blinky.lst

购买C8051F系列新华龙单片机开发板上给的资料

C51 COMPILER V8.02   BLINKY                                                                10/12/2007 11:27:01 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE BLINKY
OBJECT MODULE PLACED IN blinky.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\c51.exe blinky.c DB OE SRC

line level    source

   1          
   2          //------------------------------------------------------------------------------------
   3          // Blinky.c
   4          //------------------------------------------------------------------------------------
   5          // Copyright (C) 2005 Silicon Laboratories, Inc.
   6          //
   7          // AUTH: BD
   8          // DATE: 15 MAR 2002
   9          //
  10          // This program flashes the green LED on the C8051F040 target board about five times
  11          // a second using the interrupt handler for Timer3.
  12          // Target: C8051F04x
  13          //
  14          // Tool chain: KEIL Eval 'c'
  15          //
  16          
  17          //------------------------------------------------------------------------------------
  18          // Includes
  19          //------------------------------------------------------------------------------------
  20          #include <c8051f040.h>                    // SFR declarations
  21          
  22          //-----------------------------------------------------------------------------
  23          // 16-bit SFR Definitions for 'F04x
  24          //-----------------------------------------------------------------------------
  25          
  26          sfr16 RCAP3    = 0xCA;                 // Timer3 reload value
  27          sfr16 TMR3     = 0xCC;                 // Timer3 counter
  28          
  29          //------------------------------------------------------------------------------------
  30          // Global CONSTANTS
  31          //------------------------------------------------------------------------------------
  32          
  33          #define SYSCLK 3062500                    // approximate SYSCLK frequency in Hz
  34          
  35          sbit  LED = P1^6;                         // green LED: '1' = ON; '0' = OFF
  36          
  37          //------------------------------------------------------------------------------------
  38          // Function PROTOTYPES
  39          //------------------------------------------------------------------------------------
  40          void PORT_Init (void);
  41          void Timer3_Init (int counts);
  42          void Timer3_ISR (void);
  43          
  44          //------------------------------------------------------------------------------------
  45          // MAIN Routine
  46          //------------------------------------------------------------------------------------
  47          void main (void) {
  48   1      
  49   1         // disable watchdog timer
  50   1         WDTCN = 0xde;
  51   1         WDTCN = 0xad;
  52   1      
  53   1         SFRPAGE = CONFIG_PAGE;                 // Switch to configuration page
  54   1         PORT_Init ();
  55   1      
C51 COMPILER V8.02   BLINKY                                                                10/12/2007 11:27:01 PAGE 2   

  56   1         SFRPAGE = TMR3_PAGE;                   // Switch to Timer 3 page
  57   1         Timer3_Init (SYSCLK / 12 / 10);        // Init Timer3 to generate interrupts
  58   1                                                // at a 10 Hz rate.
  59   1         EA = 1;                                                                                      // enable global interrupts
  60   1         #pragma asm
  61   1          mov acc,#00h
  62   1        #pragma endasm
  63   1      
  64   1         SFRPAGE = LEGACY_PAGE;                 // Page to sit in for now
  65   1      
  66   1         while (1) {                            // spin forever
  67   2      
  68   2         }
  69   1      }
  70          
  71          //------------------------------------------------------------------------------------
  72          // PORT_Init
  73          //------------------------------------------------------------------------------------
  74          //
  75          // Configure the Crossbar and GPIO ports
  76          //
  77          void PORT_Init (void)
  78          {
  79   1         XBR2    = 0x40;                     // Enable crossbar and weak pull-ups
  80   1         P1MDOUT |= 0x40;                    // enable P1.6 (LED) as push-pull output
  81   1      }
  82          
  83          //------------------------------------------------------------------------------------
  84          // Timer3_Init
  85          //------------------------------------------------------------------------------------
  86          //
  87          // Configure Timer3 to auto-reload and generate an interrupt at interval
  88          // specified by <counts> using SYSCLK/12 as its time base.
  89          //
  90          //
  91          void Timer3_Init (int counts)
  92          {
  93   1         TMR3CN = 0x00;                      // Stop Timer3; Clear TF3;
  94   1                                             // use SYSCLK/12 as timebase
  95   1         RCAP3   = -counts;                  // Init reload values
  96   1         TMR3    = 0xffff;                   // set to reload immediately
  97   1         EIE2   |= 0x01;                     // enable Timer3 interrupts
  98   1         TR3 = 1;                            // start Timer3
  99   1      }
 100          
 101          //------------------------------------------------------------------------------------
 102          // Interrupt Service Routines
 103          //------------------------------------------------------------------------------------
 104          
 105          //------------------------------------------------------------------------------------
 106          // Timer3_ISR
 107          //------------------------------------------------------------------------------------
 108          // This routine changes the state of the LED whenever Timer3 overflows.
 109          //
 110          // NOTE: The SFRPAGE register will automatically be switched to the Timer 3 Page
 111          // When an interrupt occurs.  SFRPAGE will return to its previous setting on exit
 112          // from this routine.
 113          //
 114          void Timer3_ISR (void) interrupt 14
 115          {
 116   1         TF3 = 0;                               // clear TF3
 117   1         LED = ~LED;                            // change state of LED
C51 COMPILER V8.02   BLINKY                                                                10/12/2007 11:27:01 PAGE 3   

 118   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     68    ----
   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)