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Bluetooth Smart protocol stack for wearable hub networks with wireless sensors
Published: Jul 15,20141193 Read
The S130 SoftDevice is a Bluetooth v4.1 compliant protocol stack, it includes all Bluetooth Smart protocol layers up to and including GATT/GAP. Supports multi-link central, peripheral, observer and broadcaster roles, GATT server and client, and event-driven, asynchronous and thread safe GATT/GAP and L2CAP APIs. The S130's ability to support concurrent multi-link central and peripheral roles makes it an ideal choice for Bluetooth Smarthubs that are not smartphones or tablets.
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Some S130 SoftDevice features included an OTA Device Firmware Upgrade (OTA-DFU) capability that leverages the Nordic nRF51 Series SoCs' flash architecture for in-the-field product firmware updates. A SoftDevice is the company's self-contained software stack for nRF51 series SoCs that incorporates a unique separation of RF protocol and application code.
Employing an architecture that cleanly separates the Bluetooth Smart, ANT or 2.4 GHz proprietary SoftDevice from the developer's application code removes the need for the engineer to struggle with integration of their code as part of a vendor-imposed application development framework. This separation ensures the stack and application software operate independently, but communicate when necessary via event-driven APIs.
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