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  3. External MAVLink Connection using VOXL 2 through ttyHS1

External MAVLink Connection using VOXL 2 through ttyHS1

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  • Jeremy FrederickJ Offline
    Jeremy FrederickJ Offline
    Jeremy Frederick
    Regular
    wrote on last edited by
    #1

    I'm looking to establish an external MAVLink connection to the voxl-px4 service on VOXL 2 through the ttyHS1 of the USB3 expansion board. I'm looking to integrate a third party RemoteID module, and am not implementing an external flight controller.

    All the documentation and questions on the forum I could find seem to reference an external flight controller use case, or an internal MAVROS/MAVSDK use case. How do I go about configuring the mavlink-server to output MAVLink on this external UART while maintaining the VOXL 2's PX4 capability.

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    • Zachary Lowell 0Z Offline
      Zachary Lowell 0Z Offline
      Zachary Lowell 0
      ModalAI Team
      wrote on last edited by
      #2

      @Jeremy-Frederick said in External MAVLink Connection using VOXL 2 through ttyHS1:

      I'm looking to establish an external MAVLink connection to the voxl-px4 service on VOXL 2 through the ttyHS1 of the USB3 expansion board. I'm looking to integrate a third party RemoteID module, and am not implementing an external flight controller.

      @Jeremy-Frederick voxl-mavlink-server is meant to act similar to mavlink-router where it can route traffic (two way comms) between a specific port or hardline. How are you connecting to your remoteID module? Over the UART I would presume as that is the only way to send those packets. If you are using the USB3.0 port instead then you will need to either edit voxl-mavlink-server or create a mavlink-router to route the traffic to that port.

      A bit more information on your setup would be great!
      Zach

      Jeremy FrederickJ 1 Reply Last reply
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      • Zachary Lowell 0Z Zachary Lowell 0

        @Jeremy-Frederick said in External MAVLink Connection using VOXL 2 through ttyHS1:

        I'm looking to establish an external MAVLink connection to the voxl-px4 service on VOXL 2 through the ttyHS1 of the USB3 expansion board. I'm looking to integrate a third party RemoteID module, and am not implementing an external flight controller.

        @Jeremy-Frederick voxl-mavlink-server is meant to act similar to mavlink-router where it can route traffic (two way comms) between a specific port or hardline. How are you connecting to your remoteID module? Over the UART I would presume as that is the only way to send those packets. If you are using the USB3.0 port instead then you will need to either edit voxl-mavlink-server or create a mavlink-router to route the traffic to that port.

        A bit more information on your setup would be great!
        Zach

        Jeremy FrederickJ Offline
        Jeremy FrederickJ Offline
        Jeremy Frederick
        Regular
        wrote on last edited by
        #3

        @Zachary-Lowell-0 I'm attempting to communicate through the UART ttyHS1 that is made available on the USB expansion board.

        Eric KatzfeyE 1 Reply Last reply
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        • Jeremy FrederickJ Jeremy Frederick

          @Zachary-Lowell-0 I'm attempting to communicate through the UART ttyHS1 that is made available on the USB expansion board.

          Eric KatzfeyE Offline
          Eric KatzfeyE Offline
          Eric Katzfey
          ModalAI Team
          wrote on last edited by
          #4

          @Jeremy-Frederick Without going through the voxl-mavlink-server source code in detail I'm pretty sure that what you want to do is not currently supported. So, some new functionality will likely need to be added to voxl-mavlink-server. What third party unit are you trying to integrate with? Does it require bi-directional traffic or does it just send out packets and not expect to receive anything?

          Jeremy FrederickJ 1 Reply Last reply
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          • Eric KatzfeyE Eric Katzfey

            @Jeremy-Frederick Without going through the voxl-mavlink-server source code in detail I'm pretty sure that what you want to do is not currently supported. So, some new functionality will likely need to be added to voxl-mavlink-server. What third party unit are you trying to integrate with? Does it require bi-directional traffic or does it just send out packets and not expect to receive anything?

            Jeremy FrederickJ Offline
            Jeremy FrederickJ Offline
            Jeremy Frederick
            Regular
            wrote on last edited by
            #5

            @Eric-Katzfey Dronetag DRI, It expects to accept MAVLink data from the flight controller.

            Eric KatzfeyE 1 Reply Last reply
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            • Jeremy FrederickJ Jeremy Frederick

              @Eric-Katzfey Dronetag DRI, It expects to accept MAVLink data from the flight controller.

              Eric KatzfeyE Offline
              Eric KatzfeyE Offline
              Eric Katzfey
              ModalAI Team
              wrote on last edited by
              #6

              @Jeremy-Frederick Okay, well then you will need to add support for such an external Mavlink enabled peripheral into voxl-mavlink-server. We don't currently support that.

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