#!/bin/bash
if ! grep "#Waveshare" /boot/config.txt >/dev/null
then
cp /boot/config.txt .
cat <<'EOF'>> add.txt

#Waveshare 5inch
hdmi_group=2
hdmi_mode=87
hdmi_cvt 800 480 60 6 0 0 0
hdmi_drive=1
dtoverlay=ads7846,cs=1,penirq=25,penirq_pull=2,speed=50000,keep_vref_on=0,swapxy=0,pmax=255,xohms=150,xmin=200,xmax=3900,ymin=200,ymax=3900
EOF
cat add.txt >> config.txt
rm add.txt
sudo cp config.txt /boot/
rm config.txt
fi

sudo apt-get update
sudo apt-get install xserver-xorg-input-evdev xinput-calibrator -y

sudo cp -rf /usr/share/X11/xorg.conf.d/10-evdev.conf /usr/share/X11/xorg.conf.d/45-evdev.conf

if [ -f /usr/share/X11/xorg.conf.d/99-calibration.conf ]
then
sudo rm /usr/share/X11/xorg.conf.d/99-calibration.conf
fi
sudo cat <<'EOF'>> 99-calibration.conf
Section "InputClass"
        Identifier      "calibration"
        MatchProduct    "ADS7846 Touchscreen"
        Option  "Calibration"   "208 3905 288 3910"
        Option  "SwapAxes"      "0"
        Option "EmulateThirdButton" "1"
        Option "EmulateThirdButtonTimeout" "1000"
        Option "EmulateThirdButtonMoveThreshold" "300"
EndSection
EOF
sudo cp 99-calibration.conf /usr/share/X11/xorg.conf.d/99-calibration.conf
rm 99-calibration.conf