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stepcompress: Return number of steps traveled from stepcompress_push()

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Return the same information from stepcompress_push() that is returned
from stepcompress_push_const() and stpcompress_push_delta().

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-09-13 09:01:13 -04:00
parent 52156d2c41
commit 14810d7e80
3 changed files with 7 additions and 10 deletions
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11
klippy/mcu.py
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@ -108,14 +108,11 @@ class MCU_stepper:
if ret:
raise error("Internal error in stepcompress")
def step(self, mcu_time, sdir):
clock = mcu_time * self._mcu_freq
ret = self._ffi_lib.stepcompress_push(self._stepqueue, clock, sdir)
if ret:
count = self._ffi_lib.stepcompress_push(
self._stepqueue, mcu_time * self._mcu_freq, sdir)
if count == STEPCOMPRESS_ERROR_RET:
raise error("Internal error in stepcompress")
if sdir:
self._commanded_pos += 1
else:
self._commanded_pos -= 1
self._commanded_pos += count
def step_const(self, mcu_time, start_pos, dist, start_v, accel):
inv_step_dist = self._inv_step_dist
step_offset = self._commanded_pos - start_pos * inv_step_dist