标题: 89C51单片机与DAC0832 输出正弦波，三角波，矩形波，锯齿波源程序 [打印本页]
作者: 范小爷    时间: 2021-11-4 23:27
标题: 89C51单片机与DAC0832 输出正弦波，三角波，矩形波，锯齿波源程序
proteus仿真电路：
输出波形：


源代码： PS：需要什么波就留什么波，把其他注释掉。你们也可以自己改一下，通过按键控制相应波形输出。谢谢
  1. //#include <reg51.h>
  2. //#include <absacc.h>
  3. //#define uint unsigned int
  4. //#define DAC0832 XBYTE[0xFEFF]
  5. //void main(void)
  6. //{
  7. //        uint i;
  8. //        while(1)
  9. //        {
  10. //                for(i=0;i<0x100;i++)
  11. //                {DAC0832=i;}
  12. //        }
  13. //}                             //锯齿波


  16. //#include <reg51.h>
  17. //#include <absacc.h>
  18. //#define uchar unsigned char
  19. //#define DAC0832 XBYTE[0xFEFF]
  20. //void main()
  21. //{
  22. //        uchar i;
  23. //        while(1)
  24. //        {
  25. //                for(i=0;i<0xff;i++)
  26. //                {DAC0832=i;}
  27. //                for(i=0xff;i>0;i--)
  28. //                {DAC0832=i;}
  29. //        }
  30. //}                           //三角波




  35. //#include <reg51.h>
  36. //#include <absacc.h>
  37. //#define uchar unsigned char
  38. //#define DAC0832 XBYTE[0xFEFF]
  39. //uchar code sinbuf[] =        
  40. //{
  41. //     0x80,0x83,0x86,0x89,0x8D,0x90,0x93,0x96,0x99,0x9C,0x9F,0xA2,0xA5,0xA8,0xAB,0xAE,
  42. //     0xB1,0xB4,0xB7,0xBA,0xBC,0xBF,0xC2,0xC5,0xC7,0xCA,0xCC,0xCF,0xD1,0xD4,0xD6,0xD8,
  43. //     0xDA,0xDD,0xDF,0xE1,0xE3,0xE5,0xE7,0xE9,0xEA,0xEC,0xEE,0xEF,0xF1,0xF2,0xF4,0xF5,
  44. //     0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFD,0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
  45. //     0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFD,0xFD,0xFC,0xFB,0xFA,0xF9,0xF8,0xF7,0xF6,
  46. //     0xF5,0xF4,0xF2,0xF1,0xEF,0xEE,0xEC,0xEA,0xE9,0xE7,0xE5,0xE3,0xE1,0xDF,0xDD,0xDA,
  47. //     0xD8,0xD6,0xD4,0xD1,0xCF,0xCC,0xCA,0xC7,0xC5,0xC2,0xBF,0xBC,0xBA,0xB7,0xB4,0xB1,
  48. //     0xAE,0xAB,0xA8,0xA5,0xA2,0x9F,0x9C,0x99,0x96,0x93,0x90,0x8D,0x89,0x86,0x83,0x80,
  49. //     0x80,0x7C,0x79,0x76,0x72,0x6F,0x6C,0x69,0x66,0x63,0x60,0x5D,0x5A,0x57,0x55,0x51,
  50. //     0x4E,0x4C,0x48,0x45,0x43,0x40,0x3D,0x3A,0x38,0x35,0x33,0x30,0x2E,0x2B,0x29,0x27,
  51. //     0x25,0x22,0x20,0x1E,0x1C,0x1A,0x18,0x16,0x15,0x13,0x11,0x10,0x0E,0x0D,0x0B,0x0A,
  52. //     0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
  53. //     0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
  54. //     0x0A,0x0B,0x0D,0x0E,0x10,0x11,0x13,0x15,0x16,0x18,0x1A,0x1C,0x1E,0x20,0x22,0x25,
  55. //     0x27,0x29,0x2B,0x2E,0x30,0x33,0x35,0x38,0x3A,0x3D,0x40,0x43,0x45,0x48,0x4C,0x4E,
  56. //     0x51,0x55,0x57,0x5A,0x5D,0x60,0x63,0x66,0x69,0x6C,0x6F,0x72,0x76,0x79,0x7C,0x7E
  57. //};
  58. //void main()
  59. //{
  60. //        uchar i;
  61. //        while(1)
  62. //        {
  63. //                for(i=0;i<=0xff;i++)
  64. //                DAC0832=sinbuf[i];
  65. //        }
  66. //}                                     //正弦波





  72. #include <reg51.h>
  73. #include <absacc.h>
  74. #define uchar unsigned char
  75. #define DAC0832 XBYTE[0xFEFF]
  76. void delay()
  77. {
  78.         uchar i;
  79.         for(i=0;i<0xff;i++)
  80.         {;}
  81. }                                 
  82. void main()
  83. {
  84.         uchar i;
  85.         while(1)
  86.         {
  87.                 DAC0832=0;
  88.                 delay();
  89.                 DAC0832=0xff;
  90.                 delay();
  91.         }
  92. }                                     //方波
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