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Re: GSM problem

by wazoox (Prior)
on Apr 23, 2010 at 11:48 UTC ( #836504=note: print w/replies, xml ) Need Help??

in reply to GSM problem

Your script obviously must have write access to /dev/ttyACM0. So 755 permission is not enough, probably should be 777.

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Re^2: GSM problem
by choroba (Chancellor) on Apr 23, 2010 at 11:53 UTC
    I fear that the permission refers to the script file, not the device.

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[Corion]: Nicholas Clark++ # read for a multichar block-delimiter by scanning for the last char, and only then check whether the whole delimiter was read.
[Corion]: At least if you're appending the data read to a larger buffer, this means you avoid the situation of "a delimiter was found but the other half has not been read yet"
choroba misses the context
[Corion]: choroba: Optimizing how Perl reads source code on startup (and then processes it line-by-line)
[Corion]: But in general, it seems to be an interesting approach I should think about - whenever I'm searching for something, to consider if I could search for the end of the token instead of the start of the token

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