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📄 hpi.lst

📁 用SL811USB接口芯片读写U盘FAT16固化程序(C51源代码)
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C51 COMPILER V7.06   HPI                                                                   09/18/2004 01:20:08 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE HPI
OBJECT MODULE PLACED IN HPI.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE HPI.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "common.h"
   2          #include "TPBULK.H"
   3          #include "HPI.H"
   4          #include "HAL.H"
   5          #include "Fat.h"
   6          
   7          extern FLAGS bdata bFlags;
   8          extern unsigned char xdata DBUF[BUFFER_LENGTH];
   9          //////////////////////////////////////////
  10          unsigned char xdata UARTBUF[UARTBUF_LENGTH];
  11          SYS_INFO_BLOCK xdata DeviceInfo;
  12          FILE_INFO xdata ThisFile;
  13          
  14          Command_Def xdata Command;
  15          Response_Def xdata Response;
  16          
  17          unsigned int xdata DirStartCluster,NowCluster;
  18          unsigned long xdata NowSector;
  19          
  20          /////////////////////////////////////////////
  21          #define MaxLFNum 20
  22          
  23          typedef struct ShowFileName_D{
  24            unsigned char LongName[256];  //long file name,end by 00 00
  25            unsigned char item[32];       //short file name & dir
  26          } ShowFileName_Def;
  27          
  28          ShowFileName_Def xdata ShowFileName[MaxLFNum];  //long file struct
  29          /////////////////////////////////////////////
  30          
  31          void UartSendRsp(void)
  32          {
  33   1              unsigned int i;
  34   1              unsigned char *pBuf=(unsigned char *)&Response;
  35   1              MCU_LED4=0;
  36   1              for(i=0;i<5;i++)
  37   1                      ComSendByte(*(pBuf+i));
  38   1      
  39   1              if(Response.len!=0)
  40   1                      {
  41   2                      for(i=0;i<Response.len;i++)
  42   2                              ComSendByte(UARTBUF[i]);
  43   2                  }
  44   1              MCU_LED4=1;
  45   1      }
  46          
  47          unsigned char UartHandler(void)
  48          {
  49   1        Response.Result=0;Response.len=0;
  50   1        switch(Command.CLass)
  51   1        {
  52   2          case 0x00:  //List          
  53   2              Response.Result=List();
  54   2              break;  
  55   2              case 0x01:      //Open File
C51 COMPILER V7.06   HPI                                                                   09/18/2004 01:20:08 PAGE 2   

  56   2                      Response.Result=OpenFile(Command.Parameter);            
  57   2              break;
  58   2              case 0x02:      //Read File             
  59   2                      Response.Result=ReadFile(Command.len,UARTBUF);
  60   2                      break;   
  61   2          case 0x03:  //Set Pointer
  62   2                      Response.Result=SetFilePointer(Command.len);    
  63   2                      break;
  64   2              case 0x04:      //Great File
  65   2                      Response.Result=OpenFile(Command.Parameter);
  66   2                      if(Response.Result)
  67   2                              {
  68   3                              Response.Result=SetFilePointer(ThisFile.LengthInByte);
  69   3                              }
  70   2                      else
  71   2                      Response.Result=CreateFile(Command.len,Command.Parameter,UARTBUF);      
  72   2              break; 
  73   2              case 0x05:      //Write File
  74   2              Response.Result=WriteFile(Command.len,UARTBUF);
  75   2              break; 
  76   2          case 0x06:  //Remove File
  77   2              ThisFile.bFileOpen=0;   
  78   2              Response.Result=RemoveFile(Command.Parameter);
  79   2              break;  
  80   2              case 0x07:      //Get Space     
  81   2              Response.Result=GetCapacity();
  82   2              break;     
  83   2              case 0x08:  //DetectDisk
  84   2                      if(bFlags.bits.SLAVE_IS_ATTACHED)
  85   2                              Response.Result=1;
  86   2                      break;
  87   2              case 0x09:  //Great Dir
  88   2                      Response.Result=DownDir(Command.Parameter);
  89   2                      if(!Response.Result)
  90   2                              Response.Result=CreateDir(Command.len,Command.Parameter,UARTBUF);       
  91   2              break; 
  92   2              case 0x0a:      //Down Dir
  93   2                      Response.Result=DownDir(Command.Parameter);
  94   2                      break;
  95   2              case 0x0b:      //Up Dir
  96   2                      Response.Result=UpDir();
  97   2                      break;  
  98   2              case 0x0c:      //Up RootDir
  99   2                      Response.Result=UpRootDir();
 100   2                      break;  
 101   2        }
 102   1      
 103   1        UartSendRsp();
 104   1        ///////////////////////////////
 105   1        return TRUE;  
 106   1      }
 107          
 108          unsigned char List(void)
 109          {
 110   1              unsigned int item,i;
 111   1              unsigned char k,bstop,sector;
 112   1              unsigned char Lcount,Ncount,base;
 113   1              
 114   1              if(!bFlags.bits.SLAVE_IS_ATTACHED)
 115   1                      return FALSE;                   
 116   1              item=0;
 117   1              bstop=0;
C51 COMPILER V7.06   HPI                                                                   09/18/2004 01:20:08 PAGE 3   

 118   1              ////////////////////////////////////
 119   1              Lcount=0;
 120   1              for(i=0;i<MaxLFNum;i++)
 121   1                      {
 122   2                      ShowFileName[i].LongName[0]=0x00;
 123   2                      ShowFileName[i].LongName[1]=0x00;
 124   2                      }
 125   1              /////////////////////////////////////
 126   1      
 127   1              if(DirStartCluster==0)  //Root Dir
 128   1              {
 129   2              for(sector=0;sector<DeviceInfo.BPB_RootEntCnt;sector++)
 130   2                  {   
 131   3                      if(!RBC_Read(DeviceInfo.RootStartSector+sector,1,DBUF))
 132   3                              return FALSE;                   
 133   3                      for(i=0;i<DeviceInfo.BPB_BytesPerSec;i=i+32)
 134   3                              {
 135   4                              if(DBUF[i]==0x00)
 136   4                                      {bstop=1;
 137   5                                      break;}
 138   4                              else if(DBUF[i]==0xE5)
 139   4                                      continue;                       
 140   4                              else
 141   4                                      {
 142   5                                      for(k=0;k<32;k++)
 143   5                                              UARTBUF[item*32+k]=DBUF[i+k];
 144   5                                      item=item+1;
 145   5                                      /////////////////////////////////
 146   5                                      if(DBUF[i+11]==0x0F)
 147   5                                              {
 148   6                                              base=((DBUF[i]&0x1F)-1)*26;
 149   6                                              if(base<=224)
 150   6                                              {
 151   7                                              Ncount=0;
 152   7                                              for(k=1;k<11;k++)
 153   7                                                      {
 154   8                                                      ShowFileName[Lcount].LongName[base+Ncount]=DBUF[i+k];
 155   8                                                      Ncount++;
 156   8                                                      }
 157   7                                              for(k=14;k<26;k++)
 158   7                                                      {
 159   8                                                      ShowFileName[Lcount].LongName[base+Ncount]=DBUF[i+k];
 160   8                                                      Ncount++;
 161   8                                                      }
 162   7                                              for(k=28;k<32;k++)
 163   7                                                      {
 164   8                                                      ShowFileName[Lcount].LongName[base+Ncount]=DBUF[i+k];
 165   8                                                      Ncount++;
 166   8                                                      }
 167   7                                              }
 168   6                                              }
 169   5                                      else
 170   5                                              {
 171   6                                              for(k=0;k<32;k++)
 172   6                                                      ShowFileName[Lcount].item[k]=DBUF[i+k];
 173   6                                          Lcount++;                                   
 174   6                                              }                       
 175   5                                      /////////////////////////////////
 176   5                                      }
 177   4                              }
 178   3                      
 179   3                      if(bstop==1)break;              
C51 COMPILER V7.06   HPI                                                                   09/18/2004 01:20:08 PAGE 4   

 180   3                  }
 181   2              Response.len=item*32;
 182   2              return TRUE;
 183   2              }
 184   1      //////////////////////////////////////////////////////////////////   
 185   1              else            //Son Dir
 186   1              {
 187   2                      NowCluster=DirStartCluster;             
 188   2                      do
 189   2                      {
 190   3                              NowSector=FirstSectorofCluster(NowCluster);
 191   3                              for(sector=0;sector<DeviceInfo.BPB_SecPerClus;sector++)
 192   3                      {   
 193   4                                      if(!RBC_Read(NowSector+sector,1,DBUF))
 194   4                                              return FALSE;                           
 195   4                                      for(i=0;i<DeviceInfo.BPB_BytesPerSec;i=i+32)
 196   4                                      {
 197   5                                              if(DBUF[i]==0x00)
 198   5                                                      {bstop=1;break;}
 199   5                                              else if(DBUF[i]==0xE5)
 200   5                                                      continue;                       
 201   5                                              else
 202   5                                              {
 203   6                                                      for(k=0;k<32;k++)
 204   6                                                              UARTBUF[item*32+k]=DBUF[i+k];
 205   6                                                      item=item+1;
 206   6                                                      /////////////////////////////////
 207   6                                                      if(DBUF[i+11]==0x0F)

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