led_turnon.lst

EasyStudy51-II单片机开发系统的库函数源代码.包含了EasyStudy51-II硬件的全部驱动.

C51 COMPILER V7.06   LED_TURNON                                                            11/06/2008 01:10:09 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LED_TURNON
OBJECT MODULE PLACED IN Led_TurnON.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE c51\Led_TurnON.c INCDIR(.\Target\INC\) DEBUG OBJECTEXTEND PRINT(.\Led_TurnO
                    -N.lst) OBJECT(Led_TurnON.obj)

stmt level    source

   1          
   2          
   3          #include "AT89X52.h"
   4          #include "ES51_II.h"
   5          #include "ES51_II_LIB.h"
   6          
   7          //      根据索引值index点亮LED,不改变其他LED状态
   8          //      index:  范围1~8
   9          void TurnOnLED(unsigned char index)
  10          {
  11   1              unsigned char temp=0x01;
  12   1              if( (index < 9) && (index >0) )                         //      判断索引值是否在合法范围内
  13   1                      LEDPORT &= ~(temp<<(index-1));  
  14   1      }
  15          
  16          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     30    ----
   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)