hal.lst

usb_232（仅枚举）

C51 COMPILER V7.01  HAL                                                                    11/14/2003 09:44:52 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE HAL
OBJECT MODULE PLACED IN HAL.OBJ
COMPILER INVOKED BY: E:\Keil\C51\BIN\c51.exe HAL.C DB OE COMPACT ROM(LARGE)

stmt level    source

   1          
   2          #include"HAL.H"
   3          #include"D12CI.H"
   4          #include"MAIN.H"
   5          
   6          
   7          /*********************************************************************************************************
             -*
   8           *This is the lowest layer code in the firmware,which performs hardware dependent i/o access to PDIUSBD12.
             -*
   9           *********************************************************************************************************
             -*/
  10          void outportb(unsigned char port,unsigned char val)
  11          {
  12   1           unsigned char xdata *ext_address;
  13   1           
  14   1          // MCU_HOSTDACK=1;
  15   1           
  16   1                ext_address=0xff00+port;
  17   1              // ext_address=port;
  18   1               *ext_address=val;
  19   1               
  20   1            //MCU_HOSTDACK=0;
  21   1      
  22   1      }
  23          unsigned char inportb(unsigned char port)
  24          {
  25   1          unsigned char xdata *ext_address;//define an external data storage
  26   1          
  27   1              unsigned char  c;
  28   1          
  29   1      //      MCU_HOSTDACK=1;                  // set  DMA's mode flag
  30   1              
  31   1               ext_address=0xff00+port;
  32   1              //ext_address=port;
  33   1              c=*ext_address;
  34   1      
  35   1         // MCU_HOSTDACK=0;
  36   1              
  37   1              return c;
  38   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     26    ----
   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)