engsol <[EMAIL PROTECTED]> wrote in news:[EMAIL PROTECTED]:
> I didn't fully think through my application before posting my > question. Async com port routines to handle com port interrups > only work well if one has access to the low level operating > system. In that case the receive buffer interrupt would cause > a jump to an interrupt service routine.. I don't believe that i would not go that route... the operating system provides sync and async methods to access the serial port. it would make sense to use these before hacking the operating system. (also see below) > Python provides that capabilty directly. The solution then would > be to write a C extention? ctypes can do many things without a C compiler. it's a very nice an valuable extension, but i won't like to encurage to use it for this particular problem. > The suggestions offered by respondents to my original post > were almost all of a "Use threads, and poll as needed" flavor. > You're right...I need to learn threads as applied to com ports. if you realy want to do async programming, have a look at twisted (http://twistedmatrix.com). it does not only provide async access to the serial port (trough pyserial + some code in twisted) it also delivers some nice utility functions, classes etc, like the reactor, defereds, thread pools (if you can't resist ;-) and many protocol handlers. chris -- Chris <[EMAIL PROTECTED]> -- http://mail.python.org/mailman/listinfo/python-list
