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Create adafruit-pitft.sh

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#!/bin/bash
# Instructions!
# cd ~
# wget https://raw.githubusercontent.com/adafruit/Raspberry-Pi-Installer-Scripts/master/adafruit-pitft.sh
# chmod +x adafruit-pitft.sh
# sudo ./adafruit-pitft.sh
if [ $(id -u) -ne 0 ]; then
echo "Installer must be run as root."
echo "Try 'sudo bash $0'"
exit 1
fi
UPDATE_DB=false
############################ Script assisters ############################
# Given a list of strings representing options, display each option
# preceded by a number (1 to N), display a prompt, check input until
# a valid number within the selection range is entered.
selectN() {
for ((i=1; i<=$#; i++)); do
echo $i. ${!i}
done
echo
REPLY=""
while :
do
echo -n "SELECT 1-$#: "
read
if [[ $REPLY -ge 1 ]] && [[ $REPLY -le $# ]]; then
return $REPLY
fi
done
}
function print_version() {
echo "Adafruit PiTFT Helper v2.0.0"
exit 1
}
function print_help() {
echo "Usage: $0 "
echo " -h Print this help"
echo " -v Print version information"
echo " -u [homedir] Specify path of primary user's home directory (defaults to /home/pi)"
exit 1
}
group=ADAFRUIT
function info() {
system="$1"
group="${system}"
shift
FG="1;32m"
BG="40m"
echo -e "[\033[${FG}\033[${BG}${system}\033[0m] $*"
}
function bail() {
FG="1;31m"
BG="40m"
echo -en "[\033[${FG}\033[${BG}${group}\033[0m] "
if [ -z "$1" ]; then
echo "Exiting due to error"
else
echo "Exiting due to error: $*"
fi
exit 1
}
function ask() {
# http://djm.me/ask
while true; do
if [ "${2:-}" = "Y" ]; then
prompt="Y/n"
default=Y
elif [ "${2:-}" = "N" ]; then
prompt="y/N"
default=N
else
prompt="y/n"
default=
fi
# Ask the question
read -p "$1 [$prompt] " REPLY
# Default?
if [ -z "$REPLY" ]; then
REPLY=$default
fi
# Check if the reply is valid
case "$REPLY" in
Y*|y*) return 0 ;;
N*|n*) return 1 ;;
esac
done
}
progress() {
count=0
until [ $count -eq $1 ]; do
echo -n "..." && sleep 1
((count++))
done
echo
}
sysupdate() {
if ! $UPDATE_DB; then
echo "Updating apt indexes..." && progress 3 &
sudo apt-get update 1> /dev/null || { warning "Apt failed to update indexes!" && exit 1; }
echo "Reading package lists..."
progress 3 && UPDATE_DB=true
fi
}
# Given a filename, a regex pattern to match and a replacement string,
# perform replacement if found, else append replacement to end of file.
# (# $1 = filename, $2 = pattern to match, $3 = replacement)
reconfig() {
grep $2 $1 >/dev/null
if [ $? -eq 0 ]; then
# Pattern found; replace in file
sed -i "s/$2/$3/g" $1 >/dev/null
else
# Not found; append (silently)
echo $3 | sudo tee -a $1 >/dev/null
fi
}
############################ Sub-Scripts ############################
function softwareinstall() {
echo "Installing Pre-requisite Software...This may take a few minutes!"
apt-get install -y bc fbi git python-pip python-smbus python-spidev evtest tslib libts-bin 1> /dev/null || { warning "Apt failed to install software!" && exit 1; }
pip install evdev 1> /dev/null || { warning "Pip failed to install software!" && exit 1; }
}
# update /boot/config.txt with appropriate values
function update_configtxt() {
if grep -q "adafruit-pitft-helper" "/boot/config.txt"; then
echo "Already have an adafruit-pitft-helper section in /boot/config.txt."
echo "Removing old section..."
cp /boot/config.txt /boot/configtxt.bak
sed -i -e "/^# --- added by adafruit-pitft-helper/,/^# --- end adafruit-pitft-helper/d" /boot/config.txt
fi
if [ "${pitfttype}" == "22" ]; then
overlay="dtoverlay=pitft22,rotate=${pitftrot},speed=64000000,fps=30"
fi
if [ "${pitfttype}" == "28r" ]; then
overlay="dtoverlay=pitft28-resistive,rotate=${pitftrot},speed=64000000,fps=30"
fi
if [ "${pitfttype}" == "28c" ]; then
overlay="dtoverlay=pitft28-capacitive,rotate=${pitftrot},speed=64000000,fps=30"
fi
if [ "${pitfttype}" == "35r" ]; then
overlay="dtoverlay=pitft35-resistive,rotate=${pitftrot},speed=20000000,fps=20"
fi
date=`date`
cat >> /boot/config.txt <<EOF
# --- added by adafruit-pitft-helper $date ---
[pi0]
device_tree=bcm2708-rpi-0-w.dtb
[pi1]
device_tree=bcm2708-rpi-b-plus.dtb
[pi2]
device_tree=bcm2709-rpi-2-b.dtb
[pi3]
device_tree=bcm2710-rpi-3-b.dtb
[all]
dtparam=spi=on
dtparam=i2c1=on
dtparam=i2c_arm=on
$overlay
# --- end adafruit-pitft-helper $date ---
EOF
}
function update_udev() {
cat > /etc/udev/rules.d/95-touchmouse.rules <<EOF
SUBSYSTEM=="input", ATTRS{name}=="touchmouse", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"
EOF
cat > /etc/udev/rules.d/95-ftcaptouch.rules <<EOF
SUBSYSTEM=="input", ATTRS{name}=="EP0110M09", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"
EOF
cat > /etc/udev/rules.d/95-stmpe.rules <<EOF
SUBSYSTEM=="input", ATTRS{name}=="*stmpe*", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"
EOF
}
# currently for '90' rotation only
function update_pointercal() {
if [ "${pitfttype}" == "28r" ]; then
if [ "${pitftrot}" == "90" ]; then
cat > /etc/pointercal <<EOF
33 -5782 21364572 4221 35 -1006432 65536
EOF
fi
if [ "${pitftrot}" == "180" ]; then
cat > /etc/pointercal <<EOF
-4273 61 16441290 4 -5772 21627524 65536
EOF
fi
if [ "${pitftrot}" == "270" ]; then
cat > /etc/pointercal <<EOF
-9 5786 -784608 -4302 19 16620508 65536
EOF
fi
if [ "${pitftrot}" == "0" ]; then
cat > /etc/pointercal <<EOF
4232 11 -879396 1 5786 -752768 65536
EOF
fi
fi
if [ "${pitfttype}" == "35r" ]; then
if [ "${pitftrot}" == "90" ]; then
cat > /etc/pointercal <<EOF
5 8425 -978304 -5747 61 22119468 65536
EOF
fi
if [ "${pitftrot}" == "180" ]; then
cat > /etc/pointercal <<EOF
-5682 -1 22069150 13 -8452 32437698 65536
EOF
fi
if [ "${pitftrot}" == "270" ]; then
cat > /etc/pointercal <<EOF
3 -8466 32440206 5703 -1 -1308696 65536
EOF
fi
if [ "${pitftrot}" == "0" ]; then
cat > /etc/pointercal <<EOF
5724 -6 -1330074 26 8427 -1034528 65536
EOF
fi
fi
if [ "${pitfttype}" == "28c" ]; then
cat > /etc/pointercal <<EOF
320 65536 0 -65536 0 15728640 65536
EOF
fi
}
function install_console() {
echo "Set up main console turn on"
if ! grep -q 'fbcon=map:10 fbcon=font:VGA8x8' /boot/cmdline.txt; then
echo "Updating /boot/cmdline.txt"
sed -i 's/rootwait/rootwait fbcon=map:10 fbcon=font:VGA8x8/g' "/boot/cmdline.txt"
else
echo "/boot/cmdline.txt already updated"
fi
echo "Turning off console blanking"
# pre-stretch this is what you'd do:
if [ -e /etc/kbd/config ]; then
sed -i 's/BLANK_TIME=.*/BLANK_TIME=0/g' "/etc/kbd/config"
fi
# as of stretch....
# removing any old version
sed -i -e '/^# disable console blanking.*/d' /etc/rc.local
sed -i -e '/^sudo sh -c "TERM=linux setterm -blank.*/d' /etc/rc.local
sed -i -e "s|^exit 0|# disable console blanking on PiTFT\\nsudo sh -c \"TERM=linux setterm -blank 0 >/dev/tty0\"\\nexit 0|" /etc/rc.local
reconfig /etc/default/console-setup "^.*FONTFACE.*$" "FONTFACE=\"Terminus\""
reconfig /etc/default/console-setup "^.*FONTSIZE.*$" "FONTSIZE=\"6x12\""
echo "Setting raspi-config to boot to console w/o login..."
raspi-config nonint do_boot_behaviour B2
# remove fbcp
sed -i -e "/^.*fbcp.*$/d" /etc/rc.local
}
function uninstall_console() {
echo "Removing console fbcon map from /boot/cmdline.txt"
sed -i 's/rootwait fbcon=map:10 fbcon=font:VGA8x8/rootwait/g' "/boot/cmdline.txt"
echo "Screen blanking time reset to 10 minutes"
if [ -e "/etc/kbd/config" ]; then
sed -i 's/BLANK_TIME=0/BLANK_TIME=10/g' "/etc/kbd/config"
fi
sed -i -e '/^# disable console blanking.*/d' /etc/rc.local
sed -i -e '/^sudo sh -c "TERM=linux.*/d' /etc/rc.local
}
function install_fbcp() {
echo "Installing cmake..."
apt-get --yes --force-yes install cmake 1> /dev/null || { warning "Apt failed to install software!" && exit 1; }
echo "Downloading rpi-fbcp..."
cd /tmp
#curl -sLO https://github.com/tasanakorn/rpi-fbcp/archive/master.zip
curl -sLO https://github.com/adafruit/rpi-fbcp/archive/master.zip
echo "Uncompressing rpi-fbcp..."
rm -rf /tmp/rpi-fbcp-master
unzip master.zip 1> /dev/null || { warning "Failed to uncompress fbcp!" && exit 1; }
cd rpi-fbcp-master
mkdir build
cd build
echo "Building rpi-fbcp..."
cmake .. 1> /dev/null || { warning "Failed to cmake fbcp!" && exit 1; }
make 1> /dev/null || { warning "Failed to make fbcp!" && exit 1; }
echo "Installing rpi-fbcp..."
install fbcp /usr/local/bin/fbcp
rm -rf /tmp/rpi-fbcp-master
# Add fbcp to /rc.local:
echo "Add fbcp to /etc/rc.local..."
grep fbcp /etc/rc.local >/dev/null
if [ $? -eq 0 ]; then
# fbcp already in rc.local, but make sure correct:
sed -i "s|^.*fbcp.*$|/usr/local/bin/fbcp \&|g" /etc/rc.local >/dev/null
else
#Insert fbcp into rc.local before final 'exit 0'
sed -i "s|^exit 0|/usr/local/bin/fbcp \&\\nexit 0|g" /etc/rc.local >/dev/null
fi
# if there's X11 installed...
if [ -e /etc/lightdm ]; then
echo "Setting raspi-config to boot to desktop w/o login..."
raspi-config nonint do_boot_behaviour B4
fi
# Disable overscan compensation (use full screen):
raspi-config nonint do_overscan 1
# Set up HDMI parameters:
echo "Configuring boot/config.txt for forced HDMI"
reconfig /boot/config.txt "^.*hdmi_force_hotplug.*$" "hdmi_force_hotplug=1"
reconfig /boot/config.txt "^.*hdmi_group.*$" "hdmi_group=2"
reconfig /boot/config.txt "^.*hdmi_mode.*$" "hdmi_mode=87"
# if there's X11 installed...
if [ -e /etc/lightdm ]; then
if [ "${pitfttype}" == "35r" ]; then
echo "Using x1.5 resolution"
SCALE=1.5
else
echo "Using x2 resolution"
SCALE=2.0
fi
else
echo "Using native resolution"
SCALE=1
fi
WIDTH=`python -c "print(int(${WIDTH_VALUES[PITFT_SELECT-1]} * ${SCALE}))"`
HEIGHT=`python -c "print(int(${HEIGHT_VALUES[PITFT_SELECT-1]} * ${SCALE}))"`
reconfig /boot/config.txt "^.*hdmi_cvt.*$" "hdmi_cvt=${WIDTH} ${HEIGHT} 60 1 0 0 0"
}
function uninstall_fbcp() {
# Remove fbcp from /etc/rc.local:
echo "Remove fbcp from /etc/rc.local..."
sed -i -e '/^.*fbcp.*$/d' /etc/rc.local
# Enable overscan compensation
raspi-config nonint do_overscan 0
# Set up HDMI parameters:
echo "Configuring boot/config.txt for default HDMI"
reconfig /boot/config.txt "^.*hdmi_force_hotplug.*$" "hdmi_force_hotplug=0"
sed -i -e '/^hdmi_group=2.*$/d' /boot/config.txt
sed -i -e '/^hdmi_mode=87.*$/d' /boot/config.txt
sed -i -e '/^hdmi_cvt=.*$/d' /boot/config.txt
}
# currently for '90' rotation only
function update_xorg() {
if [ "${pitfttype}" == "28r" ]; then
cat > /usr/share/X11/xorg.conf.d/20-calibration.conf <<EOF
Section "InputClass"
Identifier "STMPE Touchscreen Calibration"
MatchProduct "stmpe"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "TransformationMatrix" "0.024710 -1.098824 1.013750 1.113069 -0.008984 -0.069884 0 0 1"
EndSection
EOF
fi
if [ "${pitfttype}" == "35r" ]; then
cat > /usr/share/X11/xorg.conf.d/20-calibration.conf <<EOF
Section "InputClass"
Identifier "STMPE Touchscreen Calibration"
MatchProduct "stmpe"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "TransformationMatrix" "0.004374 -1.087174 1.023063 1.089687 -0.007586 -0.059126 0 0 1"
EndSection
EOF
fi
if [ "${pitfttype}" == "28c" ]; then
cat > /usr/share/X11/xorg.conf.d/20-calibration.conf <<EOF
Section "InputClass"
Identifier "FocalTech Touchscreen Calibration"
MatchProduct "EP0110M09"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "TransformationMatrix" "0 1 0 -1 0 1 0 0 1"
EndSection
EOF
fi
}
####################################################### MAIN
target_homedir="/home/pi"
clear
echo "This script downloads and installs"
echo "PiTFT Support using userspace touch"
echo "controls and a DTO for display drawing."
echo "one of several configuration files."
echo "Run time of up to 5 minutes. Reboot required!"
echo
echo "Select configuration:"
selectN "PiTFT 2.4\", 2.8\" or 3.2\" resistive (240x320)" \
"PiTFT 2.2\" no touch (240x320)" \
"PiTFT 2.8\" capacitive touch (240x320)" \
"PiTFT 3.5\" resistive touch (320x480)" \
"Quit without installing"
PITFT_SELECT=$?
if [ $PITFT_SELECT -gt 4 ]; then
exit 1
fi
echo "Select rotation:"
selectN "90 degrees (landscape)" \
"180 degrees (portait)" \
"270 degrees (landscape)" \
"0 degrees (portait)"
PITFT_ROTATE=$?
if [ $PITFT_ROTATE -gt 4 ]; then
exit 1
fi
PITFT_ROTATIONS=("90" "180" "270" "0")
PITFT_TYPES=("28r" "22" "28c" "35r")
WIDTH_VALUES=(320 320 320 480)
HEIGHT_VALUES=(240 240 240 320)
HZ_VALUES=(64000000 64000000 64000000 32000000)
args=$(getopt -uo 'hvri:o:b:u:' -- $*)
[ $? != 0 ] && print_help
set -- $args
for i
do
case "$i"
in
-h)
print_help
;;
-v)
print_version
;;
-u)
target_homedir="$2"
echo "Homedir = ${2}"
shift
shift
;;
esac
done
# check init system (technique borrowed from raspi-config):
info PITFT 'Checking init system...'
if command -v systemctl > /dev/null && systemctl | grep -q '\-\.mount'; then
echo "Found systemd"
SYSTEMD=1
elif [ -f /etc/init.d/cron ] && [ ! -h /etc/init.d/cron ]; then
echo "Found sysvinit"
SYSTEMD=0
else
bail "Unrecognised init system"
fi
if grep -q boot /proc/mounts; then
echo "/boot is mounted"
else
echo "/boot must be mounted. if you think it's not, quit here and try: sudo mount /dev/mmcblk0p1 /boot"
if ask "Continue?"; then
echo "Proceeding."
else
bail "Aborting."
fi
fi
if [[ ! -e "$target_homedir" || ! -d "$target_homedir" ]]; then
bail "$target_homedir must be an existing directory (use -u /home/foo to specify)"
fi
pitfttype=${PITFT_TYPES[$PITFT_SELECT-1]}
pitftrot=${PITFT_ROTATIONS[$PITFT_ROTATE-1]}
if [ "${pitfttype}" != "28r" ] && [ "${pitfttype}" != "28c" ] && [ "${pitfttype}" != "35r" ] && [ "${pitfttype}" != "22" ]; then
echo "Type must be one of:"
echo " '28r' (2.8\" resistive, PID 1601)"
echo " '28c' (2.8\" capacitive, PID 1983)"
echo " '35r' (3.5\" Resistive)"
echo " '22' (2.2\" no touch)"
echo
print_help
fi
info PITFT "System update"
sysupdate || bail "Unable to apt-get update"
info PITFT "Installing Python libraries & Software..."
softwareinstall || bail "Unable to install software"
info PITFT "Updating /boot/config.txt..."
update_configtxt || bail "Unable to update /boot/config.txt"
if [ "${pitfttype}" == "28r" ] || [ "${pitfttype}" == "35r" ] || [ "${pitfttype}" == "28c" ] ; then
info PITFT "Updating SysFS rules for Touchscreen..."
update_udev || bail "Unable to update /etc/udev/rules.d"
info PITFT "Updating TSLib default calibration..."
update_pointercal || bail "Unable to update /etc/pointercal"
fi
# ask for console access
if ask "Would you like the console to appear on the PiTFT display?"; then
info PITFT "Updating console to PiTFT..."
uninstall_fbcp || bail "Unable to uninstall fbcp"
install_console || bail "Unable to configure console"
else
info PITFT "Making sure console doesn't use PiTFT"
uninstall_console || bail "Unable to configure console"
if ask "Would you like the HDMI display to mirror to the PiTFT display?"; then
info PITFT "Adding FBCP support..."
install_fbcp || bail "Unable to configure fbcp"
if [ -e /etc/lightdm ]; then
info PITFT "Updating X11 default calibration..."
update_xorg || bail "Unable to update calibration"
fi
fi
fi
#info PITFT "Updating X11 setup tweaks..."
#update_x11profile || bail "Unable to update X11 setup"
#if [ "${pitfttype}" != "35r" ]; then
# # ask for 'on/off' button
# if ask "Would you like GPIO #23 to act as a on/off button?"; then
# info PITFT "Adding GPIO #23 on/off to PiTFT..."
# install_onoffbutton || bail "Unable to add on/off button"
# fi
#fi
# update_bootprefs || bail "Unable to set boot preferences"
info PITFT "Success!"
echo
echo "Settings take effect on next boot."
echo
echo -n "REBOOT NOW? [y/N] "
read
if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
echo "Exiting without reboot."
exit 0
fi
echo "Reboot started..."
reboot
exit 0

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