bluetooth - Android BLE Blood Pressure Monitor app -

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i new android bluetooth low energy (ble) applications. have blood pressure (and heart rate) monitor issc chip design bt5050 hw/sw version. downloaded android bluetoothlegatt sample program, , can see implemented services, including device information service, , others. have below questions , appreciate if can provide answers:

  1. which gatt profile/service use connect bpm server , can send commands, such start, stop.

  2. i know services below uuid refer to:

    • 49535343-fe7d-4ae5-8fa9-9fafd205e455. (service)

    • 0001800-0000-1000-8000-00805f9b34fb (service)

    • 00002a00-0000-1000-8000-00805f9b34fb (characteristic)
    • 00002a01-0000-1000-8000-00805f9b34fb (characteristic)

    • 00002a0-40000-1000-8000-00805f9b34fb (characteristic)

    • 0000fff0-0000-1000-8000-00805f9b34fb (service)

    • 0000fff1-0000-1000-8000-00805f9b34fb (characteristic)

    • 0000fff2-0000-1000-8000-00805f9b34fb (characteristic)

      1. once device start sending data, gatt service need read off of?
      2. is there way send query device reply supported commands?


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