Josh,

Thanks!  That's a lot of info to digest!

Joel

On Thu, Mar 30, 2017 at 8:43 PM, Josh Muckley via CnC-List <
[email protected]> wrote:

> Joel,
>
> SignalK is barely compatible with anything. Nobody has really developed
> any end of line applications or hardware.  It is really most useful for IoT
> situations.  What OpenPlotter does is pull together a bunch of off the
> shelf open-source linux apps and dresses them up in a python script gui
> interface.
>
> One of the most powerful apps is kplex.  It takes input signals, processes
> the signals according to your rules and then multiplexes them to various
> outputs as a stream of applicable data.  I don't know if it takes SignalK
> inputs.
>
> SignalK simply takes that multiplexed signal stream, processes the
> sentences into json web script, and serves them back out on a specific
> tcp/ip port (usually localhoat:3000).  The strength of SignalK is that it
> is open source and natively tcp/ip compatible.  If you wanted to serve
> refrigerator temperature out as part of the available ships info then you
> could write a simple Json script to name, calibrate, format and serve the
> signal out on the network.  To do that with NMEA 0183 or 2k the industry
> would have to develop and release additional sentences for the nmea
> protocol.  0183 is at least a public standard and the sentences are made
> public for device development.  2k is actually closed and the only reason
> the public knows the sentences is because users have backwards engineered
> (hacked) the signal stream.  If you just want to see standard info
> wirelessly on remote devices then kplex or a wifi to nmea multiplexer is
> the way to go.  Your end of line device/app is unlikely to be able to
> interpret SignalK anyway.  For example OpenCPN.  OpenPlotter is generating
> the SignalK on port 3000.  It is up to the app or hardware as to whether or
> not to receive it.  I'm not sure if kplex will take input from SignalK but
> I don't think so.
>
> Your IKommunicate IS a wifi-nmea multiplexer.  The signal that it is
> likely serving out on tcp/ip port 10110 (xxx.xxx.xxx.xxx:10110) is a
> standard tty nmea signal.  And OpenCPN can take it as an input.  It is also
> serving SignalK on port 3000.  I believe the IKommunicate IS a wifi router
> with a single cat5e port.  If you absolutely need to serve other hardwired
> devices then connect the cat5e to the lan ports of a router and set the
> IKommunicate to DHCP and client mode.  In the router set the IKommunicate's
> ip address as static dhcp and assign a hostname to it.  When you go to your
> web browser or when you are entering the ip:port in opencpn you will be
> able to use the hostname which you set or the ip and probably port 10110
> (hostname:10110 or xxx.xxx.xxx.xxx:10110).  I like host names since they
> are easy to remember and often can be shorter but some MFDs may force ip
> addresses.  Either way it will work.
>
> The last I checked the PI is available on the OpenPlotter website as a
> pre-configured package.  Even if it isn't, the setup and acquisition of the
> necessary hardware/software is not terribly hard.  And costs less than
> $200 total.
>
> My pi hw/sw has been further modified to include the:
> *UPSpico - onboard power management UPS hardware including: fan, Real time
> clock, file safe shutdown, and 7-32vdc input.
> *NoVNC software - allows for clientless remote desktop access via a remote
> web browser
> *Fan control scripts - linked to overclock and overvoltage settings to
> improve performance but maintain reliability
> *Apache Web service and webpage - makes attaching to the OpenPlotter and
> viewing data easy.  No need to remember ip addresses, urls, or port numbers
>
> Josh Muckley
> S/V Sea Hawk
> 1989 C&C 37+
> Solomons, MD
>
>
> On Mar 30, 2017 4:28 PM, "Joel Aronson via CnC-List" <
> [email protected]> wrote:
>
> Josh,
>
> OpenCPN is not Signal K compatible despite what is on the OpenPlotter
> website.  Maybe in release 5.something.
>
> Can you buy the Pi preloaded or do you have to assemble it yourself?
>
> I am hoping to get my Signal K to output to a router, but I'm hoping to do
> 20 projects first.  I'm several software releases behind on the Signal K
> box.
>
> Joel
>
> On Thu, Mar 30, 2017 at 12:37 PM, Josh Muckley via CnC-List <
> [email protected]> wrote:
>
>> Its definitely not an off the shelf setup which I have.  It took a
>> considerable amount of learning on my part but if anybody has any questions
>> just let me know.
>>
>> Josh
>>
>> On Mar 30, 2017 11:46 AM, "E Morgan via CnC-List" <[email protected]>
>> wrote:
>>
>>> REALLY slick, Josh! I've been playing with OpenCPN on my Pi3 and this
>>> clarified some questions I had. Planning on using a similar setup as a
>>> backup on my Pearson, but with NMEA2K and Signal K interfacing. In other
>>> words, something to play with while at anchor. lol
>>>
>>> Thanks for the vids!
>>>
>>> Evan
>>> Wind Affair, C&C 26 Encounter (for sale in Indianapolis)
>>> Revery, Pearson 424 cutter (Merritt Island, FL)
>>>
>>> _______________________________________________
>>>
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>> _______________________________________________
>>
>> This list is supported by the generous donations of our members. If you
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>>
>
>
> --
> Joel
> 301 541 8551 <(301)%20541-8551>
>
> _______________________________________________
>
> This list is supported by the generous donations of our members. If you
> wish to make a contribution to offset our costs, please go to:
> https://www.paypal.me/stumurray
>
> All Contributions are greatly appreciated!
>
>
>
> _______________________________________________
>
> This list is supported by the generous donations of our members. If you
> wish to make a contribution to offset our costs, please go to:
> https://www.paypal.me/stumurray
>
> All Contributions are greatly appreciated!
>
>


-- 
Joel
301 541 8551
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