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Asked: 2024-09-26T12:14:47+05:30 In:

How can I configure a 3M serial touchscreen on my Ubuntu system? I need guidance on the necessary steps and settings to ensure proper functionality.

I’ve been trying to set up a 3M serial touchscreen on my Ubuntu machine, and I’m honestly feeling a bit lost. I’ve done some research, but the process seems a bit convoluted, and I could really use some help from anyone who’s gone through this before.

First off, I’ve connected the touchscreen to my system via the serial port, and I’m hoping that’s a good start? But after that, things get a bit fuzzy for me. I know I need to install some drivers or maybe configure some settings, but I’m not quite sure where to begin. Has anyone actually done this successfully?

Additionally, I’m aware that touchscreen calibration might be necessary, but again, I have no clue what tools or commands to use in Ubuntu for this. Is there a specific package I should install? Or maybe there’s a user-friendly graphical interface that I’m missing?

Another thing that’s been bugging me is permissions. I’ve heard that sometimes these devices need specific user permissions to function correctly. Should I be adding my user to a certain group, or are there config files I need to tweak?

Once everything is connected, what’s the best way to check if the touchscreen is recognized by Ubuntu? Are there logs or commands I can run to troubleshoot if it’s not working as expected? I’ve attempted to navigate through some system settings, but it’s like wandering in a maze without a map.

If you’ve managed to get a 3M serial touchscreen working on your Ubuntu system, I’d be super grateful for any step-by-step guidance you could provide. Screenshots or command lines would be great, too, since I’m more of a visual learner. Any tips, tricks, or gotchas to be aware of would be really appreciated as well. I’m just trying to get this thing up and running without pulling my hair out! Thanks in advance for any help you can offer!

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    2 Answers



    1. Help with 3M Serial Touchscreen on Ubuntu

      3M Serial Touchscreen Setup on Ubuntu

      Getting your 3M serial touchscreen to work on Ubuntu can feel like a daunting task, but don’t worry, you’re not alone! Here’s a bit of a roadmap to get you started:

      1. Make Sure It’s Connected

      Since you’ve already connected the touchscreen to a serial port, that’s a solid start! Just double-check that the cable is secure.

      2. Install Required Drivers

      You might need some extra packages to get things rolling. Try installing xserver-xorg-input-evdev if you haven’t already. You can do that with:

      sudo apt-get install xserver-xorg-input-evdev

      3. Permissions Issues

      Touchscreen devices may require specific permissions. To add your user to the dialout group, run:

      sudo usermod -a -G dialout $USER

      After that, you’ll need to log out and back in for the changes to take effect.

      4. Checking Device Recognition

      To see if Ubuntu recognizes your touchscreen, you can use the following command in the terminal:

      dmesg | grep tty

      This should show you if the system detects the serial port your touchscreen is connected to.

      5. Calibration

      Calibration is usually needed to ensure your touch is accurately detected. Install xinput-calibrator by running:

      sudo apt-get install xinput-calibrator

      Once installed, run it by just typing xinput_calibrator in the terminal and follow the prompts!

      6. Troubleshooting

      If your touchscreen still doesn’t work, check the logs for errors:

      cat /var/log/Xorg.0.log | grep -i touch

      This can give you hints on what might be going wrong. If you’re not sure about the output, feel free to share it here!

      Tips & Tricks

      • Keep your system updated! Use sudo apt-get update && sudo apt-get upgrade
      • Sometimes simply rebooting helps after installing new drivers or making changes.
      • Look into any documentation from 3M or the specific model for any Linux-specific instructions.

      Just take it one step at a time, and feel free to ask if you hit any snags. Good luck getting your touchscreen up and running!


    2. To set up your 3M serial touchscreen on Ubuntu, you’ve made a good start by connecting it via the serial port. First, you’ll need to ensure that the necessary drivers for your touchscreen are installed. You can do this by using `apt` to search for and install them. Open a terminal and run the following commands:

      sudo apt update
  sudo apt install xserver-xorg-input-evdev

      After installing the driver, you should check if the touchscreen device is recognized. You can do this by running `ls /dev/tty*` to see if your serial device (like `/dev/ttyS0`) appears in the list. Ensure you have permission to access this device; you may need to add your user to the `dialout` group to grant permission:

      sudo usermod -a -G dialout $USER

      Next, you may want to configure touchscreen calibration. Install the `xinput-calibrator` package, which provides graphical user interface tools to help with the calibration process:

      sudo apt install xinput-calibrator

      Run the command `xinput_calibrator` in the terminal, which will guide you through the calibration process. Check the output of `dmesg` or `cat /proc/bus/input/devices` to troubleshoot if the touchscreen is not functioning correctly. This will provide logs related to device detection. Remember to reboot your system after making these changes and test the touchscreen afterward to confirm its functionality. By following these steps, you should be able to get your touchscreen working smoothly. If you encounter any specific error messages or problems, feel free to provide those for more tailored help.

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