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130 lines
3.5 KiB
130 lines
3.5 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 will install and/or modify"
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echo "packages needed for the Adafruit Pi"
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echo "Camera project. It requires that the"
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echo "adafruit-pitft.sh installer script (for"
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echo "PiTFT display support) was run first."
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echo
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echo "Operations performed include:"
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echo "- In /boot/config.txt, enable camera"
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echo "- apt-get update"
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echo "- Install Python libraries:"
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echo " picamera, pygame, PIL"
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echo "- Downgrade SDL library for pygame"
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echo " touch compatibility"
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echo "- Download Dropbox Updater and"
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echo " Adafruit Pi Cam software"
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echo
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echo "Run time 5+ minutes. Reboot required."
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echo
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if [ "$1" != '-y' ]; then
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echo -n "CONTINUE? [y/N]"
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read
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if [[ ! "$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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fi
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echo "Continuing..."
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if ! grep -q "dtoverlay=pitft" /boot/config.txt ; then
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echo "PiTFT overlay not in /boot/config.txt."
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echo "Download & run adafruit-pitft.sh first."
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echo "Canceling."
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exit 1
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fi
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echo "Configuring camera + PiTFT settings..."
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# Set PiTFT speed to 80 MHz, 60 Hz
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sed -i 's/speed=.*,fps=.*/speed=80000000,fps=60/g' /boot/config.txt
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# Check if Pi camera is enabled. If not, add it...
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if ! grep -q "^start_x=" /boot/config.txt ; then
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# start_x (camera) line not present, add it
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echo "start_x=1" >> /boot/config.txt
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else
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# start_x exists, make sure it's set to 1
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sed -i 's/^start_x=.*/start_x=1/g' /boot/config.txt
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fi
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# gpu_mem must be >= 128 MB for camera to work
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NUMBER=$(grep "^gpu_mem=" /boot/config.txt | sed 's/[^0-9]*//g')
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if [ -z $NUMBER ]; then
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# gpu_mem isn't set. Add to config
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echo "gpu_mem=128" >> /boot/config.txt
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elif [ $NUMBER -lt 128 ] ; then
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# gpu_mem present but too small; increase to 128MB
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sed -i 's/^gpu_mem=.*/gpu_mem=128/g' /boot/config.txt
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fi # else gpu_mem OK as-is
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echo "Installing prerequisite packages..."
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# Enable Wheezy package sources (for SDL downgrade)
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echo "deb http://archive.raspbian.org/raspbian wheezy main
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" > /etc/apt/sources.list.d/wheezy.list
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# Set 'stable' as default package source (current OS)
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echo "APT::Default-release \"stable\";
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" > /etc/apt/apt.conf.d/10defaultRelease
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# Set priority for libsdl from Wheezy higher than current package
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echo "Package: libsdl1.2debian
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Pin: release n=stretch
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Pin-Priority: -10
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Pin: release n=jessie
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Pin-Priority: -10
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Package: libsdl1.2debian
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Pin: release n=wheezy
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Pin-Priority: 900
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" > /etc/apt/preferences.d/libsdl
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# Update the APT package index files, install Python libraries
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sudo apt-get update
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sudo apt-get -y --force-yes install python-picamera python-pygame python-imaging
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echo "Downgrading SDL library..."
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apt-get -y --force-yes install libsdl1.2debian/wheezy
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echo "Downloading Dropbox uploader and"
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echo "Adafruit Pi Cam to home directory..."
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cd ~pi
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wget https://github.com/andreafabrizi/Dropbox-Uploader/archive/master.zip
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unzip master.zip
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rm master.zip
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mv Dropbox-Uploader-master Dropbox-Uploader
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wget https://github.com/adafruit/adafruit-pi-cam/archive/master.zip
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unzip master.zip
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rm master.zip
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chown -R pi:pi Dropbox-Uploader adafruit-pi-cam-master
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# Add lines to /etc/rc.local (commented out by default):
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sed -i 's/^exit 0/# Enable this line to run camera at startup:\n# cd \/home\/pi\/adafruit-pi-cam-master ; sudo python cam.py\n\nexit 0/g' /etc/rc.local
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# Prompt to reboot!
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echo
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echo "Camera and PiTFT settings won't take"
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echo "effect until 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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