sd卡zlg实验的ADS源程序向MDK上的移植程序，实现sd读取和写入的基本功能，基于ucosII。-sd card zlg experimental ADS source code to the MDK Porting programs to achieve sd to read and write basic functions, based on ucosII.

这个是原子stm32实验板的程序，其主要内容是对于sd卡的读取。-This is the atomic program of the stm32 experimental board, sd card read.