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Sensorless homing with TMC 2130 not working when homing all axes at once #9471

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Tamonir opened this issue Feb 4, 2018 · 4 comments
Closed

Sensorless homing with TMC 2130 not working when homing all axes at once #9471

Tamonir opened this issue Feb 4, 2018 · 4 comments
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F: Calibration

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@Tamonir
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Tamonir commented Feb 4, 2018

Hi

  • Description:
    I have some issues using sensorless homing feature of Fysetc 2130. SPI - resistor is soldered out, CF4 and CFG5 are properly soldered. When Homing via GCODE "G28 X", X homes successfully by sensorless homing and detects the end of the axis. Same for "G28 Y". However, if I say "G28" or "G28 XY", both axes are raming into the end without detecting anything.

  • Expected behaviour:
    Proper detection of sensorless X and Y endstops

  • Actual behaviour:
    "G28 X" and "G28 Y" working fine with sensorless homing but "G28 XY" and "G28" do not (ramming without detection)

  • Steps to reproduce:

Thanks in advance
@lemmingDev
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//#define QUICK_HOME

make sure QUICK_HOME is disabled

@Tamonir
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Tamonir commented Feb 11, 2018

Thanks a lot! I would never have found that one. Works perfect!

@thinkyhead
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thinkyhead commented Feb 19, 2018 •
edited

See if adding this to the very end of quick_home_xy helps, and you may then be able to use QUICK_HOME again…

    #if ENABLED(SENSORLESS_HOMING)
      safe_delay(500); // Short delay needed to settle
    #endif

thinkyhead added a commit that referenced this issue Feb 19, 2018
@thinkyhead
Add a SENSORLESS_HOMING delay to quick_home_xy
e3370d0 
Fix #9471
thinkyhead added a commit that referenced this issue Feb 19, 2018
@thinkyhead
Add SENSORLESS_HOMING delay to quick_home_xy
d4e4fe4 
Fix #9471
AnHardt added a commit to AnHardt/Marlin that referenced this issue Mar 29, 2018
@AnHardt
undelay_sensorless_quickhome_1
f28d5c3 
This is a remainder of an unsucsessfull try to fix sensorless quickhoming (MarlinFirmware#9471). A positive effect was never confirmed.
Half a second is not short.
If this would be a fix for anything, the same fix would be nedded in delta-homing.
AnHardt added a commit to AnHardt/Marlin that referenced this issue Mar 29, 2018
@AnHardt
undelay_sensorless_quickhome_2
adb581a 
This is a remainder of an unsucsessfull try to fix sensorless quickhoming (MarlinFirmware#9471). A positive effect was never confirmed.
Half a second is not short.
If this would be a fix for anything, the same fix would be nedded in delta-homing.
This was referenced Mar 29, 2018
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thinkyhead added a commit that referenced this issue Sep 22, 2018
@thinkyhead
Add a SENSORLESS_HOMING delay to quick_home_xy
2d71ebe 
Fix #9471
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This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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@thinkyhead @lemmingDev @Tamonir