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send mavlink message to px4 by udp

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seongheon kim
seongheon kim on 17 Jan 2021
Answered: Amrtanshu Raj on 1 Feb 2021
i want to do offboard control by using matlab to control px4.
im trying to send command (mavlink message) to px4 by udp .
for example , i give the thrust command like the picture. but nothing happened for px4. (i run px4 software in the loop with gazebo on my desktop)
do i need to do something before giving a command? or is that not the way to give command to px4??
sorry for my poor english.
i will be appriciated with any kind of clues for this, thank you !!
Ankur Bose
Ankur Bose on 19 Jan 2021
MAVLink provides the Path Planning Protocol that enables the offboard control of the drone. Did you take a look at that?
seongheon kim
seongheon kim on 19 Jan 2021
thank you for the answers!
I just have looked at that but I couldnt find that they support Matlab.
also I know that px4 support python and c++ for offboard control. but they are not what i wanted
I want to control px4 with Matlab .. I wonder if there is another way
thank you so much :)

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Answers (1)

Amrtanshu Raj
Amrtanshu Raj on 1 Feb 2021
As mentioned by @Ankur Bose you can use the Path Planning Protocol to send a TRAJECTORY_REPRESNTATION_WAYPOINTS message to control the px4 in offboard mode. The MAVLink is independent of the language use to generate the message.
Hope this helps !!




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