ad1.lst

最新单片机1211的源程序代码

C51 COMPILER V7.50   AD1                                                                   08/18/2006 11:05:49 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE AD1
OBJECT MODULE PLACED IN AD1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE AD1.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*------------------------------------------------------------------------------
   2          AD_Interrupt.C:  MSC 1210 A/D Conversion for 1 input signals (-2.5V ... +2.5V)
   3                           Inputs pairs  AIN0-AIN1  read in an interrupt service routine
   4          Copyright 2003 Keil Software, Inc.
   5          ------------------------------------------------------------------------------*/
   6          
   7          #include <REG1210.H>
   8          #include <stdio.h>
   9          #include "ISD51.H"
  10          
  11          #ifndef XTAL                        // if no XTAL defined use:
  12            #define XTAL  11059200            // XTAL frequency 11.0592 MHz
  13          #endif
  14          
  15          
  16          
  17          sbit RedLed    = P2^4; 
  18          sbit YellowLed = P2^5;
  19          
  20          
  21          
  22          // defines for UART BAUDRATE
  23          #define BAUDRATE          9600      // 9600bps communication baudrate
  24          #define T2RELOAD   (65536-(XTAL/32/BAUDRATE))
  25          
  26          // defines for A/D Converter setup
  27          #define A_CLK      (((XTAL+500000)/1000000)-1) // about 1MHz Analog Clock
  28          #define ANA_CLK    (XTAL/(A_CLK+1))            // precise Analog Clock
  29          #define DECIMATION (ANA_CLK/64/10)             // 10 Hz Decimation
  30          #define CONV_FREQ  (ANA_CLK/64/DECIMATION)     // Conversion Frequency
  31          
  32          // defines for conversion to Volts
  33          #define VBIT  (2.5 / 0x800000)      // 0x800000 represents 2.5 Volts
  34          
  35          // Helper structure to read in ADC values
  36          static union  {
  37            unsigned char  c[4];              // bytes
  38            signed   int   i[2];              // signed words
  39            signed   long  l;                 // signed long
  40          } res;
  41          
  42          
  43          /*static bit  Second_Interrupt;
  44          
  45          static void AUXinterrupts (void) interrupt 6  {
  46            unsigned char x;
  47          
  48            switch (PAI)     {
  49              case 6:                        // A/D interrupt
  50                res.c[3] = ADRESL;
  51                res.c[2] = ADRESM;
  52                res.i[0] = (char) ADRESH;    // make sign extension
  53                break;
  54          
  55              case 8:                        // Second Interrupt
C51 COMPILER V7.50   AD1                                                                   08/18/2006 11:05:49 PAGE 2   

  56                x = SECINT;                  // Dummy Read to Clear SEC Interrupt
  57                Second_Interrupt = 1;
  58                break;
  59            }
  60            AI = 0;                          // Clear AI before returning
  61          }                                */
  62          
  63            
  64            
  65            void delay(void) {
  66   1        long i;
  67   1      
  68   1        i = 0x1000;
  69   1        while(i--);
  70   1      }
  71          
  72          
  73          
  74          void main(void)  {
  75   1        T2CON   = 0x34;        // Use Timer 2 as baudrate generator
  76   1        RCAP2H  = 0xFF;
  77   1        RCAP2H  = (T2RELOAD >> 8);    // baudrate reload factor
  78   1        RCAP2L  = T2RELOAD;
  79   1      
  80   1        SCON0   = 0x50;        // enable serial uart & receiver
  81   1        PCON   |= 0x80;        // double baudrate for UART0
  82   1        P3DDRL &= 0xF0;        // P3DDRL set port pins of UART0 to input/strong drive output
  83   1        P3DDRL |= 0x07;        // P3DDRL set port pins of UART0 to input/strong drive output 
  84   1      
  85   1      
  86   1        USEC   = ((XTAL+500000)/1000000)-1; // USEC timer factor
  87   1        ONEMS  = (XTAL/1000)-1;             // (MSECH+MSCL) MS Timer counting at 1.0ms
  88   1      
  89   1        HMSEC  = 100-1;         // Hundred MS Timer to 100.0ms
  90   1        SECINT = (10-1) | 0x80; // SECINT= 10 * HMS Timer Rate = 1 sec
  91   1                                // '0x80' will set the MSB for write immediate
  92   1        MSINT  = (10-1) | 0x80; // MSINT = 10ms for Tone period time base
  93   1        PDCON  = 0x1D;          // Powerup SysTimer
  94   1      
  95   1        FTCON  = 0xA5;          // setup flash programming times
  96   1      
  97   1        EICON  = 0x40;          //DIS enable all auxiliary interrupts
  98   1      
  99   1        EA = 1;                 //DIS Enable global interrupt flag
 100   1      
 101   1      
 102   1       ISDwait ();              // wait for connection to uVision2 Debugger
 103   1      
 104   1        PDCON  = 0x15;                      // ON -> ADC-Vref, SPI Systimers. OFF -> PWM, Watchdog
 105   1        EA     = 1;                         // Enable global interrupt flag
 106   1      
 107   1      
 108   1      
 109   1      // Setup ADC
 110   1        ADCON0 = 0x30;                    // Vref On, Vref Hi, Buff off, BOD off, PGA
 111   1        ACLK   = A_CLK;                   // set ACLK factor for about 1MHz
 112   1      
 113   1        ADCON2 = DECIMATION & 0xFF;       // LSB of decimation
 114   1        ADCON3 =(DECIMATION>>8) & 0x07;   // MSB of decimation
 115   1        ADCON1 = 0x01;                    // bipolar, auto, self calibration (offset, gain)
 116   1      
 117   1        ADMUX = 0x68;                     // AINP = AIN0, AINN = AIN1
C51 COMPILER V7.50   AD1                                                                   08/18/2006 11:05:49 PAGE 3   

 118   1        AIE    = 0x00;                    // Enable the A/D Interrupt
 119   1        EAI    = 0;                       // Enable Auxiliary interrupts
 120   1      
 121   1        printf("\nInput -2.5V to +2.5V on AIN1-AIN2 channel pair\n\n");
 122   1      
 123   1      while (1)  {   
 124   2          RedLed = !RedLed;  // toggle red LED
 125   2              delay();
 126   2              delay();
 127   2              while((AIE&0x20) != 0x20) ;
 128   2               res.c[3] = ADRESL;
 129   2           res.c[2] = ADRESM;
 130   2           res.i[0] = (char) ADRESH;    // make sign extension
 131   2               YellowLed = !YellowLed;
 132   2               
 133   2                                // Repeat Output Forever
 134   2            printf ("%+7.5f Volts\r", res.l * VBIT); 
 135   2        }
 136   1      
 137   1      
 138   1      /*  while (1)  {   
 139   1          RedLed = !RedLed;  // toggle red LED
 140   1              delay();
 141   1              delay();
 142   1              delay();
 143   1      
 144   1              YellowLed = !YellowLed;
 145   1              
 146   1          delay();
 147   1              delay();
 148   1      
 149   1                                // Repeat Output Forever
 150   1          while (!Second_Interrupt)  {    // Wait for Second Interrupt
 151   1      #ifndef ISD51
 152   1            PCON |= 1;                    // Put into Idle Mode
 153   1      #endif
 154   1          }
 155   1          Second_Interrupt = 0;                  
 156   1          printf ("%+7.5f Volts\r", res.l * VBIT);
 157   1        }      */
 158   1      
 159   1      }
 160          
 161          
 162          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    202    ----
   CONSTANT SIZE    =     64    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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