Re-evaluate Hal Parameters Each Repeat

Been pulling my hair out on this one for the last few hours. I have the subroutine below that I pass some values to from pyvcp and a sum2 statement. What I'm seeing is that the values are grabbed once and then it repeats with those values. I'm trying to find a way to grab the parameters again after each loop. The Z movement is being incremented and I'll get the first stepdown but not any more. I'm taking an increment from pyvcp and adding it to the joint commanded position for the next move down.

o100 sub
#1 = #<_hal[pyvcp.travel-spinbox]>
#2 = #<_hal[pyvcp.travel_speed-spinbox]>
#3 = #<_hal[sum2.1.out]>
#4 = #<_hal[pyvcp.passes-spinbox]>
o101 repeat [#4]
G20
G1 X#1 F#2
G0 Z#3
G1 X0 F#2
G0 Z#3
o101 endrepeat
o100 endsub
M2

Any ideas here?

Thats expected as the pins are not updated in real time
linuxcnc.org/docs/devel/html/gcode/overv...gcode:ini-hal-params

Ah bummer about not being able to update them in real time

Was able to figure out the below and just increment and add to the original values from pyvcp. Works well but updating in real time would be sweet.

o100 sub
#1 = #<_hal[pyvcp.travel-spinbox]>
#2 = #<_hal[pyvcp.travel_speed-spinbox]>
#3 = #<_hal[sum2.1.out]>
#4 = #<_hal[pyvcp.passes-spinbox]>
#5 = 0
#6 = #<_hal[joint.1.pos-cmd]>
#7 = #<_hal[mult2.0.out]>
o101 while [#5 LT #4]
G20
G1 X#1 F#2
G0 Z#3
#3 = [#3+#7]
G1 X0 F#2
G0 Z#3
#5 = [#5+1]
#3 = [#3+#7]
o101 endwhile
o100 endsub
M2

Read that link. There may be a workaround using M66

Actually probably won't help cos your GUI pins are not real time anyway.

The only way to solve is, in .hal  for each pyvcp input something as

and in the routine

If you do this before while/endwhile, should be no problem.

If you need more analog ins, num_aio=   to increase, as example

loadrt [EMCMOT]EMCMOT servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[KINS]JOINTS num_aio=16