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stepper: Add mcu_to_commanded_position() method 

Convert stepper.get_past_commanded_position() to the more general
stepper.mcu_to_commanded_position().

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-07-31 20:23:48 -04:00
parent f2d10b5729
commit 809f1ccea6
2 changed files with 3 additions and 3 deletions
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3
klippy/kinematics/extruder.py
View File

@ -155,7 +155,8 @@ class PrinterExtruder:
1., pressure_advance, 0., 1., pressure_advance, 0.,
start_v, cruise_v, accel) start_v, cruise_v, accel)
def find_past_position(self, print_time): def find_past_position(self, print_time):
return self.stepper.get_past_commanded_position(print_time) mcu_pos = self.stepper.get_past_mcu_position(print_time)
return self.stepper.mcu_to_commanded_position(mcu_pos)
def cmd_M104(self, gcmd, wait=False): def cmd_M104(self, gcmd, wait=False):
# Set Extruder Temperature # Set Extruder Temperature
temp = gcmd.get_float('S', 0.) temp = gcmd.get_float('S', 0.)

3
klippy/stepper.py
View File

@ -119,8 +119,7 @@ class MCU_stepper:
ffi_main, ffi_lib = chelper.get_ffi() ffi_main, ffi_lib = chelper.get_ffi()
pos = ffi_lib.stepcompress_find_past_position(self._stepqueue, clock) pos = ffi_lib.stepcompress_find_past_position(self._stepqueue, clock)
return int(pos) return int(pos)
def get_past_commanded_position(self, print_time): def mcu_to_commanded_position(self, mcu_pos):
mcu_pos = self.get_past_mcu_position(print_time)
return mcu_pos * self._step_dist - self._mcu_position_offset return mcu_pos * self._step_dist - self._mcu_position_offset
def dump_steps(self, count, start_clock, end_clock): def dump_steps(self, count, start_clock, end_clock):
ffi_main, ffi_lib = chelper.get_ffi() ffi_main, ffi_lib = chelper.get_ffi()