VOXL

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  Bluetooth/BLE communication on the VOXL - is it possible?
  • amitga  

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  Thanks for the replies. The use case is low-bandwidth, short range communication to the VOXL using low-energy devices, which only have BLE.
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  VOXL-UVC-Server on QGC latency & ethernet
  • Rowin Leemeijer  

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  It sounds like QGC is buffering, have you reached out to the QGC team? The VOXL is a Linux device with standard Linux networking. You should be able to use standard Linux routing techniques to route your IP traffic
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  Partition is larger than filesystem; issue resizing filesystem
  • John Nomikos  

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  We will have to look into this, we don't have any good answer
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  VOXL heatsink
  • Nikhil Rane  

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  @Chad-Sweet has anyone tested the negative temp rating. Hoping to see a -20 c.
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  Voxl Streamer implementation with rtmp or dash streaming protocol
  • Hammas Ali  

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  @Hammas-Ali Yes, those would all be great features but we have not implemented them at this time. However, we may be able to provide guidance on the streaming re-connection issue. I'll ask some of our team members to take a look.
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  Problems with voxl-uvc-server
  • amitga  

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  @amitga Yes you can. That code shouldn't be there since it prevents the exact use case that you are trying to run.
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  VOXL is in station mode, but doesn't connect to WiFi
  • Steve Sager  

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  @Steve-Sager It may be possible to do a manual workaround but if you're planning on communicating with the drone via. WiFi it would be nice to get that going first
• A

  Wifi unstable with latest VOXL 1 Platform image 0.9
  • amitga  

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  There should not be any difference in wifi performance between the two images. We only have the wifi driver as binary and do not have access to the source code. WiFi issues are almost always interference related. Maybe the channel changed? Can you look at a wifi analyzer app using your smartphone to see that it's on an open channel?
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  mpa to ros voxl-tag detector
  • Mostafa Nikpour  

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  @Alex-Gardner Is there any way to get the tag X.Y.Z coords in ROS?
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  UVC USB Camera glitchy
  • Rowin Leemeijer  

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  Hi, We did a bit of digging and this was an issue with portal's handling of YUV422 images (which is a supported feature but we hadn't tested since we rarely see images in this format). If you look at the image from the uvc camera in voxl-streamer everything should look fine, and if you update your portal to >=v0.4.2 (this will be included in our next software release) everything should look fine.
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  Start .sh script on boot
  • Henry Cappel  

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  Thanks so much!! This is super easy solution
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  MAVLink 1
  • JP Drone  

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  @Eric-Katzfey Yes, it works. I am not sure if changing the settings on the GCS side will affect the connection to other copter. But now it seems fine. Thanks.
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  How to get the VOXL-Logger files to my computer?
  • Sem Andeweg  

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  Also note that usb file transfers are much faster dealing with a single large file than hundreds of smaller ones, and the logging of camera images through voxl-logger currently saves each image in it's own file, so it's usually much faster to tar/zip a log folder and then pull the tarball.
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  USB2.0 to Ethernet
  • Rowin Leemeijer  

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  @Rowin-Leemeijer Oops forgot to stop the link: https://www.cablecreation.com/collections/usb-2-0-3-0/products/usb-ethernet-adapter
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  How To Set VIO Position Offset?
  • John Nomikos  

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  Scratch that. We tested more in a GPS rich environment and are seeing similar yaw features. This might just be an issue with the hardware pitch. Will investigate level horizon in air calibration seen here: https://docs.modalai.com/calibrate-px4-horizon/
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  Mavproxy OK when Vision is not needed?
  • tangotoo  

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  @Alex-Gardner that did it! We definitely need to update the docs. I was going over all the Voxl Vision docs I could find and I don't recall seeing anything about voxl-mavlink-server. A flowchart might be nice, I ran into a similar issue with Voxl Camera Streamer and the camera server service, but I figured that one out thanks to the docs.
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  voxl-modem version 0.15.1 does not change eth0 inet address (voxl_platform_3.8.0-0.7)
  • John Nomikos  

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  added note here: https://docs.modalai.com/microhard-add-on-manual/
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  RC receiver 5VDC supply port other than J9 in flight core
  • Anubhav  

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  Hi @Anubhav , That's very odd that J8 is not working. It's a hard short to the 5V power subsystem that feeds the board. There is no limitation I can see that would prevent that. I know for Spektrum based receivers, there is a specific 3.3V power sequence and bit-wiggling that occurs for binding (through Flight Core J12), so I'm not sure if your receiver is expecting something similar and does not like the "always on" 5V on M0018 J8 and J9. The 4G LTE modem M0030 ports J5 and J6 are safe to use. They expose a 500mA limited 5V to those pins. They are USB2 ports @500ma, with USB HS data on pins 2/3, and DGND on Pin 4. They are turned on sometime after power-on once the hub enumerates with Voxl, so I wonder if that delay ON time is what is helping your receiver bind and communicate properly. You might be venturing into a Software domain which I am not an expert in, so if just knowing that J5 and J6 are "safe" and this works for you, then great! If not, we may need to pull in some SW folks to dig deeper. Thanks! Vinny
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  VOXL flight deck not connecting to QGC
  • manan gupta  

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  Hi, After inspecting services, this was the output. I can see the mavlink server is neither enabled nor running. voxl:/$ voxl-inspect-services Service Name | Enabled | Running | CPU Usage --------------------------------------------------------------- docker-autorun | Disabled | Not Running | docker-daemon | Disabled | Not Running | modallink-relink | Disabled | Not Running | voxl-camera-server | Disabled | Not Running | voxl-cpu-monitor | Disabled | Not Running | voxl-dfs-server | Disabled | Not Running | voxl-imu-server | Disabled | Not Running | voxl-mavlink-server | Disabled | Not Running | voxl-modem | Disabled | Not Running | voxl-portal | Disabled | Not Running | voxl-qvio-server | Disabled | Not Running | voxl-streamer | Disabled | Not Running | voxl-tag-detector | Disabled | Not Running | voxl-tflite-server | Disabled | Not Running | voxl-time-sync | Disabled | Not Running | voxl-vision-px4 | Enabled | Not Running | voxl-wait-for-fs | Enabled | Completed | I tried starting the service using systemctl and this was the output. voxl:/$ systemctl start voxl-mavlink-server voxl:/$ voxl-inspect-services Service Name | Enabled | Running | CPU Usage --------------------------------------------------------------- docker-autorun | Disabled | Not Running | docker-daemon | Disabled | Not Running | modallink-relink | Disabled | Not Running | voxl-camera-server | Disabled | Not Running | voxl-cpu-monitor | Disabled | Not Running | voxl-dfs-server | Disabled | Not Running | voxl-imu-server | Disabled | Not Running | voxl-mavlink-server | Disabled | Running | 0.0 voxl-modem | Disabled | Not Running | voxl-portal | Disabled | Not Running | voxl-qvio-server | Disabled | Not Running | voxl-streamer | Disabled | Not Running | voxl-tag-detector | Disabled | Not Running | voxl-tflite-server | Disabled | Not Running | voxl-time-sync | Disabled | Not Running | voxl-vision-px4 | Enabled | Not Running | voxl-wait-for-fs | Enabled | Completed | after configuring the voxl in softap mode, and connecting to it, the issue persists. Would downgrading the software release to VOXL Platform 3.6.0-0.5.0 help? Thanks
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  voxl-camera-server.conf
  • m1baldwin  

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