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software:oowow:how-to:mcu-firmware-upgrade

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Table of Contents

Edge-2L MCU Firmware Update

Update MCU firmware on Khadas Edge-2L.

Common

Supported boards: Edge-2L

  1. Make sure the device is online.
  2. Do not power off during MCU firmware flashing.
  3. Do not reboot during MCU firmware flashing.

GUI

  • Open Main menu → System → Update MCU.
  • The updater checks stable MCU firmware online.
  • The updater compares current and online firmware version.
  • Press Upgrade.
  • Wait until flashing is finished.

Command line

# Show MCU status
mcu_flash status
 
# Test MCU ID
 
mcu_flash test
 
# List online MCU firmware
 
mcu_flash list
 
# Download stable MCU firmware
 
mcu_flash download stable
 
# Download latest MCU firmware
 
mcu_flash download latest
 
# Download specific MCU firmware file
 
mcu_flash download edge-2l-mcu-vXXXX-stable.bin.gz
 
# Upgrade MCU firmware to stable version
 
mcu_flash upgrade stable
 
# Upgrade MCU firmware to latest version
 
mcu_flash upgrade latest
 
# Upgrade MCU firmware to stable version with logs
 
mcu_flash_upgrade
 
# Read MCU firmware dump
 
mcu_flash read mcu-firmware.bin
 
# Write local MCU firmware file
 
mcu_flash write edge-2l-mcu-vXXXX-stable.bin.gz

Logs

/tmp/mcu_upgrade.log
/tmp/mcu_upgrade.rc

Show upgrade log: 

cat /tmp/mcu_upgrade.log
Last modified: 2026/06/19 00:19 by hyphop

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