increases / decreases spindle speed

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10 years 1 month ago #80844 by dinkata
increases / decreases spindle speed was created by dinkata
Configuration 5i25 + 7i77. The turnover of the spindle is adjusted by +/- 10V.
I want to use with external buttons:
halui.spindle.increase (bit, in) - increases spindle speed
halui.spindle.decrease (bit, in) - decreases spindle speed
in hal:
Code:
# --- SPNINCR --- net Spnincr <= hm2_5i25.0.gpio.026.in_not => halui.spindle.increase # --- SPNDECR --- net Spndecr <= hm2_5i25.0.gpio.027.in_not => halui.spindle.decrease
but change fixed at 100 rev / min, for example : I have
M3 S200 , increase adds 100 to each press button , and I want 20 or 50.
How to set up a step change from 100 to 50 or 20 or 30 ?

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10 years 1 month ago #80861 by BigJohnT
Replied by BigJohnT on topic increases / decreases spindle speed
What version of LinuxCNC are you using?

JT

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10 years 1 month ago #80864 by cmorley
Replied by cmorley on topic increases / decreases spindle speed
It is not configurable - other then changing the source code.

from command.c:
Code:
case EMCMOT_SPINDLE_INCREASE: rtapi_print_msg(RTAPI_MSG_DBG, "SPINDLE_INCREASE"); if (emcmotStatus->spindle.speed > 0) { emcmotStatus->spindle.speed += 100; //FIXME - make the step a HAL parameter } else if (emcmotStatus->spindle.speed < 0) { emcmotStatus->spindle.speed -= 100; } break; case EMCMOT_SPINDLE_DECREASE: rtapi_print_msg(RTAPI_MSG_DBG, "SPINDLE_DECREASE"); if (emcmotStatus->spindle.speed > 100) { emcmotStatus->spindle.speed -= 100; //FIXME - make the step a HAL parameter } else if (emcmotStatus->spindle.speed < -100) { emcmotStatus->spindle.speed += 100; } break;

Chris M

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10 years 1 month ago #80875 by dinkata
Replied by dinkata on topic increases / decreases spindle speed

BigJohnT wrote: What version of LinuxCNC are you using?

LinuxCNC 2.7.7
DISPLAY=gmoccapy

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10 years 1 month ago #80876 by dinkata
Replied by dinkata on topic increases / decreases spindle speed
Chris M wrote :

from command.c:

Where is this ?
How to edit ?

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10 years 1 month ago #80880 by cmorley
Replied by cmorley on topic increases / decreases spindle speed
src/emc/motion/command.c

Most users don't compile the source code, they use the binaries.
You would need to get the source code, change the code and recompile.

this is an old explanation of how to build from source:
wiki.linuxcnc.org/cgi-bin/wiki.pl?Instal..._or_8_04_from_source
hopefully someone else could suggest a more current guide.

Chris M

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10 years 1 month ago #80881 by dinkata
Replied by dinkata on topic increases / decreases spindle speed

src/emc/motion/command.c

I have installed
www.linuxcnc.org/linuxcnc-2.7-wheezy.iso
Can I do something there ?

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10 years 1 month ago #80891 by dinkata
Replied by dinkata on topic increases / decreases spindle speed
Am I wrong or is it a bug .
I use button halui.spindle-override.increase , halui.spindle-override.decrease
Spindle speed blink

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10 years 1 month ago #80924 by pippin88
Replied by pippin88 on topic increases / decreases spindle speed

cmorley wrote: It is not configurable - other then changing the source code.

from command.c:

Code:
case EMCMOT_SPINDLE_INCREASE: rtapi_print_msg(RTAPI_MSG_DBG, "SPINDLE_INCREASE"); if (emcmotStatus->spindle.speed > 0) { emcmotStatus->spindle.speed += 100; //FIXME - make the step a HAL parameter } else if (emcmotStatus->spindle.speed < 0) { emcmotStatus->spindle.speed -= 100; } break; case EMCMOT_SPINDLE_DECREASE: rtapi_print_msg(RTAPI_MSG_DBG, "SPINDLE_DECREASE"); if (emcmotStatus->spindle.speed > 100) { emcmotStatus->spindle.speed -= 100; //FIXME - make the step a HAL parameter } else if (emcmotStatus->spindle.speed < -100) { emcmotStatus->spindle.speed += 100; } break;

Chris M


Could spindle-override be used, which has a scale property?
Code:
# Spindle override #mux allows us to choose between the two values. mux2.n.out defaults to .in0 if mux2.n.sel is not called setp mux2.0.in0 0.1 setp mux2.0.in1 0.05 net spinshift mux2.0.sel <= hm2_7i43.0.7i76.0.0.input-02 #shift white net spinoverride halui.spindle-override.scale <= mux2.0.out net spinup <= hm2_7i43.0.7i76.0.0.input-00 #up orange net spindown <= hm2_7i43.0.7i76.0.0.input-01 #down blue net spinup => halui.spindle-override.increase net spindown => halui.spindle-override.decrease

I'm having issues with this at present in gmoccapy, but works in axis.

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