标题: 1602 LCD字符液晶小小迎宾程序 [打印本页]

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作者: 兴仔    时间: 2019-6-9 14:28
标题: 1602 LCD字符液晶小小迎宾程序

1. #include<reg51.h>
   
2. #include<string.h>
   
3. #define uchar unsigned char
   
4. #define uint unsigned int
   
5. void Initialize_LCD();
   
6. void DelayMS(uint ms);
   
7. void ShowString(uchar,uchar,uchar *);
   
8. sbit K1=P3^2;
   
9. uchar const Line_Count=2;
   
10. uchar code Msg[][80]={
    
11. "welcome to HeiLongJiang polytechnic!",
    
12. "2015-2-3 9:09:09",
    
13. };
    
14. uchar Disp_Buffer[32];
    
15. void H_Scroll_Display()
    
16. {
    
17. uchar i,j;
    
18. uchar *p=Msg[0];
    
19. uchar *q=Msg[0]+strlen(Msg[0]);
    
20. for(i=0;i<16;i++)Disp_Buffer[ i]=' ';
    
21. while(p<q)
    
22. {
    
23. if((i==16||i==31)&&*p==' ')p++;
    
24. for(i=16;i<32&&p<q;i++)
    
25.   {
    
26.   if(*p!='\0')
    
27.   {
    
28.   Disp_Buffer[ i]=*p++;
    
29.   }
    
30. else
    
31. break;
    
32.   }
    
33.    for(j=i;j<32;j++)Disp_Buffer[j]=' ';
    
34.    for(i=0;i<=16;i++)
    
35.     {
    
36. while(F0)DelayMS(100);
    
37. ShowString(0,0,Disp_Buffer+i);
    
38. while(F0)DelayMS(100);
    
39. DelayMS(200);
    
40.     }
    
41.         DelayMS(300);
    
42.   }
    
43. }
    
44. void EX_INT0() interrupt 0
    
45. {
    
46. F0=!F0;
    
47. }
    
48. void main()
    
49. {
    
50. uint Count=0;
    
51. IE=0x81;
    
52. IT0=1;
    
53. F0=0;
    
54. Initialize_LCD();
    
55. while(1)
    
56. {
    
57.   ShowString(0,1,Msg[1]);
    
58.   H_Scroll_Display();
    
59.   DelayMS(300);
    
60. }
    
61. }
    

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