Me, I was just planning to see how the python-GPIO library does it and make similar Pd externs. But I don't know what I'm doing :)
M On Fri, Jan 25, 2013 at 10:12:49AM +0100, Antoine Villeret wrote: > hi all, > > i made a small program which uses GPIO to scan a keypad matrix and send OSC > data to pd > it depends on liblo and libbcm2835 > it's very specific to my project but could help someone... > code is here : https://github.com/avilleret/pianophone > > cheers > > a > > -- > do it yourself > http://antoine.villeret.free.fr > > > 2013/1/25 Charles Goyard <c...@fsck.fr> > > > Hi Miller, > > > > Miller Puckette wrote: > > > I think either I or a grad student (we'll see) will be writing a Pd > > extern > > > to do this efficiently -- for the moment it would be possible with a > > Python > > > script (using netsend/netreceive in Pd) but having an extern would be > > more > > > lightweight and probably more robust. > > > > great, thanks! Meanwhile I found out about webiopi, which can act as a > > placeholder ATM. (http://code.google.com/p/webiopi/wiki/RESTAPI) > > > > Will you use /dev/mem and require root privileges, or the > > /sys/class/gpio filesystem? (see > > http://www.raspberrypi.org/phpBB3/viewtopic.php?f=29&t=9667&p=198848 for > > how to change permissions, non-standard !) > > > > -- > > Charlot > > > > _______________________________________________ > > Pd-list@iem.at mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > _______________________________________________ > Pd-list@iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list