Rank: 1800 based on 43 downloads (last 30 days) and 1 file submitted
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Daniel Lavoie

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06 Dec 2005 Get Available COM PORT Get available COM port on your PC Author: Daniel Lavoie rs232, available, com port, db9, com to usb 43 3
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4.3 | 3 ratings
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10 May 2009 Get Available COM PORT Get available COM port on your PC Author: Daniel Lavoie Akien, Geoffrey

Very handy utility, but unfortunately the way MATLAB finds these serial ports does not take into account if other programs are using them - although fopen will of course prevent you from using that port. Also, when I incorporated it into a GUI, it did not stand up to being run a second time - it could not access the error message which instead replies with a 0x1 structure.
23 Jan 2009 Get Available COM PORT Get available COM port on your PC Author: Daniel Lavoie Antila, Marko

Nice work Daniel - clever to catch the error message. I was thinking this myself but did not have time to work it out.

I think, however that the code could be further improved by inserting these two lines after the first "end":
fclose(s);
delete(s);

This removes the unnecessary handle and does not confuse the future operations with the serial port.
04 Jan 2006 Get Available COM PORT Get available COM port on your PC Author: Daniel Lavoie granstroem, anders

Shows available COM ports. When terminating a matlab program with CTRL-C. Windows 2000 thinks that the com port is occupied. Nice to se this in matlab. Can be seen by doing "mode" command at the command promt in windows as well.
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available, com port, db9, rs232
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06 Dec 2005 Get Available COM PORT Get available COM port on your PC Author: Daniel Lavoie rs232, available, com port, db9, com to usb 43 3
  • 4.33333
4.3 | 3 ratings
 

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