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Old 10-01-2013, 13:11   #1
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AIS / OpenCPN interface problem

I'm setting up a Garmin GPS 17 and a Garmin AIS 600 to run with OpenCPN on a Dell laptop using Windows 7. Does anyone know how to get Open CPN to recognize the input from the GPS and the 600. Status on the laptop says that the com ports are working properly, but nothing shows up on the chartplotter.
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Old 10-01-2013, 13:30   #2
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Re: AIS / OpenCPN interface problem

Hi,

What version of OpenCpn are you using ?

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Old 10-01-2013, 13:49   #3
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Re: AIS / OpenCPN interface problem

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Hi,

What version of OpenCpn are you using ?

AISEAG,

OpenCPN 3.0.2
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Old 10-01-2013, 14:39   #4
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Re: AIS / OpenCPN interface problem

Rainbow...

Do you have a GPS and an AIS receiver? I think yes.

Are they on separate ports? Or are they multiplexed together at the AIS receiver and coming into OpenCPN on one port?

btw, AIS receivers are notoriously hard to debug if there are no AIS targets in range. The receiver sends absolutely nothing in that case, so you have no idea if it is working or not.

Dave
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Old 10-01-2013, 15:20   #5
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Re: AIS / OpenCPN interface problem

Dave,

Seperate ports, seperate USB - RS 232 converters.

I agree, I sometimes spend a couple of hours waiting like a fisherman for a ship to pass within range. The AIS 600 has a screen which opens on the laptop, so I am able to monitor AIS activity while also having OpenCPN up and running. The AIS is working and sending and receiving transmissions as it should. The two systems are not talking to each other. I've made all the port assignments on OpenCPN, and the computer tells me that all the ports and converters are working properly.
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Old 10-01-2013, 17:05   #6
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Re: AIS / OpenCPN interface problem

Rainbow48...

OK, one at a time, then.

Start with GPS. Remember to use 4800 baud. Set AIS port = None.
Go to Device manager and physically plug and unplug the GPS USB adapter to ensure that you have the correct port.
Check the OpenCPN logfile for results.

Do not proceed further until GPS is working.

Dave
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Old 10-01-2013, 17:23   #7
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Re: AIS / OpenCPN interface problem

Dave,

GPS is back.
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Old 10-01-2013, 18:18   #8
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Re: AIS / OpenCPN interface problem

Rainbow...

Then add the AIS receiver, baud is 38400, probably.

Dave
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Old 10-01-2013, 19:40   #9
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Re: AIS / OpenCPN interface problem

Dave,

Sorry for the delay, as I have to go down to the boat to hook things up (only one laptop). Changed the baud rate. Three ships were within range. All presented on the AIS screen, but nothing on OpenCPN.
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Old 10-01-2013, 19:53   #10
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Re: AIS / OpenCPN interface problem

Dave,

Suggest we continue in the AM, if possible.
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Old 11-01-2013, 11:10   #11
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Re: AIS / OpenCPN interface problem

Dave,

What's next?
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Old 11-01-2013, 11:21   #12
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Re: AIS / OpenCPN interface problem

Rainbow48...

Any chance you could update to the latest Beta 3.1.1309? This has much better serial port monitoring/control interfaces, and is plenty stable for daily use.

Dave
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Old 11-01-2013, 11:37   #13
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Re: AIS / OpenCPN interface problem

Dave,

No problem. Do I need to delete 3.0.2 first?

Reg
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Old 11-01-2013, 13:17   #14
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Re: AIS / OpenCPN interface problem

No need - just install the new version as an update, not a parallel install. Your settings will be retained.
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Old 11-01-2013, 13:46   #15
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Re: AIS / OpenCPN interface problem

Dave,

Okay : done. This appears to be a very nice version of Open CPN. The GPS is behaving well, which was not always the case with the other versions. However, as before, when starting the AIS - after opening Open CPN - I get the message "no com ports available". Again, the computer tells me that both com ports are working properly. Under "options" in Open CPN, in "connections", both ports are checked "enable". I had a ship come by a short time ago. Showed up on the AIS screen, but nother on Open CPN.

Reg
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