Andy Pugh wrote: > 2010/1/8 Flying Electron <[email protected]>: > > >> The best I can think of so far is to have the gcode turn on one of the >> digital output pins using M64 and then having the hal multiplex the two >> parallel port pins into the probe pin, but maybe there is an easier way >> that won't waste one of the four digital output pins. >> > > Wire the probes in series? > One of the probes is electrically noisy and untrustworthy when the machine is operating, the probe is only used during a calibration routine with most of the machine turned off. But if EMC2 is no longer limited to only 4 digital outs, I have no problem using the mux component with a M64 line switching the mux between the two probes. > >> Is the number of >> digital output pins controllable by gcode hardcoded, or can it be >> increased through a setting somewhere? >> > > You can change it (the 2.3.0 release notes say so) > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?action=browse&diff=3&id=Released > > I read that it was an INI parameter a few days ago, but I can't recall > where (or more importantly, what) > > Thanks! I can look through the docs to find out where the setting is.
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