Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 11-01-2013, 14:23   #16
Registered User
 
yannis's Avatar

Join Date: Aug 2011
Location: Netherlands
Boat: Nicholson 39 ketch
Posts: 4
Send a message via Skype™ to yannis
Re: AIS / OpenCPN interface problem

Download and install the free trial of NemaStudio from Sailsoft. This Windows program simulates any number of AIS targets (and many other other sensors like GPS) so you can test OpenCPN AIS and GPS input at home, no need to go to the boat to hook up your AIS and GPS receiver.
/Yannis
__________________

__________________
Ger Rietman (http://rietman.wordpress.com)
"There are only 10 kinds of people in the world: those who understand binary, and those who don't."
yannis is offline   Reply With Quote
Old 11-01-2013, 14:24   #17
mrm
Registered User

Join Date: Feb 2011
Location: Poland, EU
Boat: crew on Bavaria 38 Cruiser
Posts: 651
Re: AIS / OpenCPN interface problem

Reg, you mentioned that a separate AIS monitoring program shows targets in range, but OpenCPN does not. Are you, perhaps, running this monitoring program in parallel with OpenCPN? COM ports are normally not a shared resource..

Marius
__________________

__________________
mrm is offline   Reply With Quote
Old 11-01-2013, 14:33   #18
Registered User

Join Date: Jan 2013
Posts: 17
Re: AIS / OpenCPN interface problem

Marius

Not a seperate program. The AIS 600 has a status screen which appears on the laptop whenever the AIS is started up. It's part of the input to the computer.

Reg
__________________
Rainbow48 is offline   Reply With Quote
Old 11-01-2013, 14:44   #19
mrm
Registered User

Join Date: Feb 2011
Location: Poland, EU
Boat: crew on Bavaria 38 Cruiser
Posts: 651
Re: AIS / OpenCPN interface problem

Quote:
Originally Posted by Rainbow48 View Post
Marius

Not a seperate program. The AIS 600 has a status screen which appears on the laptop whenever the AIS is started up. It's part of the input to the computer.

Reg
Reg,

things do not appear on screen out of nowhere, esp. on a computer screen My thinking is, you have a background program bound to the COM port on which AIS data is coming, which makes this port unavailable to other programs. This would be consistent with the error message from OpenCPN you get.

Marius
__________________
mrm is offline   Reply With Quote
Old 11-01-2013, 14:54   #20
Registered User

Join Date: Jan 2013
Posts: 17
Re: AIS / OpenCPN interface problem

Marius,

The only thing it could possibly be is the AIS. The screen is required in order to activate the "connect" icon for the AIS. Closing the screen turns off the AIS.

Reg
__________________
Rainbow48 is offline   Reply With Quote
Old 11-01-2013, 15:07   #21
mrm
Registered User

Join Date: Feb 2011
Location: Poland, EU
Boat: crew on Bavaria 38 Cruiser
Posts: 651
Re: AIS / OpenCPN interface problem

Quote:
Originally Posted by Rainbow48 View Post
Marius,

The only thing it could possibly be is the AIS. The screen is required in order to activate the "connect" icon for the AIS. Closing the screen turns off the AIS.

Reg
Reg,

Just to make sure I had a quick look at Garmin AIS 600 manual and it is an independent device, which does not require a PC program to operate. It just sends any received AIS data over a serial line and couldn't care less what is at the other end of the wire. Can you explain what you meant by what you said?

Marius
__________________
mrm is offline   Reply With Quote
Old 11-01-2013, 17:58   #22
Registered User

Join Date: Jan 2013
Posts: 17
Re: AIS / OpenCPN interface problem

Dave & Marius,

When this AIS unit is programed, an icon is loaded onto the desktop. It opens a screen in which the ship's information can be changed, the unit's transmit, receive, and antenna status can be monitored, sent and received information viewed, and a contact list accessed. Garmin does not tell you, either in the manual (at least I didn't pick up on it) or during phone conversations with them, that this icon should not be activated during operations with a laptop chartplotter. The comment from Marius opened a new line of thought for me, so I monitored the Garmin screen till a ship came within range, then closed the screen and opened OpenCPN. And it worked! So, it looks like the problem is now solved. For future reference, should any other sorry, computer illiterate like me run into similar problems, I also found that Garmin's wiring diagram for connecting to a NEMA 0183 device is in error : the manual shows the gray wire as TX A +, while RX A + was identified by Garmin (on the telephone) as being the white wire. In reality, these two are reversed : gray is RX A +, white is TX A +. Maybe it's just a screw up in this particular unit.

At any rate, thank you very much for the assistance and good ideas and comments, all of which resulted in a good resolution. By the way, if you would care to see some photos of the building and sailing of "Rainbow", there is a nice photo essay on the website of yacht designer George Buehler, under "Reg's Boat".

Once again, thanks very much for the help. Either of you ever get around So. MD, give me a shout.

Reg
__________________
Rainbow48 is offline   Reply With Quote
Old 12-01-2013, 02:47   #23
mrm
Registered User

Join Date: Feb 2011
Location: Poland, EU
Boat: crew on Bavaria 38 Cruiser
Posts: 651
Re: AIS / OpenCPN interface problem

Reg,

I am happy you got it working.
After looking at your ship, I feel privileged to be of assistance.

Marius
__________________
mrm is offline   Reply With Quote
Old 12-01-2013, 05:28   #24
Registered User

Join Date: Jan 2013
Posts: 17
Re: AIS / OpenCPN interface problem

Marius,

Thanks for the nice comment. Like I said, if you ever get around the Chesapeake, give me a shout. Meanwhile, fair winds...

Cheers,

Reg
__________________

__________________
Rainbow48 is offline   Reply With Quote
Reply

Tags
ais, opencpn

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 00:32.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.