Dave, did you try putting sample input from your c program into a file, and then feeding the file into emcmot?
If that works, even if not practical for real use, it might help isolate whether the pipe is the problem. Kindest, Kirk Hays -------------- Original message ---------------------- From: Dave Engvall <[EMAIL PROTECTED]> > Hi Karen, > > There is some interest in this kind of functionality within emc. It > would be handy for either sinker or wire edm at the least and you > apparently have thought of another use. > > If one can program in Tk/Tcl then modifying tkemc to provide this > kind of movement should not be too difficult. No one has done this to > my knowledge. > > I tried an external approach where I drove emc with emcmot and then > attempted to provide input to emcmot by piping input from a small C > program to emcmot. > The C program watched a couple of pins on the parallel port and > responded according to rules in the program. > Unfortunately, the parts would work separately but the pipe failed. > (Maybe someone knows why and can point me in the right direction). :-) > > Reverse movements should not be tried with G0 in two or more > dimensions as it is rumored that G0 doesn't have to follow a > coordinated path to the destination. > > In addition there are some hooks into emc using Python and Axis but > I'm completely at a loss there. > > BTW-the reversal process also works for G2/G3 by inverting the sense > of the curve to go backwards. > > Hope this helps and maybe someone with better ideas will respond. > > Dave > On Jan 28, 2007, at 12:30 PM, Karen hov. wrote: > > > Dear Sirs, > > > > I use TKEMC software & I have a question. Would > > you please be so kind & help me to solve the problem . > > > > I want to add a "bottom" that do "Backward Step". > > > > write part of a very simple program > > n10 g0 x0 y0 z0 > > n20 g1 f10 z-0.10 > > n30 x1 > > n40 y1 > > n50 x0 > > n60 y0 > > n70 g0 z0 > > n80 m2 > > If run the program using step and have just completed > > line n50. > > i want it go back and run n40,then n30,.. > > > > Thanks in advance & looking forward to receive > > your reply ASAP. > > > > Best Regards, > > Karen Hovsepian > > HI Automation > > > > > > > > > > ______________________________________________________________________ > > ______________ > > Do you Yahoo!? > > Everyone is raving about the all-new Yahoo! Mail beta. > > http://new.mail.yahoo.com > > > > ---------------------------------------------------------------------- > > --- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to > > share your > > opinions on IT & business topics through brief surveys - and earn cash > > http://www.techsay.com/default.php? > > page=join.php&p=sourceforge&CID=DEVDEV > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
