M7x restore_settings failed

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rajewski
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01 Jul 2021 23:32 - 01 Jul 2021 23:39 #213464 by rajewski

M7x restore_settings failed was created by rajewski

I'm trying to write a macro that will measure all my tool lengths and update the tool table but I've run into an issue.

I have a main subroutine that does the tool changes and calls another sub to do the actual measurements. The first measurement goes well but the second throws the error "M7x: restore_settings failed executing: ' F1200.0': Unknown oword number"

I'm running the master branch (from build-bot) so this may be a bug.

The main looping macro

o<measure_tool_lengths> sub

#<start> = #1
#<end> = #2

#<idx> = #<start>

#<x>=#<_x> (save current x position with current offset)
#<y>=#<_y> (save current y position with current offset)

G90

G0 G53 Z0 (move to safe Z)

G0 G53 X#<_ini[toolsensor]x> Y#<_ini[toolsensor]y>

o100 while [#<idx> LE #<end>]
    T#<idx> M6
    o<measure_tool_length> call
    #<idx> = [#<idx> + 1]
o100 endwhile


G0 G53 Z0
G0 X#<x> Y#<y>

o<measure_tool_lengths> endsub
M2

The measurement macro

O<measure_tool_length> sub

M70 (Save modal states)

G61 (exact path mode to prevent collisions)

G92.2 (Remove G92 if set)

#<x>=#<_x> (save current x position with current offset)
#<y>=#<_y> (save current y position with current offset)

G90

G0 G53 Z0 (move to safe Z)

G0 G53 X#<_ini[toolsensor]x> Y#<_ini[toolsensor]y>

G49

G59.3

G10 L2 P0 Z0 (remove offsets)

G0 G53 Z#<_ini[toolsensor]z>

M64 P2 (Enable probe)

F#<_ini[toolsensor]search_feed>

G91
G38.2 Z#<_ini[toolsensor]maxprobe>
G1 Z1.0
F#<_ini[toolsensor]probe_feed>
G4 P0.5
G38.2 Z-2.0

M65 P2 (Disable probe)

G90
(back to start point)
M72 (restore state)
G0 G53 Z0
G0 X#<x> Y#<y>

(write the value to the tool table)
G10 L1 P#5400 Z[#5063 - #<_ini[toolsensor]offset>]

O<measure_tool_length> endsub
M2

EDIT: After messing with it more it turns out the error only was thrown after an actual tool change. It seems the M73 I was using in my tool change made the tool measurement macro fail. If I replace this with an M70/M72 pair it works. Seems like a bug in the master branch?

Last edit: 01 Jul 2021 23:39 by rajewski.

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dinodf
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26 Feb 2023 22:44 - 26 Feb 2023 22:52 #265446 by dinodf

Replied by dinodf on topic M7x restore_settings failed

Hi,
this problem is not resolved yet?
I have tested and have the same problem on LinuxCNC 2.8.4 :-(

EDIT: I have this error using a subroutine to call the change tool and probe length, if I do it in a normal GCode file it do all correctly.
With

O <touch_plate> sub 
M6T1
O<set_tool_length> call
M6T2
O<set_tool_length> call
M6T3
O<set_tool_length> call
M6T4
O<set_tool_length> call
M6T5
O<set_tool_length> call
M6T6
O<set_tool_length> call
M6T7
O<set_tool_length> call
M6T8
O<set_tool_length> call
M6T9
O<set_tool_length> call

O <touch_plate> endsub
M2

it fail with error, but if I do it in a normal .ngc file:

M6T1
O<set_tool_length> call
M6T2
O<set_tool_length> call
M6T3
O<set_tool_length> call
M6T4
O<set_tool_length> call
M6T5
O<set_tool_length> call
M6T6
O<set_tool_length> call
M6T7
O<set_tool_length> call
M6T8
O<set_tool_length> call
M6T9
O<set_tool_length> call
M2

LinuxCNC do all correctly

Last edit: 26 Feb 2023 22:52 by dinodf.

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tommylight
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26 Feb 2023 23:01 #265449 by tommylight

Replied by tommylight on topic M7x restore_settings failed

M7x is not a valid M code, probably inside the "touch_plate" file?

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andypugh
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27 Feb 2023 00:43 #265462 by andypugh

Replied by andypugh on topic M7x restore_settings failed

tommylight wrote:
M7x is not a valid M code, probably inside the "touch_plate" file?

He is just using a shortcut to mean M70 and M72.

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andypugh
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27 Feb 2023 00:48 - 27 Feb 2023 00:49 #265463 by andypugh

Replied by andypugh on topic M7x restore_settings failed

Do you have any idea which line is triggering the error? It seems to be saying it is an "F0 G64" but then "unknown O-word number" makes no sense.

Last edit: 27 Feb 2023 00:49 by andypugh.

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tommylight
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27 Feb 2023 00:59 #265464 by tommylight

Replied by tommylight on topic M7x restore_settings failed

andypugh wrote:

tommylight wrote:
M7x is not a valid M code, probably inside the "touch_plate" file?
He is just using a shortcut to mean M70 and M72.

Screenshot, bottom right side, error ?
Or is that used also for error reporting?

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andypugh
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27 Feb 2023 01:05 #265465 by andypugh

Replied by andypugh on topic M7x restore_settings failed

It's this error message here:
github.com/LinuxCNC/linuxcnc/blob/2.8/sr...erp_convert.cc#L2905

The following user(s) said Thank You: tommylight

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tommylight
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27 Feb 2023 01:49 #265466 by tommylight

Replied by tommylight on topic M7x restore_settings failed

Yes it is, thank you.

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RobC
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Junior Member

27 Feb 2023 16:00 - 27 Feb 2023 16:00 #265503 by RobC

Replied by RobC on topic M7x restore_settings failed

There's a chance it's the M2 at the end of the O subroutine. I have 2 nearly identical files - one on left works as Osub and one on right works as standalone gcode file. The only differences are the removal of % from start and end of file, and M2 removal from end.

Last edit: 27 Feb 2023 16:00 by RobC.

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dinodf
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Senior Member

28 Feb 2023 21:57 #265619 by dinodf

Replied by dinodf on topic M7x restore_settings failed

I think that is not a problem made by M2 :-(

The error occurs only when executing the procedure with no tool, if before run the procedure I do T2 M6 the procedure don't fail!
So I think there is some variables not initialized at startup and when LinuxCNC try to restore global settings it fails with an error...

	    if (status != INTERP_OK) {
		char currentError[LINELEN+1];
		rtapi_strxcpy(currentError,getSavedError());
		CHKS(status, _("M7x: restore_settings failed executing: '%s': %s"), s, currentError);
	    }

A workaround is do an unnecessary tool change before starting the procedure to set all the variables used.

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M7x restore_settings failed

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