On 1 March 2010 10:35, Andy Pugh <a...@andypugh.fsnet.co.uk> wrote: > the valving > could be converted to electro-hydraulic with switches that open and > close hydraulic valves and also inform EMC that the endstop has been > reached.
... > handled by a few lines in HAL that compare the encoder > positions to pyvcp number-boxes, triggering valve openings/closings > directly and reporting back to the G-code via digital inputs. Re-reading this, I think I might need to clarify that in the first suggestion the communication is via physical digital input pins, whereas in the second the endstop status is reported back to the G-code routine via the M66 "virtual" digital input lines, probably pausing the code and waiting for edges using the L1/L2 words. -- atp ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
