Yeah, i am using pyserial, i think, in debian its called python serial and i use import serial to get things going. Really easy, just wanted to know about this stuff before i start scrambling this like so many eggs.
i will not be using two different scripts, but likely two threads in the same script. not sure i really get what select() is all about great link by the way, thanks. shawn On Mon, 2005-11-14 at 12:35 -0600, Hugo González Monteverde wrote: > Hi Nephish, > > Are you using pyserial or rolling your own? Normally you can write and > read to the /dev/ttySXX file at the same time; since they're special > files, not ordinary files, the driver handles that. > > Handling both writing and reading in your program's flow control is a > wholly different matter, though. You might need to use select() to > avoid blocking. > > Are you using two completely different scripts for reding and writing? > > There is some valuable info, if not about python, in the Serial > Programming howto, at: > > http://www.tldp.org/HOWTO/Serial-Programming-HOWTO/ > > > Hugo > > nephish wrote: > > Hey there, > > i am developing on a linux computer with the serial module. Now, i > > already am able to recieve info from a serial RS232 device and process > > everything ok. What i need to do now is write to the serial device, but > > i also need to be able to not interrupt the script that is reading from > > it. > > I guess my question is, do i have to interrupt the reading script to > > write to the same RS232 device ? > > and if so, how do i do that? > > > > thanks, > > shawn > > > > _______________________________________________ > > Tutor maillist - Tutor@python.org > > http://mail.python.org/mailman/listinfo/tutor > > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
