说明：  ZLG/SD软件包的版本为Ver2.0,可读写SD/MMC卡。 1. sdconfig.h: 该文件为ZLG/SD软件包配置头文件，用户可根据实际硬件条件进行修改. 2. SDMMC目录 : ZLG/SD软件包的全部文件,一般不用修改. 3. 建议sdconfig.h文件不要放于SDMMC目录中，因为SDMMC目录中的文件一般无须修改, 而sdconfig.h通常需要根据硬件条件改动.
(ZLG/SD package version Ver2.0, can read and write SD/MMC card. 1. Sdconfig.h: The document for ZLG/SD package configuration header files, the user hardware according to actual conditions can be modified .2. SDMMC directory: ZLG/SD package of all the documents, the general need not be amended .3. Recommendations sdconfig. h files should not be put in SDMMC directory, because SDMMC files in the directory are not normally required to be amended and the sdconfig.h conditions usually need to change hardware.)