蓝牙协议This specification describes the Audio/Video Control Transport Protocol (AVCTP), which is used to transport command and response messages for controlling Audio Video features in conformant devices. This protocol enables a device to support more t

这是BLUETOOTH的蓝牙协议栈，包括A2DP，AVRCP，L2CAP，RFCOMM等-BLUETOOTH Bluetooth protocol stack, including A2DP, AVRCP, L2CAP, RFCOMM