That is what I am looking for. Is that in light burn
In lightburn I set up for Marlin. But then it won’t connect to the machine. If I setup for GRBL-M3 in light burn then it connects. I do a simple text file. It will laser the first letter. Then after that it just blips the laser.
Grbl is not the firmware to setup in LightBurn with an SKR pro, choose Marlin and try to resolve your connection issue
I would view the connection issues as a separate problem. Start by generating a g-code file, and then sending it to your control board using your “normal” method like Repetier-Host or a SD card. You save g-code from the Laser tab in Lightburn:
As for the “inline” command, it can be found Device settings.
For the connection issue, one thing to check would be the baud rate:
It needs to be set at 250,000.
Ok yesterday on light burn. My machine would cut the first letter and then after that would start blipping the laser again. I will post gcode. In this Gcode is setup for GBRL. What is odd about it is that you can see at the start it is turning on the laser full power. But when it moves to the next laser it says M3 but no power rating for the laser. So it will never run.
; LightBurn 1.1.03
; GRBL-M3 (1.1e or earlier) device profile, absolute coords
; Bounds: X20.27 Y51.36 to X84.75 Y69.56
G00 G17 G40 G21 G54
G90
; Cut @ 3050 mm/min, 100% power
M9
M5
G0 X23.975Y51.441
; Layer C00
M3
G1 X24.348Y51.393S255F3050
G1 X24.723Y51.365
G1 X25.098
G1 X25.474
G1 X26.008Y51.413
G1 X26.534Y51.51
G1 X27.049Y51.656
G1 X27.548Y51.852
G1 X27.959Y52.063
G1 X28.338Y52.318
G1 X28.684Y52.613
G1 X28.993Y52.944
G1 X29.263Y53.308
G1 X29.491Y53.701
G1 X29.673Y54.121
G1 X29.808Y54.563
G1 X29.953Y55.254
G1 X30.052Y55.952
G1 X30.106Y56.656
G1 Y57.362
G1 Y69.557
G1 X27.745
G1 Y57.228
G1 Y56.711
G1 X27.715Y56.196
G1 X27.653Y55.684
G1 X27.558Y55.176
G1 X27.481Y54.931
G1 X27.376Y54.699
G1 X27.246Y54.482
G1 X27.091Y54.283
G1 X26.915Y54.103
G1 X26.719Y53.944
G1 X26.503Y53.808
G1 X26.271Y53.698
G1 X25.995Y53.6
G1 X25.712Y53.528
G1 X25.425Y53.483
G1 X25.136Y53.465
G1 X24.847
G1 X24.559Y53.508
G1 X24.274Y53.569
G1 X23.994Y53.657
G1 X23.78Y53.755
G1 X23.579Y53.876
G1 X23.394Y54.017
G1 X23.225Y54.176
G1 X23.075Y54.354
G1 X22.945Y54.547
G1 X22.837Y54.754
G1 X22.751Y54.974
G1 X22.609Y55.478
G1 X22.505Y55.991
G1 X22.438Y56.509
G1 X22.411Y57.032
G1 X20.274Y56.739
G1 Y56.147
G1 X20.322Y55.557
G1 X20.414Y54.972
G1 X20.55Y54.396
G1 X20.75Y53.829
G1 X21.03Y53.301
G1 X21.384Y52.82
G1 X21.807Y52.394
G1 X22.296Y52.045
G1 X22.825Y51.768
G1 X23.388Y51.565
G1 X23.975Y51.441
M5
G0 X35.484Y54.306
M3
G1 X35.367Y54.618
G1 X35.306Y54.945
G1 Y55.28
G1 X35.356Y55.615
I am to the point that should I get away from PC9 pin and go to the fan output? Would this make things easier?
Your SKR pro runs Marlin not Grbl, so trying to run grbl gcode on a Marlin firmware fatally turns into issues.
Try to manually create a Marlin device under LightBurn and use 250 000 as baudrate.
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I also did that. Will not connect. Which is odd that I can get it to connect using the GBRL settings. The Marlin settings will not connect. So Then I used inline, marling settings and put gcode on sd. Still same problem. Will not keep the laser on. Changed settings to us M03 and M05. Still same problem. Here is the Marling gcode from lightburn
; LightBurn 1.1.03
; Marlin device profile, absolute coords
; Bounds: X20.27 Y51.36 to X84.75 Y69.56
G21
G90
; Cut @ 3050 mm/min, 100% power
M9
M05
G0 X23.975 Y51.441 F0
; Layer C00
M03 S255
G1 X24.348 Y51.393 F3050
G1 X24.723 Y51.365
G1 X25.098
G1 X25.474
G1 X26.008 Y51.413
G1 X26.534 Y51.51
G1 X27.049 Y51.656
G1 X27.548 Y51.852
G1 X27.959 Y52.063
G1 X28.338 Y52.318
G1 X28.684 Y52.613
G1 X28.993 Y52.944
G1 X29.263 Y53.308
G1 X29.491 Y53.701
G1 X29.673 Y54.121
G1 X29.808 Y54.563
G1 X29.953 Y55.254
G1 X30.052 Y55.952
G1 X30.106 Y56.656
G1 Y57.362
G1 Y69.557
G1 X27.745
G1 Y57.228
G1 Y56.711
G1 X27.715 Y56.196
G1 X27.653 Y55.684
G1 X27.558 Y55.176
G1 X27.481 Y54.931
G1 X27.376 Y54.699
G1 X27.246 Y54.482
G1 X27.091 Y54.283
G1 X26.915 Y54.103
G1 X26.719 Y53.944
G1 X26.503 Y53.808
G1 X26.271 Y53.698
G1 X25.995 Y53.6
G1 X25.712 Y53.528
G1 X25.425 Y53.483
G1 X25.136 Y53.465
G1 X24.847
G1 X24.559 Y53.508
G1 X24.274 Y53.569
G1 X23.994 Y53.657
G1 X23.78 Y53.755
G1 X23.579 Y53.876
G1 X23.394 Y54.017
G1 X23.225 Y54.176
G1 X23.075 Y54.354
G1 X22.945 Y54.547
G1 X22.837 Y54.754
G1 X22.751 Y54.974
G1 X22.609 Y55.478
G1 X22.505 Y55.991
G1 X22.438 Y56.509
G1 X22.411 Y57.032
G1 X20.274 Y56.739
G1 Y56.147
G1 X20.322 Y55.557
G1 X20.414 Y54.972
G1 X20.55 Y54.396
G1 X20.75 Y53.829
G1 X21.03 Y53.301
G1 X21.384 Y52.82
G1 X21.807 Y52.394
G1 X22.296 Y52.045
G1 X22.825 Y51.768
G1 X23.388 Y51.565
G1 X23.975 Y51.441
M05
G0 X35.484 Y54.306 F0
M03 S255
G1 X35.367 Y54.618 F3050
G1 X35.306 Y54.945
G1 Y55.28
G1 X35.356 Y55.615
G1 X35.473 Y55.943
G1 X35.71 Y56.317
G1 X36.019 Y56.627
G1 X36.388 Y56.864
G1 X36.803 Y57.017
G1 X37.339 Y57.151
G1 X37.878 Y57.263
G1 X38.422 Y57.355
G1 X38.969 Y57.425
G1 X39.511 Y57.518
G1 X40.14 Y57.634
G1 X40.761 Y57.781
G1 X41.374 Y57.959
G1 X41.978 Y58.168
G1 X41.992 Y57.646
G1 Y57.125
Do you try to connect to the SKR board usb port or on the screen usb port ?
You have to use the SKR board port.
I sometime also had connection issue over usb with lightburn and marlin, i almost fixed it keeping only 1 Marlin device(or at least setting it as default)
What i do is, unplugged usb, stop skr board, close light burn, reconnect start skr board, start lightburn
I use the SKR usb port. Well the old square printer port. Does that matter? I figured usb was for a flash drive. Also I will try to do 1 marlin device. close everything restart and see what happens.
I use the SKR usb port. Well the old square printer port. Does that matter?
Yes it is that port you have to use 
So finally. I got it to connect. I actually had to take the speed up to 500K to get it to connect. Once that was done change setting to inline. Now it cuts like crazy. I have alot to learn about lightburn. I want to thank you guys for helping with this. Just wish I would have tried all connection speeds. So much pain and headache.
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