SD Card Driver on wince5

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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);