Need help with extcommands.xml

Comments

• Repetier

  July 2017

  Does that also store the calibration commands in the right config? The calibrators I know just output the code that you would need to paste into the right file.
  
  Your problem is a bit difficult.
  1. Always use absolute path names. sudo and bash might be somehwere but server will start it only with correct full path.
  2. sudo normally requires entering a password which is not possible here. See the docs how we added shutdown to sodoes list with no password.
  3. You should better make a script doing everything and call that script. So you put that scriptname into sudoer list instead of /bin/bash. You might also need to set DISPLAY to :0 in the script to tell the command what display to calibrate.
• overdrive

  July 2017

  Due to my limited knowledge of linux I recognise that my problem is difficult. In terms of your points 2 and 3 I understand what is required but have no clue how to do it.
  
  The script /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh contains the following:
  #!/bin/sh
  
  # script to make the changes permanent (xinput is called with every Xorg start)
  #
  # can be used from Xsession.d
  # script needs tee and sed (busybox variants are enough)
  #
  # original script: Martin Jansa <Martin.Jansa@gmail.com>, 2010-01-31
  # updated by Tias Guns <tias@ulyssis.org>, 2010-02-15
  # updated by Koen Kooi <koen@dominion.thruhere.net>, 2012-02-28
  
  rm /etc/pointercal.xinput
  
  PATH="/usr/bin:$PATH"
  
  BINARY="xinput_calibrator"
  CALFILE="/etc/pointercal.xinput"
  LOGFILE="/var/log/xinput_calibrator.pointercal.log"
  
  if [ -e $CALFILE ] ; then
    if grep replace $CALFILE ; then
      echo "Empty calibration file found, removing it"
      rm $CALFILE
    else
      echo "Using calibration data stored in $CALFILE"
      . $CALFILE && exit 0
    fi
  fi
  
  CALDATA=`DISPLAY=:0.0 xinput_calibrator --output-type xinput -v | grep '    xinput set' | sed 's/^    //g; s/$/;/g'`
  if [ ! -z "$CALDATA" ] ; then
    echo $CALDATA > $CALFILE
    echo "Calibration data stored in $CALFILE (log in $LOGFILE)"
  fi
  
  
  
  
  
  
• Repetier

  July 2017

  Also that file writes to the calibration file it looks to me as it would do this only if the file does not exists, so on a second run even manually it will not do a new calibration.
  
  If you delete
  if [ -e $CALFILE ] ; then
    if grep replace $CALFILE ; then
      echo "Empty calibration file found, removing it"
      rm $CALFILE
    else
      echo "Using calibration data stored in $CALFILE"
      . $CALFILE && exit 0
    fi
  fi
  
  It would always make a new calibration file. Good news is that it is the script I wanted you to write as it does everything and even sets display. So change you command to
  
  /usr/bin/sudo /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh
  
  and add /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh to the no password question list for repetierserver user as shown for the shutdown command in the server docs.
• overdrive

  July 2017 edited July 2017

  Thank you very much for the assistance!!
  If the lcd was not calibrated at all, it will do the lcd calibration automatically.
  From the server commands menu I can manually start the screen calibration.
  
  For those with resistive touch screen lcd pannels on a Pi that want touch screen calibration easily, I did this:
  
  Tested on:
   5" HDMI touch scren with XPT2046 touch
   5" HDMI touch scren with ADS7846 touch
  3.5" RPi SPI display with XPT2046 touch (horrible display)
  
  Install xinput-calibrator
  

  • sudo apt-get update

  • sudo apt-get install -y libts-bin evtest xinput python-dev python-pip

  • sudo pip install evdev

  • sudo apt-get install -y xinput-calibrator

  
  from http://ozzmaker.com/enable-x-windows-on-piscreen/
  Download and setup the calibration script

  • cd ~

  • wget http://ozzmaker.com/piscreen/xinput_calibrator_pointercal.sh

  • sudo cp ~/xinput_calibrator_pointercal.sh /etc/X11/Xsession.d/xinput_calibrator_pointercal.sh

  • sudo chmod +x /etc/X11/Xsession.d/xinput_calibrator_pointercal.sh

  Make the script run wen you boot
  edit /home/pi/.xinitrc
  
  

  • sudo nano /home/pi/.xinitrc

  add
  sudo bash /etc/X11/Xsession.d/xinput_calibrator_pointercal.sh &
  before exec openbox-session
  and save.
  
  Modify the script to select the correct display:
  

  • sudo nano /etc/X11/Xsession.d/xinput_calibrator_pointercal.sh

  modify the line
  CALDATA=`xinput_calibrator --output-type xinput -v | grep '    xinput set' | sed 's/^    //g; s/$/;/g'`
  to
  CALDATA=`DISPLAY=:0.0 xinput_calibrator --output-type xinput -v | grep '    xinput set' | sed 's/^    //g; s/$/;/g'`
  and save.
  
  Copy the script and modify it for manual use
  
  sudo cp  /etc/X11/Xsession.d/xinput_calibrator_pointercal.sh /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh
  
  Edit the script and remove the check
  

  • sudo nano /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh

  remove this section form the file:
  if [ -e $CALFILE ] ; then
    if grep replace $CALFILE ; then
      echo "Empty calibration file found, removing it"
      rm $CALFILE
    else
      echo "Using calibration data stored in $CALFILE"
      . $CALFILE && exit 0
    fi
  fi
  and save.
  
  

  Add  the following to extcommands.xml:
  <command>
          <name>Calibrate Touch Panel</name>
          <execute>/usr/bin/sudo /bin/sh /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh</execute>
          <confirm>Really calibrate touch screen?</confirm>
                  <local>true</local>
                  <remote>true</remote>
                  <print-permission>true</print-permission>
                  <add-permission>true</add-permission>
                  <del-permission>true</del-permission>
                  <config-permission>true</config-permission>
      </command>
  
  Add RepetierServer to the list of allowed users

  • sudo -s

  • echo "repetierserver ALL=NOPASSWD: /bin/sh" > /etc/sudoers.d/repetierserver-sh

  • echo "repetierserver ALL=NOPASSWD: /etc/X11/Xsession.d/xinput_calibrator_pointercal_wipe.sh" > /etc/sudoers.d/repetierserver-cal