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Aug 07, 2019, 06:48 PM
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larryoakley's Avatar
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Question

Pixhawk 2.4.8 firmware


I have this pixhawk unit that is only able to take the Ardupilot Sub(marine) firmware, every time I try to upload a different firmware (plane, copter or rover), it simply start the update process normal (1-Download firmware from internet, 2-erase memory, 3-upload firmware into the unit) but at the end with no error messages I get only a partial "music" confirmation or no music at all, also it cannot connect to mission planner (no heartbeat packets received), I've been trying different old/previous firmware versions but no success.... everything works normally only with the Ardu Sub firmware. Any idea on whats going on???
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Aug 08, 2019, 05:39 AM
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larryoakley's Avatar
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**Solved***
Aug 08, 2019, 06:45 PM
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mystwalker's Avatar
how did you fix it???
Aug 11, 2019, 06:55 AM
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larryoakley's Avatar
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the normal upgrade process was trying to push automatically a firmware for the V2 hardware, I had to go to the firmware web site and download the V1 instead
Aug 23, 2019, 08:02 PM
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mystwalker's Avatar
thanks for the info
Aug 24, 2019, 10:14 PM
FA3PR9WM79
Oldgazer's Avatar
That's not right. The 2.4.8 is FMU V3. What you need to do is update the boot loader. The process is "hidden". To get to it you need to launch Mission Planner and press the CTRL a F keys on your computer/laptop keyboard. This will bring up a dialog box labeled Temp. You will see a number of green buttons. One is labeled Bootloader Upgrade.

With Mission planner running, connect the Pixhawk via USB but DO NOT click connect. Make sure the connect dialog shows the correct USB port for the Pixhawk.

Press CTRL and F to bring up the menu box. Click on Bootloader Upgrade. Wait for the process to finish. Mission Planner will tell you when the Bl has been upgraded.


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