linux下蓝牙驱动代码的阅读笔记，希望能够给需要的人带来启发。-Bluetooth drivers under linux code to read notes, I hope to bring to those who need inspiration.

阅读代码对程序员来说是非常必要的，只有会阅读代码才能学到更多更好的知识。-Read the code for programmers is very necessary, only read the code to learn more and better knowledge.