Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
Collapse
Brand Logo

ModalAI Forum

  1. ModalAI Support Forum
  2. VOXL Compute & Autopilot
  3. VOXL 2 Mini
  4. Voxl2 mini Mavlink server

Voxl2 mini Mavlink server

Scheduled Pinned Locked Moved VOXL 2 Mini
6 Posts 2 Posters 1.2k Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • M Offline
    M Offline
    McMason
    Regular
    wrote on last edited by McMason
    #1

    Good morning,

    Looking at the mavlink server and needing be able to send a command to control a gimbal device. I am trying to test the status of the server and i only get waiting for pipe to connect.

    I am connected to an external FC through UART pins 4 and 5 on J10 and we are able to control the UAS from the voxl2 for our usecase. Looking to get some guidance on where to turn to.

    Matt

    1 Reply Last reply
    0
    • Zachary Lowell 0Z Offline
      Zachary Lowell 0Z Offline
      Zachary Lowell 0
      ModalAI Team
      wrote on last edited by
      #2

      @McMason said in Voxl2 mini Mavlink server:

      Looking

      Hi @McMason - did you ever update the config file for voxl-malvink-server so that way it knows you are using external FC and on the right UART - you can follow the instructions here: https://docs.modalai.com/voxl2-external-flight-controller/

      LMK if this helps.
      Zach

      1 Reply Last reply
      0
      • M Offline
        M Offline
        McMason
        Regular
        wrote on last edited by McMason
        #3

        Hi @Zachary-Lowell-0 I did update the config file using uart bus 0 and the correct baud rates, as well as the external FC params. When I use voxl-inspect-mavlink mavlink_onboard i am not seeing the ID of the FC populate. I see there is areas in the vision hub conf file for mavlink. Also the guide mentions using voxl-cross docker. Is this needed for the mavlink server to talk to an FC via mavlink? In respect to the serial line the vehicle is navigating from the Voxl minis input and i would assume its good.

        1 Reply Last reply
        0
        • Zachary Lowell 0Z Offline
          Zachary Lowell 0Z Offline
          Zachary Lowell 0
          ModalAI Team
          wrote on last edited by
          #4

          @McMason said in Voxl2 mini Mavlink server:

          navigating from the Voxl minis input and i would assume its good.

          @McMason docker is used just for building and or using mavsdk not for mavlink server - are you positive you have your TX/RX wired propoerly? TX goes to RX and RX goes to TX, etc.

          Furthermore can you take a screenshot of your rig? I want to see what hat you are using as well as a copy your config file here for voxl-mavlink-server.conf

          Zach

          1 Reply Last reply
          0
          • M Offline
            M Offline
            McMason
            Regular
            wrote on last edited by McMason
            #5

            Hi @Zachary-Lowell-0 the serial line is correct, i do see there is an established connection to a flight controller with sys id of 2. Running our developed code we are able to follow a target based on target in frames, the aircraft responds well to VOXL2 mini inputs and corrections.

            What is the expected outcome of running the mavlink inspect sys_status? should it show a data stream, again I am just seeing waiting for pipe to connect.

            {
            "primary_static_gcs_ip": "192.168.8.10",
            "secondary_static_gcs_ip": "192.168.8.11",
            "onboard_port_to_autopilot": 14556,
            "onboard_port_from_autopilot": 14557,
            "gcs_port_to_autopilot": 14558,
            "gcs_port_from_autopilot": 14559,
            "en_external_uart_ap": true,
            "autopilot_uart_bus": 0,
            "autopilot_uart_baudrate": 921600,
            "en_external_ap_timesync": 1,
            "en_external_ap_heartbeat": 1,
            "udp_mtu": 0,
            "gcs_timeout_s": 4.5

            Tried to send you the file, but it says i do not have the privileges to do so. I am not using a HAT board on the VOXL2 MINI, i am using J10 pins 4 and 5 respectively for the UART TX and RX.

            1 Reply Last reply
            0
            • M Offline
              M Offline
              McMason
              Regular
              wrote on last edited by McMason
              #6

              @Zachary-Lowell-0 Am I using the wrong serial port? Currently set up with TTYHS0 on J10

              f1e6e745-20ab-415b-bb6e-e5a1074ab810-image.png

              In the guide its showing the QUPs on J19 being connected

              9f406335-3fc6-45cc-a78e-43062a6c2d7b-image.png

              1 Reply Last reply
              0

              Hello! It looks like you're interested in this conversation, but you don't have an account yet.

              Getting fed up of having to scroll through the same posts each visit? When you register for an account, you'll always come back to exactly where you were before, and choose to be notified of new replies (either via email, or push notification). You'll also be able to save bookmarks and upvote posts to show your appreciation to other community members.

              With your input, this post could be even better 💗

              Register Login
              Reply
              • Reply as topic
              Log in to reply
              • Oldest to Newest
              • Newest to Oldest
              • Most Votes


              ModalAI
              Categories Recent Tags ModalAI.com Docs
              © 2026 ModalAI® · Accelerating autonomy for smaller, smarter, safer drones · Powered by NodeBB
              • Login

              • Don't have an account? Register

              • Login or register to search.
              • First post
                Last post
              0
              • Categories
              • Recent
              • Tags
              • Popular
              • Users
              • Groups