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Serial Port Splitter

 
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jguiver
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Joined: Jul 26, 2005
Posts: 65
Location: No valid GPS Signal!

PostPosted: Thu Jan 26, 2006 3:49 pm    Post subject: Serial Port Splitter Reply with quote

As I wanted to run TT5 and GPSDash concurrently, I searched for a serial splitter, and found this:

http://www.eltima.com/products/serial-splitter-ce/

I installed the demo version & it works perfectly - well 31 minutes & counting!

One of the limitations of the demo version is stated as '100 Kb data transfer limit per session (until reboot)'

Can anyone tell me what that means in real terms? Will the applications stop working after a while?

(Now 35 minutes - still working)
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AllyCat
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Joined: Feb 23, 2005
Posts: 376
Location: Catford, London, UK

PostPosted: Fri Jan 27, 2006 1:25 am    Post subject: Reply with quote

Hi,

Did it keep working? I presume the limit would apply to the NMEA data stream from the GPS, which is perhaps typically 50 bytes/second. This would reach a 100k(byte) limit in something under an hour.

Most people use GPSGate for this purpose, which at least in its "Lite" version is significantly cheaper :-) .

Cheers, Alan.
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Garmin GPS72H/76/60/45, Etrex H, Mapsource v6.5.
Acer N50,HP114,Loox N560,Dell x50,CF/SD cards to 4/32GB.
RoyalTek,Holux236,Navman B10 & Copilot(Globalsat) BT GPS,TomTom5/6.
Memory Map (v5.4.2 & v5.1.3 OS & Euro), GPS gate,OSGPSconverter.
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jguiver
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Joined: Jul 26, 2005
Posts: 65
Location: No valid GPS Signal!

PostPosted: Fri Jan 27, 2006 1:20 pm    Post subject: Reply with quote

Yes it did. In the application help it refers to a 1Mb limit rather than 100k quoted on the website, so maybe that's why it ran for well over an hour.

I know that GPSGate is the usual route, but if this demo works for long enough per session, it'll do for me! Can't get cheaper than free! :D
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AllyCat
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Joined: Feb 23, 2005
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Location: Catford, London, UK

PostPosted: Fri Jan 27, 2006 1:38 pm    Post subject: Reply with quote

Hi,

Have you discovered what they mean by "until reboot" yet? Is that just a re-start, a soft reset (not much of a problem) or a hard reset (no thanks!)?

I suspect the data rate is more than my estimated 50bytes/sec, particularly if they add the separate streams together, but I couldn't see why it hadn't already died within half an hour.

Cheers, Alan.
_________________
Garmin GPS72H/76/60/45, Etrex H, Mapsource v6.5.
Acer N50,HP114,Loox N560,Dell x50,CF/SD cards to 4/32GB.
RoyalTek,Holux236,Navman B10 & Copilot(Globalsat) BT GPS,TomTom5/6.
Memory Map (v5.4.2 & v5.1.3 OS & Euro), GPS gate,OSGPSconverter.
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jguiver
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Joined: Jul 26, 2005
Posts: 65
Location: No valid GPS Signal!

PostPosted: Fri Jan 27, 2006 2:03 pm    Post subject: Reply with quote

No - I hope it would be a restart! I've just commenced another test. GPSDash and TTN5 running on my trusty Mio 168 sitting on the window sill. I'll leave it there and report back later.
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jguiver
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Joined: Jul 26, 2005
Posts: 65
Location: No valid GPS Signal!

PostPosted: Fri Jan 27, 2006 3:46 pm    Post subject: Reply with quote

And the results are in.

1 hour 17 minutes before everything stopped working, and a soft reset to get it going again, so I think you were right. Looks like I'll be buying GPSGate...........
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AllyCat
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Joined: Feb 23, 2005
Posts: 376
Location: Catford, London, UK

PostPosted: Fri Jan 27, 2006 4:16 pm    Post subject: Reply with quote

Hi,

Thanks for the useful information. It looks as if they do add the data bytes in all the streams (in, out1 and out2?).

I already have the lite version of GPSGate (bought when they were offering it discounted some time ago Smile), but I'm always on the lookout for good value software Wink .

Cheers, Alan.
_________________
Garmin GPS72H/76/60/45, Etrex H, Mapsource v6.5.
Acer N50,HP114,Loox N560,Dell x50,CF/SD cards to 4/32GB.
RoyalTek,Holux236,Navman B10 & Copilot(Globalsat) BT GPS,TomTom5/6.
Memory Map (v5.4.2 & v5.1.3 OS & Euro), GPS gate,OSGPSconverter.
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Echilon
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Joined: Jul 21, 2005
Posts: 12

PostPosted: Sun Feb 26, 2006 1:22 pm    Post subject: Reply with quote

There's also a program for CE called GPSGate, which lets you split a bluetooth signal into 2 virtual COM ports.
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jguiver
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Joined: Jul 26, 2005
Posts: 65
Location: No valid GPS Signal!

PostPosted: Fri Jul 14, 2006 8:04 pm    Post subject: Reply with quote

http://www.pocketgpsworld.com/modules.php?name=Forums&file=viewtopic&t=42984
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