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piplayer/notes.md
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tilman 766462bed2 Update notes.md
2018-10-21 08:03:04 +00:00

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# To Do
## mopidy / spotify
### Installation
https://www.raspberrypi.org/documentation/remote-access/ssh/ --> file "ssh" on boot partition
[basic setup] -lirc -moc
sudo apt-get install python-pip
sudo apt-get install python3-pip
sudo pip3 install requests
curl https://get.pimoroni.com/phatdac | bash
--> reboot
--> test curl https://get.pimoroni.com/phatdac | bash
nach https://docs.mopidy.com/en/latest/installation/
wget -q -O - https://apt.mopidy.com/mopidy.gpg | sudo apt-key add -
sudo wget -q -O /etc/apt/sources.list.d/mopidy.list https://apt.mopidy.com/jessie.list
sudo apt-get update
sudo apt-get install mopidy
nach https://github.com/mopidy/mopidy-spotify#installation
sudo apt-get install mopidy-spotify
https://docs.mopidy.com/en/latest/ext/web/#mopidy-api-explorer
sudo pip install Mopidy-API-Explorer
--> http://localhost:6680/api_explorer/
sudo apt-get install ncmpcpp
--> https://www.mopidy.com/authenticate/#spotify
### Service einrichten (https://docs.mopidy.com/en/latest/service/)
sudo mopidyctl config
sudo nano /etc/mopidy/mopidy.conf
[http]
hostname = ::
static_dir = /opt/webclient
[local]
enabled = false
# ----------------------------------------------------
# optional:
media_dir = /media/share/Kinder
[m3u]
playlists_dir = /media/share/Kinder/00_playlists
# ----------------------------------------------------
[spotify]
username = tliero@gmx.net
password = ********
client_id = <ID from authentication>
client_secret = <secret from authentication>
sudo systemctl enable mopidy
sudo reboot
sudo systemctl status mopidy
--> http://192.168.1.142:6680/mopidy/
sudo apt-get install git
### moped web client https://github.com/martijnboland/moped (nach http://krausix.de/mopidy-raspberry-pi/)
sudo mkdir /opt/webclient
cd /opt/webclient
sudo git clone https://github.com/martijnboland/moped.git
sudo mv moped/dist/* .
cd ..
sudo chown -R mopidy webclient
sudo service mopidy restart
--> http://192.168.1.142:6680/
### alternativ: musicbox web client https://github.com/pimusicbox/mopidy-musicbox-webclient
sudo mkdir /opt/mopidy-musicbox-webclient
cd /opt/mopidy-musicbox-webclient/
sudo git clone https://github.com/pimusicbox/mopidy-musicbox-webclient
cd mopidy-musicbox-webclient
sudo python setup.py install
cd ..
sudo mv mopidy-musicbox-webclient/dist/* .
cd ..
sudo chown -R mopidy mopidy-musicbox-webclient
sudo service mopidy restart
--> http://192.168.1.142:6680/musicbox_webclient/
sudo mkdir /media/share
sudo chmod 777 /media/share
sudo nano /etc/rc.local
# make /tmp on RAM disk writable
chmod 777 /tmp
# disable HDMI
/usr/bin/tvservice -o
# mount share
sudo mount -t cifs -o user=guest,password= //192.168.1.125/hidrive/Media/Audio /media/share
# start piplayer
su pi -c 'python3 /home/pi/piplayer3.py >> /tmp/piplayer3.log 2>&1 &'
sudo reboot
### piplayer as service
sudo nano /lib/systemd/system/piplayer.service
[Unit]
Description=piplayer
After=mopidy.service
Requires=mopidy.service
[Service]
Type=simple
#ExecStart=/usr/bin/python3 /home/pi/piplayer3.py > /tmp/piplayer3.log 2>&1
ExecStart=/bin/bash -c 'exec python3 /home/pi/piplayer3.py >> /tmp/piplayer3.log 2>&1'
User=pi
[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable piplayer.service
-- nach reboot
systemctl
systemctl list-dependencies piplayer
journalctl -e
sudo systemctl restart piplayer.service
-- show mopidy service config
sudo mopidyctl config
# Fehlerbehebung
[1] Nov 22 19:05:20 raspberrypi ntpd[445]: frequency file /var/lib/ntp/ntp.drift.TEMP: Read-only file system
[2] Nov 22 19:58:37 raspberrypi mopidy[403]: ERROR Error reading playlist m3u:%5BRadio%20Streams%5D.m3u8: Permission denied
[3] Nov 22 20:29:43 raspberrypi mopidy[403]: ERROR Loading logging config '/etc/mopidy/logging.conf' failed. [Errno 2] No such file or directory: '/var/log/
--> Lösungen
[1]
sudo nano /etc/ntp.conf
#driftfile /var/lib/ntp/ntp.drift
driftfile /tmp/ntp.drift
[2]
#sudo chmod 777 /var/lib/mopidy/playlists/\[Radio\ Streams\].m3u8
sudo chmod 777 /media/share/Kinder/00_playlists/\[Radio\ Streams\].m3u8
[3]
sudo nano /etc/mopidy/logging.conf
#args = ('/var/log/mopidy/mopidy.log',)
args = ('/tmp/mopidy.log',)
# Switch to RAM disk and set the filesystem read-only
### fstab
proc /proc proc defaults 0 0
/dev/mmcblk0p1 /boot vfat defaults,ro 0 2
/dev/mmcblk0p2 / ext4 defaults,noatime,ro 0 1
tmpfs /var/log tmpfs nodev,nosuid 0 0
tmpfs /var/tmp tmpfs nodev,nosuid,mode=1777 0 0
tmpfs /var/cache tmpfs nodev,nosuid,mode=1777 0 0
tmpfs /tmp tmpfs nodev,nosuid,mode=1777 0 0
tmpfs /home/pi/.config tmpfs nodev,nosuid,mode=1777,uid=pi 0 0
tmpfs /var/lib/mopidy/.config tmpfs nodev,nosuid,mode=1777,uid=mopidy 0 0
## Info ausgeben
dmesg
journalctl -e
cat /tmp/mopidy.log
tail -f /tmp/piplayer3.log
ps -ef | grep python
sudo systemctl status piplayer
sudo mount -o rw,remount / && sudo mount -o rw,remount /boot
sudo fswebcam -r 320x240 -d /dev/video0 -v /media/share/test-01.jpg
## mopidy erst nach rc.local starten, damit log auf Netzlaufwerk liegen kann und alle Medien-Dateien erreichbar sind
sudo nano /lib/systemd/system/mopidy.service
After=rc.local.service
## piplayer3.log auf Server
sudo -u nobody touch /media/share/Kinder/piplayer3.log
sudo chmod 777 /media/share/Kinder/piplayer3.log
ls -l /media/share/Kinder/piplayer3.log
sudo nano /lib/systemd/system/piplayer.service
#ExecStart=/bin/bash -c 'exec python3 /home/pi/piplayer3.py >> /tmp/piplayer3.log 2>&1'
ExecStart=/bin/bash -c 'exec python3 /home/pi/piplayer3.py > /media/share/Kinder/piplayer3.log 2>&1'
#### mopidy Dokumentation
http://localhost:6680/api_explorer/#/library.search
https://docs.mopidy.com/en/latest/api/core/#mopidy.core.mopidy.core.LibraryController
https://docs.mopidy.com/en/latest/ext/file/
https://docs.mopidy.com/en/latest/service/
#### ncmpcpp
sudo apt-get install ncmpcpp
https://wiki.archlinux.org/index.php/ncmpcpp#Basic_usage
### JSON-RPC
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.describe"}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.playback.pause"}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.playback.resume"}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.clear"}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "spotify:user:tliero:playlist:08pbBkT5Vd2xXhxrMCVbAH"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "spotify:track:5tf1VVWniHgryyumXyJM7w"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "file:///home/tilman/Musik/04%20-%20The%20Funeral.mp3"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "http://www.wdr.de/wdrlive/media/kiraka.m3u"}}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.playback.play"}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "file:///media/share/Singles/04%20-%20The%20Funeral.mp3"}}' http://192.168.1.142:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "file:///home/pi/sounds/scanning.mp3"}}' http://192.168.1.142:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "http://www.wdr.de/wdrlive/media/kiraka.m3u"}}' http://192.168.1.142:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "spotify:user:tliero:playlist:08pbBkT5Vd2xXhxrMCVbAH"}}' http://192.168.1.142:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "spotify:album:4GmD0wNIlc47j8XcCECuVH"}}' http://192.168.1.142:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{ "method": "core.playback.get_state", "jsonrpc": "2.0", "id": 1 }' http://192.168.1.142:6680/mopidy/rpc
### Spotify URLs
https://open.spotify.com/track/3jQyadhLTxpxadQlkFh2b8
https://open.spotify.com/episode/1o8HWRR0mx5TfyxLlnKv8e
https://open.spotify.com/show/4zQKHBLkM3puG5n3jAU2H4
https://open.spotify.com/album/0BajiiFeEZv9eEx07Hw2C0
## PCM5102A
Noch günstiger geht es mit No-Name-Audioboards mit dem PCM5102A - das ist derselbe Chip wie auf dem PHAT DAC.
Sobald man weiß, wie man das Ganze verlöten muss (steht z.B. hier: https://www.raspberrypi.org/forums/viewtopic.php?t=57069#p1162299), verhält sich die Platine genauso wie der Pimoroni.
Ich habe eine erfolgreich mit dem Pimoroni-Skript konfiguriert, ansonsten kann man das auch manuell konfigurieren (https://support.hifiberry.com/hc/en-us/articles/205377651-Configuring-Linux-4-x-or-higher)
## Hardware
- PHAT DAC installieren - http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS
- alternativ: PCM5102A installieren
- Anschluss: https://www.raspberrypi.org/forums/viewtopic.php?t=57069#p1162299
- kann mit Skript vom PHAT DAC aktiviert werden, sonst s. http://disq.us/p/1l7ux1s bzw. https://www.hifiberry.com/build/documentation/hifiberry-software-configuration/
- Lautstärke über IR regeln
- JBL-Fernbedienung nach Musikraketen-Anleitung auslesen
- PoC Fernsteuerung
- Alternative: Lautstärkeregler direkt ansprechen mit Transistor als Schalter (http://www.elektronik-kompendium.de/sites/slt/0208031.htm)
### CNY70
- https://www.youtube.com/watch?v=KLkNqmqXVtA - Fehler in der Schaltungsskizze! Muss NPN- statt PNP-Transistor sein.
- http://www.vishay.com/docs/83751/cny70.pdf
- Achtung: Beim Vishay CNY70 ist im Vergleich zum Temic der Transistor um 180° gedreht! (s. Kommentar bei http://www.strippenstrolch.de/1-2-12-der-reflexkoppler-cny70.html)
## Einrichtung
- SD Card read only: "Raspberry in Blue", c't 21/2016, S. 152
- Update unter https://www.heise.de/ct/ausgabe/2016-21-Den-Raspi-als-Bluetooth-Empfaenger-einsetzen-3330683.html
In der Befehlsfolge auf Seite 154 fehlt in der ersten Zeile ein Leerzeichen. Der Befehl zum Löschen der Dateien lautet korrekt:
sudo rm -rf /var/lib/dhcp/ /var/spool /var/lock /etc/resolv.conf
- Falls Sie das Dateisystem doch nochmal ändern oder Updates einspielen wollen, können Sie es mit "sudo mount -o rw,remount /"
und "sudo mount -o rw,remount /boot" wieder temporär beschreibbar machen.
## Scripting
- Bugfix <prev>
- Interrupts statt busy waiting: http://raspi.tv/2013/how-to-use-interrupts-with-python-on-the-raspberry-pi-and-rpi-gpio-part-3
- run statt call https://docs.python.org/3/library/subprocess.html
## Gehäuse
- Buttons per Acryl-Transfer beschriften? ch.16.05.110-115.pdf
- Beim Zusammenbau Kamera vor dem Verkleben testen
## Sonstiges
- Backup SD Card
sudo dd if=/dev/mmcblk0 of=/media/tilman/ROT/raspberry-pi-zero_before-read-only.img bs=4M
- Passwort ändern und aufkleben
## Google Drive
sudo mount -o rw,remount / && sudo mount -o rw,remount /boot
nach https://github.com/astrada/google-drive-ocamlfuse/wiki/How-to-install-from-source-on-Debian-Jessie
https://github.com/astrada/google-drive-ocamlfuse/wiki/Authorization
https://github.com/astrada/google-drive-ocamlfuse/wiki/Headless-Usage-%26-Authorization
## Noch schreiben
- Spiegel-Problem
- Ausblick: App
- Google
- Stromverbrauch messen
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