蓝牙协议栈中关于回连和断开的定义

　　蓝牙耳机或者音响设备中，蓝牙回连是经常碰到的，这里也经常出问题，这里我就梳理一下，看看协议栈怎么讲的。

回连的流程一般是这样的，耳机重新打开或者耳机距离远断开后又距离拉近，这时候就会启动回连，一般是耳机要回连接手机的，协议栈的命令是这个：

　　　　　：

流程描述如下，感觉自己怎么翻译也没有蓝牙协议栈上说的清楚，就原班过来了：

　　　The Accept_Connection_Request command is used to accept a new incomiing connection request. The Accept_Connection_Request command shall only be

issued after a Connection Request event has occurred. The Connection Request event will return the BD_ADDR of the device which is requesting the

connection. This command will cause the Link Manager to create a connectio to the BR/EDR Controller, with the BD_ADDR specified by the command

parameters. The Link Manager will determine how the new connection will be established. This will be determined by the current state of the dev