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. -- Grant Edwards grante Yow! It's so OBVIOUS!! at visi.com -- http://mail.python.org/mailman/listinfo/python-list
