From ce6e58b5e61e7c951bf12ec46ab1031c67c3588a Mon Sep 17 00:00:00 2001
From: Christian Rotzoll <christian@geektank.de>
Date: Tue, 3 Sep 2019 15:23:02 +0200
Subject: [PATCH] #646 rotate touchscreen

---
 README.md                                     |  6 ++++--
 .../config.scripts/blitz.touchscreen.sh       | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index e5d26c9d0..e1992157b 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ SHA-256: d62dad4c93b581153554bd02ce7566d37c0d9fd213a7865bc11deb5fe3115b13
 
 if you need details, see here: https://www.raspberrypi.org/documentation/installation/installing-images/README.md
 
-* [How to update my RaspiBlitz?](FAQ.md#how-to-update-my-raspiblitz-after-version-098)
+* [How to update my RaspiBlitz?](FAQ.md#how-to-update-my-raspiblitz-from-v12)
 * [Whats new in Version 1.3 of RaspiBlitz?](FAQ.md#whats-new-in-version-13-of-raspiblitz)
 
 ## Boot your RaspiBlitz
@@ -144,7 +144,9 @@ If you run into a problem or you have still a question, follow the steps below t
 
 4. Check the RaspiBlot Troubleshoort guide: https://stadicus.github.io/RaspiBolt/raspibolt_70_troubleshooting.html (RaspiBolt is very similar to the RaspiBlitz)
 
-5. If you havent found an answere yet, open a new issue on the RaspiBlitz GitHub. You may have to register an account with GitHub for this. If its a bug with the RaspiBlitz, please add (copy+paste) a Debug Report to your issue (see [FAQ](FAQ.md) how to generate) and/or add some screenshots/photos so the community gets more insight into your problem.
+5. There is a Telegram Group of RaspiBlitz users helping each other: https://t.me/raspiblitz 
+
+6. If you havent found an answere yet, open a new issue on the RaspiBlitz GitHub. You may have to register an account with GitHub for this. If its a bug with the RaspiBlitz, please add (copy+paste) a Debug Report to your issue (see [FAQ](FAQ.md) how to generate) and/or add some screenshots/photos so the community gets more insight into your problem.
 
 ## Setup Process (Detailed Documentation)
 
diff --git a/home.admin/config.scripts/blitz.touchscreen.sh b/home.admin/config.scripts/blitz.touchscreen.sh
index 42a6883c7..8b3c6aec7 100644
--- a/home.admin/config.scripts/blitz.touchscreen.sh
+++ b/home.admin/config.scripts/blitz.touchscreen.sh
@@ -58,6 +58,22 @@ EOF
   # Remove 00infoLCD.sh from .bashrc of pi user
   sudo sed -i s'/exec $SCRIPT/#exec $SCRIPT/' /home/pi/.bashrc
 
+  # rotate touchscreen based on if LCD is rotated
+  if [ "${lcdrotate}" = "1" ]; then
+    echo "LCD is rotated into default - no touchscreen rotate"
+  else
+    echo "Activate Touchscreen Rotate"
+    cat << EOF | sudo tee /etc/X11/xorg.conf.d/40-libinput.conf >/dev/null
+Section "InputClass"
+        Identifier "libinput touchscreen catchall"
+        MatchIsTouchscreen "on"
+        Option "CalibrationMatrix" "0 1 0 -1 0 1 0 0 1"
+        MatchDevicePath "/dev/input/event*"
+        Driver "libinput"
+EndSection
+EOF
+  fi
+
   # mark touchscreen as switched ON in config
   if [ ${#touchscreen} -eq 0 ]; then
     echo "touchscreen=0" >> /mnt/hdd/raspiblitz.conf
@@ -93,6 +109,9 @@ if [ "$1" = "0" ] || [ "$1" = "off" ]; then
   # remove old pi autostart
   sudo rm /home/pi/autostart.sh
 
+  # delete possible touchscreen rotate
+  sudo rm /etc/X11/xorg.conf.d/40-libinput.conf >/dev/null
+
   # mark touchscreen as switched OFF in config
   sudo sed -i "s/^touchscreen=.*/touchscreen=0/g" /mnt/hdd/raspiblitz.conf