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Setting an Identifier to USB ports rather than USB devices


Using ubuntu one with usb modem rather than routerUSB Ports not Recognizing Devices?USB video capture device worked in 13.10, not working 14.04Trouble with devices and USB portsDistinguishing between two similar usb devicesDevices not working with rear USB portsUSB ports malfunction since Lubuntu 16:04 updateUbuntu wants to install on USB rather than hard driveSetting power/control with udevwriting udev rule for USB device













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I would like to create dev rules based on USB ports rather than USB devices.



I have two identical cameras where udevadm info --attribute-walk on both devices shows no differences. My use case would be akin to having one camera to be the left eye of a robot and the other the right eye. I need the feeds to be processed separately. Since I can't bind with information from udevadm as identifiers for my udev rules, I thought it might be possible to map it to a USB port from /sys/bus/usb and always have the cameras plugged in to that port.



I am currently having trouble knowing what information to extract out and the format to add into the camera.rules file.



Suggestions to other methods of solving the problem are more than welcome.









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    I would like to create dev rules based on USB ports rather than USB devices.



    I have two identical cameras where udevadm info --attribute-walk on both devices shows no differences. My use case would be akin to having one camera to be the left eye of a robot and the other the right eye. I need the feeds to be processed separately. Since I can't bind with information from udevadm as identifiers for my udev rules, I thought it might be possible to map it to a USB port from /sys/bus/usb and always have the cameras plugged in to that port.



    I am currently having trouble knowing what information to extract out and the format to add into the camera.rules file.



    Suggestions to other methods of solving the problem are more than welcome.









    share







    New contributor




    Ryan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      I would like to create dev rules based on USB ports rather than USB devices.



      I have two identical cameras where udevadm info --attribute-walk on both devices shows no differences. My use case would be akin to having one camera to be the left eye of a robot and the other the right eye. I need the feeds to be processed separately. Since I can't bind with information from udevadm as identifiers for my udev rules, I thought it might be possible to map it to a USB port from /sys/bus/usb and always have the cameras plugged in to that port.



      I am currently having trouble knowing what information to extract out and the format to add into the camera.rules file.



      Suggestions to other methods of solving the problem are more than welcome.









      share







      New contributor




      Ryan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I would like to create dev rules based on USB ports rather than USB devices.



      I have two identical cameras where udevadm info --attribute-walk on both devices shows no differences. My use case would be akin to having one camera to be the left eye of a robot and the other the right eye. I need the feeds to be processed separately. Since I can't bind with information from udevadm as identifiers for my udev rules, I thought it might be possible to map it to a USB port from /sys/bus/usb and always have the cameras plugged in to that port.



      I am currently having trouble knowing what information to extract out and the format to add into the camera.rules file.



      Suggestions to other methods of solving the problem are more than welcome.







      16.04 usb systemd udev





      share







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      Ryan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







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      Ryan is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








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      asked 2 mins ago









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