Subroutine with Toolchange

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06 Oct 2013 00:09 #39585 by ljask
I have written several ngcgui subroutines to use with a Sherline lathe and mill. In the subroutines I issue a T<n>M6 code. When using the lathe, the tool information is loaded into memory and execution of the subroutine continues without pausing for confirmation. On the mill, the subroutine hangs--apparently waiting for acknowledgement that the tool has been changed. Everything works as expected using a sim configuration.

The lathe uses the core_stepper.hal file; the mill uses stepper_xyza.hal; of course, the sim configuration uses the core_sim,hal, axis_manualtoolchange.hal and simulated_home.hal files. I would like to get the mill to act like the lathe, picking up tool information without pausing the subroutine. Any thoughts?

Thanks!!

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06 Oct 2013 00:39 #39588 by cmorley
Replied by cmorley on topic Subroutine with Toolchange
use halmeter to look at the iocontrol pins for toolchange handling:

www.linuxcnc.org/docs/2.5/html/config/emc2hal.html#_pins_3

tool-change
tool-changed

tool-prepare
tool-prepared

Are probably the one to look at first

Chris M

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06 Oct 2013 01:07 #39590 by ljask
Replied by ljask on topic Subroutine with Toolchange
It works. I made the assumption that standard_pinout.hal files were all the same. Not so! The hal file for the mill had two lines commented out that "create a signal for tool loading loopback." Simply uncommenting the two lines fixed the problem.

Thanks. You saved me many hours.

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