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@tm9k1
Created August 10, 2022 20:42
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#!/usr/bin/env bash
# installation script for RPi-Display - https://github.com/watterott/RPi-Display
# run: sudo /bin/bash rpi-display.sh [0, 90, 180, 270]
rotate="$1"
# ask y/n function
function ask()
{
while true; do
read -p "$1 y/n " REPLY
case "$REPLY" in
Y*|y*) return 0 ;;
N*|n*) return 1 ;;
esac
done
}
# reboot system
function reboot_system()
{
echo "Rebooting now..."
reboot
exit 0
}
# update system
function update_system()
{
# run update
apt-get -y update
#apt-get -y upgrade
# install curl
if [ ! -f "/usr/bin/curl" ] && [ ! -f "/bin/curl" ]; then
apt-get install -y curl
fi
# install binutils
apt-get install -y binutils
# install rpi-update
if [ ! -f "/usr/bin/rpi-update" ] && [ ! -f "/bin/rpi-update" ]; then
curl -k -L -o /usr/bin/rpi-update https://raw.githubusercontent.com/Hexxeh/rpi-update/master/rpi-update
chmod +x /usr/bin/rpi-update
fi
# run rpi-update
# official RPi Kernel from 4.1 has DMA support for SPI
#REPO_URI=https://github.com/notro/rpi-firmware RPI_UPDATE_UNSUPPORTED=0 update
rpi-update
# ask for reboot
if ask "A reboot is needed. Do you want to reboot the system now?"; then
reboot_system
fi
}
# update config.txt
function update_configtxt()
{
echo "--- Updating /boot/config.txt ---"
echo
echo "Please reboot the system after the installation."
echo
# check blacklist
if [ -f "/etc/modprobe.d/raspi-blacklist.conf" ]; then
if ! grep -q "#blacklist spi-bcm2708" "/etc/modprobe.d/raspi-blacklist.conf"; then
sed -i 's/blacklist spi-bcm2708/#blacklist spi-bcm2708/g' "/etc/modprobe.d/raspi-blacklist.conf"
fi
fi
# no Device Tree -> use FBTFT module
if [ "${dt_found}" == "0" ]; then
if ! grep -q "dtparam=spi=on" "/boot/config.txt"; then
cat >> /boot/config.txt <<EOF
dtparam=spi=on
EOF
fi
echo "Updating /etc/modules"
if ! grep -q "spi-bcm2708" "/etc/modules"; then
cat >> /etc/modules <<EOF
spi-bcm2708
EOF
fi
if ! grep -q "fbtft_device" "/etc/modules"; then
cat >> /etc/modules <<EOF
fbtft_device name=rpi-display speed=32000000 rotate=$rotate
EOF
fi
# Device Tree -> use FBTFT DT-Overlay
else
if grep -q "dtoverlay=rpi-display" "/boot/config.txt"; then
sed -i 's/dtoverlay=rpi-display,speed=32000000,rotate=.*/dtoverlay=rpi-display,speed=32000000,rotate='$rotate'/g' "/boot/config.txt"
else
cat >> /boot/config.txt <<EOF
dtoverlay=rpi-display,speed=32000000,rotate=$rotate
EOF
fi
fi
}
# update xorg.conf
function update_xorg()
{
echo "--- Updating /etc/X11/xorg.conf.d ---"
echo
echo "startx -- -layout TFT"
echo "startx -- -layout HDMI"
echo "startx -- -layout HDMITFT"
echo "When -layout is not set, the first is used: TFT"
echo
mkdir -p /etc/X11/xorg.conf.d
if [ "${rotate}" == "0" ]; then
invertx="0"
inverty="0"
swapaxes="0"
tmatrix="1 0 0 0 1 0 0 0 1"
fi
if [ "${rotate}" == "90" ]; then
invertx="1"
inverty="0"
swapaxes="1"
tmatrix="0 -1 1 1 0 0 0 0 1"
fi
if [ "${rotate}" == "180" ]; then
invertx="1"
inverty="1"
swapaxes="0"
tmatrix="-1 0 1 0 -1 1 0 0 1"
fi
if [ "${rotate}" == "270" ]; then
invertx="0"
inverty="1"
swapaxes="1"
tmatrix="0 1 0 -1 0 1 0 0 1"
fi
cat > /etc/X11/xorg.conf.d/99-ads7846-cal.conf <<EOF
Section "InputClass"
Identifier "calibration"
MatchProduct "ADS7846 Touchscreen"
Option "EmulateThirdButton" "1"
Option "EmulateThirdButtonButton" "3"
Option "EmulateThirdButtonTimeout" "1500"
Option "EmulateThirdButtonMoveThreshold" "30"
Option "InvertX" "$invertx"
Option "InvertY" "$inverty"
Option "SwapAxes" "$swapaxes"
Option "TransformationMatrix" "$tmatrix"
EndSection
EOF
echo "The ILI9341 will be the screen below the HDMI display"
cat > /etc/X11/xorg.conf.d/50-fbtft.conf <<'EOF'
# FBTFT xorg config file
#
# startx -- -layout TFT
# startx -- -layout HDMI
# startx -- -layout HDMITFT
# When -layout is not set, the first is used: TFT
Section "ServerLayout"
Identifier "HDMITFT"
Option "BlankTime" "10"
Screen 0 "ScreenHDMI"
# Screen 1 "ScreenTFT" RightOf "ScreenHDMI"
# Screen 1 "ScreenTFT" LeftOf "ScreenHDMI"
# Screen 1 "ScreenTFT" Above "ScreenHDMI"
Screen 1 "ScreenTFT" Below "ScreenHDMI"
# Screen 1 "ScreenTFT" Relative "ScreenHDMI" x y
# Screen 1 "ScreenTFT" Absolute x y
EndSection
Section "ServerLayout"
Identifier "TFT"
Option "BlankTime" "10"
Screen 0 "ScreenTFT"
EndSection
Section "ServerLayout"
Identifier "HDMI"
Option "BlankTime" "10"
Screen 0 "ScreenHDMI"
EndSection
Section "Screen"
Identifier "ScreenHDMI"
Monitor "MonitorHDMI"
Device "DeviceHDMI"
Endsection
Section "Screen"
Identifier "ScreenTFT"
Monitor "MonitorTFT"
Device "DeviceTFT"
Endsection
Section "Monitor"
Identifier "MonitorHDMI"
Endsection
Section "Monitor"
Identifier "MonitorTFT"
Endsection
Section "Device"
Identifier "DeviceHDMI"
Driver "fbturbo"
Option "fbdev" "/dev/fb0"
Option "SwapbuffersWait" "true"
EndSection
Section "Device"
Identifier "DeviceTFT"
Driver "fbturbo"
Option "fbdev" "/dev/fb1"
EndSection
EOF
}
# create symlink for ads7846 device
function update_udev()
{
echo "--- Creating /dev/input/touchscreen ---"
cat > /etc/udev/rules.d/95-ads7846.rules <<'EOF'
SUBSYSTEM=="input", KERNEL=="event[0-9]*", ATTRS{name}=="ADS7846*", SYMLINK+="input/touchscreen"
EOF
}
# activate console on TFT display
function activate_console()
{
# install fbset
if [ ! -f "/usr/bin/fbset" ] && [ ! -f "/bin/fbset" ]; then
apt-get install -y fbset
fi
# set parameters
# fonts: MINI4x6, ProFont6x11, VGA8x8 - note: newer FBTFT has no built-in fonts
# https://github.com/watterott/RPi-Display/blob/master/docu/FAQ.md#how-to-change-the-console-font
if [ -f "/boot/cmdline.txt" ]; then
if ! grep -q "fbcon=map:10" "/boot/cmdline.txt"; then
sed -i 's/rootwait/rootwait fbcon=map:10 fbcon=font:VGA8x8 consoleblank=0/g' "/boot/cmdline.txt"
fi
else
echo "Run 'sudo nano /etc/rc.local' and add the line 'con2fbmap 1 1' before 'exit 0'."
fi
if [ -f "/etc/kbd/config" ]; then
sed -i 's/BLANK_TIME=.*/BLANK_TIME=0/g' "/etc/kbd/config"
else
echo "Run 'sudo nano /boot/cmdline.txt' and add the parameter 'consoleblank=0'."
fi
}
# deactivate console on TFT display
function deactivate_console()
{
if [ -f "/boot/cmdline.txt" ]; then
sed -i 's/rootwait fbcon=map:10 fbcon=font:VGA8x8 consoleblank=0/rootwait/g' "/boot/cmdline.txt"
else
echo "Run 'sudo nano /etc/rc.local' and remove the line 'con2fbmap 1 1'."
fi
if [ -f "/etc/kbd/config" ]; then
sed -i 's/BLANK_TIME=0/BLANK_TIME=10/g' "/etc/kbd/config"
else
echo "Run 'sudo nano /boot/cmdline.txt' and remove the parameter 'consoleblank=0'."
fi
echo
echo "Set screen blanking time to 10 minutes."
echo
}
# install fbcp
function install_fbcp()
{
echo "--- Installing fbcp ---"
cd /tmp
apt-get install -y git build-essential cmake
git clone --depth=1 https://github.com/tasanakorn/rpi-fbcp
mkdir -p rpi-fbcp/build
cd rpi-fbcp/build
cmake ..
make
install fbcp /usr/local/bin/fbcp
cd ../..
rm -r rpi-fbcp
curl -k -L -o /etc/init.d/fbcp https://github.com/watterott/RPi-Display/raw/master/software/fbcp
chmod +x /etc/init.d/fbcp
echo "To enable automatic startup of fbcp run:"
echo "sudo update-rc.d fbcp defaults"
echo "To disable automatic startup of fbcp run:"
echo "sudo update-rc.d fbcp remove"
# ask for automatic startup
if ask "Enable automatic startup of fbcp on boot?"; then
echo "Note: The console output on the TFT display will be disabled."
deactivate_console
update-rc.d fbcp defaults
fi
}
# download and install xinput-calibrator
function install_xinputcalibrator()
{
echo "--- Installing xinput-calibrator ---"
echo
echo "Run 'sudo startx' to calibrate the touchscreen for X."
echo
apt-get install -y xinput-calibrator
#cd /tmp
#curl -k -L -o xinput-calibrator_0.7.5-1_armhf.deb https://files.watterott.com/fbtft/xinput-calibrator_0.7.5-1_armhf.deb
#dpkg -i -B xinput-calibrator_0.7.5-1_armhf.deb
#rm xinput-calibrator_0.7.5-1_armhf.deb
cat > /etc/X11/Xsession.d/xinput_calibrator_pointercal <<'EOF'
#!/bin/sh
PATH="/usr/bin:$PATH"
BINARY="xinput_calibrator"
CALFILE="/etc/X11/xorg.conf.d/99-ads7846-cal.conf"
LOGFILE="/var/log/xinput_calibrator.pointercal.log"
CALDATA=`grep -o 'Option[[:space:]]*"MinX".*' $CALFILE`
if [ ! -z "$CALDATA" ] ; then
echo "Using calibration data stored in $CALFILE"
exit 0
fi
CALDATA=`DISPLAY=:0 $BINARY --output-type xorg.conf.d --device 'ADS7846 Touchscreen' | tee $LOGFILE | grep -i 'MinX\|MaxX\|MinY\|MaxY'`
if [ ! -z "$CALDATA" ] ; then
sed -i "/MinX/d;/MaxX/d;/MinY/d;/MaxY/d;/EndSection/d" "$CALFILE"
cat >> "$CALFILE" <<EOD
$CALDATA
EndSection
EOD
echo "Calibration data stored in $CALFILE (log in $LOGFILE)"
fi
EOF
# add touchpanel calibration to LXDE autostart
if [ -f "/etc/xdg/lxsession/LXDE-pi/autostart" ]; then
if grep -q "xinput_calibrator_pointercal" "/etc/xdg/lxsession/LXDE-pi/autostart"; then
echo "xinput_calibrator already in LXDE autostart"
else
cat >> /etc/xdg/lxsession/LXDE-pi/autostart <<'EOF'
@sh /etc/X11/Xsession.d/xinput_calibrator_pointercal
EOF
fi
fi
}
# download and install ts_lib
function install_tslib()
{
echo "--- Installing tslib ---"
echo
echo "Run the following command to calibrate the touchscreen for tslib."
echo "TSLIB_FBDEVICE=/dev/fb1 TSLIB_TSDEVICE=/dev/input/touchscreen sudo ts_calibrate"
echo
# install libts0 (for Buster) or tslib
apt-get install -y libts0 || apt-get install -y tslib
apt-get install -y libts-bin evtest
# tslib package does not exist on Buster, so compile from source
#apt-get install -y cmake git
#git clone https://github.com/libts/tslib
#cd tslib
#mkdir build && cd build
#cmake ../
#cmake --build .
#cmake -P cmake_install.cmake
# install ts_test with quit button
#curl -k -L -o /usr/bin/ts_test http://tronnes.org/downloads/ts_test
#chmod +x /usr/bin/ts_test
}
# calibrate touchpanel
function calibrate_touchpanel()
{
echo "--- Calibrating touchpanel ---"
TSLIB_FBDEVICE=/dev/fb1 TSLIB_TSDEVICE=/dev/input/touchscreen /usr/bin/ts_calibrate
#startx
#DISPLAY=:0 xinput_calibrator --device "ADS7846 Touchscreen" --output-type xinput
}
# main function
if [ $EUID -ne 0 ]; then
echo "The script must be run as root. Try: sudo $0"
exit 1
fi
dt_found="0"
fbtft_found="0"
#default rotate should be 270 degrees
if [ "${rotate}" == "" ]; then
rotate="270"
fi
if [ "${rotate}" != "0" ] && [ "${rotate}" != "90" ] && [ "${rotate}" != "180" ] && [ "${rotate}" != "270" ]; then
echo "Error: \$rotate should be one of [0, 90, 180 or 270]"
exit 1
fi
if [ -d "/proc/device-tree" ]; then
dt_found="1"
fi
if modinfo fbtft > /dev/null; then
fbtft_found="1"
fi
if [ "${dt_found}" == "0" ]; then
echo
echo "Info: No Device Tree Kernel found."
# if ask "Update the system now?"; then
# update_system
# fi
fi
if [ "${fbtft_found}" == "0" ]; then
echo
echo "FBTFT not found."
if ask "Update the system now?"; then
update_system
else
echo "Installation aborted."
exit 1
fi
fi
#if ! modinfo -F parm spi-bcm2708 | grep -q -i "dma"; then
# echo
# echo "No DMA support for spi-bcm2708 module found."
# if ask "Update the system now?"; then
# update_system
# fi
#fi
# if ask "Enable TFT display driver and activate X windows on TFT display?"; then
update_configtxt
update_xorg
# else
# if [ -f "/etc/X11/xorg.conf.d/50-fbtft.conf" ]; then
# echo "Removing /etc/X11/xorg.conf.d/50-fbtft.conf"
# rm /etc/X11/xorg.conf.d/50-fbtft.conf
# fi
# fi
# if ask "Activate the console on the TFT display?"; then
# activate_console
# else
# deactivate_console
# fi
# if ask "Install fbcp (Framebuffer Copy)?"; then
# install_fbcp
# fi
# if ask "Install xinput-calibrator?"; then
# install_xinputcalibrator
# fi
# if ask "Install tslib (touchscreen library)?"; then
# update_udev
# install_tslib
# fi
# if [ -f "/usr/bin/ts_calibrate" ]; then
# if ask "Calibrate the touchpanel now?"; then
# calibrate_touchpanel
# fi
# fi
if ask "Reboot the system now?"; then
reboot_system
fi
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