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toolhead: Clarify priming timer scheduling

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Make sure each command gets an additional 100ms before flushing via
the priming timer.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2025-10-09 01:14:53 -04:00
parent 6269dda56b
commit 4415b988c1
1 changed files with 4 additions and 4 deletions
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8
klippy/toolhead.py
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@@ -194,6 +194,7 @@ class LookAheadQueue:
BUFFER_TIME_HIGH = 2.0
BUFFER_TIME_START = 0.250
PRIMING_CMD_TIME = 0.100
# Main code to track events (and their timing) on the printer toolhead
class ToolHead:
@@ -346,8 +347,8 @@ class ToolHead:
if self.priming_timer is None:
self.priming_timer = self.reactor.register_timer(
self._priming_handler)
buffer_time = self.print_time - est_print_time
wtime = eventtime + max(0.100, buffer_time - BUFFER_TIME_HIGH)
will_pause_time = self.print_time - est_print_time - BUFFER_TIME_HIGH
wtime = eventtime + max(0., will_pause_time) + PRIMING_CMD_TIME
self.reactor.update_timer(self.priming_timer, wtime)
def _check_pause(self):
eventtime = self.reactor.monotonic()
@@ -357,8 +358,7 @@ class ToolHead:
# Check if there are lots of queued moves and pause if so
while 1:
est_print_time = self.mcu.estimated_print_time(eventtime)
buffer_time = self.print_time - est_print_time
pause_time = buffer_time - BUFFER_TIME_HIGH
pause_time = self.print_time - est_print_time - BUFFER_TIME_HIGH
if pause_time <= 0.:
break
if not self.can_pause: