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Re: Enabling joystick - Hmm

March 11, 2020, 7:28 am
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Could I get some information about using the joystick.

If I home a 3D Printer then jog using the this featured joystick.
Will my home location then jog similar to using the baby steps feature.
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Re: Marlin 2.0 bare LPC1768 :S

March 11, 2020, 7:51 am
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yes It marlin expects a particular bootloader on lpc1768 and compiles the code appropriately.

It uses the same one as smoothieboard. see [reprap.org]
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Re: Marlin 2.0 bare LPC1768 :S

March 11, 2020, 9:06 am
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Thanks, that worked like a charm.
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Upgraded from Marlin 1.02 to 2.03 & 2.03 now Homing to Center instead of Corner?

March 11, 2020, 9:26 am
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[attachment 114784 Configuration.h] - 2.0.4

[attachment 114783 Configuration.h] - 1.0.2

I have (3) Maker farm Pegasus Printers (2) Pegasus 8 and (1) Pegasus 12

All 3 were running 1.0.2 Firmware provided by the manufacturer, I was able to run a utility that allowed me to transfer the settings to more a recent version of the Marlin firmware.

For the most part this has made great improvements to all 3 units, but the problem I have run into is that the Pegasus 8 units now home to the center of the bed instead of the corner of the bed.

I have been researching but i can't figure out why this is only affecting the Pegasus 8 units but not the Pegasus 12.

I know that some people like the center but too me it creates a mess with the g code scripting for my print starts: when I run a print the printer homes (to the center) and the leaves a blob of filament that then gets dragged to the corner of the bed where its performs a nozzle wipe, then it moves back too the center to start printing.

I uploaded both the original Configuration.h and the new Configuration.h (I think this is where the settings are determined) I will upload the full file sets for both if need be.

Can anybody review the files and tell me what I need to change so any future firmware flashes are correct going forward. Thanks
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Z homing with bltouch

March 11, 2020, 9:46 am
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Hello,
I'm making a homemade printer using marlin
I have a bltouch and a z endstop switch (approx at z=155mm)
When I launch homing, the z endstop switch is used, is that the normal behaviour ?
I'd like the bltouch to be used, is that possible ? Safe ?
Thanks
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Re: Z homing with bltouch

March 11, 2020, 9:50 am
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Yes - the easiest way to do this is to remove the Z end stop switch and plug the BLTouch into the Z min end stop connector.
Then enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN and Z_SAFE_HOMING.
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Re: Upgraded from Marlin 1.02 to 2.03 & 2.03 now Homing to Center instead of Corner?

March 11, 2020, 9:53 am
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If you have Z_SAFE_HOMING enabled then the Z homing will be done in the center of the bed - this is required if homing with a probe. If you have an actual Z end stop instead of using a probe for homing then you can disable Z_SAFE_HOMING.

If you do home with a probe then you need Z_SAFE_HOMING and should probably just add a G0 X0 Y0 after the G28 in your start gcode.
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Re: Z homing with bltouch

March 11, 2020, 10:01 am
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And is that possible to keep the switch for security ?
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Re: Upgraded from Marlin 1.02 to 2.03 & 2.03 now Homing to Center instead of Corner?

March 11, 2020, 10:42 am
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Yup that is enabled, I just disabled it and will re flash and report back.

Oddly enough I also checked the Pegasus 12 and its enabled there too (yet that unit homes to the corner already) strange... not saying this doesn't solve this issue, just noting it. Thanks
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Re: Marlin 2.1 Dev - Homing after completing a print

March 11, 2020, 11:20 am
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I downgraded to 2.0.4.4 and the issue is no longer there. So I guess it's a bug in 2.1
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Re: Upgraded from Marlin 1.02 to 2.03 & 2.03 now Homing to Center instead of Corner?

March 11, 2020, 12:20 pm
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Just flashed it and it worked perfectly, thanks
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Re: Z homing with bltouch

March 11, 2020, 5:12 pm
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No, but unless you have ENDSTOPS_ALWAYS_ON_DEFAULT enabled the endstop switches are ignored except for homing anyway.
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Re: Z homing with bltouch

March 12, 2020, 2:07 pm
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My bad
I was using homedir 1 instead of -1 for z axis
Now I have the switch connected to zmax endstop and bltouch to zmin endstop and used for homing
Thanks
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Update Marlin 1.1.8 to 2.x LCD&SD problem

March 14, 2020, 1:46 am
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Dears,

I have a Tango board with REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER that works fine with version 1.1.8
Now I install the version 2.0.4 and 2.0.5:
first of all the LCD doesn't work with REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER but works with REPRAPWORLD_GRAPHICAL_LCD
with a SD init fail.

If I remove the SD card the LCD check correctly the remove and viceversa the insert of CD card is correctly identified, but there were a media non present
message. By serial monitor of Arduino the system said SD Init Fail.

Do you have any idea?

I have double check the pins files with the same parameter. Probably the errors are in some other file...
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Re: Update Marlin 1.1.8 to 2.x LCD&SD problem

March 14, 2020, 3:23 am
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Well the first question that comes to my mind is what LCD do you actually have?
Pictures?
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Re: Update Marlin 1.1.8 to 2.x LCD&SD problem

March 14, 2020, 11:39 pm
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Hi, the LCD is
BIG TREE TECH reprapdiscount full graphic smart controller 12864

Hope this can help to find out a solution

Thanks in advance.
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Re: Update Marlin 1.1.8 to 2.x LCD&SD problem

March 15, 2020, 1:22 am
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Newer marlin pushes the speed of the LCD as much as it can.

the BTT Graphics lcd is considerably slower than real RRD Graphics lcd's

Give this a try

In Marlin/src/lcd/dogm/ultralcd_DOGM.h

find U8GLIB_ST7920_128X64_RRD

and replace with U8GLIB_ST7920_128X64_4X_HAL

And set back to REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
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Marlin for cnc with pen

March 15, 2020, 6:59 am
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I made a CNC machine with pen to draw what i need to change in marlin firmware.

didn't use limit switch
only 3 stepper motors
and graphical lcd with sd card

what's the software i need to use and what's the changes need to be in firmware to change it from 3d printer to cnc with pen.
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Re: Marlin for cnc with pen

March 15, 2020, 8:42 am
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I built a MPCNC the firmware is preset-up for Dual XY Steppers and a Z Axis though you can disable the Dual XY Steppers and should be real close to what you would need.

MPCNC V1 Engineering Inc Software / Firmware
In configuration_adv.h remark out the lines below for single X/Y stepper motors

//#define X_DUAL_STEPPER_DRIVERS
//#define Y_DUAL_STEPPER_DRIVERS

MPCNC Build information is here so you can get an ideal if this will work for you.

Image Below is a sketch Drawn with the MPCNC, However due to my setup the Sketch's feet went off the Paper on Right side.

[attachment 114831 Sena.jpg]
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Re: Mix SPI and UART modes?

March 15, 2020, 1:57 pm
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Did you get this sorted? Doing the same setup. Got XY TMC2208 UART and ZE as TMC2130 SPI.
I got the TMC2208 to work ok, but SPI won't show up in debug so it seems not working. I don't know if there is problem with driver/spi config or Marlin.

OK facepalm: was using TMC2100 which does not seem to have SPI interface.
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