fat16.lst

基于MCU的U盘源码

C51 COMPILER V7.09   FAT16                                                                 05/11/2005 17:30:28 PAGE 3   

 110          
 111          };
 112          
 113          /*
 114          //from  e Carry
 115          0xeb,0x3c,0x90,0x4d,0x53,0x44,0x4f,0x53,0x35,0x2e,0x30,0x00,0x02,0x08,0x01,0x00,
 116          0x02,0x00,0x02,0x00,0x7d,0xf8,0x0c,0x00,0x3f,0x00,0xff,0x00,0x00,0x00,0x00,0x00,
 117          0x00,0x00,0x00,0x00,0x00,0x00,0x29,0xfa,0x9f,0x92,0x90,0x4e,0x4f,0x20,0x4e,0x41,
 118          0x4d,0x45,0x20,0x20,0x20,0x20,0x46,0x41,0x54,0x31,0x36,0x20,0x20,0x20,
 119          
 120          //executable code
 121          0x33,0xc9,
 122          0x8e,0xd1,0xbc,0xf0,0x7b,0x8e,0xd9,0xb8,0x00,0x20,0x8e,0xc0,0xfc,0xbd,0x00,0x7c,
 123          0x38,0x4e,0x24,0x7d,0x24,0x8b,0xc1,0x99,0xe8,0x3c,0x01,0x72,0x1c,0x83,0xeb,0x3a,
 124          0x66,0xa1,0x1c,0x7c,0x26,0x66,0x3b,0x07,0x26,0x8a,0x57,0xfc,0x75,0x06,0x80,0xca,
 125          0x02,0x88,0x56,0x02,0x80,0xc3,0x10,0x73,0xeb,0x33,0xc9,0x8a,0x46,0x10,0x98,0xf7,
 126          0x66,0x16,0x03,0x46,0x1c,0x13,0x56,0x1e,0x03,0x46,0x0e,0x13,0xd1,0x8b,0x76,0x11,
 127          0x60,0x89,0x46,0xfc,0x89,0x56,0xfe,0xb8,0x20,0x00,0xf7,0xe6,0x8b,0x5e,0x0b,0x03,
 128          0xc3,0x48,0xf7,0xf3,0x01,0x46,0xfc,0x11,0x4e,0xfe,0x61,0xbf,0x00,0x00,0xe8,0xe6,
 129          0x00,0x72,0x39,0x26,0x38,0x2d,0x74,0x17,0x60,0xb1,0x0b,0xbe,0xa1,0x7d,0xf3,0xa6,
 130          0x61,0x74,0x32,0x4e,0x74,0x09,0x83,0xc7,0x20,0x3b,0xfb,0x72,0xe6,0xeb,0xdc,0xa0,
 131          0xfb,0x7d,0xb4,0x7d,0x8b,0xf0,0xac,0x98,0x40,0x74,0x0c,0x48,0x74,0x13,0xb4,0x0e,
 132          0xbb,0x07,0x00,0xcd,0x10,0xeb,0xef,0xa0,0xfd,0x7d,0xeb,0xe6,0xa0,0xfc,0x7d,0xeb,
 133          0xe1,0xcd,0x16,0xcd,0x19,0x26,0x8b,0x55,0x1a,0x52,0xb0,0x01,0xbb,0x00,0x00,0xe8,
 134          0x3b,0x00,0x72,0xe8,0x5b,0x8a,0x56,0x24,0xbe,0x0b,0x7c,0x8b,0xfc,0xc7,0x46,0xf0,
 135          0x3d,0x7d,0xc7,0x46,0xf4,0x29,0x7d,0x8c,0xd9,0x89,0x4e,0xf2,0x89,0x4e,0xf6,0xc6,
 136          0x06,0x96,0x7d,0xcb,0xea,0x03,0x00,0x00,0x20,0x0f,0xb6,0xc8,0x66,0x8b,0x46,0xf8,
 137          0x66,0x03,0x46,0x1c,0x66,0x8b,0xd0,0x66,0xc1,0xea,0x10,0xeb,0x5e,0x0f,0xb6,0xc8,
 138          0x4a,0x4a,0x8a,0x46,0x0d,0x32,0xe4,0xf7,0xe2,0x03,0x46,0xfc,0x13,0x56,0xfe,0xeb,
 139          0x4a,0x52,0x50,0x06,0x53,0x6a,0x01,0x6a,0x10,0x91,0x8b,0x46,0x18,0x96,0x92,0x33,
 140          0xd2,0xf7,0xf6,0x91,0xf7,0xf6,0x42,0x87,0xca,0xf7,0x76,0x1a,0x8a,0xf2,0x8a,0xe8,
 141          0xc0,0xcc,0x02,0x0a,0xcc,0xb8,0x01,0x02,0x80,0x7e,0x02,0x0e,0x75,0x04,0xb4,0x42,
 142          0x8b,0xf4,0x8a,0x56,0x24,0xcd,0x13,0x61,0x61,0x72,0x0b,0x40,0x75,0x01,0x42,0x03,
 143          0x5e,0x0b,0x49,0x75,0x06,0xf8,0xc3,0x41,0xbb,0x00,0x00,0x60,0x66,0x6a,0x00,0xeb,
 144          0xb0,0x4e,0x54,0x4c,0x44,0x52,0x20,0x20,0x20,0x20,0x20,0x20,0x0d,0x0a,0x4e,0x54,
 145          0x4c,0x44,0x52,0x20,0x69,0x73,0x20,0x6d,0x69,0x73,0x73,0x69,0x6e,0x67,0xff,0x0d,
 146          0x0a,0x44,0x69,0x73,0x6b,0x20,0x65,0x72,0x72,0x6f,0x72,0xff,0x0d,0x0a,0x50,0x72,
 147          0x65,0x73,0x73,0x20,0x61,0x6e,0x79,0x20,0x6b,0x65,0x79,0x20,0x74,0x6f,0x20,0x72,
 148          0x65,0x73,0x74,0x61,0x72,0x74,0x0d,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 149          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xac,0xbf,0xcc,
 150          
 151          */
 152          void WriteMBR2Flash(void)
 153          {
 154                  if(Check_Flash_Id()==KM29U128_ID){
 155                  WritePage(Root_Cluster, BPB_Sector, BPB_Data);
 156                  }
 157                  else Uart_Printf("\nKM29U128 is Not Found!");
 158          }
 159          
 160          void CreatFAT16(void)
 161          {
 162                  U16 i;
 163                  static U8 FAT[528];
 164                  for(i=0;i<528;i++) FAT[i] = 0x00;
 165                  //disk type lower byte is equal to Offset_U8_BPB_Media
 166                  FAT[0] = 0xf8;
 167                  FAT[1] = 0xff;//system occupied the first cluster
 168                  FAT[2] = 0xff;
 169                  FAT[3] = 0x7f;
 170                  
 171                  if(Check_Flash_Id()==KM29U128_ID){
C51 COMPILER V7.09   FAT16                                                                 05/11/2005 17:30:28 PAGE 4   

 172                          WritePage(Root_Cluster,Fat_Sector,FAT); //Sector 1 of Fat16
 173                          WritePage(Root_Cluster,Fat_Sector+2,FAT);       //Sector 1 of Fat16
 174                          FAT[0]=FAT[1]=FAT[2]=FAT[3]=0x00;
 175                          WritePage(Root_Cluster,Fat_Sector+1,FAT);       //Sector 2 of Fat16
 176                          WritePage(Root_Cluster,Fat_Sector+3,FAT);       //Sector 2 of Fat16
 177                          }
 178                  else Uart_Printf("\nKM29U128 is Not Found!");
 179          }
 180          
 181          void CreatDirectoryEntry(void)
 182          {
 183                  static U8 Directory_Enties[528];
 184                  U32 i;
 185                  for(i=0;i<528;i++)  Directory_Enties[i]= 0x00;
 186          
 187                  if(Check_Flash_Id()==KM29U128_ID){
 188                          for(i=0;i<0x35;i++) {
 189                                  WritePage(Root_Cluster,Directory_Sector+i,Directory_Enties);
 190                                  Delay(100);
 191                                  }
 192                          }       
 193                  else Uart_Printf("\nKM29U128 is Not Found!");
 194                  
 195          }
 196          
 197          
 198          //函数实现
 199          void Format_Fat16Media(void)
 200          {       
 201                  Flash_Reset();
 202                  Erase_Cluster(Root_Cluster);
 203                  WriteMBR2Flash();
 204                  CreatFAT16();
 205                  CreatDirectoryEntry();
 206                  }
 207          
 208          void Write2Flash(unsigned int block,unsigned int StSector,unsigned int EnSector,unsigned char *ClusterBuf)
 209          
 210          {
 211                  unsigned int i;
 212                  for(i=0;i<StSector;i++) 
 213                          {ReadPage(block,i,ClusterBuf+i*528);    //前前面的扇区读出
 214                          }
 215                  for(i=EnSector+1;i<32;i++) 
 216                          {ReadPage(block,i,ClusterBuf+i*528);    //前前面的扇区读出
 217                          }
 218                  Erase_Cluster(block);
 219                  for(i=0;i<32;i++) 
 220                          {
 221          //              Uart_Printf("W:%x",ClusterBuf[i*528]);
 222                          WritePage(block,i,ClusterBuf+i*528);    //前前面的扇区读出
 223          //              ReadPage(block,i,BPB_Data);
 224          //              Uart_Printf("R:%x",BPB_Data[0]);
 225                          
 226                          }
 227          }
 228          
 229          

C51 COMPILATION COMPLETE.  2 WARNING(S),  1 ERROR(S)