epphal.lst

基于PDIUSBD12芯片的USB开发板固件程序

C51 COMPILER V7.02a   EPPHAL                                                               09/20/2005 15:09:59 PAGE 1   


C51 COMPILER V7.02a, COMPILATION OF MODULE EPPHAL
OBJECT MODULE PLACED IN EPPHAL.OBJ
COMPILER INVOKED BY: D:\Program Files\Keilc7\C51\BIN\C51.EXE EPPHAL.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*本文件定义硬件层函数，根据具体的原理图需做适当修改*/
   2          
   3          #ifdef __C51__
   4          
   5          #include <reg51.h>                /* special function register declarations   */
   6          #include "epphal.h"
   7          #include "d12ci.h"
   8          #include "mainloop.h"
   9          
  10          extern EPPFLAGS bEPPflags;
  11          sbit MCU_HOSTDACK = State^0;
  12          sbit EPP_WRITE = State^1;
  13          sbit EPP_DSTROBE = State^2;
  14          sbit EPP_ASTROBE  = State^3;
  15          sbit MCU_DMARD_WR= State^4;
  16          
  17          /*输出函数，即向外部地址Addr写入数据Data.根据所提供的地址来判断是向PDIUSBD12传输命令信息*/
  18          /*还是传输数据信息。奇地址（D12_COMMAND）传输命令信息，偶地址（D12_DATA）传输数据信息。 */
  19          void outportb(unsigned int Addr,unsigned char Data)
  20          {
  21   1              *((unsigned char xdata*)Addr)=Data;
  22   1      }
  23          
  24          /*输入函数，即从外部地址Addr读入数据。读到的只能是数据信息，因此Addr只能是D12_DATA。*/
  25          unsigned char inportb(unsigned int Addr)
  26          {
  27   1              return *((unsigned char xdata*)Addr);
  28   1      }
  29          
  30          #endif


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     14    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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