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- #!/bin/bash
-
- if [ $(id -u) -ne 0 ]; then
- echo "Installer must be run as root."
- echo "Try 'sudo bash $0'"
- exit 1
- fi
-
- clear
-
- # smbus and ads1x15 Python libs are installed regardless whether ADC
- echo "This script installs software for the Adafruit"
- echo "Snake Eyes Bonnet for Raspberry Pi. Steps include:"
- echo "- Update package index files (apt-get update)"
- echo "- Install Python libraries: numpy, pi3d, svg.path,"
- echo " rpi-gpio, python3-dev, python3-pil"
- echo "- Install Adafruit eye code and data in /boot"
- echo "- Enable SPI0 and SPI1 peripherals if needed"
- echo "- Set HDMI resolution, disable overscan"
- echo "Run time ~25 minutes. Reboot required."
- echo "EXISTING INSTALLATION, IF ANY, WILL BE OVERWRITTEN."
- echo
- echo -n "CONTINUE? [y/N] "
- read
- if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
- echo "Canceled."
- exit 0
- fi
-
- # FEATURE PROMPTS ----------------------------------------------------------
- # Installation doesn't begin until after all user input is taken.
-
- INSTALL_HALT=0
- INSTALL_ADC=0
- INSTALL_GADGET=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 $REPLY
- fi
- done
- }
-
- SCREEN_VALUES=(-o -t -i)
- SCREEN_NAMES=("OLED (128x128)" "TFT (128x128)" "IPS (240x240)" HDMI)
- RADIUS_VALUES=(128 128 240)
- OPTION_NAMES=(NO YES)
- echo
- echo "Select screen type:"
- selectN "${SCREEN_NAMES[0]}" \
- "${SCREEN_NAMES[1]}" \
- "${SCREEN_NAMES[2]}" \
- "${SCREEN_NAMES[3]}"
- SCREEN_SELECT=$?
-
- 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=$REPLY
- fi
-
- echo -n "Install ADC support? [y/N] "
- read
- if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
- INSTALL_ADC=1
- fi
-
- echo -n "Install USB Ethernet gadget support? (Pi Zero) [y/N] "
- read
- if [[ "$REPLY" =~ (yes|y|Y)$ ]]; then
- INSTALL_GADGET=1
- fi
-
- echo
- echo "Screen type: ${SCREEN_NAMES[$SCREEN_SELECT-1]}"
- if [ $INSTALL_HALT -eq 1 ]; then
- echo "Install GPIO-halt: YES (GPIO$HALT_PIN)"
- else
- echo "Install GPIO-halt: NO"
- fi
- echo "ADC support: ${OPTION_NAMES[$INSTALL_ADC]}"
- echo "Ethernet USB gadget support: ${OPTION_NAMES[$INSTALL_GADGET]}"
- if [ $SCREEN_SELECT -eq 3 ]; then
- echo "Video resolution will be set to 1280x720, no overscan"
- else
- echo "Video resolution will be set to 640x480, no overscan"
- fi
- echo
- echo -n "CONTINUE? [y/N] "
- read
- if [[ ! "$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
- }
-
- # Same as above, but appends to same line rather than new line
- reconfig2() {
- grep $2 $1 >/dev/null
- if [ $? -eq 0 ]; then
- # Pattern found; replace in file
- sed -i "s/$2/$3/g" $1 >/dev/null
- else
- # Not found; append to line (silently)
- sed -i "s/$/ $3/g" $1 >/dev/null
- fi
- }
-
- echo
- echo "Starting installation..."
- echo "Updating package index files..."
- apt-get update
-
- echo "Installing Python libraries..."
- # WAS: apt-get install -y --force-yes python-pip python-dev python-imaging python-smbus
- apt-get install -y python3-pip python3-dev python3-pil python3-smbus libatlas-base-dev
- # WAS: pip3 install numpy pi3d svg.path rpi-gpio adafruit-ads1x15
- pip3 install numpy pi3d==2.34 svg.path rpi-gpio adafruit-blinka adafruit-circuitpython-ads1x15
- # smbus and Blinka+ADC libs are installed regardless whether ADC is
- # enabled; simplifies the Python code a little (no "uncomment this")
-
- echo "Installing Adafruit code and data in /boot..."
- cd /tmp
- curl -LO https://github.com/adafruit/Pi_Eyes/archive/master.zip
- unzip master.zip
- # Moving between filesystems requires copy-and-delete:
- cp -r Pi_Eyes-master /boot/Pi_Eyes
- rm -rf master.zip Pi_Eyes-master
- if [ $INSTALL_HALT -ne 0 ]; then
- echo "Installing gpio-halt in /usr/local/bin..."
- curl -LO https://github.com/adafruit/Adafruit-GPIO-Halt/archive/master.zip
- unzip master.zip
- cd Adafruit-GPIO-Halt-master
- make
- mv gpio-halt /usr/local/bin
- cd ..
- rm -rf Adafruit-GPIO-Halt-master
- fi
-
- # CONFIG -------------------------------------------------------------------
-
- echo "Configuring system..."
-
- # Disable overscan compensation (use full screen):
- raspi-config nonint do_overscan 1
-
- # HDMI settings for Pi eyes
- reconfig /boot/config.txt "^.*hdmi_force_hotplug.*$" "hdmi_force_hotplug=1"
- reconfig /boot/config.txt "^.*hdmi_group.*$" "hdmi_group=2"
- reconfig /boot/config.txt "^.*hdmi_mode.*$" "hdmi_mode=87"
- if [ $SCREEN_SELECT -eq 3 ]; then
- # IPS display - set HDMI to 1280x720
- reconfig /boot/config.txt "^.*hdmi_cvt.*$" "hdmi_cvt=1280 720 60 1 0 0 0"
- else
- # All others - set HDMI to 640x480
- reconfig /boot/config.txt "^.*hdmi_cvt.*$" "hdmi_cvt=640 480 60 1 0 0 0"
- fi
-
- # Enable I2C for ADC
- if [ $INSTALL_ADC -ne 0 ]; then
- raspi-config nonint do_i2c 0
- 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
-
- # If using OLED, TFT or IPS, enable SPI and install fbx2 and eyes.py,
- # else (HDMI) skip SPI, fbx2 and install cyclops.py (single eye)
- if [ $SCREEN_SELECT -ne 4 ]; then
-
- # Enable SPI0 using raspi-config
- raspi-config nonint do_spi 0
-
- # Enable SPI1 by adding overlay to /boot/config.txt
- reconfig /boot/config.txt "^.*dtparam=spi1.*$" "dtparam=spi1=on"
- reconfig /boot/config.txt "^.*dtoverlay=spi1.*$" "dtoverlay=spi1-3cs"
-
- # Adjust spidev buffer size to 8K (default is 4K)
- reconfig2 /boot/cmdline.txt "spidev\.bufsiz=.*" "spidev.bufsiz=8192"
-
- SCREEN_OPT=${SCREEN_VALUES[($SCREEN_SELECT-1)]}
-
- # Auto-start fbx2 on boot
- grep fbx2 /etc/rc.local >/dev/null
- if [ $? -eq 0 ]; then
- # fbx2 already in rc.local, but make sure correct:
- sed -i "s/^.*fbx2.*$/\/boot\/Pi_Eyes\/fbx2 $SCREEN_OPT \&/g" /etc/rc.local >/dev/null
- else
- # Insert fbx2 into rc.local before final 'exit 0'
- sed -i "s/^exit 0/\/boot\/Pi_Eyes\/fbx2 $SCREEN_OPT \&\\nexit 0/g" /etc/rc.local >/dev/null
- fi
-
- RADIUS=${RADIUS_VALUES[($SCREEN_SELECT-1)]}
- # Auto-start eyes.py on boot
- grep eyes.py /etc/rc.local >/dev/null
- if [ $? -eq 0 ]; then
- # eyes.py already in rc.local, but make sure correct:
- sed -i "s/^.*eyes.py.*$/cd \/boot\/Pi_Eyes;python3 eyes.py --radius $RADIUS \&/g" /etc/rc.local >/dev/null
- else
- # Insert eyes.py into rc.local before final 'exit 0'
- sed -i "s/^exit 0/cd \/boot\/Pi_Eyes;python3 eyes.py --radius $RADIUS \&\\nexit 0/g" /etc/rc.local >/dev/null
- fi
-
- else
-
- # Auto-start cyclops.py on boot
- grep cyclops.py /etc/rc.local >/dev/null
- if [ $? -eq 0 ]; then
- # cyclops.py already in rc.local, but make sure correct:
- sed -i "s/^.*cyclops.py.*$/cd \/boot\/Pi_Eyes;python3 cyclops.py \&/g" /etc/rc.local >/dev/null
- else
- # Insert cyclops.py into rc.local before final 'exit 0'
- sed -i "s/^exit 0/cd \/boot\/Pi_Eyes;python3 cyclops.py \&\\nexit 0/g" /etc/rc.local >/dev/null
- fi
-
- fi
-
- if [ $INSTALL_GADGET -ne 0 ]; then
- reconfig /boot/config.txt "^.*dtoverlay=dwc2.*$" "dtoverlay=dwc2"
- grep "modules-load=dwc2,g_ether" /boot/cmdline.txt >/dev/null
- if [ $? -ne 0 ]; then
- # Insert ethernet gadget into config.txt after 'rootwait'
- sed -i "s/rootwait/rootwait modules-load=dwc2,g_ether/g" /boot/cmdline.txt >/dev/null
- fi
- fi
-
- # PROMPT FOR REBOOT --------------------------------------------------------
-
- echo "Done."
- echo
- echo "Settings take effect on next boot."
- echo
- echo -n "REBOOT NOW? [y/N] "
- read
- if [[ ! "$REPLY" =~ ^(yes|y|Y)$ ]]; then
- echo "Exiting without reboot."
- exit 0
- fi
- echo "Reboot started..."
- reboot
- exit 0
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