3D-printing/klipper
1
0
Fork 0
mirror of https://github.com/Klipper3d/klipper.git synced 2026-02-09 10:30:46 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

tmc: support tmc2240 sg4 homing

Browse source 
Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Timofey Titovets 2026-02-08 00:12:56 +01:00 • committed by Kevin O'Connor
parent b18446b090
commit ffdaaecbd5
1 changed files with 8 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
klippy/extras/tmc.py
View file

@ -608,12 +608,20 @@ class TMCVirtualPinHelper:
def handle_homing_move_begin(self, hmove):
if self.mcu_endstop not in hmove.get_mcu_endstops():
return
sg4_thrs = 0
if self.fields.lookup_register("sg4_thrs", None) is not None:
sg4_thrs = self.fields.get_field("sg4_thrs")
# Enable/disable stealthchop
reg = self.fields.lookup_register("en_pwm_mode", None)
if reg is None:
# On "stallguard4" drivers, "stealthchop" must be enabled
self._set_field("tpwmthrs", 0)
self._set_field("en_spreadcycle", 0)
elif sg4_thrs:
# TMC2240 using SG4, "stealthchop" must be enabled
self._set_field("en_pwm_mode", 1)
self._set_field("tpwmthrs", 0)
self._set_field(self.diag_pin_field, 1)
else:
# On earlier drivers, "stealthchop" must be disabled
self._set_field("en_pwm_mode", 0)