psm代表给什么协议来建立l2cap连接。 Protocol PSM Reference --------------------------- SDP 0x0001 See Bluetooth Service Discovery Protocol (SDP), Bluetooth SIG. //上面这个表示如果是SDP连接就把psm设为0x0001,后面以此类推。。 RFCOMM 0x0003 See RFCOMM with TS 07.10, Bluetooth SIG. TCS-BIN 0x0005 See Bluetooth Telephony Control Specification / TCS Binary, Bluetooth SIG. TCS-BIN-CORDLESS 0x0007 See Bluetooth Telephony Control Specification / TCS Binary, Bluetooth SIG. BNEP 0x000F See Bluetooth Network Encapsulation Protocal, Bluetooth SIG. HID_Control 0x0011 See Human Interface Device , Bluetooth SIG. HID_Interrupt 0x0013 See Human Interface Device, Bluetooth SIG. UPnP 0x0015 See [ESDP] , Bluetooth SIG. AVCTP 0x0017 See Audio/Video Control Transport Protocol , Bluetooth SIG. AVDTP 0x0019 See Audio/Video Distribution Transport Protocol , Bluetooth SIG. AVCTP_Browsing 0x001B See Audio/Video Remote Control Profile, Bluetooth SIG UDI_C-Plane 0x001D See the Unrestricted Digital Information Profile [UDI], Bluetooth SIG --------------------------- 参考自:http://blog.chinaunix.net/space.php?uid=22535114&do=blog&id=1773519 上面是我的理解,具体可看参考
Protocol PSM Reference
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SDP 0x0001 See Bluetooth Service Discovery Protocol (SDP), Bluetooth SIG.
//上面这个表示如果是SDP连接就把psm设为0x0001,后面以此类推。。
RFCOMM 0x0003 See RFCOMM with TS 07.10, Bluetooth SIG.
TCS-BIN 0x0005 See Bluetooth Telephony Control Specification / TCS Binary, Bluetooth SIG.
TCS-BIN-CORDLESS 0x0007 See Bluetooth Telephony Control Specification / TCS Binary, Bluetooth SIG.
BNEP 0x000F See Bluetooth Network Encapsulation Protocal, Bluetooth SIG.
HID_Control 0x0011 See Human Interface Device , Bluetooth SIG.
HID_Interrupt 0x0013 See Human Interface Device, Bluetooth SIG.
UPnP 0x0015 See [ESDP] , Bluetooth SIG.
AVCTP 0x0017 See Audio/Video Control Transport Protocol , Bluetooth SIG.
AVDTP 0x0019 See Audio/Video Distribution Transport Protocol , Bluetooth SIG.
AVCTP_Browsing 0x001B See Audio/Video Remote Control Profile, Bluetooth SIG
UDI_C-Plane 0x001D See the Unrestricted Digital Information Profile [UDI], Bluetooth SIG
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参考自:http://blog.chinaunix.net/space.php?uid=22535114&do=blog&id=1773519
上面是我的理解,具体可看参考