UF2
Definition
Section titled “Definition”UF2USB Flashing Format, a firmware package format commonly supported by USB mass-storage bootloaders.Crux usage: UF2 0.4.4 was used in the recorded compatible RAK4631 bootloader baseline.Open full definition, a firmware package format commonly supported by USB mass-storage bootloaders.
Crux usage
Section titled “Crux usage”UF2 0.4.4 was used in the recorded compatible RAK4631WisBlock Core module combining a Nordic nRF52840 microcontroller and an SX1262 LoRa radio.Crux usage: The module used as a MeshCore USB Companion in the Atlas Bridge recovery campaign.Open full definition BootloaderFirmware supporting startup and, depending on design, a supported method for updating device application software.Crux usage: The recovery campaign restored a compatible UF2 bootloader environment before applying the MeshCore USB Companion firmware.Open full definition baseline.
Context
Section titled “Context”UF2 is not interchangeable with the DFUDevice Firmware Update: a method for transferring firmware to a device through a compatible update mechanism.Crux usage: After SWD bootloader restoration, the MeshCore USB Companion application was delivered using serial DFU.Open full definition ZIP application package; use the update mechanism intended for each artifact.
Aliases
Section titled “Aliases”USB Flashing Format
Related terms
Section titled “Related terms”This entry is governed through the AtlasCrux’s governed operational intelligence system for interpreting system state, coordinating workflows, and presenting actions or decisions.Crux usage: Atlas connects engineering records, sensor data, communications, automation, evidence, and publishing. Material changes remain subject to validation rules and human approval.Open full definition Engineering System.