ST adds LoRaWAN FUOTA support for STM32Cube

November 07, 2019 //By Ally Winning
STMicroelectronics has enhanced its STM32 LoRaWAN software expansion package to support the latest Firmware Update Over The Air (FUOTA) specifications.
STMicroelectronics has enhanced its STM32 LoRaWAN software expansion package to support the latest Firmware Update Over The Air (FUOTA) specifications.

FUOTA is intended to future-proof LoRa devices by making application-layer updates and RF-stack updates to devices in the field easier. The LoRa Alliance has published three FUOTA LoRaWAN application specifications (v1) that together support and standardize FUOTA: Application Layer Clock Synchronization, Remote Multicast Setup, and Fragmented Data Block Transport. They are respectively involved in time synchronization, sending messages to groups of end devices, and data-file splitting.

ST supports the full firmware update as described in the LoRa Alliance specifications with the I-CUBE-LRWAN, enabling STM32 developers to create LoRa endpoint devices that support FUOTA for STM32L4 MCUs taking benefits from the Secure Boot and Secure Firmware Update solution (X-CUBE-SBSFU) with open-source crypto library. FOUTA allows the STM32L4’s built-in program to be updated with new firmware versions. The updating process is secure to stop unauthorized updates and access to confidential on-device data. The pack includes the LoRaWAN stack with hardware abstraction layers and sample application code for STM32L0, STM32L1, and STM32L4 MCUs. A test application for LoRaWAN certification tests is also included.

ST’s I-CUBE-LRWAN software can be used with LPWAN development boards and sensor expansion boards of the STM32 Nucleo ecosystem, such as the LoRa nodes included in the P-NUCLEO-LRWAN2 and P-NUCLEO-LRWAN3 developer packs.

More information and download

www.st.com/i-cube-lrwan

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