标题: msp430单片机的内部ADC芯片驱动模块c语言程序 [打印本页]
作者: xueer    时间: 2013-7-14 16:20
标题: msp430单片机的内部ADC芯片驱动模块c语言程序
  1. //mod p5.3
  2. //wr p5.0
  3. //rd p5.1
  4. //ce p5.2
  5. #include "msp430x44x.h"
  6. #define uchar unsigned char
  7. #define uint unsigned int
  8. uint i=0;

  10. Out_com(uchar com)
  11. {P5OUT=0XF9;
  12. P1DIR=0x00;
  13. while((P1IN&0x03)!=0x03);
  14. P1DIR=0xff;
  15. P5OUT=0XFA;
  16. P1OUT=com;
  17. }

  19. Out_data(uchar dat)
  20. {P5OUT=0XF9;
  21. P1DIR=0x00;
  22. while((P1IN&0x03)!=0x03);
  23. P1DIR=0xff;
  24. P5OUT=0XF2;
  25. P1OUT=dat;
  26. }

  28. Out_data2_com(uchar dat1,uchar dat2,uchar com1)
  29. {Out_data(dat1);
  30. Out_data(dat2);
  31. Out_com(com1);
  32. }

  34. Chars_dis(uchar Line_num,uchar Rank_num,uchar *s)
  35. {uchar i;
  36. Out_data2_com(Line_num*16+Rank_num,0x00,0x24);
  37. Out_com(0xb0);
  38. for(i=0;s[i]!='\0';i++)
  39. Out_data(s[i]-0x20);
  40. Out_com(0xb2);
  41. }

  43. Chars_dic(uchar Line_num,uchar Rank_num,uint i)
  44. {uchar s[10]="0123456789";
  45. Out_data2_com(Line_num*16+Rank_num,0x00,0x24);
  46. Out_com(0xb0);
  47. Out_data(s[i/1000]-0x20);
  48. Out_data(s[i/100%10]-0x20);
  49. Out_data(s[i/10%10]-0x20);
  50. Out_data(s[i%10]-0x20);
  51. Out_com(0xb2);
  52. }

  54. Chars_dit(uchar Line_num,uchar Rank_num,uchar *s)
  55. {uchar m;
  56. for(m=0;m<32;m++)
  57.      {if(m%2==0)
  58.          {Out_com(0xb2);
  59.           Out_data2_com(2*Rank_num+16*m/2,0x04+Line_num,0x24);
  60.           Out_com(0xb0);
  61.           }
  62.       Out_data(s[m]);
  63.      }
  64. Out_com(0xb2);
  65. }

  67. Clear()
  68. {uint i;
  69. Out_data2_com(0x00,0x00,0x24);
  70. Out_com(0xb0);
  71. for(i=0;i<129;i++)
  72.     Out_data(0x00);
  73. Out_com(0xb2);
  74. Out_data2_com(0x00,0x04,0x24);
  75. Out_com(0xb0);
  76. for(i=0;i<1025;i++)
  77.     Out_data(0x00);
  78. Out_com(0xb2);
  79. }

  81. void main()
  82. {WDTCTL = WDTPW + WDTHOLD;
  83. P3OUT=0x00;
  84. P5DIR=0xff;
  85. Out_data2_com(0x00,0x00,0x40);
  86. Out_data2_com(0x10,0x00,0x41);
  87. Out_data2_com(0x00,0x04,0x42);
  88. Out_data2_com(0x10,0x00,0x43);
  89. Out_com(0x80);
  90. Out_com(0x9c);
  91. Clear();
  92. P6SEL|=0x07;
  93. ADC12CTL1=SHP+CONSEQ_1;
  94. ADC12MCTL0=INCH_0;
  95. ADC12MCTL1=INCH_1;
  96. ADC12MCTL2=INCH_2+EOS;
  97. ADC12CTL0=ADC12ON+ENC+MSC;
  98. while(1)
  99. {ADC12CTL0|=ADC12SC;
  100. while(~ADC12IFG & BIT2);
  101. Chars_dic(1,0,ADC12MEM0);
  102. Chars_dic(2,0,ADC12MEM1);
  103. Chars_dic(3,0,ADC12MEM2);
  104. }
  105. }
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