Linux编程实现蜂鸣器演奏康定情歌

Linux编程实现蜂鸣器演奏康定情歌

摘自：https://blog.csdn.net/jiazhen/article/details/3490979

 

2008年12月10日 15:40:00 jiazhengod 阅读数：1714 标签： linux编程delay

 

1. #include   <sys/io.h>
2. #include   <unistd.h>
3. void   play(unsigned   int*   freq,   unsigned   int*   delay);
4. main()
5. {
6. int   i;
7. unsigned   int   freq[]={   330   ,   392   ,   330   ,   294   ,   330   ,   392   ,
8. 330   ,   394   ,   330   ,   330   ,   392   ,   330   ,
9. 294   ,   262   ,   294   ,   330   ,   392   ,   294   ,
10. 262   ,   262   ,   220   ,   196   ,   196   ,   220   ,
11. 262   ,   294   ,   330   ,   262   ,   0   }   ;
12. unsigned   int   time[]={   50   ,   50   ,   50   ,   25   ,   25   ,   50   ,
13. 25   ,   25   ,   100,   50   ,   50   ,   25   ,
14. 25   ,   50   ,   50   ,   25   ,   25   ,   100,
15. 50   ,   25   ,   25   ,   50   ,   25   ,   25   ,
16. 50   ,   25   ,   25   ,   100   };
17. unsigned   int   freq2[]={
18. 196,262,262,262,330,294,262,294,330,294,262,
19. 330,394,440,440,394,330,330,262,294,262,294,
20. 330,294,262,230,230,196,262,440,394,330,330,
21. 262,294,262,294,440,394,330,330,394,440,523,
22. 394,330,330,262,294,262,294,330,294,262,230,
23. 230,196,262,440,394,330,330,262,294,262,294,
24. 440,394,330,330,394,440,523,394,330,330,262,
25. 294,262,294,330,294,262,230,230,196,262,0
26. };
27. unsigned   int   time2[]={
28. 25,38,12,25,25,38,12,25,12,12,56,25,25,50,25,
29. 38,12,12,12,38,12,25,12,12,38,12,25,25,100,25,
30. 38,12,12,12,38,12,25,25,38,12,25,25,100,25,38,
31. 12,12,12,38,12,25,12,12,38,12,25,25,100,25,38,
32. 12,12,12,38,12,25,25,38,12,25,25,100,25,38,12,
33. 12,12,38,12,25,12,12,38,12,25,25,100
34. };
35. unsigned   int   freq_alert[]={
36. 2000,   2400,   0
37. };
38. unsigned   int   time_alert[]={
39. 50,   60
40. };
41. for(i   =   0;   i   <   5;   i++)
42. {
43. play(freq_alert,   time_alert);
44. }
45. play(freq2,   time2);
46. }
47. void play(unsigned   int*   freq,   unsigned   int*   time)
48. {
49. int   i;
50. for(i=0;freq[i]!=0;i++)
51. {
52. speaker(freq[i],   time[i]);
53. }
54. }
55. int speaker(unsigned   int   freq,unsigned   int   delay)
56. {
57. static   int   flag=0,bit;
58. if(fl   ag==0)
59. {
60. flag=1;
61. iopl(3);
62. }
63. outb(0xb6,0x43);
64. outb((freq & 0xff),     0x42);
65. outb((freq>>8), 0x42);
66. bit=inb(0x61);
67. outb(3   |   bit,0x61);
68. usleep(10000*delay);
69. outb(0xfc   |   bit,0x61);
70. }