Install OpenCV on minimal Raspbian image for use with: https://github.com/Lauszus/ImageAnalysisWithMicrocomputer30330

install_opencv.sh

#!/bin/bash -e
# Based on: http://www.pyimagesearch.com/2015/10/26/how-to-install-opencv-3-on-raspbian-jessie

sudo apt-get -y install build-essential git-core cmake pkg-config
sudo apt-get -y install libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev
sudo apt-get -y install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get -y install libxvidcore-dev libx264-dev
sudo apt-get -y install libgtk2.0-dev
sudo apt-get -y install libatlas-base-dev gfortran
sudo apt-get -y install python2.7-dev python-numpy
sudo apt-get -y install unzip

# Use Github API to find latest release version:
version="$(curl -s https://api.github.com/repos/opencv/opencv/releases | python -mjson.tool | grep 'tag_name' | cut -d'"' -f4 | sort -rn | head -1)"

cd
wget -O opencv.zip https://github.com/opencv/opencv/archive/$version.zip
unzip -o opencv.zip
rm opencv.zip

wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/$version.zip
unzip -o opencv_contrib.zip
rm opencv_contrib.zip

cd ~/opencv-$version
mkdir build
cd build

cmake -D CMAKE_BUILD_TYPE=RELEASE \
	-D CMAKE_INSTALL_PREFIX=/usr/local \
	-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-$version/modules \
	-D ENABLE_NEON=ON \
	-D WITH_V4L=ON \
	-D INSTALL_C_EXAMPLES=ON \
	-D INSTALL_PYTHON_EXAMPLES=ON \
	-D BUILD_EXAMPLES=ON ..

make -j4
sudo make install
sudo sh -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
sudo ldconfig

notes.txt

# https://github.com/debian-pi/raspbian-ua-netinst
$ wget `curl -s https://api.github.com/repos/debian-pi/raspbian-ua-netinst/releases/latest | python -mjson.tool | grep 'browser_download_url' | grep 'img.bz2' | cut -d'"' -f4` -O raspbian-ua-netinst.img.bz2
$ bunzip2 raspbian-ua-netinst.img.bz2
$ diskutil list
$ diskutil unmountDisk /dev/diskX
$ sudo dd bs=1m if=`ls raspbian-ua-netinst-*.img` of=/dev/rdiskX
$ diskutil eject /dev/diskX

# Login:
# Username: root
# Password: raspbian

$ passwd

$ apt-get install avahi-daemon

$ ssh root@pi.local

# https://www.raspberrypi.org/documentation/linux/usage/users.md
$ adduser pi
$ apt-get install sudo
$ usermod -a -G sudo,video pi # Add user to sudo and video group, so one can use sudo and the Raspberry camera works

# Optional: give passwordless sudo access:
$ visudo
# pi   ALL = NOPASSWD: ALL

# Optional: use improved memory management performance functions and create swap:
$ sudo apt-get install raspi-copies-and-fills
$ sudo dd if=/dev/zero of=/swap bs=1M count=512
$ sudo mkswap /swap
$ sudo sh -c 'echo "/swap none swap sw 0 0" >> /etc/fstab'

$ exit

# https://www.raspberrypi.org/documentation/remote-access/ssh/passwordless.md
$ ssh pi@pi.local 'mkdir ~/.ssh'
$ cat ~/.ssh/id_rsa.pub | ssh pi@pi.local 'cat >> .ssh/authorized_keys'

$ ssh pi@pi.local
$ sudo locale-gen en_US en_US.UTF-8
$ echo -e "export LC_ALL=\"en_US.UTF-8\"\nexport LANG=\"en_US.UTF-8\"" >> ~/.bash_profile
$ . ~/.bash_profile

$ sudo apt-get install apt-utils
$ sudo apt-get install keyboard-configuration
$ sudo apt-get install raspi-config rpi-update

# Expand partition, fix locals, timezone, keyboard layout, enable camera, optional overclock
$ sudo raspi-config
# Reboot

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo rpi-update
$ sudo reboot

# Install OpenCV
$ curl https://gist.githubusercontent.com/Lauszus/c8ce73f3177d6455c27c/raw/install_opencv.sh | bash

# X11
$ sudo apt-get install xorg

# Run script on display remotely
$ echo "export DISPLAY=:0" >> ~/.bash_profile

# https://www.raspberrypi.org/documentation/usage/camera/raspicam/raspistill.md
# Should now be able to show pictures:
$ raspistill -o cam.jpg

# UV4L
# Install instructions (source: http://www.linux-projects.org/modules/sections/index.php?op=viewarticle&artid=14):
$ curl http://www.linux-projects.org/listing/uv4l_repo/lrkey.asc | sudo apt-key add -
$ sudo sh -c 'echo "deb http://www.linux-projects.org/listing/uv4l_repo/raspbian/ wheezy main" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install uv4l uv4l-raspicam
# Optional:
$ sudo apt-get install uv4l-raspicam-extras
$ sudo service uv4l_raspicam restart
# Configuration: /etc/uv4l/uv4l-raspicam.conf
# Remove preview: nopreview = yes

# Example (based on http://www.linux-projects.org/modules/sections/index.php?op=viewarticle&artid=16#example4):
$ wget http://linux-projects.org/downloads/examples/opencv_test.cpp
$ g++ `pkg-config --cflags opencv` -o `basename opencv_test.cpp .cpp` opencv_test.cpp `pkg-config --libs opencv` -L/usr/lib/uv4l/uv4lext/armv6l -luv4lext -Wl,-rpath,'/usr/lib/uv4l/uv4lext/armv6l'
$ uv4l --driver raspicam --auto-video_nr --encoding yuv420 --width 320 --height 240 # Manually load uv4l if you have not installed the optional uv4l-raspicam-extras package
$ ./opencv_test
# Makefile: https://github.com/Lauszus/ImageAnalysisWithMicrocomputer30330/blob/master/ZomBuster/src/Makefile

# i3
$ sudo apt-get install i3

$ sudo apt-get autoremove
$ sudo apt-get autoclean

# Disable Camera module LED:
$ sudo sh -c 'echo "disable_camera_led=1" >> /boot/config.txt'

# WiringPi
$ sudo apt-get -y install build-essential git-core make
$ git clone git://git.drogon.net/wiringPi
$ cd wiringPi
$ ./build
# Test WiringPi
$ gpio -v
$ gpio readall

# WiFi
# Check that driver is detected
$ dmesg | grep -i wlan
# Scan
$ sudo apt-get install wireless-tools
$ sudo iwlist wlan0 scan
# Replace SSID and PASSWORD with your the network name and password
$ sudo sh -c 'echo "\nallow-hotplug wlan0\nauto wlan0\niface wlan0 inet dhcp\n\twpa-ssid \"SSID\"\n\twpa-psk \"PASSWORD\"\n" >> /etc/network/interfaces'
$ sudo /etc/init.d/networking restart
# Make sure interface is detected
$ sudo ifconfig wlan0

# Upload and compile on remote machine
scp main.cpp pi@pi.local:~/ImageAnalysisWithMicrocomputer30330/ZomBuster/src && ssh pi@pi.local "make -j4 -C ~/ImageAnalysisWithMicrocomputer30330/ZomBuster/src"

# Mount file system
$ sshfs pi@pi.local:~/ImageAnalysisWithMicrocomputer30330/ZomBuster/src ~/sshfs -o noappledouble
$ umount ~/sshfs

# Reference:
# http://www.pyimagesearch.com/2015/10/26/how-to-install-opencv-3-on-raspbian-jessie
# http://milq.github.io/install-opencv-ubuntu-debian
# https://github.com/milq/scripts-ubuntu-debian/blob/master/install-opencv.sh
# http://raspberrypi.stackexchange.com/questions/27232/installing-opencv-3-0-on-raspberry-pi-b
# https://github.com/jayrambhia/Install-OpenCV
# https://help.ubuntu.com/community/OpenCV

ZomBuster.sh

#!/bin/bash -e

gpio mode 8 up # Input with internal pull-up resistor

#echo "Compiling..."
#make -C ~/ImageAnalysisWithMicrocomputer30330/ZomBuster/src 1> /dev/null

echo "Press button to start"
while true; do
        while [ $(gpio read 8) == 1 ]; do
                sleep .1 # Wait until button is pressed
        done
        while [ $(gpio read 8) == 0 ]; do
                sleep .1 # Wait until button is released again
        done
        echo "Starting..."
        sudo ~/ImageAnalysisWithMicrocomputer30330/ZomBuster/src/bin/main 2> /dev/null
        while [ $(gpio read 8) == 0 ]; do
                sleep .1 # Wait until button is released again
        done
        echo -e "\nPress button to restart"
done