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  4. Vio low frequency in Qgroundcontrol/ rc slow response

Vio low frequency in Qgroundcontrol/ rc slow response

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  • S Offline
    S Offline
    stevedan
    Regular
    wrote on last edited by
    #1

    @Eric-Katzfey Maybe you can help me fixed but the vio result on Qgroundcontrol is streaming at 1hz, and the reaction speed of the remote control on Qgroundcontrol is really bad. It reacts slow, is there something I am doing wrong
    da55f918-135a-4636-a2b4-8bfb0f634445-image.png

    What is strange is that from the drone, the vio data ms is fine voxl2:~$ voxl-inspect-qvio
    waiting for server

    dt(ms) | T_imu_wrt_vio (m) |Roll Pitch Yaw (deg)|features|quality| state| error_codes |
    29.3 | -0.00 -0.00 -0.00| -0.0 0.0 0.0| 28 | 27% | OKAY |

    This is a video of what I mean-> https://drive.google.com/drive/folders/122cPZ1S3Z_gP0yo8nipRGJHqpJTSj9c3?usp=sharing

    Eric KatzfeyE 1 Reply Last reply
    0
    • S stevedan

      @Eric-Katzfey Maybe you can help me fixed but the vio result on Qgroundcontrol is streaming at 1hz, and the reaction speed of the remote control on Qgroundcontrol is really bad. It reacts slow, is there something I am doing wrong
      da55f918-135a-4636-a2b4-8bfb0f634445-image.png

      What is strange is that from the drone, the vio data ms is fine voxl2:~$ voxl-inspect-qvio
      waiting for server

      dt(ms) | T_imu_wrt_vio (m) |Roll Pitch Yaw (deg)|features|quality| state| error_codes |
      29.3 | -0.00 -0.00 -0.00| -0.0 0.0 0.0| 28 | 27% | OKAY |

      This is a video of what I mean-> https://drive.google.com/drive/folders/122cPZ1S3Z_gP0yo8nipRGJHqpJTSj9c3?usp=sharing

      Eric KatzfeyE Offline
      Eric KatzfeyE Offline
      Eric Katzfey
      ModalAI Team
      wrote on last edited by
      #2

      @stevedan Is this with original code or with the new code I just provided?

      S 2 Replies Last reply
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      • Eric KatzfeyE Eric Katzfey

        @stevedan Is this with original code or with the new code I just provided?

        S Offline
        S Offline
        stevedan
        Regular
        wrote on last edited by
        #3

        @Eric-Katzfey with the new code. I just calibrated and followed the steps on the sentinel integration page.

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        • Eric KatzfeyE Eric Katzfey

          @stevedan Is this with original code or with the new code I just provided?

          S Offline
          S Offline
          stevedan
          Regular
          wrote on last edited by
          #4

          @Eric-Katzfey i used the software binding for the rc and setup the voxl px4 vision hub as usual.

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          • James StrawsonJ Offline
            James StrawsonJ Offline
            James Strawson
            ModalAI Team
            wrote on last edited by
            #5

            @stevedan

            That's correct. QGC gets a low data rate stream for telemetry only, devices onboard VOXL can access much higher data rates without the wireless link bottleneck.

            The "normal" telemetry mavlink data rates are defined by PX4 here:
            https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1490

            The faster "onboard" data rates are defined here:
            https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1545

            From a VOXL shell, you can use the new voxl-inspect-mavlink tool to see the actual data rates being sent by PX4.

            voxl-inspect-mavlink mavlink_to_gcs
            voxl-inspect-mavlink mavlink_onboard
            

            Note, the configuration for the mavlink-to-gcs broadcaster lives here
            https://github.com/modalai/px4-firmware/blob/voxl-dev/boards/modalai/voxl2/target/voxl-px4-start#L191

            S 2 Replies Last reply
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            • James StrawsonJ James Strawson

              @stevedan

              That's correct. QGC gets a low data rate stream for telemetry only, devices onboard VOXL can access much higher data rates without the wireless link bottleneck.

              The "normal" telemetry mavlink data rates are defined by PX4 here:
              https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1490

              The faster "onboard" data rates are defined here:
              https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1545

              From a VOXL shell, you can use the new voxl-inspect-mavlink tool to see the actual data rates being sent by PX4.

              voxl-inspect-mavlink mavlink_to_gcs
              voxl-inspect-mavlink mavlink_onboard
              

              Note, the configuration for the mavlink-to-gcs broadcaster lives here
              https://github.com/modalai/px4-firmware/blob/voxl-dev/boards/modalai/voxl2/target/voxl-px4-start#L191

              S Offline
              S Offline
              stevedan
              Regular
              wrote on last edited by stevedan
              #6

              @James-Strawson, is this documented somewhere because this change is different from the previous versions and it might seem like a problem when it isn't. I will fly the drone on Tuesday and give update on this.

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              • James StrawsonJ James Strawson

                @stevedan

                That's correct. QGC gets a low data rate stream for telemetry only, devices onboard VOXL can access much higher data rates without the wireless link bottleneck.

                The "normal" telemetry mavlink data rates are defined by PX4 here:
                https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1490

                The faster "onboard" data rates are defined here:
                https://github.com/PX4/PX4-Autopilot/blob/main/src/modules/mavlink/mavlink_main.cpp#L1545

                From a VOXL shell, you can use the new voxl-inspect-mavlink tool to see the actual data rates being sent by PX4.

                voxl-inspect-mavlink mavlink_to_gcs
                voxl-inspect-mavlink mavlink_onboard
                

                Note, the configuration for the mavlink-to-gcs broadcaster lives here
                https://github.com/modalai/px4-firmware/blob/voxl-dev/boards/modalai/voxl2/target/voxl-px4-start#L191

                S Offline
                S Offline
                stevedan
                Regular
                wrote on last edited by
                #7

                @James-Strawson Is it possible to modify this rates?

                Eric KatzfeyE 1 Reply Last reply
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                • S stevedan

                  @James-Strawson Is it possible to modify this rates?

                  Eric KatzfeyE Offline
                  Eric KatzfeyE Offline
                  Eric Katzfey
                  ModalAI Team
                  wrote on last edited by
                  #8

                  @stevedan The mavlink rates are all configured in /usr/bin/voxl-px4-start. Look at the end of that file. You can change it to whatever you like.

                  S 1 Reply Last reply
                  1
                  • Eric KatzfeyE Eric Katzfey

                    @stevedan The mavlink rates are all configured in /usr/bin/voxl-px4-start. Look at the end of that file. You can change it to whatever you like.

                    S Offline
                    S Offline
                    stevedan
                    Regular
                    wrote on last edited by
                    #9

                    @Eric-Katzfey Thanks, problem solved.

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