OpenMarine
PICAN-M, no NMEA 2000 traffic - Printable Version

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PICAN-M, no NMEA 2000 traffic - ryanathompson - 2023-06-29

Really struggling with this...  I have a PICAN-M on a RPi 4 running OpenPlotter with everything up to date.  I have a four port Nmea 2000 backbone:
1. Port 1:  Power, (verified that ~13v running through the N2K network)
2. Port 2:  PICAN-M+RPi
3. Port 3:  Garmin GPS 19x NMEA 2000 antenna
4. Port 4:  CX5003 NMEA 2000 sensor unit with voltage being monitored
5. Terminators at both ends, no open ports.

I've followed and refollowed the PICAN-M setup and everything is configured.  

The Problem:  No traffic on a CANDUMP.  I see nothing, just a blank screen.

The PICAN-M manufacturer said that as long as there isn't an error on the CANDUMP, THEIR unit is working.  

This is a test setup so I don't have another device (like an MFD) to test N2K.  

Any ideas?


RE: PICAN-M, no NMEA 2000 traffic - Sailoog - 2023-06-29

Ignore the PICAN-M setup because it is obsolete. Follow the openplotter setup in a fresh openplotter v3 image: https://openplotter.readthedocs.io/en/3.x.x/can/mcp2515.html


RE: PICAN-M, no NMEA 2000 traffic - ryanathompson - 2023-06-30

(2023-06-29, 08:06 PM)Sailoog Wrote: Ignore the PICAN-M setup because it is obsolete. Follow the openplotter setup in a fresh openplotter v3 image: https://openplotter.readthedocs.io/en/3.x.x/can/mcp2515.html

Did all this and verified SPI0 CE0, Osc 16000000, Int GPIO 25.  

Nothing on the CANDUMP

3 Images in case its helps:
https://imgur.com/a/4TpegFU


RE: PICAN-M, no NMEA 2000 traffic - ryanathompson - 2023-07-04

(2023-06-30, 12:15 AM)ryanathompson Wrote:
(2023-06-29, 08:06 PM)Sailoog Wrote: Ignore the PICAN-M setup because it is obsolete. Follow the openplotter setup in a fresh openplotter v3 image: https://openplotter.readthedocs.io/en/3.x.x/can/mcp2515.html

Did all this and verified SPI0 CE0, Osc 16000000, Int GPIO 25.  

Nothing on the CANDUMP

3 Images in case its helps:
https://imgur.com/a/4TpegFU

Solved this.  Brand new terminators bought on Amazon were bad.  No ohms change when they were on the network.  So frustrating.  Buy name brand!


RE: PICAN-M, no NMEA 2000 traffic - holgerw - 2023-07-05

you forgot to add the signalk connection in your topmost openplotter can interface.


RE: PICAN-M, no NMEA 2000 traffic - ryanathompson - 2023-07-05

Yep, done now that I have a good candump. Thank you.