leddisplay.lst

这是一个用于视频切换的控制程序,采用AT89C51芯片,KEIL 51开发

C51 COMPILER V7.01  LEDDISPLAY                                                             10/15/2004 15:20:38 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE LEDDISPLAY
OBJECT MODULE PLACED IN leddisplay.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE leddisplay.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "reg52.h"
   2          #include "main.h"
   3          
   4          extern void delay1ms(unsigned char count);
   5          extern bit fgledflash; 
   6          extern unsigned int ledflash_counter;
   7          
   8          
   9          void leddisplay(unsigned char ledbuf_h,unsigned char ledbuf_l)
  10          
  11          {
  12   1      // P2=0;
  13   1       if(!fgledflash)
  14   1      {
  15   2       P2=ledbuf_l & 0x0f;
  16   2       LED_L=0;
  17   2       LED_H=1;
  18   2       delay1ms(3);
  19   2      
  20   2       P2=ledbuf_h & 0x0f;
  21   2       LED_L=1;
  22   2       LED_H=0;
  23   2       delay1ms(3);
  24   2      }
  25   1      else
  26   1      {
  27   2       if(ledflash_counter<150)
  28   2       {
  29   3       ledflash_counter++;
  30   3       delay1ms(3);
  31   3       LED_L=1;
  32   3       LED_H=1;
  33   3       }
  34   2      
  35   2       else if(150<=ledflash_counter && ledflash_counter<350)
  36   2       {
  37   3       ledflash_counter++;
  38   3       P2=ledbuf_l & 0x0f;
  39   3       LED_L=0;
  40   3       LED_H=1;
  41   3       delay1ms(3);
  42   3      
  43   3       P2=ledbuf_h & 0x0f;
  44   3       LED_L=1;
  45   3       LED_H=0;
  46   3       delay1ms(3);
  47   3       }
  48   2      
  49   2       else
  50   2       ledflash_counter=0;
  51   2       
  52   2       }
  53   1       
  54   1      } 

C51 COMPILER V7.01  LEDDISPLAY                                                             10/15/2004 15:20:38 PAGE 2   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    103    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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