main.lst

用89C51SND1C实现的USB存储器的代码,包括USB通信和FLASH的读写操作.

C51 COMPILER V6.23a  MAIN                                                                  06/01/2003 16:27:44 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: E:\Program Files\keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <REGSND1.H>
   2          #include "uart.h"
   3          #include "atmelusbci.h"
   4          #include "main.h"
   5          
   6          unsigned char ReadEp(unsigned char EpNum,unsigned char *Data)
   7          {
   8   1              unsigned char i=0,nLength;
   9   1              UEPNUM=EpNum;
  10   1      
  11   1              nLength=UBYCTX;
  12   1              while(nLength--) {Data[i++]=UEPDATX;/*printuf("%x ",Data[i]);*/}
  13   1      
  14   1              UEPSTAX&=~(RXOUTB0|RXOUTB1|RXSETUP);
  15   1              return(i);
  16   1      }
  17          
  18          void Get_Status()
  19          {
  20   1              printu("Get_Status\n");
  21   1      }
  22          void Clear_Feature()
  23          {
  24   1              printu("Clear_Feature\n");
  25   1      }
  26          void Set_Feature()
  27          {
  28   1              printu("Set_Feature\n");
  29   1      }
  30          void Set_Address(unsigned char EpNum)
  31          {
  32   1              printu("Set_Address\n");
  33   1      }
*** WARNING C280 IN LINE 30 OF MAIN.C: 'EpNum': unreferenced local variable
  34          void Get_Descriptor(unsigned char DesType,unsigned char nLength)
  35          {
  36   1              printu("Get_Descriptor\n");
  37   1      }
*** WARNING C280 IN LINE 34 OF MAIN.C: 'DesType': unreferenced local variable
*** WARNING C280 IN LINE 34 OF MAIN.C: 'nLength': unreferenced local variable
  38          void Get_Configuration()
  39          {
  40   1              printu("Get_Configuration\n");
  41   1      }
  42          void Set_Configuration(unsigned char wValue)
  43          {
  44   1              printu("Set_Configuration\n");
  45   1      }
*** WARNING C280 IN LINE 42 OF MAIN.C: 'wValue': unreferenced local variable
  46          void Get_Interface()
  47          {
  48   1              printu("Get_Interface\n");
  49   1      }
  50          void Set_Interface()
  51          {
C51 COMPILER V6.23a  MAIN                                                                  06/01/2003 16:27:44 PAGE 2   

  52   1              printu("Set_Interface\n");
  53   1      }
  54          void Reserved()
  55          {
  56   1      }
  57          
  58          void Ep0Int()
  59          {
  60   1              unsigned char i,j;
  61   1              unsigned char ControlData[32]={0,};
  62   1      //      printu("\nEp0 Interrrupted!");
  63   1              i=ReadEp(0,ControlData);//读端点0数据
  64   1          for(j=0;j<i;j++) printuf("%x ",ControlData[j]);
  65   1              j=ControlData[0]&0x60;  //判断是否是USB标准请求
  66   1              if((j==0)&&i){                  //如果端点0数据长度非零且为标准请求
  67   2                      switch(ControlData[1]){ //分支处理
  68   3                                      case get_status                 :       Get_Status();break;
  69   3                                      case clear_feature              :       Clear_Feature();break;
  70   3              
  71   3                                      case set_feature                :       Set_Feature();break;
  72   3              
  73   3                                      case set_address                :       Set_Address(ControlData[2]);break;
  74   3                                      case get_descriptor             :       Get_Descriptor(ControlData[3],ControlData[6]);break;
  75   3              
  76   3                                      case get_configuration  :       Get_Configuration();break;
  77   3                                      case set_configuration  :       Set_Configuration(ControlData[2]);break;
  78   3                                      case get_interface              :       Get_Interface();break;
  79   3                                      case set_interface              :       Set_Interface();break;
  80   3                                      default                                 :       Reserved();break;
  81   3                              }
  82   2              }
  83   1      }
  84          
  85          void main_txdone()
  86          {}
  87          void main_rxdone()
  88          {}
  89          void main()
  90          {
  91   1              printu("Test Ep0 Intterupt\n");
  92   1              AtmelUSBInit(0,2,0);
  93   1              EpEnable();
  94   1              while(1){
  95   2                      if(UEPINT&EP0INT) Ep0Int();
  96   2                      if(UEPINT&EP1INT) main_txdone();
  97   2                      if(UEPINT&EP2INT) main_rxdone();
  98   2                      UEPINT=0;
  99   2              }
 100   1      }
 101          
 102          
 103          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    336    ----
   CONSTANT SIZE    =    193    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      41
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V6.23a  MAIN                                                                  06/01/2003 16:27:44 PAGE 3   

END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  4 WARNING(S),  0 ERROR(S)