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classicsat
Joined: 20 Feb 2004
Posts: 279
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 Posted: Thu Jul 08, 2010 11:22 am Post subject: Request: Serial above COM4. |
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I request the next version IR have more that Com4 selectable, or better yet a drop down menu of available COM ports.
I am experimenting with a number of serial devices, and they typically enumerate above Com4, and it is a pain to have to go clear the registry of unused com ports to get them to enumerate to Com 3 or 4. My desktop system has no COM ports free below COM5, so I cannot run JP1 experiments on it at all, except for legacy serial or parallel adapters. |
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vickyg2003
Site Admin
Joined: 20 Mar 2004
Posts: 7073
Location: Florida
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| Posted: Thu Jul 08, 2010 11:42 am Post subject: |
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I may be way off base here, since I haven't added new equipment in years, and always plug all my stuff into the same ports, but if I remember correctly isn't there an "always use" to lock the port when you add a new serial device?
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classicsat
Joined: 20 Feb 2004
Posts: 279
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| Posted: Thu Jul 08, 2010 12:01 pm Post subject: |
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| Not always. I have a USB serial adapter that chooses a a different port (and installes drives) for different USB ports it connects to. And almost always it is a port above Com4, which I cannot use on IR, especially on the desktop system, where COM1/2 are real RS232 ports, and and COM3/4 are nabbed by what I think is my Bluetooth Dongle (which I need present). |
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cauer29
Joined: 03 Feb 2010
Posts: 236
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| Posted: Fri Jul 09, 2010 9:20 am Post subject: |
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| classicsat wrote: | | Not always. I have a USB serial adapter that chooses a a different port (and installes drives) for different USB ports it connects to. And almost always it is a port above Com4, which I cannot use on IR, especially on the desktop system, where COM1/2 are real RS232 ports, and and COM3/4 are nabbed by what I think is my Bluetooth Dongle (which I need present). |
Most USB serial ports allow you to force the com port number via device manager property sheet. You may have to move another port to free up the number you want, but it is possible. As for your USB to serial adapter using different com port numbers depending on which port it's connected to, that's because it does not contain an electronic serial number. If it did, the operating system would assign the same com port number no matter where you plug it in. Absent an electronic serial number, the OS has to assume that the same model device in a different USB port, must be a different device entirely and so assigns it a different com port number. There are plenty of USB to serial port adapters out there, that do have electronic serial number.
A.A. |
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xnappo
Expert
Joined: 30 Dec 2003
Posts: 861
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| Posted: Fri Jul 09, 2010 2:27 pm Post subject: |
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It has been a while since I looked at the serial driver code, but I believe that if you just leave the port number to 'auto' it will check any active COM port for a JP1 interface...
xnappo |
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gfb107
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Joined: 03 Aug 2003
Posts: 3411
Location: Cary, NC
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classicsat
Joined: 20 Feb 2004
Posts: 279
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| Posted: Sat Jul 10, 2010 10:05 am Post subject: |
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I never seen an Auto option anywhere.
Still, it is archaic for software to only have COM 1 to COM 4 as an option. |
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xnappo
Expert
Joined: 30 Dec 2003
Posts: 861
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| Posted: Sat Jul 10, 2010 12:30 pm Post subject: |
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Yeah - sorry 'auto' is only for the JP1.x interface.
xnappo |
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