C51 COMPILER V7.04   ADCPIN                                                                09/30/2003 10:52:02 PAGE 1   


C51 COMPILER V7.04, COMPILATION OF MODULE ADCPIN
OBJECT MODULE PLACED IN ADCPIN.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ADCPIN.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*;********************************************************************
   2          ;
   3          ; Author        : ADI - Apps            www.analog.com/MicroConverter
   4          ;
   5          ; Date          : October 2003
   6          ;
   7          ; File          : ADCpin.asm
   8          ;
   9          ; Hardware      : ADuC842
  10          ;
  11          ; Description   : Performs hardware pin driven ADC conversions and
  12          ;                 outputs results on UART.  Continuously flashes
  13          ;                 LED (independently of ADC routine) at approximately
  14          ;                 5Hz (assuming an 2.097152 MHz Mclk).
  15          ;               
  16          ;*********************************************************************/
  17          
  18          #include<stdio.h>
  19          #include<aduc842.h>
  20          void DELAY(int);                // function prototype
  21          
  22          void adc_int() interrupt 6{
  23   1              printf("%02BX%02BX\n",ADCDATAH,ADCDATAL);
  24   1              return;
  25   1                                }
  26          
  27          
  28          sbit LED = 0x0B4;               // P3.4
  29          
  30          void main(void)
  31          {
  32   1      int CHAN = 0;
  33   1      
  34   1      /*set up UART */
  35   1      T3CON = 0x083;
  36   1      T3FD = 0x02D;
  37   1      SCON   = 0x052;
  38   1      
  39   1      /*PRECONFIGURE...*/
  40   1      
  41   1      ADCCON1 = 0x080;                // power up ADC
  42   1      ADCCON2 = CHAN;                 // select channel to convert
  43   1      
  44   1      /*LAUNCH CONTINUOUS CONVERSIONS...*/
  45   1      
  46   1      EA = 1;                         // enable interrupts
  47   1      EADC = 1;                       // enable ADC interrupt
  48   1      ADCCON1 |= 0x01;                // enable hardware CONVST pin
  49   1      
  50   1      /*CONTINUE WITH OTHER CODE...*/
  51   1      
  52   1      for(;;)
  53   1      {
  54   2      LED ^= 1;
  55   2      DELAY(17000);
C51 COMPILER V7.04   ADCPIN                                                                09/30/2003 10:52:02 PAGE 2   

  56   2      }
  57   1      
  58   1      /*
  59   1       the micro is free to continue with other tasks (flashing the LED in
  60   1       this case) while the ADC is converting, synchronously to the
  61   1       external CONVST pin.  results are being handled by the ADC
  62   1       interrupt service routine.*/
  63   1      }
  64          
  65          void DELAY(int length)
  66          {
  67   1      while (length >=0)
  68   1          length--;
  69   1      }
  70          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    123    ----
   CONSTANT SIZE    =     12    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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