p87lpc769_ad.lst

Philips系列单片机P87LPC769_AD .c

C51 COMPILER V7.09   P87LPC769_AD                                                          11/29/2007 15:41:53 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE P87LPC769_AD
OBJECT MODULE PLACED IN P87LPC769_AD.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil\C51\BIN\C51.EXE P87LPC769_AD.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //Philips P87LPC767/768/769 A/D Example Program
   2          
   3          #include <REG767.H>
   4          #include <stdio.h>
   5          
   6          #define VREF    5                                 /* Voltage Reference */
   7          
   8          
   9          void main (void)
  10          {
  11   1      
  12   1      /* Disable Digital Output and Input */
  13   1      PT0AD =  0x78;            /* Disable Digital Inputs on A/D input pins   */
  14   1      P0M1 =  0x87;                           /* Disable Digital Outputs on A/D input pins  */
  15   1      
  16   1      /* Init ADC      */
  17   1      ENADC = 1;                                      /* Enable ADC                                 */
  18   1      RCCLK = 0;                                /* Use CPU clock as A/D clock                 */ 
  19   1      
  20   1      /* initialize the serial interface */
  21   1      SCON  = 0x50;                           /* SCON: mode 1, 8-bit UART, enable rcvr      */ 
  22   1      TMOD |= 0x20;                     /* TMOD: timer 1, mode 2, 8-bit reload        */
  23   1      TH1  =  0xFB;                           /* TH1: reload value for 19200 baud           */
  24   1      TR1   = 1;                                /* TR1: timer 1 run                           */
  25   1      TI    = 1;                                /* TI: set TI to send first char of UART      */
  26   1      
  27   1      /* Perform conversions forever */
  28   1      while (1){
  29   2        
  30   2        WDRST = 0x1E;                       /* Reset Watchdog Timer                       */
  31   2        WDRST = 0xE1;                   /* Reset Watchdog Timer                       */                                                                                                                                         
  32   2        ADCI = 0;               /* Clear conversion status                    */
  33   2        ADCS = 1;               /* Start conversion                           */
  34   2      
  35   2        while (ADCI == 0);      /* Wait for conversion                        */
  36   2      
  37   2      /* Read A/D data and print it out */
  38   2        printf ("DAC0 Value %4u = %01u.%04u Volts\r",
  39   2               (unsigned) DAC0,
  40   2               (unsigned) (DAC0 * VREF) >> 8,                          /* Output Integer Portion */
  41   2               (unsigned) ((DAC0 * VREF * 10000UL) >> 8UL) % 10000);   /* Output Decimal Portion */
  42   2       
  43   2      
  44   2        }                                                                                     
  45   1      }
  46          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    106    ----
   CONSTANT SIZE    =     34    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V7.09   P87LPC769_AD                                                          11/29/2007 15:41:53 PAGE 2   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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