Declaring the Right Device Capability

You declare a device capability for a Bluetooth Smart device the same way as shown in the previous section. In this case, however, the protocol (the Name value for the m2:DeviceCapability element) must be set to bluetooth.genericAttributeProfile. A different set of friendly service names are supported for well-known GATT services:

→ battery

→ bloodPressure

→ cyclingSpeedAndCadence

→ genericAccess

→ genericAttribute

→ glucose

→ healthThermometer

→ heartRate

→ runningSpeedAndCadence

These names are used with the m2:Function element, so here’s an example of declaring a capability for using any Bluetooth Smart blood pressure device:

Click here to view code image

<m2:DeviceCapability Name="bluetooth.genericAttributeProfile ...

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