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356 lines
9.3 KiB
356 lines
9.3 KiB
#!/usr/bin/env bash
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set -e
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function print_version() {
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echo "Adafruit PiTFT Helper v0.5.0"
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exit 1
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}
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function print_help() {
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echo "Usage: $0 -t [pitfttype]"
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echo " -h Print this help"
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echo " -v Print version information"
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echo " -u [homedir] Specify path of primary user's home directory (defaults to /home/pi)"
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echo " -t [type] Specify the type of PiTFT: '28r' (PID 1601) or '28c' (PID 1983) or '35r' or '22'"
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echo
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echo "You must specify a type of display."
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exit 1
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}
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group=ADAFRUIT
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function info() {
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system="$1"
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group="${system}"
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shift
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FG="1;32m"
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BG="40m"
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echo -e "[\033[${FG}\033[${BG}${system}\033[0m] $*"
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}
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function bail() {
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FG="1;31m"
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BG="40m"
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echo -en "[\033[${FG}\033[${BG}${group}\033[0m] "
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if [ -z "$1" ]; then
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echo "Exiting due to error"
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else
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echo "Exiting due to error: $*"
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fi
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exit 1
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}
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function ask() {
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# http://djm.me/ask
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while true; do
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if [ "${2:-}" = "Y" ]; then
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prompt="Y/n"
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default=Y
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elif [ "${2:-}" = "N" ]; then
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prompt="y/N"
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default=N
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else
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prompt="y/n"
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default=
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fi
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# Ask the question
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read -p "$1 [$prompt] " REPLY
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# Default?
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if [ -z "$REPLY" ]; then
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REPLY=$default
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fi
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# Check if the reply is valid
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case "$REPLY" in
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Y*|y*) return 0 ;;
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N*|n*) return 1 ;;
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esac
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done
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}
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# update /boot/config.txt with appropriate values
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function update_configtxt() {
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if grep -q "adafruit-pitft-helper" "/boot/config.txt"; then
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echo "Already have an adafruit-pitft-helper section in /boot/config.txt."
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echo "Adding new section, but please run:"
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echo "sudo nano /boot/config.txt"
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echo "...and remove any duplicate sections."
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fi
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if [ "${pitfttype}" == "22" ]; then
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# formerly: options fbtft_device name=adafruit22a gpios=dc:25 rotate=270 frequency=32000000
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overlay="dtoverlay=pitft22,rotate=270,speed=32000000,fps=20"
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fi
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if [ "${pitfttype}" == "28r" ]; then
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overlay="dtoverlay=pitft28r,rotate=90,speed=32000000,fps=20"
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fi
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if [ "${pitfttype}" == "28c" ]; then
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overlay="dtoverlay=pitft28c,rotate=90,speed=32000000,fps=20"
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fi
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if [ "${pitfttype}" == "35r" ]; then
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overlay="dtoverlay=pitft35r,rotate=90,speed=42000000,fps=20"
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fi
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date=`date`
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cat >> /boot/config.txt <<EOF
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# --- added by adafruit-pitft-helper $date ---
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[pi1]
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device_tree=bcm2708-rpi-b-plus.dtb
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[pi2]
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device_tree=bcm2709-rpi-2-b.dtb
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[all]
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dtparam=spi=on
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dtparam=i2c1=on
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dtparam=i2c_arm=on
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$overlay
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# --- end adafruit-pitft-helper $date ---
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EOF
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}
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# currently for '90' rotation only
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function update_xorg() {
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mkdir -p /etc/X11/xorg.conf.d
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if [ "${pitfttype}" == "28r" ]; then
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cat > /etc/X11/xorg.conf.d/99-calibration.conf <<EOF
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Section "InputClass"
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Identifier "calibration"
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MatchProduct "stmpe-ts"
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Option "Calibration" "3800 200 200 3800"
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Option "SwapAxes" "1"
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EndSection
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EOF
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fi
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if [ "${pitfttype}" == "35r" ]; then
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cat > /etc/X11/xorg.conf.d/99-calibration.conf <<EOF
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Section "InputClass"
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Identifier "calibration"
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MatchProduct "stmpe-ts"
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Option "Calibration" "3800 120 200 3900"
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Option "SwapAxes" "1"
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EndSection
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EOF
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fi
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if [ "${pitfttype}" == "28c" ]; then
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cat > /etc/X11/xorg.conf.d/99-calibration.conf <<EOF
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Section "InputClass"
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Identifier "captouch"
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MatchProduct "ft6x06_ts"
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Option "SwapAxes" "1"
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Option "InvertY" "1"
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Option "Calibration" "0 320 0 240"
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EndSection
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EOF
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fi
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}
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function update_x11profile() {
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fbturbo_path="/usr/share/X11/xorg.conf.d/99-fbturbo.conf"
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if [ -e $fbturbo_path ]; then
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echo "Moving ${fbturbo_path} to ${target_homedir}"
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mv "$fbturbo_path" "$target_homedir"
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fi
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if grep -xq "export FRAMEBUFFER=/dev/fb1" "${target_homedir}/.profile"; then
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echo "Already had 'export FRAMEBUFFER=/dev/fb1'"
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else
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echo "Adding 'export FRAMEBUFFER=/dev/fb1'"
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cat >> "${target_homedir}.profile" <<EOF
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export FRAMEBUFFER=/dev/fb1
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EOF
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fi
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}
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# currently for '90' rotation only
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function update_pointercal() {
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if [ "${pitfttype}" == "28r" ]; then
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cat > /etc/pointercal <<EOF
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-30 -5902 22077792 4360 -105 -1038814 65536
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EOF
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fi
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if [ "${pitfttype}" == "35r" ]; then
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cat > /etc/pointercal <<EOF
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8 -8432 32432138 5699 -112 -965922 65536
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EOF
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fi
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if [ "${pitfttype}" == "28c" ]; then
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cat > /etc/pointercal <<EOF
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320 65536 0 -65536 0 15728640 65536
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EOF
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fi
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}
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function update_udev() {
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if [ "${pitfttype}" == "28r" ] || [ "${pitfttype}" == "35r" ]; then
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cat > /etc/udev/rules.d/95-stmpe.rules <<EOF
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SUBSYSTEM=="input", ATTRS{name}=="stmpe-ts", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"
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EOF
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fi
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if [ "${pitfttype}" == "28c" ]; then
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cat > /etc/udev/rules.d/95-ft6206.rules <<EOF
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SUBSYSTEM=="input", ATTRS{name}=="ft6x06_ts", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"
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EOF
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fi
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}
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function install_console() {
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if ! grep -q 'fbcon=map:10 fbcon=font:VGA8x8' /boot/cmdline.txt; then
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echo "Updating /boot/cmdline.txt"
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sed -i 's/rootwait/rootwait fbcon=map:10 fbcon=font:VGA8x8/g' "/boot/cmdline.txt"
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else
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echo "/boot/cmdline.txt already updated"
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fi
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sed -i 's/BLANK_TIME=.*/BLANK_TIME=0/g' "/etc/kbd/config"
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}
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function uninstall_console() {
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sed -i 's/rootwait fbcon=map:10 fbcon=font:VGA8x8/rootwait/g' "/boot/cmdline.txt"
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sed -i 's/BLANK_TIME=0/BLANK_TIME=10/g' "/etc/kbd/config"
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echo "Screen blanking time reset to 10 minutes"
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}
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function update_etcmodules() {
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if [ "${pitfttype}" == "28c" ]; then
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ts_module="ft6x06_ts"
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elif [ "${pitfttype}" == "28r" ] || [ "${pitfttype}" == "35r" ]; then
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ts_module="stmpe_ts"
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else
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return 0
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fi
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if grep -xq "$ts_module" "/etc/modules"; then
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echo "Already had $ts_module"
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else
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echo "Adding $ts_module"
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echo "$ts_module" >> /etc/modules
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fi
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}
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function install_onoffbutton() {
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echo "Adding rpi_power_switch to /etc/modules"
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if grep -xq "rpi_power_switch" "${chr}/etc/modules"; then
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echo "Already had rpi_power_switch"
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else
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echo "Adding rpi_power_switch"
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cat >> /etc/modules <<EOF
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rpi_power_switch
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EOF
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fi
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echo "Adding rpi_power_switch config to /etc/modprobe.d/adafruit.conf"
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if grep -xq "options rpi_power_switch gpio_pin=23 mode=0" "${chr}/etc/modprobe.d/adafruit.conf"; then
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echo "Already had rpi_power_switch config"
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else
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echo "Adding rpi_power_switch"
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cat >> /etc/modprobe.d/adafruit.conf <<EOF
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options rpi_power_switch gpio_pin=23 mode=0
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EOF
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fi
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}
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# MAIN
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target_homedir="/home/pi"
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args=$(getopt -uo 'hvri:t:o:b:u:' -- $*)
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[ $? != 0 ] && print_help
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set -- $args
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for i
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do
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case "$i"
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in
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-h)
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print_help
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;;
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-v)
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print_version
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;;
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-u)
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target_homedir="$2"
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echo "Homedir = ${2}"
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shift
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shift
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;;
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-t)
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pitfttype="$2"
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echo "Type = ${2}"
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shift
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shift
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;;
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esac
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done
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if [[ $EUID -ne 0 ]]; then
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bail "adafruit-pitft-helper must be run as root. try: sudo adadfruit-pitft-helper"
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fi
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if grep -q boot /proc/mounts; then
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echo "/boot is mounted"
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else
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bail "/boot must be mounted. try: sudo mount /dev/mmcblk0p1 /boot"
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fi
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if [[ ! -e "$target_homedir" || ! -d "$target_homedir" ]]; then
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bail "$target_homedir must be an existing directory (use -u /home/foo to specify)"
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fi
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if [ "${pitfttype}" != "28r" ] && [ "${pitfttype}" != "28c" ] && [ "${pitfttype}" != "35r" ] && [ "${pitfttype}" != "22" ]; then
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echo "Type must be one of:"
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echo " '28r' (2.8\" resistive, PID 1601)"
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echo " '28c' (2.8\" capacitive, PID 1983)"
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echo " '35r' (3.5\" Resistive)"
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echo " '22' (2.2\" no touch)"
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echo
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print_help
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fi
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info PITFT "Updating X11 default calibration..."
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update_xorg || bail "Unable to update /etc/X11/xorg.conf.d/99-calibration.conf"
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info PITFT "Updating X11 setup tweaks..."
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update_x11profile || bail "Unable to update X11 setup"
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info PITFT "Updating TSLib default calibration..."
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update_pointercal || bail "Unable to update /etc/pointercal"
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info PITFT "Updating SysFS rules for Touchscreen..."
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update_udev || bail "Unable to update /etc/udev/rules.d"
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# ask for console access
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if ask "Would you like the console to appear on the PiTFT display?"; then
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info PITFT "Updating console to PiTFT..."
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install_console || bail "Unable to configure console"
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else
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info PITFT "Making sure console doesn't use PiTFT"
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uninstall_console || bail "Unable to configure console"
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fi
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info PITFT "Updating /etc/modules..."
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update_etcmodules || bail "Unable to update /etc/modules"
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if [ "${pitfttype}" != "35r" ]; then
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# ask for 'on/off' button
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if ask "Would you like GPIO #23 to act as a on/off button?"; then
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info PITFT "Adding GPIO #23 on/off to PiTFT..."
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install_onoffbutton || bail "Unable to add on/off button"
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fi
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fi
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info PITFT "Updating /boot/config.txt..."
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update_configtxt || bail "Unable to update /boot/config.txt"
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