[Tutor] question about a number and bytes.

[shawn bright]

ok, was using pyserial, but was not using struct.pack.
thanks
sk

On Jan 29, 2008 3:16 PM, Michael Langford
<michael.langford at rowdylabs.com> wrote:
> Use pyserial:
>
> http://pyserial.sourceforge.net/
>
> Use struct.pack:
>
> http://docs.python.org/lib/module-struct.html
>
> The format string will depend whether you need little or big endian.
>
>        --Michael
>
>
>
> On Jan 29, 2008 4:13 PM, shawn bright <nephish at gmail.com> wrote:
> > Thanks for your reply.
> > i need to do this in python because python is what scripting language
> > our data I/O system is written in.
> > i am writing a command out over a serial port that tells an RTU to
> > change part of it's program. I am not sure what you mean by using it
> > in any other python context, this is about the only thing we will need
> > to be able to do this for, at least, that is the case for right now.
> > thanks
> > sk
> >
> >
> > On Jan 29, 2008 2:55 PM, Tiger12506 <keridee at jayco.net> wrote:
> > > > Hello there all.
> > > >
> > > > I have a need to make a hi byte and lo byte out of a number.
> > > >
> > > > so, lets say i have a number 300, and need this number to be
> > > > represented in two bytes, how do i go about that?
> > >
> > > First question. Why would you need to do this in python? Second question. If
> > > you could do that, how would you use it in any other python context?
> > >
> > > _______________________________________________
> > > Tutor maillist  -  Tutor at python.org
> > > http://mail.python.org/mailman/listinfo/tutor
> > >
> > _______________________________________________
> > Tutor maillist  -  Tutor at python.org
> > http://mail.python.org/mailman/listinfo/tutor
> >
>
>
>
> --
> Michael Langford
> Phone: 404-386-0495
> Consulting: http://www.RowdyLabs.com
>