touchscreen: initial addon

includes ts_uinput_touch daemon which translates tslib events to uinput
includes belonging touchscreen calibration addon

packages/addons/addon-depends/tslib/package.mk

@@ -0,0 +1,61 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+PKG_NAME="tslib"
+PKG_VERSION="1.1"
+PKG_REV="1"
+PKG_ARCH="any"
+PKG_LICENSE="GPL"
+PKG_SITE="https://github.com/kergoth/tslib"
+PKG_URL="https://github.com/kergoth/tslib/releases/download/1.1/$PKG_NAME-$PKG_VERSION.tar.xz"
+PKG_DEPENDS_TARGET="toolchain evtest"
+PKG_SECTION="service/system"
+PKG_SHORTDESC="Touchscreen access library with ts_uinput_touch daemon."
+PKG_LONGDESC="Touchscreen access library with ts_uinput_touch daemon."
+PKG_AUTORECONF="no"
+
+PKG_IS_ADDON="no"
+
+TSLIB_MODULES_ENABLED="linear dejitter variance pthres ucb1x00 tatung input galax dmc touchkit st1232 waveshare"
+TSLIB_MODULES_DISABLED="arctic2 corgi collie h3600 linear_h2200 mk712 cy8mrln_palmpre"
+TSLIB_BUILD_STATIC="yes"  # no .so files (easy to manage)
+
+pre_configure_target() {
+  local OPTS_MODULES=""
+
+  if [ "$TSLIB_BUILD_STATIC" = "yes" ]; then
+    OPTS_MODULES="--enable-static --disable-shared"
+    for module in $TSLIB_MODULES_ENABLED; do
+      OPTS_MODULES="$OPTS_MODULES --enable-$module=static"
+    done
+  fi
+
+  for module in $TSLIB_MODULES_DISABLED; do
+    OPTS_MODULES="$OPTS_MODULES --disable-$module"
+  done
+
+  PKG_CONFIGURE_OPTS_TARGET="$OPTS_MODULES \
+    --sysconfdir=/storage/.kodi/userdata/addon_data/service.touchscreen"
+}
+
+post_makeinstall_target() {
+  rm -fr $INSTALL/etc
+  rm -fr $INSTALL/storage
+
+  debug_strip $INSTALL/usr/bin
+}

packages/addons/addon-depends/tslib/patches/tslib-02-add-additional-eGalax-touchscreens.patch

@@ -0,0 +1,25 @@
+From f60540a1e0c120dfb6a7452470b3e56bee91c7d7 Mon Sep 17 00:00:00 2001
+From: Dirk Gerdes <dirk.gerdes@googlemail.com>
+Date: Mon, 22 Dec 2014 11:07:13 +0100
+Subject: [PATCH] Added support for additional model of eGalax Touchscreen
+
+---
+ plugins/galax-raw.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/plugins/galax-raw.c b/plugins/galax-raw.c
+index c8689e2..6cacc56 100644
+--- a/plugins/galax-raw.c
++++ b/plugins/galax-raw.c
+@@ -93,8 +93,9 @@ static int ts_galax_check_fd (struct tslib_galax *i)
+ 
+  	if ((ioctl(ts->fd, EVIOCGID, &infos) < 0)) {
+  		fprintf (stderr, "tslib: warning, can not read device identifier\n");
+- 	} else if (infos.bustype != 3 || infos.vendor != 0x0EEF || infos.product != 0x0001) {
+- 		fprintf (stderr, "tslib: this is not an eGalax touchscreen (3,0x0EEF,1,0x0112)\n"
++ 	} else if (infos.bustype != 3 || infos.vendor != 0x0EEF 
++			|| (infos.product != 0x0001 && infos.product != 0x7200 && infos.product != 0x7201 && infos.product != 0xC000)) {
++ 		fprintf (stderr, "tslib: this is not an eGalax touchscreen (3,0x0EEF,1/7200/7201/C000,0x0112)\n"
+  		"Your device: bus=%d, vendor=0x%X, product=0x%X, version=0x%X\n",infos.bustype, infos.vendor, infos.product, infos.version);
+  		return -1;
+  	}

packages/addons/addon-depends/tslib/patches/tslib-06-linear-print-coordinates.patch

@@ -0,0 +1,17 @@
+diff -aurN a/plugins/linear.c b/plugins/linear.c
+--- a/plugins/linear.c	2013-08-08 02:23:04.000000000 +0200
++++ b/plugins/linear.c	2015-09-04 20:21:50.376205701 +0200
+@@ -187,11 +187,11 @@
+ 		for (index = 0; index < 7; index++)
+ 			if (fscanf(pcal_fd, "%d", &lin->a[index]) != 1) break;
+ 		fscanf(pcal_fd, "%d %d", &lin->cal_res_x, &lin->cal_res_y);
+-#ifdef DEBUG
++/*#ifdef DEBUG*/
+ 		printf("Linear calibration constants: ");
+ 		for(index=0;index<7;index++) printf("%d ",lin->a[index]);
+ 		printf("\n");
+-#endif /*DEBUG*/
++/*#endif*/ /*DEBUG*/
+ 		fclose(pcal_fd);
+ 	}
+		

packages/addons/service/touchscreen/addon.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<addon id="@PKG_ADDON_ID@"
+       name="@ADDON_NAME@"
+       version="@ADDON_VERSION@"
+       provider-name="@PROVIDER_NAME@">
+  <requires>
+    <import addon="os.libreelec.tv" version="@OS_VERSION@"/>
+    <import addon="xbmc.python" version="2.1.0"/>
+@REQUIRES@
+  </requires>
+  <extension point="xbmc.service" library="service.py">
+    <provides></provides>
+  </extension>
+  <extension point="xbmc.python.pluginsource" library="calibrate.py">
+    <provides>executable</provides>
+  </extension>
+  <extension point="xbmc.addon.metadata">
+    <summary>@PKG_SHORTDESC@</summary>
+    <description>
+@PKG_LONGDESC@
+    </description>
+    <disclaimer>
+@PKG_DISCLAIMER@
+    </disclaimer>
+    <platform>all</platform>
+    <news>
+@PKG_ADDON_NEWS@
+    </news>
+    <assets>
+      <icon>resources/icon.png</icon>
+      <fanart>resources/fanart.png</fanart>
+@PKG_ADDON_SCREENSHOT@
+    </assets>
+  </extension>
+</addon>

packages/addons/service/touchscreen/changelog.txt

@@ -0,0 +1,2 @@
++100
+- Initial release

packages/addons/service/touchscreen/package.mk

@@ -0,0 +1,57 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+PKG_NAME="touchscreen"
+PKG_VERSION="1.0"
+PKG_REV="100"
+PKG_ARCH="any"
+PKG_LICENSE="GPL"
+PKG_SITE=""
+PKG_URL=""
+PKG_DEPENDS_TARGET="toolchain tslib evtest"
+PKG_SECTION="service"
+PKG_SHORTDESC="Touchscreen: support addon for Touchscreens"
+PKG_LONGDESC="Touchscreen: addon creates new virtual input device and \
+converts data from touchscreen to Kodi. Short tap sends button press event \
+and long tap sends only xy coordinates. Also includes calibration program."
+PKG_AUTORECONF="no"
+
+PKG_IS_ADDON="yes"
+PKG_ADDON_NAME="Touchscreen"
+PKG_ADDON_TYPE="xbmc.service"
+
+make_target() {
+  : # only pack everything
+}
+
+makeinstall_target() {
+  : # only pack everything
+}
+
+addon() {
+  mkdir -p $ADDON_BUILD/$PKG_ADDON_ID/bin
+
+  cp $PKG_DIR/addon.xml $ADDON_BUILD/$PKG_ADDON_ID
+
+  # set version (no need to edit xml file on version bump)
+  $SED -e "s|@ADDON_VERSION@|$ADDON_VERSION.$PKG_REV|g" \
+       -i $ADDON_BUILD/$PKG_ADDON_ID/addon.xml
+
+  cp $(get_build_dir tslib)/.install_pkg/usr/bin/* $ADDON_BUILD/$PKG_ADDON_ID/bin
+  cp $(get_build_dir evtest)/.$TARGET_NAME/evtest  $ADDON_BUILD/$PKG_ADDON_ID/bin
+}

packages/addons/service/touchscreen/source/bin/ts_calibrate.sh

@@ -0,0 +1,71 @@
+#!/bin/sh
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+. /etc/profile
+
+oe_setup_addon service.touchscreen
+
+if [ -d /usr/share/kodi/addons/service.touchscreen ]; then
+  # addon included in image
+  ADDON_DIR="/usr/share/kodi/addons/service.touchscreen"
+fi
+
+. $ADDON_DIR/bin/ts_env.sh
+
+echo "touchscreen device: $TSLIB_TSDEVICE"
+
+if [ "$1" = "service" ]; then
+  # recalibrate from service if required
+  SETTINGS_XML="$ADDON_HOME/settings.xml"
+  if [ -f "$SETTINGS_XML" ]; then
+    mkdir -p /var/config
+    cat "$SETTINGS_XML" | awk -F\" '{print $2"=\""$4"\""}' | sed '/^=/d' > /var/config/ts_calibration_addon.conf
+    . /var/config/ts_calibration_addon.conf
+
+    if [ "$TS_RECALIBRATE" = "true" ]; then
+      sed -i 's|id="TS_RECALIBRATE"[ ]*value="true"|id="TS_RECALIBRATE" value="false"|g' "$SETTINGS_XML"
+      touch $ADDON_HOME/recalibrate
+    fi
+  fi
+
+  if [ -f $ADDON_HOME/recalibrate ]; then
+    echo "recalibrating..."
+    rm -f $ADDON_HOME/recalibrate
+    ts_calibrate
+  fi
+else
+  echo "Stopping Kodi and touchscreen daemon..."
+  systemctl stop kodi
+  systemctl stop ts_uinput_touch
+
+  while pidof kodi.bin &>/dev/null; do
+    sleep 0.5
+  done
+
+  killall ts_uinput_touch &>/dev/null
+
+  ts_calibrate
+
+  # restart both if argument was set
+  if [ "$1" = "run" ]; then
+    echo "Starting touchscreen daemon and Kodi..."
+    systemctl start ts_uinput_touch
+    systemctl start kodi
+  fi
+fi

packages/addons/service/touchscreen/source/bin/ts_env.sh

@@ -0,0 +1,99 @@
+#!/bin/sh
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+. /etc/profile
+
+oe_setup_addon service.touchscreen
+
+if [ -d /usr/share/kodi/addons/service.touchscreen ]; then
+  # addon included in image
+  ADDON_DIR=/usr/share/kodi/addons/service.touchscreen
+fi
+
+if [ ! -f $ADDON_HOME/ts.conf-generic ]; then
+  cp $ADDON_DIR/config/* $ADDON_HOME
+fi
+
+if [ -f $ADDON_HOME/ts_env.sh ]; then
+  # use user supplied script
+  if [ ! -x $ADDON_HOME/ts_env.sh ]; then
+    chmod +x $ADDON_HOME/ts_env.sh
+  fi
+  
+  dos2unix $ADDON_HOME/ts_env.sh
+  dos2unix $ADDON_HOME/ts.conf
+
+  . $ADDON_HOME/ts_env.sh
+else
+  # automatic start only on Udoo dual/quad for ldb screen
+  LDB=""
+  if grep -iq ":dev=ldb" /proc/cmdline; then
+    LDB="yes"
+    # maybe 7" LVDS display
+    modprobe st1232 >/dev/null 2>&1
+  fi
+
+  if [ -n "$LDB" ]; then
+    # find event# with command
+    #  ls -l /dev/input/by-id
+    # or using evtest program
+
+    # st1232 module is always loaded so check for 3M first
+    TS_DEVICE_1="3M 3M USB Touchscreen - EX II"
+    TS_DEVICE_2="st1232-touchscreen"
+    TS_DEVICE_CONF_1="ts.conf-udoo_15_6"
+    TS_DEVICE_CONF_2="ts.conf-udoo_7"
+    TS_DEVICE_CONF_GENERIC="ts.conf-generic"
+
+    #TS_DEVICE="$TS_DEVICE_1" # use specified one, should exist ts.conf for it
+    TS_DEVICE=""  # find one automatically
+    #echo "device: $TS_DEVICE"
+
+    TS_DEVICE_CONF=""
+    if [ -n "$TS_DEVICE" ]; then
+      TSLIB_TSDEVICE=$(echo 999 | evtest 2>&1 >/dev/null | awk -F':' -v TS_DEVICE="$TS_DEVICE" '$0 ~ TS_DEVICE {print $1}')
+      TS_DEVICE_CONF="$TS_DEVICE_CONF_GENERIC"
+    else
+      TSLIB_TSDEVICE=$(echo 999 | evtest 2>&1 >/dev/null | awk -F':' -v TS_DEVICE="$TS_DEVICE_1" '$0 ~ TS_DEVICE {print $1}')
+      if [ -n "$TSLIB_TSDEVICE" ]; then
+        TS_DEVICE_CONF="$TS_DEVICE_CONF_1"
+        rmmod st1232 >/dev/null 2>&1    # it's not
+      else
+        TSLIB_TSDEVICE=$(echo 999 | evtest 2>&1 >/dev/null | awk -F':' -v TS_DEVICE="$TS_DEVICE_2" '$0 ~ TS_DEVICE {print $1}')
+        if [ -n "$TSLIB_TSDEVICE" ]; then
+          TS_DEVICE_CONF="$TS_DEVICE_CONF_2"
+        fi
+      fi
+    fi
+
+    if [ ! -f $ADDON_HOME/ts.conf -a -n "$TS_DEVICE_CONF" ]; then
+      cp "$ADDON_HOME/$TS_DEVICE_CONF" $ADDON_HOME/ts.conf
+    fi
+
+    export TSLIB_TSDEVICE="$TSLIB_TSDEVICE"
+    export TSLIB_PLUGINDIR=$ADDON_DIR/lib
+    export TSLIB_CONSOLEDEVICE=none
+    export TSLIB_FBDEVICE=/dev/fb0
+    export TSLIB_CALIBFILE=$ADDON_HOME/pointercal
+    export TSLIB_CONFFILE=$ADDON_HOME/ts.conf
+
+    #export TSLIB_RES_X=800
+    #export TSLIB_RES_Y=480
+  fi
+fi

packages/addons/service/touchscreen/source/bin/ts_uinput_touch.sh

@@ -0,0 +1,55 @@
+#!/bin/sh
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+. /etc/profile
+
+oe_setup_addon service.touchscreen
+
+if [ -d /usr/share/kodi/addons/service.touchscreen ]; then
+  # addon included in image
+  ADDON_DIR="/usr/share/kodi/addons/service.touchscreen"
+fi
+
+. $ADDON_DIR/bin/ts_env.sh
+
+params=$*
+
+if [ "$1" = "service" ]; then
+  # skip service parameter and daemonize
+  params="-d"
+else
+  # started from command line
+  systemctl stop ts_uinput_touch >/dev/null 2>&1
+  killall ts_uinput_touch >/dev/null 2>&1
+fi
+
+echo "    touchscreen device: '$TSLIB_TSDEVICE'"
+
+if [ -n "$TSLIB_RES_X" -a -n "$TSLIB_RES_Y" ]; then
+  echo "touchscreen resolution: '${TSLIB_RES_X}x${TSLIB_RES_Y}'"
+  params="-x $TSLIB_RES_X -y $TSLIB_RES_Y $params"
+fi
+
+echo "params: .$params."
+if [ ! -x $ADDON_HOME/ts_uinput_touch ]; then
+  ts_uinput_touch $params
+else
+  echo "Using $ADDON_HOME/ts_uinput_touch"
+  $ADDON_HOME/ts_uinput_touch $params
+fi

packages/addons/service/touchscreen/source/calibrate.py

@@ -0,0 +1,157 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+import os
+import socket
+import sys
+from threading import Thread
+import xbmc
+import xbmcgui
+import xbmcaddon
+
+TEXT_ALIGN_LEFT = 0
+TEXT_ALIGN_RIGHT = 1
+TEXT_ALIGN_CENTER_X = 2
+TEXT_ALIGN_CENTER_Y = 4
+TEXT_ALIGN_RIGHT_CENTER_Y = 5
+TEXT_ALIGN_LEFT_CENTER_X_CENTER_Y = 6
+ACTION_PREVIOUS_MENU = 10
+ACTION_BACKSPACE = 92
+
+SOCK_PATH = "/tmp/ts_calibrate.socket"
+TSLIB_EDGE_OFFEST = 50
+CROSSHAIR_IMAGE_SIZE = 23
+CROSSHAIR_IMAGE_OFFSET = 11
+SKIN_WIDTH  = 1280   # we are using 720p skin
+SKIN_HEIGHT =  720
+
+class coordinates:
+  var_x = 0
+  var_y = 0
+
+def server_thread(conn, self):
+  while True:
+    data = conn.recv(128)
+    if not data:
+      break
+
+    self.currentTarget = self.currentTarget + 1
+    if self.currentTarget > 0:
+      self.removeControl(self.targetImage)
+
+    if self.currentTarget == 5:
+      xbmcgui.Dialog().ok("Calibration", "Calibration done.")
+      break
+
+    self.info.setLabel("Touch '" + data + "' crosshair")
+    self.targetImage = xbmcgui.ControlImage(
+      self.touch_points[self.currentTarget].var_x - CROSSHAIR_IMAGE_OFFSET,
+      self.touch_points[self.currentTarget].var_y - CROSSHAIR_IMAGE_OFFSET,
+      CROSSHAIR_IMAGE_SIZE, CROSSHAIR_IMAGE_SIZE,
+      self.crosshair_path, colorDiffuse='0x00000000')
+    self.addControl(self.targetImage)
+
+  # out of loop, close connection
+  conn.close()
+  os.remove(SOCK_PATH)
+  self.retval = 0
+  self.close()
+
+class ts_calibrate(xbmcgui.WindowDialog):
+  def __init__(self):
+    self.retval = 0
+    self.media_path=os.path.join(addon.getAddonInfo('path'), 'resources','media') + '/'
+    self.crosshair_path = self.media_path + 'crosshair.png'
+    self.currentTarget = -1
+
+    self.edge_offset_x = TSLIB_EDGE_OFFEST * SKIN_WIDTH / self.getWidth()
+    self.edge_offset_y = TSLIB_EDGE_OFFEST * SKIN_HEIGHT / self.getHeight()
+
+    self.touch_points = [coordinates() for i in range(5)]
+    self.touch_points[0].var_x = self.edge_offset_x
+    self.touch_points[0].var_y = self.edge_offset_y
+    self.touch_points[1].var_x = SKIN_WIDTH - self.edge_offset_x
+    self.touch_points[1].var_y = self.edge_offset_y
+    self.touch_points[2].var_x = SKIN_WIDTH - self.edge_offset_x
+    self.touch_points[2].var_y = SKIN_HEIGHT - self.edge_offset_y
+    self.touch_points[3].var_x = self.edge_offset_x
+    self.touch_points[3].var_y = SKIN_HEIGHT - self.edge_offset_y
+    self.touch_points[4].var_x = SKIN_WIDTH / 2
+    self.touch_points[4].var_y = SKIN_HEIGHT / 2
+
+    self.background = xbmcgui.ControlImage(0, 0, SKIN_WIDTH, SKIN_HEIGHT,
+          self.media_path + 'background.jpg', colorDiffuse = '0xffffffff')
+    self.addControl(self.background)
+
+    tmp_str  = "Tslib/Kodi calibration utility\n\nTouch crosshair to calibrate"
+    tmp_str += "\n\nresolution: " + str(self.getWidth()) + "x" + str(self.getHeight())
+    tmp_str += "\nskin: " + str(SKIN_WIDTH) + "x" + str(SKIN_HEIGHT)
+
+    self.about = xbmcgui.ControlLabel(
+      10, 80, SKIN_WIDTH, 400,
+      "", textColor = '0xffffffff', font = 'font25', alignment = TEXT_ALIGN_CENTER_X)
+    self.addControl(self.about)
+    self.about.setLabel(tmp_str)
+
+    self.info = xbmcgui.ControlLabel(
+      20, SKIN_HEIGHT/2 - 40,
+      1000, 400,
+      "", textColor = '0xffffffff', font = 'font30', alignment = TEXT_ALIGN_LEFT)
+    self.addControl(self.info)
+    self.info.setLabel("")
+
+    if os.path.exists(SOCK_PATH):
+      os.remove(SOCK_PATH)
+
+    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    sock.bind(SOCK_PATH)
+    sock.listen(1)
+
+    # enter calibration mode
+    os.system("killall -SIGUSR1 ts_uinput_touch")
+
+    print 'Waiting for calibration connection'
+    conn, addr = sock.accept()
+    print 'Calibration connection accepted'
+
+    self.t = Thread(target=server_thread, args=(conn, self,))
+    self.t.start()
+
+  def onAction(self, action):
+    if action == ACTION_PREVIOUS_MENU or action == ACTION_BACKSPACE:
+      self.retval = 0
+      self.close()
+
+addon = xbmcaddon.Addon(id = 'service.touchscreen')
+finished = False
+
+while finished == False:
+  dialog = ts_calibrate()
+  dialog.doModal()
+
+  if dialog.retval == 0:
+    finished = True
+  del dialog
+
+del addon
+# exit calibration mode
+os.system("killall -SIGUSR2 ts_uinput_touch")
+
+if os.path.exists(SOCK_PATH):
+  os.remove(SOCK_PATH)
+      

packages/addons/service/touchscreen/source/config/ts.conf-generic

@@ -0,0 +1,8 @@
+module_raw input grab_events=1
+module pthres pmin=1
+module variance delta=30
+module dejitter delta=100
+
+module linear
+# or use swap_xy parameter to swap axes
+#module linear swap_xy=1

packages/addons/service/touchscreen/source/config/ts.conf-udoo_15_6

@@ -0,0 +1,6 @@
+# Udoo with 15.6" 1366x768 display with 3M USB Touchscreen - EX II
+module_raw input grab_events=1
+module pthres pmin=1
+module variance delta=30
+module dejitter delta=100
+module linear

packages/addons/service/touchscreen/source/config/ts.conf-udoo_7

@@ -0,0 +1,3 @@
+# Udoo with 7" 800x480 display with ST1232 touch controler
+# only st1232 raw input module is used
+module_raw st1232 grab_events=1 invert_y=480

packages/addons/service/touchscreen/source/config/ts.conf-waveshare

@@ -0,0 +1,6 @@
+# len is hidraw data size
+module_raw waveshare len=22
+module pthres pmin=1
+module variance delta=30
+module dejitter delta=100
+module linear

packages/addons/service/touchscreen/source/config/ts_env.sh-sample

@@ -0,0 +1,42 @@
+#!/bin/sh
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+# find touchscreen device by name (substring) using evtest program
+
+#  $ evtest
+#  No device specified, trying to scan all of /dev/input/event*
+#  Available devices:
+#  /dev/input/event0:	Video Bus
+#  /dev/input/event1:	Goodix Capacitive TouchScreen
+#  Select the device event number [0-1]: 
+
+TOUCHSCREEN_NAME="Goodix Capacitive TouchScreen"
+
+TSLIB_TSDEVICE=$(echo 999 | evtest 2>&1 >/dev/null | awk -F':' -v TS_NAME="$TOUCHSCREEN_NAME" '$0 ~ TS_NAME {print $1; exit}')
+export TSLIB_TSDEVICE
+
+export TSLIB_PLUGINDIR=$ADDON_DIR/lib
+export TSLIB_CONSOLEDEVICE=none
+export TSLIB_FBDEVICE=/dev/fb0
+export TSLIB_CALIBFILE=/storage/.kodi/userdata/addon_data/service.touchscreen/pointercal
+export TSLIB_CONFFILE=/storage/.kodi/userdata/addon_data/service.touchscreen/ts.conf
+
+# sometimes needed
+#export TSLIB_RES_X=800
+#export TSLIB_RES_Y=480

packages/addons/service/touchscreen/source/config/ts_env.sh-waveshare

@@ -0,0 +1,62 @@
+#!/bin/sh
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+# change vid/pid for waveshare touchscreen device
+PRODUCT_VID=0EEF
+PRODUCT_PID=0005
+
+# device set directly or find automaticaly at the end of this script
+export TSLIB_TSDEVICE=""
+#export TSLIB_TSDEVICE="/dev/hidrawN"
+
+export TSLIB_PLUGINDIR=$ADDON_DIR/lib
+export TSLIB_CONSOLEDEVICE=none
+export TSLIB_FBDEVICE=/dev/fb0
+export TSLIB_CALIBFILE=/storage/.kodi/userdata/addon_data/service.touchscreen/pointercal
+export TSLIB_CONFFILE=/storage/.kodi/userdata/addon_data/service.touchscreen/ts.conf
+
+export TSLIB_RES_X=800
+export TSLIB_RES_Y=480
+
+
+# find touchscreen device
+if [ "$TSLIB_TSDEVICE" = "" ]; then
+  PRODUCT_VID_PID="0000${PRODUCT_VID}:0000${PRODUCT_PID}"
+  echo "PRODUCT_VID_PID: $PRODUCT_VID_PID"
+
+  hidrawN=""
+  for dev in /sys/class/hidraw/hidraw*/device/uevent; do
+    echo
+    echo "device: $dev"
+
+    HID_ID=$(cat $dev | grep HID_ID | grep "$PRODUCT_VID_PID")
+    if [ -n "$HID_ID" ]; then
+      hidrawN=$(echo $dev | awk -F "/" '{print $5}')
+      hidrawN="/dev/$hidrawN"
+      echo "OK HID_ID: $HID_ID"
+      echo "OK hidrawN: $hidrawN"
+      break
+    fi
+  done
+
+  if [ -n "$hidrawN" ]; then
+    echo "found hidrawN: $hidrawN"
+    export TSLIB_TSDEVICE=$hidrawN
+  fi
+fi

packages/addons/service/touchscreen/source/lock-screen.py

@@ -0,0 +1,48 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+import xbmc
+import xbmcgui
+import xbmcaddon
+
+__scriptid__ = 'service.touchscreen'
+__addon__    = xbmcaddon.Addon(id=__scriptid__)
+_            = __addon__.getLocalizedString
+
+# http://forum.kodi.tv/showthread.php?tid=230766
+def handle_wait(time_to_wait, title, text):
+    dialog = xbmcgui.DialogProgress()
+    ret = dialog.create(' ' + title)
+    secs = 0
+    percent = 0
+    increment = int(100 / time_to_wait)
+
+    while secs < time_to_wait:
+        secs += 1
+        percent = increment*secs
+        secs_left = time_to_wait - secs
+        remaining_display = (_(2030).encode('utf-8')) % secs_left
+        dialog.update(percent, text, "", remaining_display)
+        xbmc.sleep(1000)
+
+    dialog.close()
+    return False
+
+# how long to lock the screen
+lock_secs = 30
+handle_wait(lock_secs, _(2010).encode('utf-8'), _(2020).encode('utf-8'))

packages/addons/service/touchscreen/source/resources/language/English/strings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<strings>
+  <string id="1000">General</string>
+  <string id="1010">Recalibrate after reboot</string>
+  <string id="1020">Clean screen</string>
+
+  <string id="2010">Touchscreen</string>
+  <string id="2020">Now you can safely clean the screen.</string>
+  <string id="2030">Still %d seconds left.</string>
+</strings>

packages/addons/service/touchscreen/source/resources/language/German/strings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<strings>
+  <string id="1000">Allgemein</string>
+  <string id="1010">Nach einem Neustart neu kalibrieren</string>
+  <string id="1020">Touchscreen reinigen</string>
+
+  <string id="2010">Touchscreen</string>
+  <string id="2020">Sie können jetzt den Touchscreen sicher reinigen.</string>
+  <string id="2030">Noch %d Sekunden übrig.</string>
+</strings>

packages/addons/service/touchscreen/source/resources/settings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<settings>
+  <category label="1000" >
+    <setting type="sep" />
+    <setting label="1010" id="TS_RECALIBRATE" type="bool" default="false" />
+    <setting label="1020" id="clean_screen" type="action" option="close" action="RunScript($CWD/lock-screen.py)" />
+  </category>
+</settings>

packages/addons/service/touchscreen/source/service.py

@@ -0,0 +1,17 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016 Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################

packages/addons/service/touchscreen/source/system.d/service.touchscreen.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Touchscreen support daemon
+After=graphical.target
+Before=kodi.target
+
+[Service]
+Type=oneshot
+Environment=HOME=/storage
+ExecStartPre=-/bin/sh -c "exec /bin/sh /storage/.kodi/addons/service.touchscreen/bin/ts_calibrate.sh service"
+ExecStart=-/bin/sh -c    "exec /bin/sh /storage/.kodi/addons/service.touchscreen/bin/ts_uinput_touch.sh service"
+RemainAfterExit=yes
+
+[Install]
+WantedBy=kodi.target