![]() In the custom SPP service definition (see above), advertisetrue is set to true, meaning that the stack will automatically add the 128-bit UUID in advertisement packets. This example uses advertising packets that are automatically filled by the stack. The service is defined in the gatt.xml file associated with this document and shown below. Only one characteristic is used for both incoming and outgoing data. SPP Server Because Bluetooth Low Energy does not have a standard SPP service, it needs to be implemented as a custom service. Iphone Bluetooth Serial Port Profile Spp Bluetooth Low Energy With small modifications, the sppclientmain code can be converted into a heart rate client or thermometer client code for example. The client performs service discovery after the connection is established. The client part of this example ( sppclientmain ) can also be used as a starting point for any generic BLE central implementation that scans and automatically connects to devices that advertise a specific service UUID. ![]() The role is selected dynamically at power-up using pushbuttons, as described in the section How to Use. Users are expected to customize the code as needed to match their project requirements. To keep the code as short and simple as possible, the features are minimal. SPP (Serial Port Profile) over BLE Description This example provides a simple template for SPP-like communication. Iphone Bluetooth Serial Port Profile Spp Bluetooth Low Energy.
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