【BLE】蓝牙抓包器 Ellisys 使用说明
常用功能
设备过滤
抓包的类型
添加观察的项目
协议解析
连接过程
Connection Indication
LLCP Feature Request/Response
LLCP Length Update
当收到带有不认识或不支持的opcode的链路层控制包时,回应LL_UNKNOWN_RSP包,此时,手机端不支持data length更新请求(设备发起的),所以回复LL_UNKNOWN_RSP包
LLCP Length Request
LLCP Unknown Operation
此处手机回复LLCP Unknown Operation,表示手机不支持设备发起的data length更新请求的指令
ATT Exchange MTU Transaction
ATT Exchange MTU Request
ATT Exchange MTU Response
LLCP Connection Update Indication
连接参数更新成功通知(主机发送)
LLCP Version Exchange
LLCP Version
LLCP Version
ATT Read By Group Type Transaction
ATT Read By Group Type Request
ATT Read By Group Type Response
ATT Read By Type Transaction
ATT Read By Type Request
ATT Read By Type Response
ATT Find Information Transaction
ATT Find Information Request
ATT Find Information Response
小技巧
查看数据实时传输速率