OpenPlotter

https://sailoog.gitbooks.io/openplotter-documentation/en/

Aim

• fit a cheap and open source ECDIS on board of a sailing vessel
• yacht has SeaTalkng network (/w Raymarine iTC-5 Converter)
  • VHV radio (Navman VHF 7100)
  • autopilot (Raymarine Evolution EV-200 Sail)
  • sumlog (VDO)
  • depth sounder (???)
  • wind & close hauled/VMG instrument (Raymarine Wind ST50 Plus)
  • gps (Garmin GPS 126)
  • AIS Class-B transceiver (SRT)
  • battery monitor (Victron BMV-700)

Parts (boat specific)

• Seatalkng extensions:
  • Spur-Kabel mit 1 offenen Ende 3m Art.-Nr: A06044 EUR 40,-
  • 5-Wege-Verbinder Art.-Nr: A06064 EUR 35,- (alternativ T-Stück Art.-Nr.: A06028 EUR 25,-)
  • Backbone-Kabel 0,40m - A06033 EUR 30,-

Mini-PC

• Raspberry Pi 3 Model B EUR 35,-
• 16GB MicroSD Card EUR 10,-
• SPI USV EUR 25,-
• Case
• PiCAN 2 EUR 45,-
• WLAN (RTL8192CU/CUS chipset) EUR 10,-

Setup Pi:

• upgrade to openPlotter 0.17.0 beta
• Preferences > Raspberry Configuration > Interfaces > SSH:enable (Remote-access via WinSCP and Putty)
• sudo apt-get install tightvncserver (make RDP working)
• sudo apt-get install can-utils
• sudo apt-get install mc

Setup Android:

• RDC from playStore (working)
• aRDP free from playStore (suits my needs best)

Setup piCAN2:

• see also
  • https://dayba.wordpress.com/category/canbus/pican2/
  • http://forum.openmarine.net/showthread.php?tid=92&page=2
  • https://www.dropbox.com/sh/88dxdzrbea7jlhv/AAD_Q8XRdB3bRrRbPQRrbST-a?dl=0 (all changes to file-system, NOT uptodate)

• add to /boot/config.txt

dtparam=spi=on
dtoverlay=mcp2515-can0,oscillator=16000000,interrupt=25
dtoverlay=spi-bcm2835-overlay

• add to /etc/network/interfaces (overwritten by /home/pi/.config/openplotter/wifi_server.py!)

#physical can interfaces
allow-hotplug can0
iface can0 can static
bitrate 250000
down /sbin/ip link set $IFACE down
up /sbin/ifconfig $IFACE txqueuelen 10000

• install canboat

mkdir ~/canboat
cd ~/canboat
sudo apt-get install xsltproc
git clone git://github.com/canboat/canboat
cd canboat
sudo make
sudo make install

sudo apt-get install libconfig-general-perl

• copy and edit /home/pi/canboat/canboat/config/n2kd to /etc/default/n2kd (is this really needed?)

• add to /home/pi/.config/openplotter/OP-signalk/openplotter-settings.json

{
  "id": "n2k-can0",
  "pipeElements": [
    {
      "type": "providers/execute",
      "options": {
        "command": "candump can0 | candump2analyzer "
      }
    },
    {
      "type": "providers/liner",
      "options": {
        "rawlogging": true,
        "logdir": "logs",
        "discriminator": "2"
      }
    },
    {
      "type": "providers/n2kAnalyzer"
    },
    {
      "type": "providers/n2k-signalk"
    }
  ]
}

configure kplex and signalk

• 'Signal K Server Plugin Configuration' > activate 'Convert Signal K to NMEA0183'
  • select sentences you are interested in
• NMEA0183 (this is kplex) > Advanced >
  • add input channel tcp:localhost:10110
  • remove filter at opencpn out channel

[tcp]
name=signalk_in
direction=in
address=localhost
port=10110

[tcp]
name=opencpn
direction=out
mode=server
port=10109

experimental

• https://github.com/chacal/signalk-socketcan-device (not tested, yet)