Duet3D Logo Duet3D
    • Tags
    • Documentation
    • Order
    • Register
    • Login

    Yet more conditional gcode help required

    Scheduled Pinned Locked Moved
    Gcode meta commands
    6
    36
    2.0k
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • deckingmanundefined
      deckingman @OwenD
      last edited by

      @OwenD said in Yet more conditional gcode help required:

      @deckingman said in Yet more conditional gcode help required:

      Ahh - good point. Does the rest of it look reasonable?

      Looks reasonably sane.

      That's unusual for me - I spend most of my time doing crazy stuff 🙂

      You may need an M400 in each elif.

      Good point - I'll plaster a few more M400s around

      I'm not sure what the cycle time will be so you might experience an accumulation of moves by the time you take your hand off the joystick

      Yes I had considered that - hence the 1mm "nudge move" length to start with. Guess I could either shorten that to (say) 0.1mm and/or scatter a few G4 commands around.

      Ian
      https://somei3deas.wordpress.com/
      https://www.youtube.com/@deckingman

      1 Reply Last reply Reply Quote 0
      • taconiteundefined
        taconite
        last edited by

        One suggestion: At the first 4 if statements I would add an "AND" with the negated statements of the last 4 if statements. Otherwise when you push the joystick to left forward the ifs "left", "forward" and "left forward" will be executed.

        Or wait I think what I just read is only the case if using if instead of elif ...

        Custom ANET A8
        Custom Delta: D-PATCH (Delta Printer with Automatic Tool CHanging) https://forum.duet3d.com/topic/16082/d-patch?_=1596131234754

        All I do here is under this license: CC BY-NC-SA

        1 Reply Last reply Reply Quote 0
        • dc42undefined
          dc42 administrators @deckingman
          last edited by dc42

          That's the right approach, however the if..elif statements are not right. Try something like this:

              if sensors.gpIn[5].value=0           ; if left button down
                  if sensors.gpIn[7].value=0       ; if joystick left and forward	
          	    G1 ...
          	elif sensors.gpIn[8].value=0     ; if joystick left and backwards	
          	    G1 ...
                  else                             ; just left
          	    G1 ... 
              elif sensors.gpIn[6].value=0         ; right button down
          	if sensors.gpIn[7].value=0       ; joystick right and forwards	
          	    G1 ...
                  elif sensors.gpIn[8].value=0     ; joystick right and backwards	
          	    G1 ...
                  else                             ; just right
          	    G1 X1 U1 A1
              elif sensors.gpIn[7].value=0         ; if just forwards
          	G1 ...
              elif sensors.gpIn[8].value=0         ; if just backwards
          	G1 ...
          

          You could also add an "else break" at the end, then you wouldn't need to test all the buttons in the while-part.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

          deckingmanundefined OwenDundefined 2 Replies Last reply Reply Quote 0
          • deckingmanundefined
            deckingman @dc42
            last edited by

            @dc42 Thanks. That looks good. From my very limited knowledge, I can see that would be "conflict free" compared to what I had.

            @all. Thanks for the input everyone - much appreciated. It'll be a couple of days or so before I get time to get the hardware and wiring sorted. Then I'll either report back with a successful outcome, or I'll be asking for more help........

            Ian
            https://somei3deas.wordpress.com/
            https://www.youtube.com/@deckingman

            1 Reply Last reply Reply Quote 1
            • OwenDundefined
              OwenD @dc42
              last edited by

              @dc42 said in Yet more conditional gcode help required:

              That's the right approach, however the if..elif statements are not right. Try something like this:

              You could also add an "else break" at the end, then you wouldn't need to test all the buttons in the while-part.

              If he removes the while test of all pins, wouldn't the macro only trigger once (when a switch signal rose/fell)
              Or do you just mean use "while true" instead (hence the break statement )
              I'm always reluctant to use potentially infinite loops.

              1 Reply Last reply Reply Quote 0
              • dc42undefined
                dc42 administrators
                last edited by dc42

                Yes I meant use "while true". Or if you don't like infinite loops, "while iterations < 1000" or similar.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

                OwenDundefined 1 Reply Last reply Reply Quote 0
                • OwenDundefined
                  OwenD @dc42
                  last edited by OwenD

                  @dc42 Thanks for clarification.
                  I might have locked up a few machines over the years with my clumsy work when using loops.
                  I realise it's a valid method for those that think things through more than me before they press "executive" edit: "execute" (Stupid iPhone!!!) 😆

                  1 Reply Last reply Reply Quote 0
                  • deckingmanundefined
                    deckingman
                    last edited by

                    Err, in view of the above and as a further sanity check on my understanding, here is the full macro that I intend to start with ........

                    G91; Set relative
                    M400; wait for any moves to finish
                    G1 F6000 ; set feedrate to 100mm/sec
                    
                    while sensors.gpIn[5].value=0 | sensors.gpIn[6].value=0 | sensors.gpIn[7].value=0 | sensors.gpIn[8].value=0
                    	
                    	if sensors.gpIn[5].value=0; joystick left 	
                    		
                    		if sensors.gpIn[7].value=0 ; joystick left and forwards 
                    			M400 
                    			G1 X-1 U-1 A-1 Y-1 V-1 B-1
                    			
                    		elif sensors.gpIn[8]; joystick left and backwards	
                    			M400
                    			G1 X-1 U-1 A-1 Y1 V1 B1
                    		
                    		else ; joystick left only
                    			M400
                    			G1 X-1 U-1 A-1
                    			
                    	elif sensors.gpIn[6].value=0; joystick right 	
                    		
                    		if sensors.gpIn[7].value=0 ; joystick right and forwards 
                    			M400
                    			G1 X1 U1 A1 Y-1 V-1 B-1
                    		
                    			
                    		elif sensors.gpIn[8]; joystick right and backward	
                    			M400
                    			G1 X1 U1 A1 Y1 V1 B1
                    			
                    		else ; joystick right only
                    			M400
                    			G1 X1 U1 A1
                    	
                    	elif sensors.gpIn[7].value=0 ; joystick forwards only	
                    		M400
                    		G1 Y-1 V-1 B-1
                    		
                    	elif sensors.gpIn[8].value=0 ; joystick backward only
                    		M400
                    		G1 Y1 V1 B1
                    		
                    	else break
                    

                    Is that about right?

                    Ian
                    https://somei3deas.wordpress.com/
                    https://www.youtube.com/@deckingman

                    1 Reply Last reply Reply Quote 0
                    • OwenDundefined
                      OwenD
                      last edited by OwenD

                      To clarify my comments.

                      A "while" statement will loop if the condition test is true.
                      In your case by testing all those inputs.

                      If you put

                      while true
                        G1 X1
                      

                      Then you have an endless loop as true always equals true, so you're going to crash.
                      Therefore you must ensure that you put a test in somewhere the calls "break" to get you out of the loop.

                      In the suggested code above that test is satisfied when none of the IF statements resolve to true, so break is called.

                      1 Reply Last reply Reply Quote 0
                      • deckingmanundefined
                        deckingman
                        last edited by

                        OK, so that's all wired up and working. It does what I hoped it would and it respects the axis limits too (of course it does - I never doubted it would 🙂 ).

                        But I'd like to add an embellishment if possible. I've used 1mm as a movement length which is great for reasonably precise positioning but naturally, it's a bit slow if I want to travel the full 400mm or so of axis travel. Increasing the step size to (say) 5mm is about right but then I lose precision. So what I'd like to do is a bit like how one sets the time on some digital clocks. That is to say, the longer one holds the button, the faster the time changes.

                        So I'd like to alter the code so that if I hold the joystick in one position, it will move in 1mm increments but after (say) 5 iterations, the move length will increase to (say) 5mm). Ideally I'd like to do something a bit more sophisticated still, like keep increasing the move length the longer the joystick is held in one position but I'll settle for just a binary change after say 5 iterations of the same move.

                        Here is the code that I have now (without the errors that I had in some of the elif commands when I last posted it 🙂 )

                        G91; Set relative
                        M400; wait for any moves to finish
                        G1 F6000 ; set feedrate to 100mm/sec
                        M118 S"Trigger 5 - Joystick"
                        while sensors.gpIn[5].value=0 | sensors.gpIn[6].value=0 | sensors.gpIn[7].value=0 | sensors.gpIn[8].value=0
                        	
                        	if sensors.gpIn[5].value=0; joystick left 	
                        		
                        		if sensors.gpIn[7].value=0 ; joystick left and forwards 
                        			M400 
                        			G1 X-1 U-1 A-1 Y-1 V-1 B-1
                        			echo "Left and forward"
                        			
                        		elif sensors.gpIn[8].value=0; joystick left and backwards	
                        			M400
                        			G1 X-1 U-1 A-1 Y1 V1 B1
                        			echo "Left and backwards"
                        			
                        		else ; joystick left only
                        			M400
                        			G1 X-1 U-1 A-1
                        			echo "Left"
                        			
                        	elif sensors.gpIn[6].value=0; joystick right 	
                        		
                        		if sensors.gpIn[7].value=0 ; joystick right and forwards 
                        			M400
                        			G1 X1 U1 A1 Y-1 V-1 B-1
                        			echo "Right and forward"
                        			
                        		elif sensors.gpIn[8].value=0; joystick right and backward	
                        			M400
                        			G1 X1 U1 A1 Y1 V1 B1
                        			echo "Right and backwards"
                        			
                        		else ; joystick right only
                        			M400
                        			G1 X1 U1 A1
                        			echo "Right"
                        	
                        	elif sensors.gpIn[7].value=0 ; joystick forwards only	
                        		M400
                        		G1 Y-1 V-1 B-1
                        		echo "Forward"
                        		
                        	elif sensors.gpIn[8].value=0 ; joystick backward only
                        		M400
                        		G1 Y1 V1 B1
                        		echo "Backwards"
                        		
                        	else break
                        

                        Ian
                        https://somei3deas.wordpress.com/
                        https://www.youtube.com/@deckingman

                        1 Reply Last reply Reply Quote 1
                        • dc42undefined
                          dc42 administrators
                          last edited by

                          You could use the built-in 'iterations' variable to adjust the movement amount and/or speed.

                          Duet WiFi hardware designer and firmware engineer
                          Please do not ask me for Duet support via PM or email, use the forum
                          http://www.escher3d.com, https://miscsolutions.wordpress.com

                          deckingmanundefined 1 Reply Last reply Reply Quote 0
                          • deckingmanundefined
                            deckingman @dc42
                            last edited by deckingman

                            @dc42 said in Yet more conditional gcode help required:

                            You could use the built-in 'iterations' variable to adjust the movement amount and/or speed.

                            Thanks. Would I be right in assuming the "iterations" is a counter which increments by 1 every time the while loop runs?

                            Scratch that - found it.

                            Ian
                            https://somei3deas.wordpress.com/
                            https://www.youtube.com/@deckingman

                            1 Reply Last reply Reply Quote 0
                            • deckingmanundefined
                              deckingman
                              last edited by

                              That's all working now although the code is a bit "clunky".

                              I'm guessing that once variables are introduced, I ought to be able to do something like ....

                              MoveAmount= 0.5+(iterations/5) 
                              G1 X MoveAmount..............
                              

                              .......or some such. Anyway, this is what I've ended up with which may not be elegant but works.

                              
                              G91; Set relative
                              M400; wait for any moves to finish
                              G1 F3000 ; set feedrate to 100mm/sec
                              M118 S"Trigger 5 - Joystick"
                              while sensors.gpIn[5].value=0 | sensors.gpIn[6].value=0 | sensors.gpIn[7].value=0 | sensors.gpIn[8].value=0
                              	
                              	if sensors.gpIn[5].value=0; joystick left 	
                              		
                              		if sensors.gpIn[7].value=0 ; joystick left and forwards 
                              			M400 
                              			if iterations<3
                              				G1 X-0.5 U-0.5 A-0.5 Y-0.5 V-0.5 B-0.5
                              			elif iterations<5
                              				G1 X-1 U-1 A-1 Y-1 V-1 B-1
                              			elif iterations<7
                              				G1 X-2 U-2 A-2 Y-2 V-2 B-2
                              			elif iterations<9
                              				G1 X-5 U-5 A-5 Y-5 V-5 B-5	
                              			elif iterations<11
                              				G1 X-10 U-10 A-10 Y-10 V-10 B-10
                              			else 
                              				G1 X-20 U-20 A-20 Y-20 V-20 B-20	
                              			
                              			
                              		elif sensors.gpIn[8].value=0; joystick left and backwards	
                              			M400
                              			if iterations<3
                              				G1 X-0.5 U-0.5 A-0.5 Y0.5 V0.5 B0.5
                              			elif iterations<5
                              				G1 X-1 U-1 A-1 Y1 V1 B1
                              			elif iterations<7
                              				G1 X-2 U-2 A-2 Y2 V2 B2
                              			elif iterations<9
                              				G1 X-5 U-5 A-5 Y5 V5 B5	
                              			elif iterations<11
                              				G1 X-10 U-10 A-10 Y10 V10 B10
                              			else 
                              				G1 X-20 U-20 A-20 Y20 V20 B20
                              			
                              			
                              		else ; joystick left only
                              			M400
                              			if iterations<3
                              				G1 X-0.5 U-0.5 A-0.5 
                              			elif iterations<5
                              				G1 X-1 U-1 A-1 
                              			elif iterations<7
                              				G1 X-2 U-2 A-2 
                              			elif iterations<9
                              				G1 X-5 U-5 A-5 
                              			elif iterations<11
                              				G1 X-10 U-10 A-10 
                              			else 
                              				G1 X-20 U-20 A-20
                              			
                              						
                              	elif sensors.gpIn[6].value=0; joystick right 	
                              		
                              		if sensors.gpIn[7].value=0 ; joystick right and forwards 
                              			M400
                              			if iterations<3
                              				G1 X0.5 U0.5 A0.5 Y-0.5 V-0.5 B-0.5
                              			elif iterations<5
                              				G1 X1 U1 A1 Y-1 V-1 B-1
                              			elif iterations<7
                              				G1 X2 U2 A2 Y-2 V-2 B-2
                              			elif iterations<9
                              				G1 X5 U5 A5 Y-5 V-5 B-5	
                              			elif iterations<11
                              				G1 X10 U10 A10 Y-10 V-10 B-10
                              			else 
                              				G1 X20 U20 A20 Y-20 V-20 B-20
                              			
                              			
                              		elif sensors.gpIn[8].value=0; joystick right and backward	
                              			M400
                              			if iterations<3
                              				G1 X0.5 U0.5 A0.5 Y0.5 V0.5 B0.5
                              			elif iterations<5
                              				G1 X1 U1 A1 Y1 V1 B1
                              			elif iterations<7
                              				G1 X2 U2 A2 Y2 V2 B2
                              			elif iterations<9
                              				G1 X5 U5 A5 Y5 V5 B5	
                              			elif iterations<11
                              				G1 X10 U10 A10 Y10 V10 B10
                              			else 
                              				G1 X20 U20 A20 Y20 V20 B20
                              			
                              			
                              		else ; joystick right only
                              			M400
                              			if iterations<3
                              				G1 X0.5 U0.5 A0.5
                              			elif iterations<5
                              				G1 X1 U1 A1 
                              			elif iterations<7
                              				G1 X2 U2 A2 
                              			elif iterations<9
                              				G1 X5 U5 A5 
                              			elif iterations<11
                              				G1 X10 U10 A10 
                              			else 
                              				G1 X20 U20 A20 
                              			
                              	
                              	elif sensors.gpIn[7].value=0 ; joystick forwards only	
                              		M400
                              		if iterations<3
                              				G1 Y-0.5 V-0.5 B-0.5
                              			elif iterations<5
                              				G1 Y-1 V-1 B-1
                              			elif iterations<7
                              				G1 Y-2 V-2 B-2
                              			elif iterations<9
                              				G1 Y-5 V-5 B-5	
                              			elif iterations<11
                              				G1 Y-10 V-10 B-10
                              			else 
                              				G1 Y-20 V-20 B-20
                              				
                              	elif sensors.gpIn[8].value=0 ; joystick backward only
                              		M400
                              		if iterations<3
                              				G1 Y0.5 V0.5 B0.5
                              			elif iterations<5
                              				G1 Y1 V1 B1
                              			elif iterations<7
                              				G1 Y2 V2 B2
                              			elif iterations<9
                              				G1 Y5 V5 B5	
                              			elif iterations<11
                              				G1 Y10 V10 B10
                              			else 
                              				G1 Y20 V20 B20
                              		
                              		
                              	else break
                              	
                              

                              Ian
                              https://somei3deas.wordpress.com/
                              https://www.youtube.com/@deckingman

                              1 Reply Last reply Reply Quote 0
                              • dc42undefined
                                dc42 administrators
                                last edited by dc42

                                Another way is to use your original code but replace all the XYUVABC coordinates in the G1 commands by calculated values, something like this:

                                G1 X{0.5+0.1 * iterations} Y{-(0.5+0.1 * iterations)} ...

                                Duet WiFi hardware designer and firmware engineer
                                Please do not ask me for Duet support via PM or email, use the forum
                                http://www.escher3d.com, https://miscsolutions.wordpress.com

                                deckingmanundefined 1 Reply Last reply Reply Quote 0
                                • deckingmanundefined
                                  deckingman @dc42
                                  last edited by

                                  @dc42 said in Yet more conditional gcode help required:

                                  Another way is to use your original code but replace all the XYUVABC coordinates in the G1 commands by calculated values, something like this:

                                  G1 X{0.5+0.1 * iterations} Y{-(0.5+0.1 * iterations)} ...

                                  Ahhh - that looks good! I tried something similar but it didn't work - because I used plain braces rather than curly ones. I'll give that a go..............

                                  Ian
                                  https://somei3deas.wordpress.com/
                                  https://www.youtube.com/@deckingman

                                  1 Reply Last reply Reply Quote 0
                                  • deckingmanundefined
                                    deckingman
                                    last edited by

                                    For the sake of completeness, here is the final code that I ended up using. After playing around with it, I ended up using just G1 X{0.5+interations}........etc, rather than using fraction's of "iterations".

                                    G91; Set relative
                                    M400; wait for any moves to finish
                                    G1 F6000 ; set feedrate to 100mm/sec
                                    M118 S"Trigger 5 - Joystick"
                                    while sensors.gpIn[5].value=0 | sensors.gpIn[6].value=0 | sensors.gpIn[7].value=0 | sensors.gpIn[8].value=0
                                    	
                                    	if sensors.gpIn[5].value=0; joystick left 	
                                    		
                                    		if sensors.gpIn[7].value=0 ; joystick left and forwards 
                                    			M400 
                                    			G1 X{-(0.5+iterations)} U{-(0.5+iterations)} A{-(0.5+iterations)} Y{-(0.5+iterations)} V{-(0.5+iterations)} B{-(0.5+iterations)}
                                    			echo "Left and forward"
                                    			
                                    		elif sensors.gpIn[8].value=0; joystick left and backwards	
                                    			M400
                                    			G1 X{-(0.5+iterations)} U{-(0.5+iterations)} A{-(0.5+iterations)} Y{0.5+iterations} V{0.5+iterations} B{0.5+iterations}
                                    			
                                    			echo "Left and backwards"
                                    			
                                    		else ; joystick left only
                                    			M400
                                    			G1 X{-(0.5+iterations)} U{-(0.5+iterations)} A{-(0.5+iterations)}
                                    			echo "Left"
                                    			
                                    	elif sensors.gpIn[6].value=0; joystick right 	
                                    		
                                    		if sensors.gpIn[7].value=0 ; joystick right and forwards 
                                    			M400
                                    			G1 X{0.5+iterations} U{0.5+iterations} A{0.5+iterations} Y{-(0.5+iterations)} V{-(0.5+iterations)} B{-(0.5+iterations)}
                                    			echo "Right and forward"
                                    			
                                    		elif sensors.gpIn[8].value=0; joystick right and backward	
                                    			M400
                                    			G1 X{0.5+iterations} U{0.5+iterations} A{0.5+iterations} Y{0.5+iterations} V{0.5+iterations} B{0.5+iterations}
                                    			echo "Right and backwards"
                                    			
                                    		else ; joystick right only
                                    			M400
                                    			G1 X{0.5+iterations} U{0.5+iterations} A{0.5+iterations}
                                    			echo "Right"
                                    	
                                    	elif sensors.gpIn[7].value=0 ; joystick forwards only	
                                    		M400
                                    		G1 Y{-(0.5+iterations)} V{-(0.5+iterations)} B{-(0.5+iterations)}
                                    		echo "Forward"
                                    		
                                    	elif sensors.gpIn[8].value=0 ; joystick backward only
                                    		M400
                                    		G1 Y{0.5+iterations} V{0.5+iterations} B{0.5+iterations}
                                    		echo "Backwards"
                                    		
                                    	else break
                                    
                                    

                                    Thanks for all the help guys.

                                    Ian
                                    https://somei3deas.wordpress.com/
                                    https://www.youtube.com/@deckingman

                                    1 Reply Last reply Reply Quote 2
                                    • deckingmanundefined
                                      deckingman
                                      last edited by

                                      For further completeness, I've added a "turbo button". So instead of increasing the distance using "iterations", I simply press the button in conjunction with moving the joystick. What that does is move the gantries 20mm if the button is pressed or 0.5mm if it isn't. I prefer this method but either one works.

                                      I've also wrapped the entire thing in a "if state.status != "processing"" statement (thanks for the suggestion @T3P3Tony). What that does is checks to make sure that a print is NOT in progress which will do what the M581 R2 parameter will do in the next firmware. Here is that version of the code

                                      
                                      if state.status != "processing" ; make sure that a print is NOT running
                                      	G91; Set relative
                                      	M400; wait for any moves to finish
                                      	G1 F3000 ; set feedrate to 100mm/sec
                                      	M118 S"Trigger 5 - Joystick"
                                      	while sensors.gpIn[5].value=0 | sensors.gpIn[6].value=0 | sensors.gpIn[7].value=0 | sensors.gpIn[8].value=0
                                      	
                                      		if sensors.gpIn[5].value=0; joystick left 	
                                      		
                                      			if sensors.gpIn[7].value=0 ; joystick left and forwards 
                                      				M400
                                      				echo "Left and forward"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X-20 U-20 A-20 Y-20 V-20 B-20
                                      				else
                                      					G1 X-0.5 U-0.5 A-0.5 Y-0.5 V-0.5 B-0.5
                                      			
                                      			elif sensors.gpIn[8].value=0; joystick left and backwards	
                                      				M400
                                      				echo "Left and backwards"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X-20 U-20 A-20 Y20 V20 B20
                                      				else
                                      					G1 X-0.5 U-0.5 A-0.5 Y0.5 V0.5 B0.5
                                      			
                                      			else ; joystick left only
                                      				M400
                                      				echo "Left"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X-20 U-20 A-20
                                      				else
                                      					G1 X-0.5 U-0.5 A0.5
                                      			
                                      			
                                      		elif sensors.gpIn[6].value=0; joystick right 	
                                      		
                                      			if sensors.gpIn[7].value=0 ; joystick right and forwards 
                                      				M400
                                      				echo "Right and forward"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X20 U20 A20 Y-20 V-20 B-20
                                      				else
                                      					G1 X0.5 U0.5 A0.5 Y-0.5 V-0.5 B-0.5
                                      			
                                      			elif sensors.gpIn[8].value=0; joystick right and backward	
                                      				M400
                                      				echo "Right and backwards"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X20 U20 A20 Y20 V20 B20
                                      				else
                                      					G1 X0.5 U0.5 A0.5 Y0.5 V0.5 B0.5
                                      			
                                      			else ; joystick right only
                                      				M400
                                      				echo "Right"
                                      				if sensors.gpIn[4].value=0 ; check for long move button press
                                      					G1 X20 U20 A20 
                                      				else
                                      					G1 X0.5 U0.5 A0.5 
                                      			
                                      	
                                      		elif sensors.gpIn[7].value=0 ; joystick forwards only	
                                      			M400
                                      			echo "Forward"
                                      			if sensors.gpIn[4].value=0 ; check for long move button press
                                      				G1 Y-20 V-20 B-20 
                                      			else
                                      				G1 Y-0.5 V-0.5 B-0.5 
                                      		
                                      		
                                      		elif sensors.gpIn[8].value=0 ; joystick backward only
                                      			M400
                                      			echo "Backwards"
                                      			if sensors.gpIn[4].value=0 ; check for long move button press
                                      				G1 Y20 V20 B20 
                                      			else
                                      				G1 Y0.5 V0.5 B0.5 
                                      		
                                      		else break
                                      	
                                      else break
                                      

                                      Ian
                                      https://somei3deas.wordpress.com/
                                      https://www.youtube.com/@deckingman

                                      appjawsundefined 1 Reply Last reply Reply Quote 2
                                      • appjawsundefined
                                        appjaws @deckingman
                                        last edited by

                                        @deckingman I have followed this with interest but then I thought what was the actual problem? When I use the XY buttons in DWC my main XY and UV carriages move together and in sync. Have I not understood the problem?

                                        appjaws - Core XYUV Duet Ethernet Duex5
                                        firmware 3.5.0-rc.4 Web Interface 3.5.0-rc.4
                                        Ormerod 1-converted to laser engraver, Duet wifi
                                        OpenSCAD version 2024.03.18
                                        Simplify3D 5.1.2

                                        deckingmanundefined 1 Reply Last reply Reply Quote 0
                                        • deckingmanundefined
                                          deckingman @appjaws
                                          last edited by

                                          @appjaws said in Yet more conditional gcode help required:

                                          @deckingman I have followed this with interest but then I thought what was the actual problem? When I use the XY buttons in DWC my main XY and UV carriages move together and in sync. Have I not understood the problem?

                                          Hiya. I've changed things around a bit so that I no longer combine the axes after homing. So the DWC buttons only work for individual axes. i.e. XY moves will only move the hot end - not the hot end and extruder gantry (as they used to do when the axes were combined)

                                          The reason being that I've exploited the fact that, because the extruders are connected to the hot end via short Bowden tubes, that extruder gantry doesn't have to exactly follow the hot end gantry. It doesn't have to replicate every tiny move that the hot end does - it only has to follow it within an allowable tolerance. So if there are small features (say a hole or a cylinder) then I can "park" the extruder gantry in the centre of that feature and let it sit there while the hot end does all those short moves which make that feature. The same applies to other short zig-zag type moves where the extruder gantry sits still while the hot end does the short zig-zags.

                                          I made a couple of YouTube videos which explain it in a bit more detail
                                          https://www.youtube.com/watch?v=rOP9QYAlhZU
                                          and
                                          https://www.youtube.com/watch?v=mTPV3Ss1D-4

                                          So that's the reason why the axis button on DWC are no longer much use to me. A fuller explanation of what I wanted the joystick to do, and how that works in practice is here
                                          https://www.youtube.com/watch?v=wCR5Ao0iH-c

                                          Ian
                                          https://somei3deas.wordpress.com/
                                          https://www.youtube.com/@deckingman

                                          1 Reply Last reply Reply Quote 0
                                          • appjawsundefined
                                            appjaws
                                            last edited by

                                            Hi again,
                                            Very impressive videos @deckingman . Is it possible to have a copy of your python script that generates the movement please.
                                            My machine really vibrates during short movements so your solution should solve it for me.

                                            appjaws - Core XYUV Duet Ethernet Duex5
                                            firmware 3.5.0-rc.4 Web Interface 3.5.0-rc.4
                                            Ormerod 1-converted to laser engraver, Duet wifi
                                            OpenSCAD version 2024.03.18
                                            Simplify3D 5.1.2

                                            deckingmanundefined 1 Reply Last reply Reply Quote 0
                                            • First post
                                              Last post
                                            Unless otherwise noted, all forum content is licensed under CC-BY-SA