[Tinyos-devel] Fwd: [Tinyos-help] Makefile support for motelist on Mac

[David Gay]

Someone want to check this on Linux, cygwin then check it in?

David


---------- Forwarded message ----------
From: Urs Hunkeler <uhu at gmx.ch>
Date: Tue, Mar 18, 2008 at 9:07 AM
Subject: [Tinyos-help] Makefile support for motelist on Mac
To: TinyOS <tinyos-help at millennium.berkeley.edu>


Hi,

 I noticed a while ago that on a Mac the Makefile did not properly
 recognize a tmote connected on a USB port. It seems that Mac OS X uses
 some fancy interface names for the connected motes like
 "/dev/tty.usbserial-M4ABD8MF". The regular expression used in the
 Makefile (tinyos-2.x/support/make/msp/bsl.extra) parses until the first
 number appears, and then continues to parse only numbers. The reason is
 that on Windows systems the port number of the serial port has to be
 recognized. As a consequence the above interface name gets shortened to
 "/dev/tty.usbserial-M4" (stops once the first non-number symbol appears
 after a number has been detected).

 To resolve this issue I propose that the regular expression be changed
 such that it also continues to parse after the number. The following two
 lines show first the original version and then the proposed modification
 (the regular expression has to be changed in two places within the
 mentioned Makefile extension):

 BSLTEST = $(shell motelist -c | perl -e '<> =~ /^[^,]+,(\S+?(\d+))/;
 print $$1;' )

 BSLTEST = $(shell motelist -c | perl -e '<> =~
 /^[^,]+,(\S+?(\d+)[^,]*)/; print $$1;' )

 Theoretically this should work on Linux and Windows as it always has (I
 haven't tested this). In addition it will now also work on Mac OS X.

 Any comments?

 Cheers,
 Urs

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