这是关于SD CARD的分析文档,对大家有一定帮助,-This is about the CARD SD analysis of the document, we have some help,

wifi模块，需要了解的东西很多，这里只对其工作原理和工作流程以及移植过程进行了简单的阐述，还有很多方面没有概括到，如：协议层的实现方式和过程，以及数据传输中的细节和sdio相关内容等等.-wifi module, you need to understand a lot of things, just to carry out its working principle and workflow as well as a brief exposition of the migration pr