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182 lines
4.7 KiB
182 lines
4.7 KiB
#!/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 $0'"
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exit 1
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fi
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clear
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echo "This script installs software for the Adafruit"
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echo "Joy Bonnet for Raspberry Pi. Steps include:"
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echo "- Update package index files (apt-get update)."
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echo "- Install Python libraries: smbus, evdev."
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echo "- Install joyBonnet.py in /boot and"
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echo " configure /etc/rc.local to auto-start script."
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echo "- Enable I2C bus."
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echo "- OPTIONAL: disable overscan."
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echo "Run time ~10 minutes. Reboot required."
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echo "EXISTING INSTALLATION, IF ANY, WILL BE OVERWRITTEN."
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echo
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echo -n "CONTINUE? [y/N] "
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read
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if [[ ! "$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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DISABLE_OVERSCAN=0
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INSTALL_HALT=0
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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 $REPLY
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fi
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done
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}
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echo -n "Disable overscan? [y/N] "
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read
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if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
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DISABLE_OVERSCAN=1
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fi
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echo -n "Install GPIO-halt utility? [y/N] "
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read
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if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
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INSTALL_HALT=1
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echo -n "GPIO pin for halt: "
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read
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HALT_PIN=$REPLY
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fi
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echo
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if [ $DISABLE_OVERSCAN -eq 1 ]; then
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echo "Overscan: disable."
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else
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echo "Overscan: keep current setting."
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fi
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if [ $INSTALL_HALT -eq 1 ]; then
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echo "Install GPIO-halt: YES (GPIO$HALT_PIN)"
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else
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echo "Install GPIO-halt: NO"
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fi
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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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# START INSTALL ------------------------------------------------------------
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# All selections are validated at this point...
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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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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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echo "Installing Python libraries..."
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apt-get install -y --force-yes python-pip python-dev python-smbus
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pip install evdev --upgrade
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echo "Installing Adafruit code in /boot..."
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cd /tmp
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curl -LO https://raw.githubusercontent.com/adafruit/Adafruit-Retrogame/master/joyBonnet.py
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# Moving between filesystems requires copy-and-delete:
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cp -r joyBonnet.py /boot
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rm -f joyBonnet.py
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if [ $INSTALL_HALT -ne 0 ]; then
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echo "Installing gpio-halt in /usr/local/bin..."
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curl -LO https://github.com/adafruit/Adafruit-GPIO-Halt/archive/master.zip
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unzip master.zip
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cd Adafruit-GPIO-Halt-master
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make
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mv gpio-halt /usr/local/bin
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cd ..
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rm -rf Adafruit-GPIO-Halt-master
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fi
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# CONFIG -------------------------------------------------------------------
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echo "Configuring system..."
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# Enable I2C using raspi-config
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raspi-config nonint do_i2c 0
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# Disable overscan compensation (use full screen):
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if [ $DISABLE_OVERSCAN -eq 1 ]; then
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raspi-config nonint do_overscan 1
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fi
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if [ $INSTALL_HALT -ne 0 ]; then
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# Add gpio-halt to /rc.local:
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grep gpio-halt /etc/rc.local >/dev/null
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if [ $? -eq 0 ]; then
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# gpio-halt already in rc.local, but make sure correct:
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sed -i "s/^.*gpio-halt.*$/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&/g" /etc/rc.local >/dev/null
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else
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# Insert gpio-halt into rc.local before final 'exit 0'
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sed -i "s/^exit 0/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&\\nexit 0/g" /etc/rc.local >/dev/null
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fi
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fi
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# Auto-start joyBonnet.py on boot
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grep joyBonnet.py /etc/rc.local >/dev/null
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if [ $? -eq 0 ]; then
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# joyBonnet.py already in rc.local, but make sure correct:
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sed -i "s/^.*joyBonnet.py.*$/cd \/boot;python joyBonnet.py \&/g" /etc/rc.local >/dev/null
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else
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# Insert joyBonnet.py into rc.local before final 'exit 0'
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sed -i "s/^exit 0/cd \/boot;python joyBonnet.py \&\\nexit 0/g" /etc/rc.local >/dev/null
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fi
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# Add udev rule (will overwrite if present)
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echo "SUBSYSTEM==\"input\", ATTRS{name}==\"retrogame\", ENV{ID_INPUT_KEYBOARD}=\"1\"" > /etc/udev/rules.d/10-retrogame.rules
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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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