CSR USB Driver的源文件，Bluetooth嵌入式开发极好的参考代码-CSR USB Driver source, Bluetooth embedded development excellent reference code

蓝牙开发dongle的源代码，可以参考本例程开发-Dongle CSR， developed bluetooth dongle

蓝牙A2DP通讯协议源代码,其中包括蓝牙通信协议中的驱动通讯协议以及CSR通讯协议-Bluetooth a2dp communication protocol code, including the driver communication protocol in bluetooth communication protocol and the CSR communication protocol