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標題: 單片機+LCD12864數字電壓表設計 含源代碼、proteus仿真工程文件 [打印本頁]
作者: CC123123123    時間: 2020-11-3 20:18
標題: 單片機+LCD12864數字電壓表設計 含源代碼、proteus仿真工程文件
附件包括數字電壓表的單片機源代碼
proteus仿真工程文件
都是自己在網上找的資料，請大家多多指教

仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）


單片機源程序如下:
  1. //---庫函數聲明及相關定義---//
  2. #include <reg51.h>
  3. #include <intrins.h>
  4. #define unint unsigned int
  5. #define unchar unsigned char
  6. #define Databus P1 /*液晶數據總線*/
  7. sbit RS=P3^3;      /*數據\指令 選擇*/
  8. sbit RW=P3^4;      /*讀\寫 選擇*/
  9. sbit EN=P3^2;      /*讀\寫使能*/
  10. sbit cs1=P3^6;     /*片選1*/
  11. sbit cs2=P3^7;     /*片選2*/


  14. sbit clock=P0^4;//時鐘線
  15. sbit dout=P0^2;//數據輸出端
  16. sbit cs=P0^3;//片選（低電平有效）


  19. sbit        DQ=P0^2;//ds18b20與單片機連接口
  20. float f_temp;//浮點型溫度值   
  21. unsigned int tvalue;//溫度值
  22. unsigned char tflag;      
  23. unsigned int temp=0;
  24. unsigned char SegBuf[4]={0};

  26. /********************************/
  27. /* 定義中文字庫    */
  28. /********************************/
  29. unchar code Hzk[]={
  30.         0x40,0x20,0x10,0x0C,0xE3,0x22,0x22,0x22,0xFE,0x22,0x22,0x22,0x22,0x02,0x00,0x00, //年//0
  31.         0x04,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x00,
  32.         0x00,0x00,0x00,0x00,0x00,0xFF,0x11,0x11,0x11,0x11,0x11,0xFF,0x00,0x00,0x00,0x00,//月//1
  33.         0x00,0x40,0x20,0x10,0x0C,0x03,0x01,0x01,0x01,0x21,0x41,0x3F,0x00,0x00,0x00,0x00,
  34.         0x00,0x00,0x00,0xFE,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0xFE,0x00,0x00,0x00,0x00,//日//2
  35.         0x00,0x00,0x00,0x3F,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x3F,0x00,0x00,0x00,0x00,
  36.         0x00,0x00,0x00,0xBE,0x2A,0x2A,0x2A,0xEA,0x2A,0x2A,0x2A,0x2A,0x3E,0x00,0x00,0x00,//星//3
  37.         0x00,0x48,0x46,0x41,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x49,0x49,0x41,0x40,0x00,
  38.         0x00,0x04,0xFF,0x54,0x54,0x54,0xFF,0x04,0x00,0xFE,0x22,0x22,0x22,0xFE,0x00,0x00,//期//4
  39.         0x42,0x22,0x1B,0x02,0x02,0x0A,0x33,0x62,0x18,0x07,0x02,0x22,0x42,0x3F,0x00,0x00,
  40.         0x00,0xFC,0x44,0x44,0x44,0xFC,0x10,0x90,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x00,//時//5
  41.         0x00,0x07,0x04,0x04,0x04,0x07,0x00,0x00,0x03,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,
  42.         0x80,0x40,0x20,0x98,0x87,0x82,0x80,0x80,0x83,0x84,0x98,0x30,0x60,0xC0,0x40,0x00,//分//6
  43.         0x00,0x80,0x40,0x20,0x10,0x0F,0x00,0x00,0x20,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,
  44.         0x12,0x12,0xD2,0xFE,0x91,0x11,0xC0,0x38,0x10,0x00,0xFF,0x00,0x08,0x10,0x60,0x00,//秒//7
  45.         0x04,0x03,0x00,0xFF,0x00,0x83,0x80,0x40,0x40,0x20,0x23,0x10,0x08,0x04,0x03,0x00,

  47. 0x00,0x40,0x42,0x42,0x42,0x42,0x42,0xFE,0x42,0x42,0x42,0x42,0x42,0x42,0x40,0x00,//天//8
  48. 0x00,0x80,0x40,0x20,0x10,0x08,0x06,0x01,0x02,0x04,0x08,0x10,0x30,0x60,0x20,0x00,
  49. 0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,//一//9
  50. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  51. 0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x06,0x04,0x00,0x00,0x00,//二//10
  52. 0x00,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x18,0x10,0x00,
  53. 0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00,//三//11
  54. 0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,
  55. 0x00,0xFE,0x02,0x02,0x02,0xFE,0x02,0x02,0xFE,0x02,0x02,0x02,0x02,0xFE,0x00,0x00,//四//12
  56. 0x00,0x7F,0x28,0x24,0x23,0x20,0x20,0x20,0x21,0x22,0x22,0x22,0x22,0x7F,0x00,0x00,
  57. 0x00,0x02,0x82,0x82,0x82,0x82,0xFE,0x82,0x82,0x82,0xC2,0x82,0x02,0x00,0x00,0x00,//五//13
  58. 0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x30,0x20,0x00,
  59. 0x10,0x10,0x10,0x10,0x10,0x91,0x12,0x1E,0x94,0x10,0x10,0x10,0x10,0x10,0x10,0x00,//六//14
  60. 0x00,0x40,0x20,0x10,0x0C,0x03,0x01,0x00,0x00,0x01,0x02,0x0C,0x78,0x30,0x00,0x00,

  62. 0x00,0x40,0x42,0x44,0x4C,0x40,0x40,0x7F,
  63.       0x40,0x40,0x48,0x44,0xE6,0x40,0x00,0x00,
  64.       0x00,0x40,0x44,0x44,0x44,0x44,0x44,0x44,
  65.       0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,//當//15

  67. 0x08,0x08,0xE8,0x29,0x2A,0x2E,0xE8,0x08,
  68.       0x08,0xCC,0x0A,0x0B,0xE8,0x0C,0x08,0x00,
  69.       0x00,0x00,0xFF,0x09,0x49,0x89,0x7F,0x00,
  70.       0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,0x00,//前//16

  72. 0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,//電//17
  73.       0x48,0x48,0x48,0xFC,0x08,0x00,0x00,0x00,
  74.       0x00,0x07,0x02,0x02,0x02,0x02,0x3F,0x42,
  75.       0x42,0x42,0x42,0x47,0x40,0x70,0x00,0x00,

  77. 0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,
  78.       0xFE,0x82,0x82,0x82,0xC3,0x82,0x00,0x00,
  79.       0x40,0x30,0x0F,0x40,0x40,0x40,0x40,0x40,
  80.       0x7F,0x40,0x42,0x44,0x4C,0x60,0x40,0x00,//壓//18


  83. 0x00,0x00,0x00,0x00,0x7F,0x49,0x49,0x49,
  84.       0x49,0x49,0x7F,0x00,0x00,0x80,0x00,0x00,
  85.       0x01,0x81,0x41,0x21,0x1D,0x21,0x41,0x7F,
  86.       0x89,0x89,0x8D,0x89,0x81,0xC1,0x41,0x00,//是//19

  88. 0x00,0x00,0x00,0x00,0x80,0xC0,0xC0,0x80,
  89.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  90.       0x00,0x00,0x00,0x00,0x31,0x7B,0x7B,0x31,
  91.       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//://20

  93. 0x80,0x40,0x20,0xF8,0x27,0x20,0x20,0x20,//伏//21
  94.       0x20,0xFF,0x20,0x24,0x28,0x38,0x20,0x00,
  95.       0x00,0x00,0x00,0xFF,0x80,0x40,0x20,0x18,
  96.       0x06,0x01,0x06,0x18,0x60,0xC0,0x40,0x00


  99.                          };
  100. /****************************************/
  101. /* 定義ASCII字庫8列*16行    */
  102. /****************************************/
  103. unchar code Ezk[]={
  104. /*此字體下對應的點陣為：寬x高=8x16   --*/
  105. /*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16   --*/
  106.         0x00,0x00,0xF0,0xF8,0x08,0x68,0xF8,0xF0,0x00,0x00,0x07,0x0F,0x0B,0x08,0x0F,0x07, //0
  107.         0x00,0x20,0x20,0x30,0xF8,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x0F,0x00,0x00,  //1
  108.         0x00,0x30,0x38,0x08,0x88,0xF8,0x70,0x00,0x00,0x0C,0x0E,0x0B,0x09,0x08,0x08,0x00, //        2
  109.         0x00,0x30,0x38,0x88,0x88,0xF8,0x70,0x00,0x00,0x06,0x0E,0x08,0x08,0x0F,0x07,0x00, //3
  110.         0x00,0x00,0xF8,0xF8,0x00,0xE0,0xE0,0x00,0x00,0x03,0x03,0x02,0x02,0x0F,0x0F,0x02,//4
  111.         0x00,0xF8,0xF8,0x88,0x88,0x88,0x08,0x00,0x00,0x08,0x08,0x08,0x0C,0x07,0x03,0x00,//5
  112.         0x00,0xC0,0xE0,0x78,0x58,0xC8,0x80,0x00,0x00,0x07,0x0F,0x08,0x08,0x0F,0x07,0x00,//6
  113.         0x00,0x08,0x08,0x88,0xE8,0x78,0x18,0x00,0x00,0x00,0x0E,0x0F,0x01,0x00,0x00,0x00,//7
  114.         0x00,0x70,0xF8,0xC8,0x88,0xF8,0x70,0x00,0x00,0x07,0x0F,0x08,0x09,0x0F,0x07,0x00,//8
  115.         0x00,0xF0,0xF8,0x08,0x08,0xF8,0xF0,0x00,0x00,0x00,0x09,0x0D,0x0F,0x03,0x01,0x00,//9


  118.                 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  // - -//10
  119.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  120.         0x00,0x80,0x80,0xE0,0xE0,0x80,0x80,0x00,  // -+-//11
  121.         0x00,0x00,0x00,0x03,0x03,0x00,0x00,0x00,

  123.         0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,  // ---//12
  124.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  125.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,  // -.-//13
  126.         0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x00
  127. };



  131. /*狀態檢查，LCD是否忙*/
  132. void CheckState()   
  133. {
  134.    unchar dat;       /*狀態信息,判斷是否忙*/
  135.    RS=0;             /*數據\指令選擇，D/I（RS）=“L” ，表示 DB7∽DB0 為顯示指令數據*/
  136.    RW=1;             /*R/W=“H” ，E=“H”數據被讀到DB7∽DB0*/
  137.    do{
  138.       Databus=0x00;
  139.       EN=1;          /*EN下降源*/
  140.       _nop_();       /*一個時鐘延時*/
  141.       dat=Databus;
  142.       EN=0;
  143.       dat=0x80 & dat;/*僅當第7位為0時才可操作(判別busy信號)*/
  144.       }while(!(dat==0x00));
  145. }
  146. /*寫命令到LCD中*/
  147. SendCommandToLCD(unchar com)
  148. {
  149.    CheckState();/*狀態檢查，LCD是否忙*/
  150.    RS=0;        /*向LCD發送命令。RS=0寫指令，RS=1寫數據*/
  151.    RW=0;        /*R/W=“L” ，E=“H→L”數據被寫到 IR 或 DR */
  152.    Databus=com; /*com :命令*/
  153.    EN=1;        /*EN下降沿*/
  154.    _nop_();
  155.    _nop_();
  156.    EN=0;
  157. }
  158. /*設置頁 0xb8是頁的首地址*/
  159. void SetLine(unchar page)   
  160. {
  161.         page=0xb8|page; /*1011 1xxx 0<=page<=7 設定頁地址--X 0-7,8行為一頁64/8=8，共8頁*/
  162.         SendCommandToLCD(page);
  163. }
  164. /*設定顯示開始行，0xc0是行的首地址*/
  165. void SetStartLine(unchar startline)        
  166. {
  167.         startline=0xc0|startline;    /*1100 0000*/
  168.         SendCommandToLCD(startline); /*設置從哪行開始：0--63，一般從0 行開始顯示*/
  169. }
  170. /*設定列地址--Y 0-63 ，0x40是列的首地址*/
  171. void SetColumn(unchar column)   
  172. {
  173.         column=column &0x3f; /*column最大值為64，越出 0=<column<=63*/
  174.         column= 0x40|column; /*01xx xxxx*/
  175.         SendCommandToLCD(column);
  176. }
  177. /*開關顯示，0x3f是開顯示，0x3e是關顯示*/
  178. void SetOnOff(unchar onoff)   
  179. {
  180.     onoff=0x3e|onoff; /*0011 111x,onoff只能為0或者1*/
  181.     SendCommandToLCD(onoff);
  182. }


  185. /*寫顯示數據 */
  186. void WriteByte(unchar dat)
  187. {
  188.    CheckState();/*狀態檢查，LCD是否忙*/
  189.    RS=1;        /*RS=0寫指令，RS=1寫數據*/
  190.    RW=0;        /*R/W=“L” ，E=“H→L”數據被寫到 IR 或 DR */
  191.    Databus=dat;    /*dat:顯示數據*/
  192.    EN=1;        /*EN下降沿*/
  193.    _nop_();
  194.    _nop_();
  195.    EN=0;
  196. }
  197. /*選擇屏幕screen: 0-全屏,1-左屏,2-右屏*/
  198. void SelectScreen(unchar screen)      
  199. {               
  200.    switch(screen)
  201.    {
  202.      case 0: cs1=0;/*全屏*/
  203.              _nop_(); _nop_(); _nop_();
  204.              cs2=0;
  205.              _nop_(); _nop_(); _nop_();
  206.              break;
  207.      case 1: cs1=0;/*左屏*/
  208.              _nop_(); _nop_(); _nop_();
  209.              cs2=1;
  210.              _nop_(); _nop_(); _nop_();
  211.              break;
  212.      case 2: cs1=1;/*右屏*/
  213.              _nop_(); _nop_(); _nop_();
  214.              cs2=0;
  215.              _nop_(); _nop_(); _nop_();
  216.              break;
  217.    }
  218. }
  219. /*清屏screen: 0-全屏,1-左屏,2-右*/
  220. void ClearScreen(unchar screen)   
  221. {   
  222.         unchar i,j;
  223.         SelectScreen(screen);   
  224.         for(i=0;i<8;i++)          /*控制頁數0-7，共8頁*/
  225.         {
  226.                 SetLine(i);
  227.                 SetColumn(0);
  228.                 for(j=0;j<64;j++)    /*控制列數0-63，共64列*/
  229.                 {
  230.                 WriteByte(0x00); /*寫點內容，列地址自動加1*/
  231.                 }
  232.         }            
  233. }

  235. /*初始化LCD*/
  236. void InitLCD()   
  237. {
  238.     CheckState();
  239.     SelectScreen(0);
  240.     SetOnOff(0);    /*關顯示*/
  241.     SelectScreen(0);
  242.     SetOnOff(1);    /*開顯示*/
  243.     SelectScreen(0);
  244.     ClearScreen(0); /*清屏*/
  245.     SetStartLine(0);/*開始行:0*/
  246. }
  247. /*--------------------------顯示全角漢字-----------------------*/
  248. /*選屏參數，pagr選頁參數，column選列參數，number選第幾漢字輸出*/
  249. /*ss=1右屏2左屏，pagr=0，2，4，6第0~3行，column=0~3漢子出現的列，number選第幾漢字輸出*/
  250. void Display(unchar ss,unchar page,unchar column,unchar number)
  251. {
  252.     unchar i;  
  253.     SelectScreen(ss);
  254.     column=column&0x3f;
  255.     SetLine(page);     /*寫上半頁*/
  256.     SetColumn(column); /*控制列*/
  257.     for(i=0;i<16;i++) /*控制16列的數據輸出*/
  258.     {
  259.         WriteByte(Hzk[i+32*number]);/*i+32*number漢字的前16個數據輸出*/
  260.     }
  261.     SetLine(page+1);   /*寫下半頁*/
  262.     SetColumn(column); /*控制列*/
  263.     for(i=0;i<16;i++) /*控制16列的數據輸出*/
  264.     {
  265.         WriteByte(Hzk[i+32*number+16]);/*i+32*number+16漢字的后16個數據輸出*/
  266.     }
  267. }
  268. /*---------------------顯示半角漢字和數字和字母----------------------*/
  269. /*選屏參數，pagr選頁參數，column選列參數，number選第幾漢字輸出*/
  270. void Displayen(unchar ss,unchar page,unchar column,unchar number)
  271. {
  272.     unchar i;
  273.     SelectScreen(ss);
  274.     column=column&0x3f;
  275.     SetLine(page);   /*寫上半頁*/
  276.     SetColumn(column);
  277.     for(i=0;i<8;i++)
  278.     {
  279.         WriteByte(Ezk[i+16*number]);
  280.     }
  281.     SetLine(page+1); /*寫下半頁*/
  282.     SetColumn(column);
  283.     for(i=0;i<8;i++)
  284.     {
  285.         WriteByte(Ezk[i+16*number+8]);
  286.     }
  287. }
  288. //---顯示緩沖填充函數---//*
  289. void convert(unint n)         
  290. {
  291.         n=n*100;
  292.         n=n/51;
  293.         SegBuf[2] =n%10;
  294.         SegBuf[1] =n/10%10;
  295.         SegBuf[0] =n/100%10;


  298. }
  299. //---549延時函數---//
  300. void delay549(unint t)
  301. {   
  302.         while(t--);
  303. }
  304. //---采集549數據函數---//
  305. unchar read_549()//數據得采集
  306. {
  307.         unint i;
  308.         unchar k=0x00;//定義一個變量k，將在dout上采集的到的數據裝進K
  309.         for(i=0;i<8;i++)
  310.         {
  311.                 k<<=1;//左移一位
  312.                 k|=dout;
  313.                 clock=1;//高電平期間采集dout線上的數據
  314.                 _nop_();
  315.                 clock=0;
  316.                 delay549(10);
  317.         }
  318.         return k;//返回值
  319. }

  321. //---讀取549AD數據函數---//
  322. unchar shuchu_549()//數據得讀取
  323. {
  324.         unchar date;
  325.         cs=1;   
  326.         clock=1;
  327.         cs=0;//片選低電平時數據有效
  328.         _nop_();
  329.         _nop_();
  330.         date=read_549();//將read_549（）函數中采集到的數據付給變量date
  331.         cs=1;//片選拉高，表示數據讀取完畢
  332.         delay549(50);
  333.         return date;//返回值
  334. }
  335. /*主函數*/
  336. void main()
  337. {
  338.         unchar ADCDat;
  339.     InitLCD();      /*初始12864*/
  340.     ClearScreen(0); /*清屏*/
  341.     SetStartLine(0);/*顯示開始行*/


  344.     while(1)
  345.     {  
  346.          ADCDat=shuchu_549();
  347.         convert(ADCDat);        //轉換顯示碼

  349.         Display(2,0,0*16,15);//當
  350.         Display(2,0,1*16,16);//前
  351.         Display(2,0,2*16,17);//電
  352.         Display(2,0,3*16,18);//壓
  353.         Display(1,0,0*16,19);//是
  354.         Display(1,0,1*16,20);//:

  356.         Displayen(2,2,0*8,SegBuf[0]);
  357.         Displayen(2,2,1*8,13);               
  358.         Displayen(2,2,2*8,SegBuf[1]);

  360.         Displayen(2,2,3*8,SegBuf[2]);


  363.         Display(2,2,2*16,21);//伏


  366.     }
  367. }
復制代碼

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附件不小心被刪除了,大家自己畫一下圖吧,有畫好的朋友,歡迎回帖點高級模式上傳附件分享下.


作者: songxia8013    時間: 2020-11-3 20:31
樓主的數字秒表，怎么液晶顯示的電壓值呢？？
作者: CC123123123    時間: 2020-11-3 20:39
songxia8013 發表于 2020-11-3 20:31
樓主的數字秒表，怎么液晶顯示的電壓值呢？？

標題錯了，是數字電壓表設計
作者: CC123123123    時間: 2020-11-3 20:39
標題錯了 是數字電壓表
作者: cheney03    時間: 2020-11-5 09:10
附件跟程序也不對啊，牛頭不對馬嘴
作者: HWL0541    時間: 2020-11-5 09:27
樓主附件發錯了吧
作者: QEQWE123    時間: 2020-11-12 17:20
不對啊
作者: 2163422542    時間: 2020-12-6 14:52
附件怎么不對，




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