adccont.lst

ADuC841中的AD与DA转换的相关例子的源程序

C51 COMPILER V7.04   ADCCONT                                                               10/30/2003 10:55:51 PAGE 1   


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

stmt level    source

   1          /* Author        : ADI - Apps            www.analog.com/MicroConverter
   2          
   3           Date          : October 2003
   4          
   5           File          : ADCcont.c
   6          
   7           Hardware      : ADuC841
   8          
   9           Description   : Performs ADC conversions in continuous mode at a
  10                           rate of 17KSPS (assuming an 11.0592 Mclk).
  11                           Outputs ADC results via UART.  Continuously
  12                           flashes LED.
  13                           All rate calculations assume an 11.0592MHz Mclk. */
  14          
  15          #include<stdio.h>
  16          #include<aduc841.h>
  17          
  18          sbit LED = 0x0B4;
  19          
  20          void adc_int() interrupt 6{
  21   1              printf("%02BX%02BX\n",ADCDATAH,ADCDATAL);
  22   1              return;
  23   1                                }
  24          
  25          void DELAY(int length);
  26                                    
  27          
  28          void main(void)
  29          
  30          {
  31   1      int CHAN = 0;
  32   1      
  33   1      T3CON=0x086;
  34   1      T3FD= 0x08;
  35   1      SCON   = 0x052;
  36   1      
  37   1      
  38   1      
  39   1      /* PRECONFIGURE... */
  40   1      
  41   1      ADCCON1 = 0x08C;      // power up ADC /32 + 4 acq clock
  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      CCONV = 1;            // begin continuous conversions
  49   1      
  50   1      /* CONTINUE WITH OTHER CODE... */
  51   1              
  52   1      for (;;)
  53   1              {
  54   2              DELAY(2);
  55   2              LED ^= 1;             // blink (complement) the LED
C51 COMPILER V7.04   ADCCONT                                                               10/30/2003 10:55:51 PAGE 2   

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


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    122    ----
   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)