def printer_state(self, state):
if state == 'shutdown':
if not self.is_printer_ready:
return
self.is_printer_ready = False
self.gcode_handlers = self.base_gcode_handlers
self.dump_debug()
if self.is_fileinput:
self.printer.request_exit('error_exit')
return
if state != 'ready':
return
self.is_printer_ready = True
self.gcode_handlers = self.ready_gcode_handlers
# Lookup printer components
self.toolhead = self.printer.lookup_object('toolhead')
if self.move_transform is None:
self.move_with_transform = self.toolhead.move
self.position_with_transform = self.toolhead.get_position
extruders = extruder.get_printer_extruders(self.printer)
if extruders:
self.extruder = extruders[0]
self.toolhead.set_extruder(self.extruder)
self.heaters = [e.get_heater() for e in extruders]
self.heaters.append(self.printer.lookup_object('heater_bed', None))
self.fan = self.printer.lookup_object('fan', None)
if self.is_fileinput and self.fd_handle is None:
self.fd_handle = self.reactor.register_fd(self.fd,
self.process_data)
def set_printer_ready(self, is_ready):
if self.is_printer_ready == is_ready:
return
self.is_printer_ready = is_ready
self.gcode_handlers = self.build_handlers(is_ready)
if not is_ready:
# Printer is shutdown (could be running in a background thread)
return
# Lookup printer components
self.toolhead = self.printer.objects.get('toolhead')
extruders = extruder.get_printer_extruders(self.printer)
if extruders:
self.extruder = extruders[0]
self.toolhead.set_extruder(self.extruder)
self.heaters = [e.get_heater() for e in extruders]
self.heaters.append(self.printer.objects.get('heater_bed'))
self.fan = self.printer.objects.get('fan')
for i in range(99):
extruder_fan_name = 'extruder_auto_fan%d' % (i, )
extruder_fan = self.printer.objects.get(extruder_fan_name)
if not i and not extruder_fan:
extruder_fan = self.printer.objects.get('extruder_auto_fan')
if extruder_fan:
extruder_fan.printer_ready = True
if self.is_fileinput and self.fd_handle is None:
self.fd_handle = self.reactor.register_fd(self.fd,
self.process_data)
def motor_off(self):
self.dwell(STALL_TIME)
last_move_time = self.get_last_move_time()
self.kin.motor_off(last_move_time)
for ext in extruder.get_printer_extruders(self.printer):
ext.motor_off(last_move_time)
self.dwell(STALL_TIME)
self.need_motor_off = False
logging.debug('; Max time of %f', last_move_time)
def __init__(self, printer, config):
self.printer = printer
self.reactor = printer.reactor
self.extruder = extruder.DummyExtruder()
kintypes = {
'cartesian': cartesian.CartKinematics,
'corexy': corexy.CoreXYKinematics,
'delta': delta.DeltaKinematics
}
self.kin = config.getchoice('kinematics', kintypes)(printer, config)
self.max_speed = config.getfloat('max_velocity', above=0.)
self.max_accel = config.getfloat('max_accel', above=0.)
self.max_accel_to_decel = config.getfloat('max_accel_to_decel',
self.max_accel * 0.5,
above=0.,
maxval=self.max_accel)
self.junction_deviation = config.getfloat('junction_deviation',
0.02,
above=0.)
self.move_queue = MoveQueue()
self.move_queue.set_extruder(self.extruder)
self.commanded_pos = [0., 0., 0., 0.]
# Print time tracking
self.buffer_time_low = config.getfloat('buffer_time_low',
1.000,
above=0.)
self.buffer_time_high = config.getfloat('buffer_time_high',
2.000,
above=self.buffer_time_low)
self.buffer_time_start = config.getfloat('buffer_time_start',
0.250,
above=0.)
self.move_flush_time = config.getfloat('move_flush_time',
0.050,
above=0.)
self.print_time = 0.
self.last_print_end_time = self.reactor.monotonic()
self.need_check_stall = -1.
self.print_stall = 0
self.synch_print_time = True
self.forced_synch = False
self.flush_timer = self.reactor.register_timer(self._flush_handler)
self.move_queue.set_flush_time(self.buffer_time_high)
# Motor off tracking
self.motor_off_time = config.getfloat('motor_off_time',
600.000,
minval=0.)
self.motor_off_timer = self.reactor.register_timer(
self._motor_off_handler)
# Determine the maximum velocity a cartesian axis could have
# before cornering. The 8. was determined experimentally.
xy_halt = math.sqrt(8. * self.junction_deviation * self.max_accel)
self.kin.set_max_jerk(xy_halt, self.max_speed, self.max_accel)
for e in extruder.get_printer_extruders(printer):
e.set_max_jerk(xy_halt, self.max_speed, self.max_accel)
def connect(self):
self.is_printer_ready = True
self.gcode_handlers = self.ready_gcode_handlers
# Lookup printer components
self.toolhead = self.printer.objects.get('toolhead')
extruders = extruder.get_printer_extruders(self.printer)
if extruders:
self.extruder = extruders[0]
self.toolhead.set_extruder(self.extruder)
self.heaters = [ e.get_heater() for e in extruders ]
self.heaters.append(self.printer.objects.get('heater_bed'))
self.fan = self.printer.objects.get('fan')
if self.is_fileinput and self.fd_handle is None:
self.fd_handle = self.reactor.register_fd(self.fd, self.process_data)
def cmd_Tn(self, params):
# Select Tool
extruders = extruder.get_printer_extruders(self.printer)
index = self.get_int('T', params, minval=0, maxval=len(extruders)-1)
e = extruders[index]
if self.extruder is e:
return
self.run_script(self.extruder.get_activate_gcode(False))
try:
self.toolhead.set_extruder(e)
except homing.EndstopError as e:
raise error(str(e))
self.extruder = e
self.reset_last_position()
self.run_script(self.extruder.get_activate_gcode(True))
def cmd_Tn(self, params):
# Select Tool
index = self.get_int('T', params)
extruders = extruder.get_printer_extruders(self.printer)
if self.extruder is None or index < 0 or index >= len(extruders):
self.respond_error("Extruder %d not configured" % (index,))
return
e = extruders[index]
if self.extruder is e:
return
self.run_script(self.extruder.get_activate_gcode(False))
try:
self.toolhead.set_extruder(e)
except homing.EndstopError as e:
raise error(str(e))
self.extruder = e
self.reset_last_position()
self.run_script(self.extruder.get_activate_gcode(True))
def cmd_Tn(self, params):
# Select Tool
index = self.get_int('T', params)
extruders = extruder.get_printer_extruders(self.printer)
if self.extruder is None or index < 0 or index >= len(extruders):
self.respond_error("Extruder %d not configured" % (index, ))
return
e = extruders[index]
if self.extruder is e:
return
deactivate_gcode = self.extruder.get_activate_gcode(False)
self.process_commands(deactivate_gcode.split('\n'), need_ack=False)
try:
self.toolhead.set_extruder(e)
except homing.EndstopError as e:
self.respond_error(str(e))
return
self.extruder = e
self.last_position = self.toolhead.get_position()
activate_gcode = self.extruder.get_activate_gcode(True)
self.process_commands(activate_gcode.split('\n'), need_ack=False)
