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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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@python.org > > http://mail.python.org/mailman/listinfo/tutor > > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > -- Michael Langford Phone: 404-386-0495 Consulting: http://www.RowdyLabs.com _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor