标题: 四位数秒器陈序及电路图，有点简陋 [打印本页]

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作者: 醉孤辰    时间: 2017-4-25 20:03
标题: 四位数秒器陈序及电路图，有点简陋

1. #include<reg52.h>
   
2. #define uchar unsigned char
   
3. #define uint unsigned int
   
4. uchar code SegCode[]=
   
5. {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
   
6. uchar code BitCode[]={0xfe,0xfd,0xfb,0xf7};
   
7. uchar DispBuf[4];
   
8. uint Count;
   
9. void DelayMs(uchar n)
   
10. {
    
11. uchar j;
    
12. while(n--)
    
13. {
    
14. for(j=0;j<113;j++);
    
15. }}
    
16. void NumToBuf(void)
    
17. {
    
18. DispBuf[3]=Count/1000;
    
19. DispBuf[2]=Count/100%10;
    
20. DispBuf[1]=Count/10%10;
    
21. DispBuf[0]=Count%10;
    
22. }
    
23. void BufToSeg(void)
    
24. {
    
25. uchar i;
    
26. for(i=0;i<4;i++)
    
27. {
    
28. P0=SegCode[DispBuf[i]];
    
29. P2=BitCode[i];
    
30. DelayMs(2);
    
31. P2|=0x0F;
    
32. }}
    
33. void main(void)
    
34. {
    
35. uint k;
    
36. while(1)
    
37. {
    
38. if(++k==220)
    
39. {
    
40. k=0;
    
41. if(++Count==10000)Count=0;
    
42. }
    
43. NumToBuf();
    
44. BufToSeg();
    
45. }}

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