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GPS Not Recognized
thunder wrote in
t: On Tue, 18 Aug 2009 12:05:34 -0400, Armond Perretta wrote: I have Capn 8.3 running with several GPS units that can be switched to provide nav data. This setup works just fine and has for a very long time. I just loaded Offshore Navigator Light and SeaClear II for the fun of it, and it happens that neither program can "see" the GPS data. I am using a standard USB-to-serial cable and I have tried just about every combination of port and speed and GPS interface setting on 3 separate GPS units, but so far no go. Meanwhile the Capn 8.3 can see anything I feed it. Any ideas? The USB-to-serial cable *might* have something to do with it. The USB standard does not include a GPS device, so a proprietary driver is needed. Capn probably provides them, perhaps, ONL and SeaClear don't. If you are familiar with telnet, you could telnet the port and see what, if anything, is being transmitted. Excellent point. The Cap'n DOES have a USB serial port emulator/driver that I'm sure is STILL resident on his computer even if The Cap'n isn't booted. So, The Cap'n's driver is stealing the data away from the port, no matter what program's running, making a data black hole that these other programs have no way of accessing from the proprietary driver.... The only way he'd get to see it is if he completely UNinstalled The Cap'n before installing one of these other crapware freebies, then he'd probably have GPS info off the open USB port that's not open now with the Cap'n's driver holding it close. If The Cap'n works great DON'T SCREW IT UP! Use it to go sailing! Trying to run several nav programs on that machine is SURE to screw it up with all the system tinkering they have to go through to get antiquated NMEA serial data through a computer that doesn't have ports for it any more..... -- Larry |
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