the stm32 SDIO operation of the register version, is changed depending on the version of library functions, does not support multi-block write, looks like the original bug in the library function is temporarily unable to solve. Turn to call SD_Init (), SD_GetCardInfo (& SDCardInfo) SD_SelectDeselect ((u32 Bases the) (SDCardInfo.RCA < < 16)), SD_EnableWideBusOperation (SDIO_BusWide_4b), then you can call the sector read and write operations use.

SDCARD\sdcard.c
......\sdcard.h
SDCARD

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