[BUG] Steps/mm haved after update from 2.0.X only for extruder with TMC 2209

[jiemeb]

Did you test the latest bugfix-2.1.x code?

Yes, and the problem still exists.

Bug Description

like bug #24504 : I have recently updated my firmware from version 2.0.X to the most recent 2.1.X, ( and bugfix 2.1.X) but the steps per millimeter for two extruder differ by a factor of 2. if i'll go back to 2.0.X last version bug is persistant . same issue with TMC2209_STANDALONE to solution my problem I have two solutions. modify my configuration.h

define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 2560, 450,450 }

to

define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 2560, 225,225 }

or modify my 'configuration_adv.h'

define E0_MICROSTEPS 16

to

define E0_MICROSTEPS 32

Bug Timeline

24504

Expected behavior

No response

Actual behavior

No response

Steps to Reproduce

put right value on configurations files

Version of Marlin Firmware

CONFIGURATION_H_VERSION 02010200

Printer model

DIY somthing like CTC3

Electronics

rumba32 Big tree with TMC2209

Add-ons

No response

Bed Leveling

No response

Your Slicer

Cura

Host Software

No response

Don't forget to include

• [X] A ZIP file containing your Configuration.h and Configuration_adv.h.

Additional information & file uploads

Marlin_config.zip

[ellensp]

You probably set updated steps/mm in eeprom
When the new firmware was uploaded the eeprom was erased, thus downgrading also did not fix it.

There is no bug here.

[jiemeb]

Hi,

Value in step in mm for my extruder is the value from marlin 1.X  and  marlin 2.0.5 with  GT2560 and stepper A4988. I never changed this value. when i change the bora and stepper i not change this  value and my config worked well. I have a doubt of version of stepper. this version changed when a go back to Marlin 2.0. it is not a eeprom problem. Regards JM

  Le 15/11/2022 à 14:31, ellensp a écrit :

You probably set updated steps/mm in eeprom When the new firmware was uploaded the eeprom was erased, thus downgrading also did not fix it.

There is no bug here.

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[jiemeb]

this day. after 4 week and lot of print. the good value for my extruder come good without action ! mystery !

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