Open-source RTOS with its own qualified Bluetooth LE host and controller, used on nRF52/nRF53 and many other MCUs.
osalso known as Zephyr
Knowledge about Zephyr RTOS
Safe firmware updates over BLE with MCUboot and MCUmgr (Zephyr)procedure · unverified · Upload a signed image over BLE with MCUmgr/SMP, boot it in test mode, and confirm it from the new firmware only after a self-test, so MCUboot reverts automatically if the update is broken.