Grant Edwards wrote: > On 2006-07-28, Timothy Smith <[EMAIL PROTECTED]> wrote: > > >> i've been trying to send an 8 byte string to my parallel port >> under freebsd. the purpose is it to control a relay board. the >> board simply responds to the output byte coming from the port. >> eg. 00000001 will set pin 1 high and flick the relay open. >> todate i've attempted this with merely open() on /dev/ppi0 and >> numpy for the byte array, but i just can't seem to get it >> working. i know the parallel port works and i know the relay >> board works (tested it with it's own windows ultility) so it's >> just my crappy programming keeping me from success. >> > > I'm guessing there's an implied request for help there > somewhere. This would be a good start: > > http://www.google.com/search?q=python+parallel+port > > I'd particularly recommend taking a look at the pyparallel > module found here: > > http://pyserial.sourceforge.net/ > > I've not used pyparallel, but based on my experience with > pyserial and some of Chris Liechti's other work, I'd bet > dollars to doughnuts it's your best option. > > yes, i did try pyparallel however it will not install on freebsd, setup.py errors.
and yes i've done quite a bit of googling, i never expected it to be this difficult. i've done work with serial ports before. never parallel but. -- http://mail.python.org/mailman/listinfo/python-list
