retrieveOtaFirmware
suspend fun retrieveOtaFirmware(release: FirmwareRelease, hardware: DeviceHardware, onProgress: (Float) -> Unit): FirmwareArtifact?(source)
Download the OTA firmware zip for a Nordic (nRF52) DFU update.
Return
The downloaded -ota.zip FirmwareArtifact, or null if the file could not be resolved.