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
  • VHV radio
  • autopilot
  • sumlog
  • depth sounder
  • wind & close hauled/VMG instrument
  • gps
  • AIS Class-B transceiver
  • battery monitor

Parts

• 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:

• Preferences > Raspberry Configuration > Interfaces > SSH:enable (Remote-access via WinSCP and Putty)
• sudo apt-get install tightvncserver (make RDP working)

Setup Android:

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

Setup piCAN2:

see https://dayba.wordpress.com/category/canbus/pican2/

• add to /boot/config.txt

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

• add to /etc/modules

vcan

• add to /etc/network/interfaces (overwritten by 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

#virtual can interfaces
auto vcan0
iface vcan0 inet manual
pre-up /sbin/ip link add dev $IFACE type vcan
up /sbin/ifconfig $IFACE up

• add to openplotter-settings.json

{
  "id": "n2k-vcan0",
  "pipeElements": [
    {
      "type": "providers/execute",
      "options": {
        "command": "candump vcan0 | candump2analyzer "
      }
    },
    {
      "type": "providers/liner",
      "options": {
        "rawlogging": true,
        "logdir": "logs",
        "discriminator": "2"
      }
    },
    {
      "type": "providers/n2kAnalyzer"
    },
    {
      "type": "providers/n2k-signalk"
    }
  ]
}