单片机+74LS595+74HC154六字点阵屏幕Proteus仿真程序

6个16*16的点阵 显示6个汉字 仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）


单片机源程序如下:

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]={
   
7. 
   
8. 
   
9. 
   
10. 
    
11. 
    
12. 
    
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},/*"无",0*/
    
15. /* (16 X 16 , 宋体 )*/
    
16. 
    
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},/*"忧",1*/
    
19. /* (16 X 16 , 宋体 )*/
    
20. 
    
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},/*"电",2*/
    
23. /* (16 X 16 , 宋体 )*/
    
24. 
    
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 , 宋体 )*/
    
28. 
    
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},/*"购",4*/
    
31. /* (16 X 16 , 宋体 )*/
    
32. 
    
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 , 宋体 )*/
    
36. 
    
37. 
    
38. 
    
39. };
    
40. 
    
41. 
    
42. void del(int i)//============================//延时程序
    
43. {while(i--);}
    
44. 
    
45. aline()        ////=======================发送一行的显示程序
    
46. {
    
47. char i=0;
    
48. TI=0;
    
49. for(i=0;i<12;i++)
    
50. {SBUF=cashe[i];while(~TI);TI=0;} //将缓存中的信息转存入595的存储器中，到此不显示
    
51. }
    
52. 
    
53. 
    
54. 
    
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  循环16次显示这16行  串行的595送出行的数据
    
64.         {                                        //由74hc154选中要显示的行
    
65. 
    
66.         for(n=0;n<12;n++)         //这个for循环用来向缓存数组中装载要显示的内容
    
67.                 {cashe[11-n]=wd[n][m];}  //将第m个字的第n行信息装载  ，因为595串接 数据第一个进去的会在最后一个595中，最后进去的会在第一个595中
    
68.     aline();     //将缓存中的一行信息载入595缓存中
    
69.         ST=0;ST=1; //595产生上升沿 输出595锁存的数据
    
70.         P2=m;  //选中要显示的行输出数据
    
71.       
    
72.         del(100);//延时一段时间，以造成视觉暂存效应
    
73. 
    
74.           }
    
75. 
    
76. }
    

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