led_flash.lst

Embedded C 这本书的范例光碟程式

C51 COMPILER V7.07   LED_FLASH                                                             06/16/2006 15:36:38 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE LED_FLASH
OBJECT MODULE PLACED IN LED_flash.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LED_flash.c OPTIMIZE(6,SPEED) BROWSE DEBUG OBJECTEXTEND TABS(3)

stmt level    source

   1          /*
   2            LED_flash.C (v1.00)
   3            Simple 'Flash LED' test function.
   4          */
   5          
   6          #include "Main.H"
   7          #include "Port.H"
   8          
   9          #include "LED_flash.H"
  10          
  11          // ------ Private variable definitions -----------------------------
  12          
  13          static bit LED_state_G;
  14          
  15          /*
  16            LED_FLASH_Init()
  17            Prepare for LED_Change_State() function - see below.
  18          */
  19          void LED_FLASH_Init(void)
  20          {
  21   1         LED_state_G = 0;
  22   1      }
  23          
  24          /*
  25            LED_FLASH_Change_State()
  26            Changes the state of an LED (or pulses a buzzer, etc) on a 
  27            specified port pin.
  28            Must call at twice the required flash rate: thus, for 1 Hz
  29            flash (on for 0.5 seconds, off for 0.5 seconds) must call
  30            every 0.5 seconds.
  31          */
  32          void LED_FLASH_Change_State(void)
  33          {
  34   1         // Change the LED from OFF to ON (or vice versa)
  35   1         if (LED_state_G == 1)
  36   1         {
  37   2            LED_state_G = 0;
  38   2            LED_pin = 0;
  39   2         }
  40   1         else
  41   1         {
  42   2            LED_state_G = 1;
  43   2            LED_pin = 1;
  44   2            }
  45   1      }
  46          
  47          /*------------------------------------------------------------------*-
  48            ---- END OF FILE -------------------------------------------------
  49          -*------------------------------------------------------------------*/


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     16    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V7.07   LED_FLASH                                                             06/16/2006 15:36:38 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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