Upgrade firmware

This article mainly describes how to upgrade the firmware for C-RTK2 HP.

Preparations before upgrade

Set flight controller parameters

To upgrade the C-RTK2 HP firmware through the flight controller, you also need to set the following parameters in the Mission plannerd ground station"All parameter table:

For flight controllers using STMF7XX/STMH7XX as MCU:

"CAN_SLCAN_CPORT set to 2
'Serial7_Protocol set to 22
  • Reboot

NOTE These flight controllers will have two usb driver ports in AP4.0/AP4.0 and above firmware, one is the flight controller mavlink output port, and the other is the slcan port; if there are no two ports, please uninstall the driver and reinstall)

For flight control using STM32F4xx as MCU

CAN_SLCAN_CPORT set to`1`
CAN_SLCAN_TIMEOUT set to 130000
CAN_SLCAN_SERNUM set to 0

Do not reboot until the upgrade is complete.

[!NOTE] STM32F4 does not support dual virtual USB ports, so the flight control of FMU v5 and below (not included) can only be used for SLCAN after turning off MAVlink transmission; after the above settings, USB will stop outputting mavlink data and change to SCLAN port; MAVlink will be restored after restarting transmission.

Load firmware

Upgrade using Droncan GUI

  • Select the device port corresponding to slcan and click ok

slcan

  • Click "√"; then double-click the device information

  • Click "update firmware", pop up a message box and click "yes"

slcan

  • The mode/heakth/uptime item becomes "SOftware_update"

slcan

slcan

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