SD Card Driver on wince5

 

下面为具体的DISK I/O操作函数和CARD I/O操作函数，详细实现见sdmemdiskio.cpp和sdmemcardio.cpp：

// // SDDiskIO // //  SDMemCardConfig    - Initialise the memcard structure and card itself DWORD SDMemCardConfig( PSD_MEMCARD_INFO pMemCard );     //  SDMemRead          - Read data from card into pSG scatter gather buffers DWORD SDMemRead( PSD_MEMCARD_INFO pMemCard, PSG_REQ pSG );     //  SDMemWrite         - Write data to card from pSG scatter gather buffers DWORD SDMemWrite( PSD_MEMCARD_INFO pMemCard, PSG_REQ pSG );     //  SDMemErase         - Erase a contiguous set of blocks DWORD SDMemErase( PSD_MEMCARD_INFO pMemCard, PDELETE_SECTOR_INFO pDSI );     //  SDMemEraseAll      - Erase all blocks DWORD SDMemEraseAll( PSD_MEMCARD_INFO pMemCard ); // // SDCardIO //     //  SDMemDoBusRequest  - Perform a bus request, returns Windows Status DWORD SDMemDoBusRequest( PSD_MEMCARD_INFO  pMemcard,                          UCHAR             Command,                          DWORD             Argument,                          SD_TRANSFER_CLASS TransferClass,                          SD_RESPONSE_TYPE  ResponseType,                          ULONG             NumBlocks,                          ULONG             BlockSize,                          PUCHAR            pBuffer,                          DWORD             Flags);     //  SDMemSetBlockLen   - Sets read/write block length for SD memory card DWORD SDMemSetBlockLen( PSD_MEMCARD_INFO pMemcard,                         DWORD            BlockLen );     //  SDMemReadMultiple  - Read multiple 512 byte blocks of data from card DWORD SDMemReadMultiple( PSD_MEMCARD_INFO pHandle,                          ULONG            StartBlock,                          ULONG            NumBlocks,                          PUCHAR           pBuffer );     //  SDMemWriteMultiple - Write multiple 512 byte blocks of data to card DWORD SDMemWriteMultiple( PSD_MEMCARD_INFO pHandle,                           LONG             StartBlock,                           LONG             NumBlocks,                           PUCHAR           pBuffer );     //  SDMemWriteUsingSingleBlocks - Write using single block writes DWORD SDMemWriteUsingSingleBlocks( PSD_MEMCARD_INFO pHandle,                                    LONG             StartBlock,                                    LONG             NumBlocks,                                    PUCHAR           pBuffer );     //  SDMemDoErase - Erase a contiguous set of blocks DWORD SDMemDoErase( PSD_MEMCARD_INFO pHandle,                     LONG             StartBlock,                     LONG             NumBlocks ); DWORD SDAPIStatusToErrorCode( SD_API_STATUS Status ); DWORD SDGetCardStatus(PSD_MEMCARD_INFO pMemCard , SD_CARD_STATUS *pCardStatus); VOID HandleIoctlPowerSet(PSD_MEMCARD_INFO       pMemCard,                          PCEDEVICE_POWER_STATE  pDevicePowerState); VOID InitializePowerManagement(PSD_MEMCARD_INFO pMemCard); VOID DeinitializePowerManagement(PSD_MEMCARD_INFO pMemCard); SD_API_STATUS IssueCardSelectDeSelect(PSD_MEMCARD_INFO pMemCard, BOOL Select); VOID RequestEnd(PSD_MEMCARD_INFO pMemCard); SD_API_STATUS RequestPrologue(PSD_MEMCARD_INFO pMemCard, DWORD DeviceIoControl);