signed vs unsigned int

johnty johntywang at gmail.com
Wed Jun 2 03:32:55 EDT 2010


On Jun 2, 12:04 am, Christian Heimes <li... at cheimes.de> wrote:
> > i'm reading bytes from a serial port, and storing it into an array.
>
> > each byte represents a signed 8-bit int.
>
> > currently, the code i'm looking at converts them to an unsigned int by
> > doing ord(array[i]). however, what i'd like is to get the _signed_
> > integer value. whats the easiest way to do this?
>
> http://docs.python.org/library/struct.html

the struct docs is exactly what i needed to read. "unpacking" it as a
signed char did the trick. thanks guys!



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