How to write a gcode loop for exactly N iterations?

[zapta]

I have a test macro file with an infinite loop which want to change to exactly 100 iterations. What is the gcode idiom for iterating N times where N is a constant?

while true
  g1 x0 y0 f30000
  g1 x240 y0 f30000
  g1 x240 y240 f30000
  g1 x0 y240 f30000

[jay_s_uk]

@zapta this should work

while true
  If iterations > 100
    Abort
  g1 x0 y0 f30000
  g1 x240 y0 f30000
  g1 x240 y240 f30000
  g1 x0 y240 f30000

[dc42]

@zapta use:

while iterations <100

[zapta]

Thanks @jay_s_uk and @dc42. This is exactly what I was looking for.

BTW, since 'iterations' is loop specific, may be helpful to mention it also in the loop section.

https://duet3d.dozuki.com/Wiki/GCode_Meta_Commands#Section_Loop

[dc42]

@zapta said in How to write a gcode loop for exactly N iterations?:

BTW, since 'iterations' is loop specific, may be helpful to mention it also in the loop section.

Done!