Introduction - If you have any usage issues, please Google them yourself
Control of a complex example of SD card, you can refer to the application to your phone.
Packet : 55593397soft-sd.rar filelist
SOFT-SD\SRC\sdhal.c
SOFT-SD\SRC\sdcmd.c
SOFT-SD\INC\sdhal.h
SOFT-SD\INC\sdcmd.h
SOFT-SD\INC\sdconfig.h
SOFT-SD\INC\sdcrc.h
SOFT-SD\INC\sddriver.h
SOFT-SD\sd_def.h
SOFT-SD\FileMgr.c
SOFT-SD\fmt_main.c
SOFT-SD\msdc.c
SOFT-SD\sd.c
SOFT-SD\SRC
SOFT-SD\INC
SOFT-SD