Add PiTFT + fbcp installer
3.5" PiTFT overlay requires latest Raspbian (2016-11-25 or newer); it's not present in earlier releases!
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Phillip Burgess
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1 changed files with 194 additions and 0 deletions
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pitft-fbcp.sh
Executable file
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pitft-fbcp.sh
Executable file
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#!/bin/bash
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if [ $(id -u) -ne 0 ]; then
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echo "Installer must be run as root."
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echo "Try 'sudo bash $0'"
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exit 1
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fi
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clear
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echo "This script enables basic PiTFT display"
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echo "support for portable gaming, etc. Does"
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echo "not cover X11, touchscreen or buttons"
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echo "(see adafruit-pitft-helper for those)."
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echo "HDMI output is set to PiTFT resolution,"
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echo "not all monitors support this, PiTFT"
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echo "may be only display after reboot."
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echo "Run time ~5 minutes. Reboot required."
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echo
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echo -n "CONTINUE? [y/N] "
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read
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if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
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echo "Canceled."
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exit 0
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fi
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# FEATURE PROMPTS ----------------------------------------------------------
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# Installation doesn't begin until after all user input is taken.
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# Given a list of strings representing options, display each option
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# preceded by a number (1 to N), display a prompt, check input until
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# a valid number within the selection range is entered.
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selectN() {
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for ((i=1; i<=$#; i++)); do
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echo $i. ${!i}
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done
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echo
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REPLY=""
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while :
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do
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echo -n "SELECT 1-$#: "
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read
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if [[ $REPLY -ge 1 ]] && [[ $REPLY -le $# ]]; then
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return $REPLY
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fi
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done
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}
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echo
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echo "Select project:"
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selectN "PiGRRL 2" \
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"Configure options manually"
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PROJ_SELECT=$?
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PITFT_VALUES=(pitft22 pitft28-resistive pitft28-capacitive pitft35-resistive)
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WIDTH_VALUES=(320 320 320 480)
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HEIGHT_VALUES=(240 240 240 320)
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ROTATE_VALUES=(0 90 180 270)
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if [ $PROJ_SELECT -lt 2 ]; then
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# Use preconfigured settings per-project
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# 2 elements per project; first is index (1+) into
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# PITFT_VALUES, second is index into ROTATE_VALUES:
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PROJ_VALUES=(2 1)
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PITFT_SELECT=${PROJ_VALUES[($PROJ_SELECT-1)*2]}
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ROTATE_SELECT=${PROJ_VALUES[($PROJ_SELECT-1)*2+1]}
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elif [ $PROJ_SELECT -eq 2 ]; then
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# Configure options manually
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echo
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echo "Select display type:"
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# 123456789012345678901234567890123456789
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selectN "PiTFT 2.2\" HAT" \
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"PiTFT / PiTFT Plus resistive 2.4-3.2\"" \
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"PiTFT / PiTFT Plus 2.8\" capacitive" \
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"PiTFT / PiTFT Plus 3.5\""
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PITFT_SELECT=$?
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echo
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echo "Display rotation:"
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selectN "Normal (landscape)" \
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"90° clockwise (portrait)" \
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"180° (landscape)" \
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"90° counterclockwise (portrait)"
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ROTATE_SELECT=$?
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fi
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# START INSTALL ------------------------------------------------------------
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echo
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echo "PiTFT overlay: ${PITFT_VALUES[$PITFT_SELECT-1]}"
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echo "Rotate: ${ROTATE_VALUES[$ROTATE_SELECT-1]}"
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echo
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echo -n "CONTINUE? [y/N] "
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read
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if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
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echo "Canceled."
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exit 0
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fi
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# All selections are validated at this point...
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# *_SELECT variables will have numeric index of 1+
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echo
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echo "Starting installation..."
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echo "Updating package index files..."
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apt-get update
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# Given a filename, a regex pattern to match and a replacement string,
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# perform replacement if found, else append replacement to end of file.
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# (# $1 = filename, $2 = pattern to match, $3 = replacement)
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reconfig() {
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grep $2 $1 >/dev/null
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if [ $? -eq 0 ]; then
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# Pattern found; replace in file
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sed -i s/$2/$3/g $1 >/dev/null
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else
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# Not found; append (silently)
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echo $3 | sudo tee -a $1 >/dev/null
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fi
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}
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# FBCP INSTALL -------------------------------------------------------------
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echo "Downloading and installing fbcp..."
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apt-get --yes --force-yes install cmake
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cd /tmp
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curl -LO https://github.com/tasanakorn/rpi-fbcp/archive/master.zip
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unzip master.zip
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cd rpi-fbcp-master
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mkdir build
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cd build
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cmake ..
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make
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install fbcp /usr/local/bin/fbcp
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cd ../..
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rm -rf rpi-fbcp-master
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# Add fbcp to /rc.local:
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grep fbcp /etc/rc.local >/dev/null
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if [ $? -eq 0 ]; then
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# fbcp already in rc.local, but make sure correct:
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sed -i "s/^.*fbcp.*$/\/usr\/local\/bin\/fbcp \&/g" /etc/rc.local >/dev/null
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else
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# Insert fbcp into rc.local before final 'exit 0'
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sed -i "s/^exit 0/\/usr\/local\/bin\/fbcp \&\\nexit 0/g" /etc/rc.local >/dev/null
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fi
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# PITFT SETUP (/boot/config.txt mostly) ------------------------------------
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echo "Configuring PiTFT..."
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# Enable SPI using raspi-config
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raspi-config nonint do_spi 0
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# Set up PiTFT device tree overlay
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reconfig /boot/config.txt "^.*dtoverlay=pitft.*$" "dtoverlay=${PITFT_VALUES[PITFT_SELECT-1]},rotate=90,speed=80000000,fps=60"
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# Set up framebuffer rotation
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reconfig /boot/config.txt "^.*display_rotate.*$" "display_rotate=${ROTATE_VALUES[ROTATE_SELECT-1]}"
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# Disable overscan compensation (use full screen):
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raspi-config nonint do_overscan 1
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# Set up HDMI parameters:
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reconfig /boot/config.txt "^.*hdmi_force_hotplug.*$" "hdmi_force_hotplug=1"
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reconfig /boot/config.txt "^.*hdmi_group.*$" "hdmi_group=2"
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reconfig /boot/config.txt "^.*hdmi_mode.*$" "hdmi_mode=87"
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reconfig /boot/config.txt "^.*hdmi_cvt.*$" "hdmi_cvt=${WIDTH_VALUES[PITFT_SELECT-1]} ${HEIGHT_VALUES[PITFT_SELECT-1]} 60 1 0 0 0"
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# Use smaller console font:
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reconfig /etc/default/console-setup "^.*FONTFACE.*$" "FONTFACE=\"Terminus\""
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reconfig /etc/default/console-setup "^.*FONTSIZE.*$" "FONTSIZE=\"6x12\""
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# PROMPT FOR REBOOT --------------------------------------------------------
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echo "Done."
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echo
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echo "Settings take effect on next boot."
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echo
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echo -n "REBOOT NOW? [y/N]"
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read
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if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
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echo "Exiting without reboot."
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exit 0
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fi
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echo "Reboot started..."
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reboot
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exit 0
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