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標題: 單片機+74LS595+74HC154六字點陣屏幕Proteus仿真程序 [打印本頁]
作者: 512-DZ    時間: 2021-7-6 08:49
標題: 單片機+74LS595+74HC154六字點陣屏幕Proteus仿真程序
6個16*16的點陣 顯示6個漢字 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. #include<AT89X52.H>
  2. sbit ST=P3^5;
  3. sbit E1=P3^4;
  4. sbit MR=P3^7;
  5. char cashe[12];
  6. char code wd[12][16]={






  13. {0xFF,0xC0,0xFE,0xFE,0xFE,0xFE,0x80,0xFE,0xFD,0xFD,0xFB,0xF7,0xEF,0xDF,0x3F,0xFF},
  14. {0xFF,0x03,0xFF,0xFF,0xFF,0xFF,0x01,0x7F,0x7F,0x7F,0x7F,0x7F,0x7D,0x7D,0x81,0xFF},/*"無",0*/
  15. /* (16 X 16 , 宋體 )*/

  17. {0xDF,0xDF,0xDF,0xCF,0x57,0x58,0x5F,0xDF,0xDE,0xDE,0xDE,0xDD,0xDD,0xDB,0xDB,0xD7},
  18. {0x7F,0x6F,0x73,0x77,0x7F,0x01,0x5F,0x5F,0xDF,0xDF,0xDF,0xDF,0xDD,0xDD,0xE1,0xFF},/*"憂",1*/
  19. /* (16 X 16 , 宋體 )*/

  21. {0xFE,0xFE,0xFE,0xC0,0xDE,0xDE,0xC0,0xDE,0xDE,0xDE,0xC0,0xDE,0xFE,0xFE,0xFF,0xFF},
  22. {0xFF,0xFF,0xFF,0x07,0xF7,0xF7,0x07,0xF7,0xF7,0xF7,0x07,0xF7,0xFD,0xFD,0x01,0xFF},/*"電",2*/
  23. /* (16 X 16 , 宋體 )*/

  25. {0xFF,0xC0,0xFF,0xFF,0xFF,0xFE,0xFE,0xFE,0x00,0xFE,0xFE,0xFE,0xFE,0xFE,0xFA,0xFD},
  26. {0xFF,0x0F,0xDF,0xBF,0x7F,0xFF,0xFF,0xFB,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},/*"子",3*/
  27. /* (16 X 16 , 宋體 )*/

  29. {0xFF,0x83,0xBB,0xAB,0xAA,0xAA,0xA9,0xAB,0xAB,0xAA,0xEE,0xD7,0xDB,0xBB,0x7F,0xFF},
  30. {0x7F,0x3F,0x7F,0x01,0xFD,0xFD,0xBD,0xBD,0x5D,0xED,0x05,0xED,0xFD,0xFD,0xEB,0xF7},/*"購",4*/
  31. /* (16 X 16 , 宋體 )*/

  33. {0xEF,0xEF,0xAF,0xAE,0x82,0xAD,0x6B,0xEB,0xE6,0xCD,0x2B,0xEF,0xEE,0xED,0xEB,0xFF},
  34. {0x7F,0x7F,0x7F,0x03,0xAB,0xAB,0x6B,0x6B,0xDB,0xDB,0xBB,0x7B,0xFB,0xFB,0xD7,0xEF},/*"物",5*/
  35. /* (16 X 16 , 宋體 )*/



  39. };


  42. void del(int i)//============================//延時程序
  43. {while(i--);}

  45. aline()        ////=======================發送一行的顯示程序
  46. {
  47. char i=0;
  48. TI=0;
  49. for(i=0;i<12;i++)
  50. {SBUF=cashe[i];while(~TI);TI=0;} //將緩存中的信息轉存入595的存儲器中，到此不顯示
  51. }



  55. main()
  56. {
  57. int m=0,n=0;
  58.         TI=0;
  59.         SM0=0;
  60.         SM1=0;
  61. E1=0;
  62. while(1)
  63. for(m=0;m<16;m++)      //共有16行  循環16次顯示這16行  串行的595送出行的數據
  64.         {                                        //由74hc154選中要顯示的行

  66.         for(n=0;n<12;n++)         //這個for循環用來向緩存數組中裝載要顯示的內容
  67.                 {cashe[11-n]=wd[n][m];}  //將第m個字的第n行信息裝載  ，因為595串接 數據第一個進去的會在最后一個595中，最后進去的會在第一個595中
  68.     aline();     //將緩存中的一行信息載入595緩存中
  69.         ST=0;ST=1; //595產生上升沿 輸出595鎖存的數據
  70.         P2=m;  //選中要顯示的行輸出數據
  71.       
  72.         del(100);//延時一段時間，以造成視覺暫存效應

  74.           }

  76. }
復制代碼

所有資料51hei提供下載:
四字點陣屏.rar (837.39 KB, 下載次數: 35)




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