tlc0832.lst

通过adc0809采集电压

C51 COMPILER V7.50   TLC0832                                                               07/01/2008 16:21:29 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE TLC0832
OBJECT MODULE PLACED IN TLC0832.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE TLC0832.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.H>
   2          #include "Typedef.H"
   3          #include "UserDef.H"
   4          #include "TLC0832.H"
   5          
   6          /*  端口定义 */
   7          sbit adccs = P3^6 ;
   8          sbit adcclk = P1^5 ;
   9          sbit adcdi = P1^6 ;
  10          sbit adcdo = P1^7 ;
  11          
  12          /***************************************
  13                           延时函数
  14          ****************************************/
  15          static void delay1(INT8U x)   
  16                  {   
  17   1          INT8U i; 
  18   1          for(i=0;i<x;i++); 
  19   1              }
  20          
  21          /***************************************
  22                   时钟信号函数
  23          ****************************************/
  24          static void adcck(void) 
  25                  { 
  26   1          adcclk=1; delay1(2); 
  27   1          adcclk=0; delay1(2); 
  28   1              }
  29          
  30          /***************************************
  31                  AD转换函数
  32          ****************************************/
  33          INT8U TLC0832(void)
  34                  {
  35   1              INT8U i;
  36   1          INT8U ch = 0;
  37   1      
  38   1              adccs=0;           /* 片选信号为0                       */
  39   1              adcck(); adcdi=1;  /* 启动A/D信号                       */
  40   1              adcck(); adcdi=1;  /* SGL=1                             */
  41   1              adcck(); adcdi=0;  /* ODD=0,单极性，选中通道0           */
  42   1              adcck();           /* 延时一个时钟期，产生一个时钟信号  */
  43   1              for (;adcdo==1;) adcck();
  44   1              for (i=0; i<8; i++) 
  45   1                      {
  46   2                      adcck();  /*产生时钟信号*/
  47   2              ch=(ch<<1)|adcdo;  /*接收TLC0832输出的转换结果*/
  48   2              }
  49   1              adccs=1;           /*片选信号置1*/
  50   1              return(ch);
  51   1              }
  52          


MODULE INFORMATION:   STATIC OVERLAYABLE
C51 COMPILER V7.50   TLC0832                                                               07/01/2008 16:21:29 PAGE 2   

   CODE SIZE        =     76    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)