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Is there a way to find the bluetooth version without looking at a spec sheet?


How to Toggle Bluetooth in All Android Versions 1.5+ and UpwardsHow to stream audio from one Android device to another Android device Via Bluetooth?Android Bluetooth PIN pairing without user interface on Android 4.2+Find already paired bluetooth devices automatically, when they are in rangeHow to tell whether bluetooth adapter supports bluetooth LE (4.0)?Determine Bluetooth version for a specific sessionBLE Connection between Bluetooth 4.2 and 4.0What is the BLuetooth specification of latest Android support?How to find Bluetooth Profile Versions for HFP, PBAP on iPhone/AndroidGet the supported Bluetooth Version in Android phones?(5 or 4.x)













1















What I was wondering is if there were any type of handshake process that happens when two Bluetooth devices connect that both tell each other what version of Bluetooth they support and just use the lowest available version that they both support. And if that negotiated version is stored anywhere for API use?



Android device: Bluetooth 4.2
IOT device: Bluetooth 4.0
Negotiated: Bluetooth 4.0


So from the example above the two devices have decided on using Bluetooth 4.0, now do system Bluetooth API's have access to viewing the negotiated version or does the Bluetooth chip just handle everything without offering that information?










share|improve this question






















  • In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

    – ouah
    Mar 7 at 23:35















1















What I was wondering is if there were any type of handshake process that happens when two Bluetooth devices connect that both tell each other what version of Bluetooth they support and just use the lowest available version that they both support. And if that negotiated version is stored anywhere for API use?



Android device: Bluetooth 4.2
IOT device: Bluetooth 4.0
Negotiated: Bluetooth 4.0


So from the example above the two devices have decided on using Bluetooth 4.0, now do system Bluetooth API's have access to viewing the negotiated version or does the Bluetooth chip just handle everything without offering that information?










share|improve this question






















  • In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

    – ouah
    Mar 7 at 23:35













1












1








1








What I was wondering is if there were any type of handshake process that happens when two Bluetooth devices connect that both tell each other what version of Bluetooth they support and just use the lowest available version that they both support. And if that negotiated version is stored anywhere for API use?



Android device: Bluetooth 4.2
IOT device: Bluetooth 4.0
Negotiated: Bluetooth 4.0


So from the example above the two devices have decided on using Bluetooth 4.0, now do system Bluetooth API's have access to viewing the negotiated version or does the Bluetooth chip just handle everything without offering that information?










share|improve this question














What I was wondering is if there were any type of handshake process that happens when two Bluetooth devices connect that both tell each other what version of Bluetooth they support and just use the lowest available version that they both support. And if that negotiated version is stored anywhere for API use?



Android device: Bluetooth 4.2
IOT device: Bluetooth 4.0
Negotiated: Bluetooth 4.0


So from the example above the two devices have decided on using Bluetooth 4.0, now do system Bluetooth API's have access to viewing the negotiated version or does the Bluetooth chip just handle everything without offering that information?







bluetooth






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 7 at 12:59









Trevin CorkeryTrevin Corkery

708




708












  • In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

    – ouah
    Mar 7 at 23:35

















  • In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

    – ouah
    Mar 7 at 23:35
















In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

– ouah
Mar 7 at 23:35





In BLE there is a Link Layer control procedure (using LL_VERSION_IND Control PDU) that can be used for the controllers to exchange their Bluetooth version numbers after entering the Connection State.

– ouah
Mar 7 at 23:35












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