本书从实际工程角度，系统地介绍了蓝牙技术原理和协议体系结构，并基于金瓯蓝牙开发平台，以大量的源代码和例程数据分析了L2CAP、RFCOMM和SDP三层协议(This book from the practical angle, systematically introduces the principle and technology of Bluetooth protocol architecture, and based on the Jinou Bluetooth developing platform to a large number of source code routines and data analysis of L2CAP, RFCOMM and SDP three protocol)