port.lst

我改了一部分别人的USB,原来的不方便看逻辑

C51 COMPILER V7.20   PORT                                                                  09/11/2008 22:15:06 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE PORT
OBJECT MODULE PLACED IN port.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE port.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "port.h"
   2          void write_command(uint8 a)
   3          { USB_A0=USB_COMMAND_ADD;
   4   1       USB_DATA=a;
   5   1       USB_WR=0;
   6   1       USB_WR=1;
   7   1       USB_DATA=0xFF;
   8   1      }
   9          void write_data(uint8 a)
  10          { USB_A0=USB_DATA_ADD;
  11   1       USB_DATA=a;
  12   1       USB_WR=0;
  13   1       USB_WR=1;
  14   1       USB_DATA=0XFF;
  15   1      
  16   1      }
  17          uint8 read_data(void)
  18          { uint8 temp;
  19   1       USB_A0=USB_DATA_ADD;
  20   1       USB_RD=0;
  21   1       temp=USB_DATA;
  22   1       USB_RD=1;
  23   1       return temp;
  24   1       }
  25          void del(uint16 x)                
  26          {
  27   1       uint16 i;
  28   1       uint16 j;
  29   1       for(i=0;i<x;i++)
  30   1       for(j=0;j<230;j++);
  31   1      }
  32          void disp(uint8 a)
  33          {
  34   1      P2=0xff-a;
  35   1      del(1000);
  36   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     78    ----
   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)