klipper/klippy/extras/idle_timeout.py

50 lines
1.8 KiB
Python

# Support for disabling the printer on an idle timeout
#
# Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
DEFAULT_IDLE_GCODE = """
TURN_OFF_HEATERS
M84
"""
class IdleTimeout:
def __init__(self, config):
self.printer = config.get_printer()
self.toolhead = None
self.last_timeout = 0.
self.idle_timeout = config.getfloat('timeout', 600., above=0.)
self.idle_script = config.get('gcode', DEFAULT_IDLE_GCODE)
def printer_state(self, state):
if state == 'ready':
self.toolhead = self.printer.lookup_object('toolhead')
reactor = self.printer.get_reactor()
reactor.register_timer(self.timeout_handler, reactor.NOW)
def run_idle_script(self):
gcode = self.printer.lookup_object('gcode')
for line in self.idle_script.split('\n'):
try:
res = gcode.process_batch(line)
except:
break
if not res:
# Raced with incoming g-code commands
return
self.last_timeout = self.toolhead.get_last_move_time()
def timeout_handler(self, eventtime):
info = self.toolhead.get_status(eventtime)
print_time = info['print_time']
status = info['status']
if print_time <= self.last_timeout or status == 'Printing':
return eventtime + self.idle_timeout
estimated_print_time = info['estimated_print_time']
elapsed_time = estimated_print_time - print_time
if elapsed_time < self.idle_timeout:
return eventtime + self.idle_timeout - elapsed_time
self.run_idle_script()
return eventtime + 1.
def load_config(config):
return IdleTimeout(config)