SD card驱动源程序 .................\SD .................\..\sdcmd.c .................\..\sdcmd.h .................\..\sdcrc.c .................\..\sdcrc.h .................\..\sddriver.c .................\..\sddriver.h .................\..\sdhal.c .................\..\sdhal.h .................\sdconfig.h .................\使用说明.txt SD卡资料 ........\readme.txt ........\sd_card_info.pdf ........\SD卡接口规范.pdf ........\SD卡要点说明.pdf