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- #!/bin/bash
-
- if [ $(id -u) -ne 0 ]; then
- echo "Installer must be run as root."
- echo "Try 'sudo bash $0'"
- exit 1
- fi
-
- clear
-
- echo "This script installs software for the Adafruit"
- echo "Joy Bonnet for Raspberry Pi. Steps include:"
- echo "- Update package index files (apt-get update)."
- echo "- Install Python libraries: smbus, evdev."
- echo "- Install joyBonnet.py in /boot and"
- echo " configure /etc/rc.local to auto-start script."
- echo "- Enable I2C bus."
- echo "- OPTIONAL: disable overscan."
- echo "Run time ~10 minutes. Reboot required."
- echo "EXISTING INSTALLATION, IF ANY, WILL BE OVERWRITTEN."
- echo
- echo -n "CONTINUE? [y/N] "
- read
- if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
- echo "Canceled."
- exit 0
- fi
-
- # FEATURE PROMPTS ----------------------------------------------------------
- # Installation doesn't begin until after all user input is taken.
-
- DISABLE_OVERSCAN=0
- INSTALL_HALT=0
-
- # 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 $REPLY
- fi
- done
- }
-
- echo -n "Disable overscan? [y/N] "
- read
- if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
- DISABLE_OVERSCAN=1
- fi
-
- echo -n "Install GPIO-halt utility? [y/N] "
- read
- if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
- INSTALL_HALT=1
- echo -n "GPIO pin for halt: "
- read
- HALT_PIN=$REPLY
- fi
-
- echo
- if [ $DISABLE_OVERSCAN -eq 1 ]; then
- echo "Overscan: disable."
- else
- echo "Overscan: keep current setting."
- fi
- if [ $INSTALL_HALT -eq 1 ]; then
- echo "Install GPIO-halt: YES (GPIO$HALT_PIN)"
- else
- echo "Install GPIO-halt: NO"
- fi
- echo
- echo -n "CONTINUE? [y/N] "
- read
- if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
- echo "Canceled."
- exit 0
- fi
-
- # START INSTALL ------------------------------------------------------------
- # All selections are validated at this point...
-
- # 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
- }
-
- echo
- echo "Starting installation..."
- echo "Updating package index files..."
- apt-get update
-
- echo "Installing Python libraries..."
- apt-get install -y --force-yes python-pip python-dev python-smbus
- pip install evdev --upgrade
-
- echo "Installing Adafruit code in /boot..."
- cd /tmp
- curl -LO https://raw.githubusercontent.com/adafruit/Adafruit-Retrogame/master/joyBonnet.py
- # Moving between filesystems requires copy-and-delete:
- cp -r joyBonnet.py /boot
- rm -f joyBonnet.py
- if [ $INSTALL_HALT -ne 0 ]; then
- echo "Installing gpio-halt in /usr/local/bin..."
- curl -LO https://github.com/adafruit/Adafruit-GPIO-Halt/archive/master.zip
- unzip master.zip
- cd Adafruit-GPIO-Halt-master
- make
- mv gpio-halt /usr/local/bin
- cd ..
- rm -rf Adafruit-GPIO-Halt-master
- fi
-
- # CONFIG -------------------------------------------------------------------
-
- echo "Configuring system..."
-
- # Enable I2C using raspi-config
- raspi-config nonint do_i2c 0
-
- # Disable overscan compensation (use full screen):
- if [ $DISABLE_OVERSCAN -eq 1 ]; then
- raspi-config nonint do_overscan 1
- fi
-
- if [ $INSTALL_HALT -ne 0 ]; then
- # Add gpio-halt to /rc.local:
- grep gpio-halt /etc/rc.local >/dev/null
- if [ $? -eq 0 ]; then
- # gpio-halt already in rc.local, but make sure correct:
- sed -i "s/^.*gpio-halt.*$/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&/g" /etc/rc.local >/dev/null
- else
- # Insert gpio-halt into rc.local before final 'exit 0'
- sed -i "s/^exit 0/\/usr\/local\/bin\/gpio-halt $HALT_PIN \&\\nexit 0/g" /etc/rc.local >/dev/null
- fi
- fi
-
- # Auto-start joyBonnet.py on boot
- grep joyBonnet.py /etc/rc.local >/dev/null
- if [ $? -eq 0 ]; then
- # joyBonnet.py already in rc.local, but make sure correct:
- sed -i "s/^.*joyBonnet.py.*$/cd \/boot;python joyBonnet.py \&/g" /etc/rc.local >/dev/null
- else
- # Insert joyBonnet.py into rc.local before final 'exit 0'
- sed -i "s/^exit 0/cd \/boot;python joyBonnet.py \&\\nexit 0/g" /etc/rc.local >/dev/null
- fi
-
- # Add udev rule (will overwrite if present)
- echo "SUBSYSTEM==\"input\", ATTRS{name}==\"retrogame\", ENV{ID_INPUT_KEYBOARD}=\"1\"" > /etc/udev/rules.d/10-retrogame.rules
-
- # PROMPT FOR REBOOT --------------------------------------------------------
-
- echo "Done."
- 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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