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toolhead: Set check_stall_time from _flush_lookahead()

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Add a new is_runout parameter to _flush_lookahead() and use that in
places that could set check_stall_time.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2025-09-06 22:22:12 -04:00
parent bb88985b8d
commit cde57bdcfd
1 changed files with 7 additions and 8 deletions
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15
klippy/toolhead.py
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@@ -294,13 +294,16 @@ class ToolHead:
# Generate steps for moves
self.motion_queuing.note_mcu_movequeue_activity(next_move_time)
self._advance_move_time(next_move_time)
def _flush_lookahead(self):
def _flush_lookahead(self, is_runout=False):
# Transit from "NeedPrime"/"Priming"/main state to "NeedPrime"
prev_print_time = self.print_time
self._process_lookahead()
self.special_queuing_state = "NeedPrime"
self.need_check_pause = -1.
self.lookahead.set_flush_time(BUFFER_TIME_HIGH)
self.check_stall_time = 0.
if is_runout and prev_print_time != self.print_time:
self.check_stall_time = self.print_time
def flush_step_generation(self):
self._flush_lookahead()
self.motion_queuing.flush_all_steps()
@@ -348,8 +351,7 @@ class ToolHead:
self.priming_timer = None
try:
if self.special_queuing_state == "Priming":
self._flush_lookahead()
self.check_stall_time = self.print_time
self._flush_lookahead(is_runout=True)
except:
logging.exception("Exception in priming_handler")
self.printer.invoke_shutdown("Exception in priming_handler")
@@ -359,15 +361,12 @@ class ToolHead:
return None
# In "main" state - flush lookahead if buffer runs low
est_print_time = self.mcu.estimated_print_time(eventtime)
print_time = self.print_time
buffer_time = print_time - est_print_time
buffer_time = self.print_time - est_print_time
if buffer_time > BUFFER_TIME_LOW:
# Running normally - reschedule check
return eventtime + buffer_time - BUFFER_TIME_LOW
# Under ran low buffer mark - flush lookahead queue
self._flush_lookahead()
if print_time != self.print_time:
self.check_stall_time = self.print_time
self._flush_lookahead(is_runout=True)
return None
# Movement commands
def get_position(self):