FaultyTouch

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  • #3977
    FaultyTouch
    Participant

    I didn’t miss the sudo. I’m logged in as the root user.

    I’m assuming you meant to edit /boot/config.txt. Doing so results in no change for the vcdbg command, and still no data while running evtest.

    #3944
    FaultyTouch
    Participant

    #vcdbg log msg gives:

    Unable to determine the value of __LOG_START
    Unable to read logging_header from 0x00000000

    cat /boot/config.txt gives:

    # uncomment if you get no picture on HDMI for a default "safe" mode
    #hdmi_safe=1
    # uncomment this if your display has a black border of unused pixels visible
    # and your display can output without overscan
    #disable_overscan=1
    # uncomment the following to adjust overscan. Use positive numbers if console
    # goes off screen, and negative if there is too much border
    #overscan_left=16
    #overscan_right=16
    #overscan_top=16
    #overscan_bottom=16
    # uncomment to force a console size. By default it will be display's size minus
    # overscan.
    #framebuffer_width=1280
    #framebuffer_height=720
    # uncomment if hdmi display is not detected and composite is being output
    #hdmi_force_hotplug=1
    # uncomment to force a specific HDMI mode (this will force VGA)
    #hdmi_group=1
    #hdmi_mode=1
    # uncomment to force a HDMI mode rather than DVI. This can make audio work in
    # DMT (computer monitor) modes
    #hdmi_drive=2
    # uncomment to increase signal to HDMI, if you have interference, blanking, or
    # no display
    #config_hdmi_boost=4
    # uncomment for composite PAL
    #sdtv_mode=2
    #uncomment to overclock the arm. 700 MHz is the default.
    #arm_freq=800
    # for more options see http://elinux.org/RPi_config.txt
    gpu_mem=16
    dtparam=spi=on
    dtoverlay=piscreen,speed=16000000,rotate=90

    cat /etc/modules gives:

    # /etc/modules: kernel modules to load at boot time.
    #
    # This file contains the names of kernel modules that should be loaded
    # at boot time, one per line. Lines beginning with "#" are ignored.
    # Parameters can be specified after the module name.
    snd-bcm2835

    Running evtest starts the program, but tapping on the screen generates no data.

    #3932
    FaultyTouch
    Participant

    Hi Mark,

    Thank you for the prompt response!

    Unfortunately, I’ve already tried with the prebuilt image. It gives me the same issue.

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