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[FEATURE] BTT TMC5160 sensorless homing #722

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[FEATURE] BTT TMC5160 sensorless homing #722

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37 changes: 37 additions & 0 deletions config/software/sensorless_homing/sensorless_BTT_TMC5160.cfg
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Original file line number Diff line number Diff line change
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# This file add support for Sensorless homing using tmc5160 drivers
# To use it, be sure to place the corresponding jumpers correctly on your MCU!
[gcode_macro _USER_VARIABLES]
variable_sensorless_homing_enabled: True
gcode:


[stepper_x]
homing_speed: 40
endstop_pin: tmc5160_stepper_x:virtual_endstop

[tmc5160 stepper_x]
diag1_pin: ^!X_STOP
driver_SGT: -64 # -64 is most sensitive value, 63 is least sensitive

[stepper_y]
homing_speed: 40
endstop_pin: tmc5160_stepper_y:virtual_endstop

[tmc5160 stepper_y]
diag1_pin: ^!Y_STOP
driver_SGT: -64 # -64 is most sensitive value, 63 is least sensitive


## PLEASE READ THE FOLLOWING:
## -64 is the most sensitive value, 63 is the least sensitive. Here we set a default
## value of -64 to avoid any trouble or crash. Your axes should not move with this parameter!

## Follow the Klipper documentation here: https://www.klipper3d.org/TMC_Drivers.html#sensorless-homing
## to find the best suited SGTHRS value according to your machine. Then you can put it in your overrides
## file like that:

# [tmc5160 stepper_x]
# driver_SGT: xxx

# [tmc5160 stepper_y]
# driver_SGT: xxx
1 change: 1 addition & 0 deletions user_templates/printer.cfg
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Expand Up @@ -255,6 +255,7 @@
# [include config/software/sensorless_homing/sensorless_TMC2209.cfg]
# [include config/software/sensorless_homing/sensorless_BTT_TMC2240.cfg]
# [include config/software/sensorless_homing/sensorless_MKS_TMC2240.cfg]
# [include config/software/sensorless_homing/sensorless_BTT_TMC5160.cfg]

### Follow the Klipper documentation here: https://www.klipper3d.org/TMC_Drivers.html#sensorless-homing
### to find the best suited SGTHRS value according to your machine. Then add this value to your
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