SD卡的驱动和使用 资料 共享 望大家讨论-SD card driver and use of information sharing

sd卡存取 驱动sd卡的源代码 可以再sd卡槽里面放置sd卡 用作存储器的扩展-Sd card access drive sd card source code can be sd card slot inside place the sd card is used as the extension of the memory