off   0x3e
  5. #define LCDLCDDisp_On    0x3f
  6. #define Page_Add     0xb8
  7. #define LCDCol_Add     0x40
  8. #define Start_Line     0xC0

  10. #define data_ora P0
  11. sbit LCDMcs=P2^4 ;   
  12. sbit LCDScs=P2^3 ;   
  13. sbit LCDDi=P2^2 ;     
  14. sbit LCDRW=P2^1 ;     
  15. sbit LCDEnable=P2^0 ;     

  17. sbit key1=P2^5;
  18. sbit key2=P2^6;
  19. sbit key3=P2^7;

  21. uchar code hz1[]=
  22. {

  24.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  25.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  26.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  27.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  28.       
  29.       
  30. 0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,
  31.       0x48,0x48,0x48,0xFC,0x08,0x00,0x00,0x00,
  32.       0x00,0x07,0x02,0x02,0x02,0x02,0x3F,0x42,
  33.       0x42,0x42,0x42,0x47,0x40,0x70,0x00,0x00,

  35. 0x80,0x80,0x82,0x82,0x82,0x82,0x82,0xE2,
  36.       0xA2,0x92,0x8A,0x86,0x80,0xC0,0x80,0x00,
  37.       0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,
  38.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  40. 0x24,0x24,0x24,0xA4,0xFE,0xA3,0x22,0x00,
  41.       0x24,0x48,0x00,0xFF,0x00,0x80,0x00,0x00,
  42.       0x10,0x08,0x06,0x01,0xFF,0x00,0x01,0x02,
  43.       0x02,0x02,0x02,0xFF,0x01,0x01,0x01,0x00,

  45. 0x10,0x10,0x10,0xFF,0x10,0x10,0x88,0x88,
  46.       0x88,0xFF,0x88,0x88,0x8C,0x08,0x00,0x00,
  47.       0x04,0x44,0x82,0x7F,0x01,0x80,0x81,0x46,
  48.       0x28,0x10,0x28,0x26,0x41,0xC0,0x40,0x00,

  50. 0x20,0x20,0x20,0x20,0x20,0x20,0xA0,0x7F,
  51.       0xA0,0x20,0x20,0x20,0x20,0x30,0x20,0x00,
  52.       0x00,0x40,0x40,0x20,0x10,0x0C,0x03,0x00,
  53.       0x01,0x06,0x08,0x10,0x20,0x60,0x20,0x00,

  55. 0x40,0x30,0x11,0x96,0x90,0x90,0x91,0x96,
  56.       0x90,0x90,0x98,0x14,0x13,0x50,0x30,0x00,
  57.       0x04,0x04,0x04,0x04,0x04,0x44,0x84,0x7E,
  58.       0x06,0x05,0x04,0x04,0x04,0x06,0x04,0x00,
  59.                        
  60.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  61.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  62.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  63.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  64.       
  65. };
  66. uchar code hz2[]=
  67. {
  68.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  69.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  70.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  71.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  73. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  74.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  75.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  76.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  77.       
  78.       
  79. 0x00,0xF8,0x08,0x08,0x08,0x08,0x08,0xFF,
  80.       0x08,0x08,0x08,0x08,0x08,0xFC,0x08,0x00,
  81.       0x00,0x03,0x01,0x01,0x01,0x01,0x01,0xFF,
  82.       0x01,0x01,0x01,0x01,0x01,0x03,0x00,0x00,

  84. 0x00,0xF0,0x00,0x00,0x00,0x00,0x00,0xFF,
  85.       0x00,0x00,0x00,0x00,0x00,0xF0,0x00,0x00,
  86.       0x00,0x7F,0x20,0x20,0x20,0x20,0x20,0x3F,
  87.       0x20,0x20,0x20,0x20,0x20,0x7F,0x00,0x00,
  88.       
  89.       
  90. 0x40,0x30,0x11,0x96,0x90,0x90,0x91,0x96,
  91.       0x90,0x90,0x98,0x14,0x13,0x50,0x30,0x00,
  92.       0x04,0x04,0x04,0x04,0x04,0x44,0x84,0x7E,
  93.       0x06,0x05,0x04,0x04,0x04,0x06,0x04,0x00,


  96. 0x00,0xFE,0x22,0x5A,0x96,0x0C,0x24,0x24,
  97.       0x25,0x26,0x24,0x34,0xA4,0x14,0x0C,0x00,
  98.       0x00,0xFF,0x04,0x08,0x87,0x81,0x41,0x31,
  99.       0x0F,0x01,0x3F,0x41,0x41,0x41,0x70,0x00,

  101.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  102.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  103.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  104.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  106. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  107.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  108.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  109.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  111. };
  112. uchar code hz3[]=
  113. {
  114.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  115.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  116.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  117.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  119.       
  120. 0x20,0x20,0x24,0xA4,0xA4,0xBF,0xA4,0xE4,
  121.       0xA4,0xBF,0xA4,0xE6,0xA4,0x30,0x20,0x00,
  122.       0x00,0x80,0x80,0x5F,0x4A,0x2A,0x0A,0x0F,
  123.       0x0A,0x2A,0x2A,0x4F,0x40,0x80,0x00,0x00,
  124.       
  125.       
  126. 0x00,0xFC,0x04,0x04,0xFE,0x04,0x00,0xE2,
  127.       0x2C,0x20,0x3F,0x20,0x28,0xF6,0x20,0x00,
  128.       0x00,0x1F,0x08,0x08,0x1F,0x00,0x00,0xFF,
  129.       0x09,0x09,0x09,0x49,0x89,0x7F,0x00,0x00,

  131.       
  132.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  133.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  134.       0x00,0x00,0x04,0x0C,0x18,0x38,0x38,0x30,
  135.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  136.                        
  137.                         0x02,0xE2,0x22,0x22,0x3F,0x82,0x80,0xFF,
  138.       0x80,0xA0,0x90,0x88,0x86,0xC0,0x80,0x00,
  139.       0x00,0x43,0x82,0x42,0x3E,0x00,0x00,0xFF,
  140.       0x40,0x23,0x0C,0x10,0x20,0x60,0x20,0x00,
  141.                        
  142.                         0x10,0x22,0x64,0x0C,0xC0,0x44,0x54,0x54,
  143.       0x54,0x7F,0x54,0x54,0xD6,0x44,0x40,0x00,
  144.       0x04,0x04,0xFE,0x01,0x00,0x00,0xFF,0x15,
  145.       0x15,0x15,0x55,0x95,0x7F,0x01,0x00,0x00,
  146.                        
  147.                         0x10,0x0C,0x04,0x55,0xD5,0x55,0x05,0x7F,
  148.       0x05,0x55,0xD5,0x55,0x04,0x14,0x0C,0x00,
  149.       0x00,0x22,0x12,0x0A,0xFF,0x0A,0x12,0x20,
  150.       0x12,0x0A,0xFF,0x0A,0x13,0x32,0x10,0x00,

  152.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  153.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  154.   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  155.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

  157.       
  158. };
  159. uchar code hz4[]=
  160. {

  162. 0x00,0x00,0xF8,0x49,0x4A,0x4C,0x48,0xF8,
  163.       0x48,0x4C,0x4A,0x49,0xFC,0x08,0x00,0x00,
  164.       0x10,0x10,0x17,0x12,0x12,0x12,0x12,0xFF,
  165.       0x12,0x12,0x12,0x12,0x13,0x18,0x10,0x00,

  167. 0x00,0x00,0xFE,0x20,0x20,0x20,0x20,0x20,
  168.       0x3F,0x20,0x20,0x20,0x20,0x30,0x20,0x00,
  169.       0x80,0x40,0x3F,0x01,0x01,0x01,0x01,0x01,
  170.       0x01,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,

  172. 0x10,0x10,0xD0,0xFF,0x90,0x10,0x00,0xFC,
  173.       0x04,0x04,0x04,0xFE,0x04,0x00,0x00,0x00,
  174.       0x04,0x03,0x00,0xFF,0x80,0x41,0x20,0x1F,
  175.       0x00,0x00,0x00,0x3F,0x40,0x40,0x70,0x00,

  177. 0x00,0x00,0x00,0xFE,0x92,0x92,0x92,0x92,
  178.       0x92,0x92,0x92,0xFF,0x02,0x00,0x00,0x00,
  179.       0x40,0x42,0x44,0x4D,0x40,0x7F,0x40,0x40,
  180.       0x40,0x7F,0x40,0x49,0x44,0x66,0x40,0x00,

  182. 0x40,0x40,0x42,0x42,0x42,0x42,0x42,0xC2,
  183.       0x42,0x42,0x42,0x43,0x42,0x60,0x40,0x00,
  184.       0x00,0x10,0x08,0x04,0x06,0x40,0x80,0x7F,
  185.       0x00,0x00,0x02,0x04,0x0C,0x18,0x00,0x00,

  187. 0x00,0x00,0xFE,0x12,0x92,0x92,0xB2,0xD2,
  188.       0x92,0xD2,0xB2,0x92,0xDF,0x82,0x00,0x00,
  189.       0x40,0x20,0x1F,0x04,0x84,0x44,0x3F,0x04,
  190.       0x04,0x04,0xFF,0x04,0x04,0x06,0x04,0x00,

  192. 0x40,0x40,0x42,0xCC,0x00,0x40,0xA0,0x9F,
  193.       0x81,0x81,0x81,0x9F,0xA0,0x20,0x20,0x00,
  194.       0x00,0x00,0x00,0x7F,0xA0,0x90,0x40,0x43,
  195.       0x2C,0x10,0x28,0x26,0x41,0xC0,0x40,0x00,

  197. 0x40,0x40,0x42,0xCC,0x00,0x40,0x40,0x40,
  198.       0x40,0xFF,0x40,0x40,0x40,0x60,0x40,0x00,
  199.       0x00,0x00,0x00,0x7F,0x20,0x10,0x08,0x00,
  200.       0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
  201. };

  203. void LCDdelay(uchar x)
  204. {


  207.    int d;
  208.    uchar y;
  209.    for(y=0;y<x;y++)
  210.    for(d=0;d<10;d++);
  211. }

  213. void CheckState()               
  214. {
  215.    uchar dat,DATA;
  216.    LCDDi=0;
  217.    LCDRW=1;
  218.    do
  219.    {
  220.       DATA=0x00;
  221.       LCDEnable=1;        
  222.           LCDdelay(1);
  223.           dat=DATA;
  224.       LCDEnable=0;
  225.       dat=0x80 & dat;
  226.     }
  227.     while(!(dat==0x00));
  228. }

  230. void write_com(uchar cmdcode)
  231. {
  232.     CheckState();
  233.         LCDDi=0;
  234.         LCDRW=0;
  235.         P1=cmdcode;               
  236.         LCDdelay(1);
  237.         LCDEnable=1;
  238.         LCDdelay(1);
  239.         LCDEnable=0;
  240. }


  243. void write_data(uchar LCDDispdata)
  244. {
  245.     CheckState();
  246.         LCDDi=1;
  247.         LCDRW=0;
  248.         P1=LCDDispdata;
  249.         LCDdelay(1);
  250.         LCDEnable=1;
  251.         LCDdelay(1);
  252.         LCDEnable=0;
  253. }

  255. void init_lcd()
  256. {
  257.         LCDdelay(1);      
  258.         LCDMcs=1;
  259.         LCDScs=1;
  260.         LCDdelay(1);
  261.         write_com(LCDLCDDisp_Off);         
  262.         write_com(Page_Add+0);
  263.         write_com(Start_Line+0);
  264.         write_com(LCDCol_Add+0);
  265.         write_com(LCDLCDDisp_On);
  266. }

  268. void Clr_Scr()
  269. {
  270.         uchar j,k;
  271.         LCDMcs=0;
  272.         LCDScs=0;
  273.         write_com(Page_Add+0);
  274.         write_com(LCDCol_Add+0);
  275.         for(k=0;k<8;k++)
  276.         {
  277.                 write_com(Page_Add+k);
  278.                   for(j=0;j<64;j++)  
  279.                 {
  280.                       write_com(LCDCol_Add+j);
  281.                         write_data(0x00);
  282.                 }
  283.         }
  284. }

  286. Disp(uchar page,uchar column, uchar code *word)
  287. {
  288. uchar i;
  289. //×ó
  290. LCDMcs=0;
  291. LCDScs=1;
  292. //é?°?
  293. write_com(0xb8|page);
  294. write_com(0x40|column);
  295. for(i=0;i<16;i++)
  296. write_data(word[i]);
  297. for(i=32;i<48;i++)
  298. write_data(word[i]);
  299. for(i=64;i<80;i++)
  300. write_data(word[i]);
  301. for(i=96;i<112;i++)
  302. write_data(word[i]);
  303. //??°?
  304. write_com(0xb8|page+1);
  305. write_com(0x40|column);
  306. for(i=16;i<32;i++)
  307. write_data(word[i]);
  308. for(i=48;i<64;i++)
  309. write_data(word[i]);
  310. for(i=80;i<96;i++)
  311. write_data(word[i]);
  312. for(i=112;i<128;i++)
  313. write_data(word[i]);
  314. //óò
  315. LCDMcs=1;
  316. LCDScs=0;
  317. //é?°?
  318. write_com(0xb8|page);
  319. write_com(0x40);
  320. for(i=128;i<144;i++)
  321. write_data(word[i]);
  322. for(i=160;i<176;i++)
  323. write_data(word[i]);
  324. for(i=192;i<208;i++)
  325. write_data(word[i]);
  326. for(i=224;i<240;i++)
  327. write_data(word[i]);
  328. //??°?
  329. write_com(0xb8|page+1);
  330. write_com(0x40);
  331. for(i=144;i<160;i++)
  332. write_data(word[i]);
  333. for(i=176;i<192;i++)
  334. write_data(word[i]);
  335. for(i=208;i<224;i++)
  336. write_data(word[i]);
  337. for(i=240;i<250;i++)
  338. write_data(word[i]);
  339. }

  341. void main()
  342. {
  343. uint k=0;
  344.         init_lcd();
  345.         Clr_Scr();
  346.      k=0;
  347.       for(k=0xc0;k<0xff;k++)
  348.         {
  349.                  Disp(0,0,hz1);
  350.                  Disp(2,0,hz2);
  351.                  Disp(4,0,hz3);
  352.                  Disp(6,0,hz4);
  353.          LCDMcs=0;
  354.          LCDScs=0;
  355.                  write_com(k);
  356.                  LCDdelay(2);

  358.         }
  359. while(1)
  360.     {

  362.         }
  363. }

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ID:584814 发表于 2021-3-29 17:34 | 显示全部楼层
本坛找个现成时钟的先读懂，然后就全知道了，然后不断试直到明白了......
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ID:738987 发表于 2021-3-29 20:43 | 显示全部楼层
先找一个例程，然后再对比看问题
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ID:294296 发表于 2021-3-31 00:27 | 显示全部楼层
数据接在P1脚，这里10.#define data_ora P0的P0不对吧！
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ID:824490 发表于 2021-3-31 10:40 | 显示全部楼层
其实，我就想问问，你这代码编译通过了吗？
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ID:824490 发表于 2021-3-31 10:43 | 显示全部楼层
CheckState() 这个函数，是判断LCD的BUSY吗？
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ID:134581 发表于 2021-3-31 11:08 | 显示全部楼层
先删除多余代码，能显示东西出来
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