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m (Created page with "The Raspberry Pi is an inexpensive Linux Computer which you can for example use to play back videos (up to Fill-HD). This page shows you how to set it up: == Making the Rapberr...") |
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Connect to the internet (Ethernet + DHCP) and bring the OS up to date: | Connect to the internet (Ethernet + DHCP) and bring the OS up to date: | ||
sudo apt-get update | sudo apt-get update | ||
sudo apt-get upgrade | sudo apt-get upgrade | ||
Test video playback: | Test video playback: [http://www.raspberrypi.org/documentation/usage/video/README.md source] | ||
omxplayer /opt/vc/src/hello_pi/hello_video/test.h264 | omxplayer /opt/vc/src/hello_pi/hello_video/test.h264 | ||
add option -r to change display frame rate and resolution to the one that the movie file has: | add option -r to change display frame rate and resolution to the one that the movie file has: | ||
omxplayer -r /opt/vc/src/hello_pi/hello_video/test.h264 | omxplayer -r /opt/vc/src/hello_pi/hello_video/test.h264 | ||
startup_script.sh | startup_script.sh | ||
clear | clear | ||
echo "Startup script running" | echo "Startup script running" | ||
echo "some useful information here" | echo "some useful information here" | ||
sleep 2 | sleep 2 | ||
omxplayer -r movie.mp4 --loop | omxplayer -r movie.mp4 --loop | ||
Line 36: | Line 34: | ||
Step 1: Open a terminal session and edit inittab file. | Step 1: Open a terminal session and edit inittab file. | ||
sudo nano /etc/inittab | sudo nano /etc/inittab | ||
Step 2: Disable the getty program. | Step 2: Disable the getty program. | ||
Navigate to the following line in inittab | Navigate to the following line in inittab | ||
1:2345:respawn:/sbin/getty 115200 tty1 | 1:2345:respawn:/sbin/getty 115200 tty1 | ||
And add a # at the beginning of the line to comment it out | And add a # at the beginning of the line to comment it out | ||
#1:2345:respawn:/sbin/getty 115200 tty1 | #1:2345:respawn:/sbin/getty 115200 tty1 | ||
Step 3: Add login program to inittab. | Step 3: Add login program to inittab. | ||
Add the following line just below the commented line | Add the following line just below the commented line | ||
1:2345:respawn:/bin/login -f pi tty1 </dev/tty1 >/dev/tty1 2>&1 | 1:2345:respawn:/bin/login -f pi tty1 </dev/tty1 >/dev/tty1 2>&1 | ||
This will run the login program with pi user and without any authentication | This will run the login program with pi user and without any authentication | ||
Step 4: Save and Exit. | Step 4: Save and Exit. | ||
Make it start the script automatically: | Make it start the script automatically: | ||
sudo nano .bashrc | sudo nano .bashrc | ||
and right at the end put: | and right at the end put: | ||
if [ $(tty) == /dev/tty1 ]; then | if [ $(tty) == /dev/tty1 ]; then | ||
./startup_script.sh | ./startup_script.sh | ||
fi | fi | ||
==Synchronizing multiple RaspberryPis== | |||
maybe you want to have the different pis different hostnames, so you don't get | maybe you want to have the different pis different hostnames, so you don't get confused | ||
sudo raspi-config | sudo raspi-config | ||
install pexpect: | install pexpect: | ||
sudo apt-get install python-pexpect | sudo apt-get install python-pexpect | ||
install python bindings for DBUS https://github.com/LEW21/pydbus | install python bindings for DBUS https://github.com/LEW21/pydbus | ||
sudo apt-get install python3-setuptools | sudo apt-get install python3-setuptools | ||
sudo wget https://github.com/LEW21/pydbus/archive/master.zip | sudo wget https://github.com/LEW21/pydbus/archive/master.zip | ||
sudo unzip master.zip | sudo unzip master.zip | ||
rm master.zip | rm master.zip | ||
cd pydbus-master/ | cd pydbus-master/ | ||
sudo chmod 777 setup.py | sudo chmod 777 setup.py | ||
sudo ./setup.py build | sudo ./setup.py build | ||
sudo ./setup.py install | sudo ./setup.py install | ||
sudo apt-get remove omxplayer | sudo apt-get remove omxplayer | ||
sudo rm -rf /usr/bin/omxplayer /usr/bin/omxplayer.bin /usr/lib/omxplayer | sudo rm -rf /usr/bin/omxplayer /usr/bin/omxplayer.bin /usr/lib/omxplayer | ||
sudo wget -O- http://yokto.net/0/omxplayer/omxplayer-3176db4.tar.bz2 | sudo tar -C / -xjvf - | sudo wget -O- http://yokto.net/0/omxplayer/omxplayer-3176db4.tar.bz2 | sudo tar -C / -xjvf - | ||
sudo ln -sf /lib/arm-linux-gnueabihf/libpcre.so.3 /lib/arm-linux-gnueabihf/libpcre.so.1 | sudo ln -sf /lib/arm-linux-gnueabihf/libpcre.so.3 /lib/arm-linux-gnueabihf/libpcre.so.1 | ||
sudo wget -O /usr/bin/omxplayer-sync https://github.com/turingmachine/omxplayer-sync/raw/master/omxplayer-sync | sudo wget -O /usr/bin/omxplayer-sync https://github.com/turingmachine/omxplayer-sync/raw/master/omxplayer-sync | ||
sudo chmod 0755 /usr/bin/omxplayer-sync | sudo chmod 0755 /usr/bin/omxplayer-sync | ||
sudo wget https://github.com/turingmachine/omxplayer-sync/raw/master/synctest.mp4 | sudo wget https://github.com/turingmachine/omxplayer-sync/raw/master/synctest.mp4 | ||
Make a local network, connect them with Ethernet cable (+Hub if more then two) and configure static IPs | Make a local network, connect them with Ethernet cable (+Hub if more then two) and configure static IPs [http://elinux.org/Configuring_a_Static_IP_address_on_your_Raspberry_Pi source] | ||
http://elinux.org/Configuring_a_Static_IP_address_on_your_Raspberry_Pi | sudo nano /etc/network/interfaces | ||
sudo nano /etc/network/interfaces | |||
# start on master | # start on master | ||
omxplayer-sync -muv synctest.mp4 | omxplayer-sync -muv synctest.mp4 | ||
# start on slave | # start on slave | ||
omxplayer-sync -luv synctest.mp4 | omxplayer-sync -luv synctest.mp4 | ||
==Notes== | |||
other ressources: | other ressources: | ||
Use multiple RasberryPis to make a video wall (needs one extra server-Pi, plus one Pi per client) http://www.piwall.co.uk | Use multiple RasberryPis to make a video wall (needs one extra server-Pi, plus one Pi per client) [http://www.piwall.co.uk Piwall] | ||
make a backup of SDCard: | make a backup of SDCard: | ||
sudo dd if="/dev/mmcblk0" of="Pi.bin" | sudo dd if="/dev/mmcblk0" of="Pi.bin" | ||
put backup on card: | put backup on card: | ||
sudo dd bs=4M if=Pi.bin of=/dev/mmcblk0 | sudo dd bs=4M if=Pi.bin of=/dev/mmcblk0 | ||
(both these commands take a long time and the terminal seems like frozen, there is no progress feedback) | (both these commands take a long time and the terminal seems like frozen, there is no progress feedback) | ||
reboot: | reboot: | ||
sudo reboot -h | sudo reboot -h | ||
shutdown: | shutdown: | ||
sudo shutdown -h now | sudo shutdown -h now |