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Thread: Almost working, touschscreen on 12.04 ubuntu precise

  1. #1
    Join Date
    Jun 2010
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    21

    Almost working, touschscreen on 12.04 ubuntu precise

    Moving a finger across the screen is showing characters when monitoring with cat.

    First how it doesn't work:
    I excpected the command
    sudo cat /dev/ttyS4
    to cause random characters to appear as an interpretation of the data stream when moving fingers across the screen. Instead I'm getting "Device or resource busy"

    Not sure why, the touchscreen doesn't load as ttyS4, but using dmesg shows it is mounted at tty/ttys$/serio1/input/input4

    What does work is
    sudo cat /dev/input/event4

    It works as far as showing random looking characters as a finger is drawn across the screen. However, the mouse pointer doesn't move. It's good to know that Ubuntu can see the touchscreen and data is being sent.


    How do I finish configuring ubuntu for this device?

  2. #2
    Join Date
    Jun 2010
    Beans
    21

    Re: Almost working, touschscreen on 12.04 ubuntu precise

    Quote Originally Posted by deport View Post
    Moving a finger across the screen is showing characters when monitoring with cat.

    First how it doesn't work:
    I excpected the command
    sudo cat /dev/ttyS4
    to cause random characters to appear as an interpretation of the data stream when moving fingers across the screen. Instead I'm getting "Device or resource busy"

    Not sure why, the touchscreen doesn't load as ttyS4, but using dmesg shows it is mounted at tty/ttys$/serio1/input/input4

    What does work is
    sudo cat /dev/input/event4

    It works as far as showing random looking characters as a finger is drawn across the screen. However, the mouse pointer doesn't move. It's good to know that Ubuntu can see the touchscreen and data is being sent.


    How do I finish configuring ubuntu for this device?
    It is also working /dev/input/mouse1

    mouse0 is the regular mouse.

    The touchscreen "works", sending info via cat. But it is as if X does not know that there is a touchscreen.

  3. #3
    Join Date
    Jun 2010
    Beans
    21

    Re: Almost working, touschscreen on 12.04 ubuntu precise

    marked thread as solved. Posted in wrong forum.

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