是我在ARM学习过程中的一些总结，感觉还是蛮有用的。-ARM are my learning process at some conclusion, or feel quite useless.

关于STM32的SD卡的开发包含很多有用处的函数和右用处的功能。绝对真实绝对有用处。-On the development of the STM32 SD card contains a lot of useful functions and right useful function. Absolutely true, absolutely useless.

Dont open it, its useless program