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prusa3d / Prusa-Firmware-Buddy

Firmware for the Original Prusa MINI, Original Prusa MK4 and the Original Prusa XL 3D printers by Prusa Research.
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[BFW-6216] [BUG] Setting pressure advance (M572) not working on firmware 6.2.0-alpha2 #4261

Open welnanick opened 1 month ago

welnanick commented 1 month ago

Printer model

MK4S

Firmware version

6.2.0-alpha2

Upgrades and modifications

No response

Printing from...

USB

Describe the bug

Setting pressure advance via M572 has no affect on print.

How to reproduce

Run one of the attached gcode files with PLA filament, observe that the pressure advance value is modified throughout the print, but there is no effect on the resulting final print.

Expected behavior

Changing the pressure advance value during the print should have a noticeable effect on the print.

Files

Example_Gcodes.zip

welnanick commented 1 month ago

I am going to downgrade to firmware 6.1.3 to see if the issue goes away, I will report back with the results.

welnanick commented 1 month ago

Just confirmed that downgrading to firmware 6.1.3 resolved the issue, so the bug was introduced in either version 6.2.0-alpha1 or 6.2.0-alpha2 of the firmware.

CZDanol commented 1 month ago

Hey, thanks for the report and for checking whether it worked in 6.1.3. I've created an internal ticket BFW-6216 and we will try to look in the issue.