742 lines
32 KiB
Python
742 lines
32 KiB
Python
# Parse gcode commands
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#
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# Copyright (C) 2016-2020 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import os, re, logging, collections, shlex
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import homing
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class GCodeCommand:
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error = homing.CommandError
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def __init__(self, gcode, command, commandline, params, need_ack):
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self._command = command
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self._commandline = commandline
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self._params = params
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self._need_ack = need_ack
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# Method wrappers
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self.respond_info = gcode.respond_info
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self.respond_raw = gcode.respond_raw
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def get_command(self):
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return self._command
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def get_commandline(self):
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return self._commandline
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def get_command_parameters(self):
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return self._params
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def ack(self, msg=None):
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if not self._need_ack:
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return False
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ok_msg = "ok"
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if msg:
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ok_msg = "ok %s" % (msg,)
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self.respond_raw(ok_msg)
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self._need_ack = False
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return True
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# Parameter parsing helpers
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class sentinel: pass
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def get(self, name, default=sentinel, parser=str, minval=None, maxval=None,
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above=None, below=None):
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value = self._params.get(name)
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if value is None:
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if default is self.sentinel:
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raise self.error("Error on '%s': missing %s"
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% (self._commandline, name))
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return default
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try:
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value = parser(value)
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except:
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raise self.error("Error on '%s': unable to parse %s"
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% (self._commandline, value))
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if minval is not None and value < minval:
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raise self.error("Error on '%s': %s must have minimum of %s"
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% (self._commandline, name, minval))
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if maxval is not None and value > maxval:
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raise self.error("Error on '%s': %s must have maximum of %s"
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% (self._commandline, name, maxval))
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if above is not None and value <= above:
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raise self.error("Error on '%s': %s must be above %s"
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% (self._commandline, name, above))
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if below is not None and value >= below:
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raise self.error("Error on '%s': %s must be below %s"
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% (self._commandline, name, below))
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return value
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def get_int(self, name, default=sentinel, minval=None, maxval=None):
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return self.get(name, default, parser=int, minval=minval, maxval=maxval)
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def get_float(self, name, default=sentinel, minval=None, maxval=None,
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above=None, below=None):
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return self.get(name, default, parser=float, minval=minval,
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maxval=maxval, above=above, below=below)
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# Parse and handle G-Code commands
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class GCodeParser:
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error = homing.CommandError
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def __init__(self, printer):
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self.printer = printer
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self.is_fileinput = not not printer.get_start_args().get("debuginput")
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printer.register_event_handler("klippy:ready", self._handle_ready)
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printer.register_event_handler("klippy:shutdown", self._handle_shutdown)
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printer.register_event_handler("klippy:disconnect",
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self._handle_disconnect)
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printer.register_event_handler("extruder:activate_extruder",
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self._handle_activate_extruder)
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# Register webhooks
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webhooks = self.printer.lookup_object('webhooks')
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webhooks.register_endpoint(
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"gcode/help", self._handle_remote_help)
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webhooks.register_endpoint(
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"gcode/script", self._handle_remote_script)
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webhooks.register_endpoint(
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"gcode/restart", self._handle_remote_restart)
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webhooks.register_endpoint(
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"gcode/firmware_restart", self._handle_remote_restart)
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# Command handling
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self.is_printer_ready = False
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self.mutex = printer.get_reactor().mutex()
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self.output_callbacks = []
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self.base_gcode_handlers = self.gcode_handlers = {}
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self.ready_gcode_handlers = {}
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self.mux_commands = {}
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self.gcode_help = {}
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for cmd in self.all_handlers:
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func = getattr(self, 'cmd_' + cmd)
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wnr = getattr(self, 'cmd_' + cmd + '_when_not_ready', False)
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desc = getattr(self, 'cmd_' + cmd + '_help', None)
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self.register_command(cmd, func, wnr, desc)
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for a in getattr(self, 'cmd_' + cmd + '_aliases', []):
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self.register_command(a, func, wnr)
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# G-Code coordinate manipulation
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self.absolute_coord = self.absolute_extrude = True
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self.base_position = [0.0, 0.0, 0.0, 0.0]
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self.last_position = [0.0, 0.0, 0.0, 0.0]
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self.homing_position = [0.0, 0.0, 0.0, 0.0]
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self.speed = 25.
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self.speed_factor = 1. / 60.
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self.extrude_factor = 1.
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# G-Code state
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self.saved_states = {}
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self.move_transform = self.move_with_transform = None
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self.position_with_transform = (lambda: [0., 0., 0., 0.])
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self.toolhead = None
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def is_traditional_gcode(self, cmd):
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# A "traditional" g-code command is a letter and followed by a number
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try:
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cmd = cmd.upper().split()[0]
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val = float(cmd[1:])
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return cmd[0].isupper() and cmd[1].isdigit()
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except:
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return False
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def register_command(self, cmd, func, when_not_ready=False, desc=None):
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if func is None:
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old_cmd = self.ready_gcode_handlers.get(cmd)
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if cmd in self.ready_gcode_handlers:
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del self.ready_gcode_handlers[cmd]
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if cmd in self.base_gcode_handlers:
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del self.base_gcode_handlers[cmd]
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return old_cmd
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if cmd in self.ready_gcode_handlers:
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raise self.printer.config_error(
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"gcode command %s already registered" % (cmd,))
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if not self.is_traditional_gcode(cmd):
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origfunc = func
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func = lambda params: origfunc(self._get_extended_params(params))
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self.ready_gcode_handlers[cmd] = func
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if when_not_ready:
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self.base_gcode_handlers[cmd] = func
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if desc is not None:
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self.gcode_help[cmd] = desc
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def register_mux_command(self, cmd, key, value, func, desc=None):
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prev = self.mux_commands.get(cmd)
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if prev is None:
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self.register_command(cmd, self._cmd_mux, desc=desc)
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self.mux_commands[cmd] = prev = (key, {})
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prev_key, prev_values = prev
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if prev_key != key:
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raise self.printer.config_error(
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"mux command %s %s %s may have only one key (%s)" % (
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cmd, key, value, prev_key))
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if value in prev_values:
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raise self.printer.config_error(
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"mux command %s %s %s already registered (%s)" % (
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cmd, key, value, prev_values))
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prev_values[value] = func
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def register_output_handler(self, cb):
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self.output_callbacks.append(cb)
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def set_move_transform(self, transform, force=False):
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if self.move_transform is not None and not force:
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raise self.printer.config_error(
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"G-Code move transform already specified")
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old_transform = self.move_transform
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if old_transform is None:
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old_transform = self.toolhead
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self.move_transform = transform
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self.move_with_transform = transform.move
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self.position_with_transform = transform.get_position
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return old_transform
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def _action_emergency_stop(self, msg="action_emergency_stop"):
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self.printer.invoke_shutdown("Shutdown due to %s" % (msg,))
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return ""
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def _action_respond_info(self, msg):
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self.respond_info(msg)
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return ""
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def _action_respond_error(self, msg):
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self._respond_error(msg)
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return ""
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def _get_gcode_position(self):
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p = [lp - bp for lp, bp in zip(self.last_position, self.base_position)]
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p[3] /= self.extrude_factor
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return p
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def _get_gcode_speed(self):
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return self.speed / self.speed_factor
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def _get_gcode_speed_override(self):
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return self.speed_factor * 60.
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def get_status(self, eventtime=None):
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move_position = self._get_gcode_position()
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return {
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'speed_factor': self._get_gcode_speed_override(),
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'speed': self._get_gcode_speed(),
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'extrude_factor': self.extrude_factor,
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'absolute_coordinates': self.absolute_coord,
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'absolute_extrude': self.absolute_extrude,
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'move_xpos': move_position[0],
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'move_ypos': move_position[1],
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'move_zpos': move_position[2],
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'move_epos': move_position[3],
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'last_xpos': self.last_position[0],
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'last_ypos': self.last_position[1],
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'last_zpos': self.last_position[2],
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'last_epos': self.last_position[3],
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'base_xpos': self.base_position[0],
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'base_ypos': self.base_position[1],
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'base_zpos': self.base_position[2],
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'base_epos': self.base_position[3],
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'homing_xpos': self.homing_position[0],
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'homing_ypos': self.homing_position[1],
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'homing_zpos': self.homing_position[2],
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'gcode_position': homing.Coord(*move_position),
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'action_respond_info': self._action_respond_info,
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'action_respond_error': self._action_respond_error,
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'action_emergency_stop': self._action_emergency_stop,
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}
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def dump_state(self):
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return ("gcode state: absolute_coord=%s absolute_extrude=%s"
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" base_position=%s last_position=%s homing_position=%s"
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" speed_factor=%s extrude_factor=%s speed=%s"
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% (self.absolute_coord, self.absolute_extrude,
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self.base_position, self.last_position, self.homing_position,
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self.speed_factor, self.extrude_factor, self.speed))
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def _handle_shutdown(self):
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if not self.is_printer_ready:
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return
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self.is_printer_ready = False
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self.gcode_handlers = self.base_gcode_handlers
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self._respond_state("Shutdown")
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def _handle_disconnect(self):
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self._respond_state("Disconnect")
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def _handle_ready(self):
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self.is_printer_ready = True
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self.gcode_handlers = self.ready_gcode_handlers
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self.toolhead = self.printer.lookup_object('toolhead')
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if self.move_transform is None:
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self.move_with_transform = self.toolhead.move
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self.position_with_transform = self.toolhead.get_position
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self._respond_state("Ready")
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def _handle_activate_extruder(self):
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self.reset_last_position()
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self.extrude_factor = 1.
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self.base_position[3] = self.last_position[3]
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def reset_last_position(self):
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if self.is_printer_ready:
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self.last_position = self.position_with_transform()
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# Parse input into commands
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args_r = re.compile('([A-Z_]+|[A-Z*/])')
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def _process_commands(self, commands, need_ack=True):
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for line in commands:
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# Ignore comments and leading/trailing spaces
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line = origline = line.strip()
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cpos = line.find(';')
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if cpos >= 0:
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line = line[:cpos]
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# Break line into parts and determine command
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parts = self.args_r.split(line.upper())
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numparts = len(parts)
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cmd = ""
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if numparts >= 3 and parts[1] != 'N':
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cmd = parts[1] + parts[2].strip()
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elif numparts >= 5 and parts[1] == 'N':
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# Skip line number at start of command
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cmd = parts[3] + parts[4].strip()
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# Build gcode "params" dictionary
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params = { parts[i]: parts[i+1].strip()
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for i in range(1, numparts, 2) }
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gcmd = GCodeCommand(self, cmd, origline, params, need_ack)
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# Invoke handler for command
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handler = self.gcode_handlers.get(cmd, self.cmd_default)
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try:
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handler(gcmd)
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except self.error as e:
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self._respond_error(str(e))
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self.reset_last_position()
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self.printer.send_event("gcode:command_error")
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if not need_ack:
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raise
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except:
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msg = 'Internal error on command:"%s"' % (cmd,)
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logging.exception(msg)
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self.printer.invoke_shutdown(msg)
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self._respond_error(msg)
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if not need_ack:
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raise
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gcmd.ack()
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def run_script_from_command(self, script):
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self._process_commands(script.split('\n'), need_ack=False)
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def run_script(self, script):
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with self.mutex:
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self._process_commands(script.split('\n'), need_ack=False)
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def get_mutex(self):
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return self.mutex
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def create_gcode_command(self, command, commandline, params):
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return GCodeCommand(self, command, commandline, params, False)
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# Response handling
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def respond_raw(self, msg):
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for cb in self.output_callbacks:
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cb(msg)
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def respond_info(self, msg, log=True):
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if log:
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logging.info(msg)
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lines = [l.strip() for l in msg.strip().split('\n')]
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self.respond_raw("// " + "\n// ".join(lines))
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def _respond_error(self, msg):
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logging.warning(msg)
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lines = msg.strip().split('\n')
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if len(lines) > 1:
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self.respond_info("\n".join(lines), log=False)
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self.respond_raw('!! %s' % (lines[0].strip(),))
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if self.is_fileinput:
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self.printer.request_exit('error_exit')
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def _respond_state(self, state):
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self.respond_info("Klipper state: %s" % (state,), log=False)
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# Parameter parsing helpers
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extended_r = re.compile(
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r'^\s*(?:N[0-9]+\s*)?'
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r'(?P<cmd>[a-zA-Z_][a-zA-Z0-9_]+)(?:\s+|$)'
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r'(?P<args>[^#*;]*?)'
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r'\s*(?:[#*;].*)?$')
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def _get_extended_params(self, gcmd):
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m = self.extended_r.match(gcmd.get_commandline())
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if m is None:
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raise self.error("Malformed command '%s'"
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% (gcmd.get_commandline(),))
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eargs = m.group('args')
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try:
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eparams = [earg.split('=', 1) for earg in shlex.split(eargs)]
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eparams = { k.upper(): v for k, v in eparams }
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gcmd._params.clear()
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gcmd._params.update(eparams)
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return gcmd
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except ValueError as e:
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raise self.error("Malformed command '%s'"
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% (gcmd.get_commandline(),))
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# G-Code special command handlers
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def cmd_default(self, gcmd):
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cmd = gcmd.get_command()
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if cmd == 'M105':
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# Don't warn about temperature requests when not ready
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gcmd.ack("T:0")
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return
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if not self.is_printer_ready:
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raise gcmd.error(self.printer.get_state_message()[0])
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return
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if not cmd:
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logging.debug(gcmd.get_commandline())
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return
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if cmd.startswith("M117 "):
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# Handle M117 gcode with numeric and special characters
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handler = self.gcode_handlers.get("M117", None)
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if handler is not None:
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handler(gcmd)
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return
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elif cmd in ['M140', 'M104'] and not gcmd.get_float('S', 0.):
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# Don't warn about requests to turn off heaters when not present
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return
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elif cmd == 'M107' or (cmd == 'M106' and (
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not gcmd.get_float('S', 1.) or self.is_fileinput)):
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# Don't warn about requests to turn off fan when fan not present
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return
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gcmd.respond_info('Unknown command:"%s"' % (cmd,))
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def _cmd_mux(self, gcmd):
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key, values = self.mux_commands[gcmd.get_command()]
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if None in values:
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key_param = gcmd.get(key, None)
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else:
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key_param = gcmd.get(key)
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if key_param not in values:
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raise gcmd.error("The value '%s' is not valid for %s"
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% (key_param, key))
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values[key_param](gcmd)
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all_handlers = [
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'G1', 'G4', 'G28', 'M400',
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'G20', 'M82', 'M83', 'G90', 'G91', 'G92', 'M114', 'M220', 'M221',
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'SET_GCODE_OFFSET', 'SAVE_GCODE_STATE', 'RESTORE_GCODE_STATE',
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'M112', 'M115', 'IGNORE', 'GET_POSITION',
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'RESTART', 'FIRMWARE_RESTART', 'ECHO', 'STATUS', 'HELP']
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# G-Code movement commands
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cmd_G1_aliases = ['G0']
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def cmd_G1(self, gcmd):
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# Move
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params = gcmd._params
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try:
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for pos, axis in enumerate('XYZ'):
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if axis in params:
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v = float(params[axis])
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if not self.absolute_coord:
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# value relative to position of last move
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self.last_position[pos] += v
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else:
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# value relative to base coordinate position
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self.last_position[pos] = v + self.base_position[pos]
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if 'E' in params:
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v = float(params['E']) * self.extrude_factor
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if not self.absolute_coord or not self.absolute_extrude:
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# value relative to position of last move
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self.last_position[3] += v
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else:
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# value relative to base coordinate position
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self.last_position[3] = v + self.base_position[3]
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if 'F' in params:
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gcode_speed = float(params['F'])
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if gcode_speed <= 0.:
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raise gcmd.error("Invalid speed in '%s'"
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% (gcmd.get_commandline(),))
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self.speed = gcode_speed * self.speed_factor
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except ValueError as e:
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raise gcmd.error("Unable to parse move '%s'"
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% (gcmd.get_commandline(),))
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self.move_with_transform(self.last_position, self.speed)
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def cmd_G4(self, gcmd):
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# Dwell
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delay = gcmd.get_float('P', 0., minval=0.) / 1000.
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self.toolhead.dwell(delay)
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def cmd_G28(self, gcmd):
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# Move to origin
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axes = []
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for pos, axis in enumerate('XYZ'):
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if gcmd.get(axis, None) is not None:
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axes.append(pos)
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if not axes:
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axes = [0, 1, 2]
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homing_state = homing.Homing(self.printer)
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if self.is_fileinput:
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homing_state.set_no_verify_retract()
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homing_state.home_axes(axes)
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for axis in homing_state.get_axes():
|
|
self.base_position[axis] = self.homing_position[axis]
|
|
self.reset_last_position()
|
|
def cmd_M400(self, gcmd):
|
|
# Wait for current moves to finish
|
|
self.toolhead.wait_moves()
|
|
# G-Code coordinate manipulation
|
|
def cmd_G20(self, gcmd):
|
|
# Set units to inches
|
|
raise gcmd.error('Machine does not support G20 (inches) command')
|
|
def cmd_M82(self, gcmd):
|
|
# Use absolute distances for extrusion
|
|
self.absolute_extrude = True
|
|
def cmd_M83(self, gcmd):
|
|
# Use relative distances for extrusion
|
|
self.absolute_extrude = False
|
|
def cmd_G90(self, gcmd):
|
|
# Use absolute coordinates
|
|
self.absolute_coord = True
|
|
def cmd_G91(self, gcmd):
|
|
# Use relative coordinates
|
|
self.absolute_coord = False
|
|
def cmd_G92(self, gcmd):
|
|
# Set position
|
|
offsets = [ gcmd.get_float(a, None) for a in 'XYZE' ]
|
|
for i, offset in enumerate(offsets):
|
|
if offset is not None:
|
|
if i == 3:
|
|
offset *= self.extrude_factor
|
|
self.base_position[i] = self.last_position[i] - offset
|
|
if offsets == [None, None, None, None]:
|
|
self.base_position = list(self.last_position)
|
|
cmd_M114_when_not_ready = True
|
|
def cmd_M114(self, gcmd):
|
|
# Get Current Position
|
|
p = self._get_gcode_position()
|
|
gcmd.respond_raw("X:%.3f Y:%.3f Z:%.3f E:%.3f" % tuple(p))
|
|
def cmd_M220(self, gcmd):
|
|
# Set speed factor override percentage
|
|
value = gcmd.get_float('S', 100., above=0.) / (60. * 100.)
|
|
self.speed = self._get_gcode_speed() * value
|
|
self.speed_factor = value
|
|
def cmd_M221(self, gcmd):
|
|
# Set extrude factor override percentage
|
|
new_extrude_factor = gcmd.get_float('S', 100., above=0.) / 100.
|
|
last_e_pos = self.last_position[3]
|
|
e_value = (last_e_pos - self.base_position[3]) / self.extrude_factor
|
|
self.base_position[3] = last_e_pos - e_value * new_extrude_factor
|
|
self.extrude_factor = new_extrude_factor
|
|
cmd_SET_GCODE_OFFSET_help = "Set a virtual offset to g-code positions"
|
|
def cmd_SET_GCODE_OFFSET(self, gcmd):
|
|
move_delta = [0., 0., 0., 0.]
|
|
for pos, axis in enumerate('XYZE'):
|
|
offset = gcmd.get_float(axis, None)
|
|
if offset is None:
|
|
offset = gcmd.get_float(axis + '_ADJUST', None)
|
|
if offset is None:
|
|
continue
|
|
offset += self.homing_position[pos]
|
|
delta = offset - self.homing_position[pos]
|
|
move_delta[pos] = delta
|
|
self.base_position[pos] += delta
|
|
self.homing_position[pos] = offset
|
|
# Move the toolhead the given offset if requested
|
|
if gcmd.get_int('MOVE', 0):
|
|
speed = gcmd.get_float('MOVE_SPEED', self.speed, above=0.)
|
|
for pos, delta in enumerate(move_delta):
|
|
self.last_position[pos] += delta
|
|
self.move_with_transform(self.last_position, speed)
|
|
cmd_SAVE_GCODE_STATE_help = "Save G-Code coordinate state"
|
|
def cmd_SAVE_GCODE_STATE(self, gcmd):
|
|
state_name = gcmd.get('NAME', 'default')
|
|
self.saved_states[state_name] = {
|
|
'absolute_coord': self.absolute_coord,
|
|
'absolute_extrude': self.absolute_extrude,
|
|
'base_position': list(self.base_position),
|
|
'last_position': list(self.last_position),
|
|
'homing_position': list(self.homing_position),
|
|
'speed': self.speed, 'speed_factor': self.speed_factor,
|
|
'extrude_factor': self.extrude_factor,
|
|
}
|
|
cmd_RESTORE_GCODE_STATE_help = "Restore a previously saved G-Code state"
|
|
def cmd_RESTORE_GCODE_STATE(self, gcmd):
|
|
state_name = gcmd.get('NAME', 'default')
|
|
state = self.saved_states.get(state_name)
|
|
if state is None:
|
|
raise gcmd.error("Unknown g-code state: %s" % (state_name,))
|
|
# Restore state
|
|
self.absolute_coord = state['absolute_coord']
|
|
self.absolute_extrude = state['absolute_extrude']
|
|
self.base_position = list(state['base_position'])
|
|
self.homing_position = list(state['homing_position'])
|
|
self.speed = state['speed']
|
|
self.speed_factor = state['speed_factor']
|
|
self.extrude_factor = state['extrude_factor']
|
|
# Restore the relative E position
|
|
e_diff = self.last_position[3] - state['last_position'][3]
|
|
self.base_position[3] += e_diff
|
|
# Move the toolhead back if requested
|
|
if gcmd.get_int('MOVE', 0):
|
|
speed = gcmd.get_float('MOVE_SPEED', self.speed, above=0.)
|
|
self.last_position[:3] = state['last_position'][:3]
|
|
self.move_with_transform(self.last_position, speed)
|
|
# G-Code miscellaneous commands
|
|
cmd_M112_when_not_ready = True
|
|
def cmd_M112(self, gcmd):
|
|
# Emergency Stop
|
|
self.printer.invoke_shutdown("Shutdown due to M112 command")
|
|
cmd_M115_when_not_ready = True
|
|
def cmd_M115(self, gcmd):
|
|
# Get Firmware Version and Capabilities
|
|
software_version = self.printer.get_start_args().get('software_version')
|
|
kw = {"FIRMWARE_NAME": "Klipper", "FIRMWARE_VERSION": software_version}
|
|
gcmd.ack(" ".join(["%s:%s" % (k, v) for k, v in kw.items()]))
|
|
cmd_IGNORE_when_not_ready = True
|
|
cmd_IGNORE_aliases = ["G21", "M110", "M21"]
|
|
def cmd_IGNORE(self, gcmd):
|
|
# Commands that are just silently accepted
|
|
pass
|
|
cmd_GET_POSITION_when_not_ready = True
|
|
def cmd_GET_POSITION(self, gcmd):
|
|
if self.toolhead is None:
|
|
self.cmd_default(gcmd)
|
|
return
|
|
kin = self.toolhead.get_kinematics()
|
|
steppers = kin.get_steppers()
|
|
mcu_pos = " ".join(["%s:%d" % (s.get_name(), s.get_mcu_position())
|
|
for s in steppers])
|
|
for s in steppers:
|
|
s.set_tag_position(s.get_commanded_position())
|
|
stepper_pos = " ".join(["%s:%.6f" % (s.get_name(), s.get_tag_position())
|
|
for s in steppers])
|
|
kin_pos = " ".join(["%s:%.6f" % (a, v)
|
|
for a, v in zip("XYZ", kin.calc_tag_position())])
|
|
toolhead_pos = " ".join(["%s:%.6f" % (a, v) for a, v in zip(
|
|
"XYZE", self.toolhead.get_position())])
|
|
gcode_pos = " ".join(["%s:%.6f" % (a, v)
|
|
for a, v in zip("XYZE", self.last_position)])
|
|
base_pos = " ".join(["%s:%.6f" % (a, v)
|
|
for a, v in zip("XYZE", self.base_position)])
|
|
homing_pos = " ".join(["%s:%.6f" % (a, v)
|
|
for a, v in zip("XYZ", self.homing_position)])
|
|
gcmd.respond_info("mcu: %s\n"
|
|
"stepper: %s\n"
|
|
"kinematic: %s\n"
|
|
"toolhead: %s\n"
|
|
"gcode: %s\n"
|
|
"gcode base: %s\n"
|
|
"gcode homing: %s"
|
|
% (mcu_pos, stepper_pos, kin_pos, toolhead_pos,
|
|
gcode_pos, base_pos, homing_pos))
|
|
def request_restart(self, result):
|
|
if self.is_printer_ready:
|
|
print_time = self.toolhead.get_last_move_time()
|
|
if result == 'exit':
|
|
logging.info("Exiting (print time %.3fs)" % (print_time,))
|
|
self.printer.send_event("gcode:request_restart", print_time)
|
|
self.toolhead.dwell(0.500)
|
|
self.toolhead.wait_moves()
|
|
self.printer.request_exit(result)
|
|
cmd_RESTART_when_not_ready = True
|
|
cmd_RESTART_help = "Reload config file and restart host software"
|
|
def cmd_RESTART(self, gcmd):
|
|
self.request_restart('restart')
|
|
cmd_FIRMWARE_RESTART_when_not_ready = True
|
|
cmd_FIRMWARE_RESTART_help = "Restart firmware, host, and reload config"
|
|
def cmd_FIRMWARE_RESTART(self, gcmd):
|
|
self.request_restart('firmware_restart')
|
|
cmd_ECHO_when_not_ready = True
|
|
def cmd_ECHO(self, gcmd):
|
|
gcmd.respond_info(gcmd.get_commandline(), log=False)
|
|
cmd_STATUS_when_not_ready = True
|
|
cmd_STATUS_help = "Report the printer status"
|
|
def cmd_STATUS(self, gcmd):
|
|
if self.is_printer_ready:
|
|
self._respond_state("Ready")
|
|
return
|
|
msg = self.printer.get_state_message()[0]
|
|
msg = msg.rstrip() + "\nKlipper state: Not ready"
|
|
raise gcmd.error(msg)
|
|
cmd_HELP_when_not_ready = True
|
|
def cmd_HELP(self, gcmd):
|
|
cmdhelp = []
|
|
if not self.is_printer_ready:
|
|
cmdhelp.append("Printer is not ready - not all commands available.")
|
|
cmdhelp.append("Available extended commands:")
|
|
for cmd in sorted(self.gcode_handlers):
|
|
if cmd in self.gcode_help:
|
|
cmdhelp.append("%-10s: %s" % (cmd, self.gcode_help[cmd]))
|
|
gcmd.respond_info("\n".join(cmdhelp), log=False)
|
|
# Webhooks
|
|
def _handle_remote_help(self, web_request):
|
|
if web_request.get_method() != 'GET':
|
|
raise web_request.error("Invalid Request Method")
|
|
web_request.send(dict(self.gcode_help))
|
|
def _handle_remote_restart(self, web_request):
|
|
if web_request.get_method() != 'POST':
|
|
raise web_request.error("Invalid Request Method")
|
|
path = web_request.get_path()
|
|
if path == "gcode/restart":
|
|
self.run_script('restart')
|
|
elif path == "gcode/firmware_restart":
|
|
self.run_script('firmware_restart')
|
|
def _handle_remote_script(self, web_request):
|
|
if web_request.get_method() != 'POST':
|
|
raise web_request.error("Invalid Request Method")
|
|
script = web_request.get('script')
|
|
self.run_script(script)
|
|
|
|
# Support reading gcode from a pseudo-tty interface
|
|
class GCodeIO:
|
|
def __init__(self, printer):
|
|
self.printer = printer
|
|
printer.register_event_handler("klippy:ready", self._handle_ready)
|
|
printer.register_event_handler("klippy:shutdown", self._handle_shutdown)
|
|
self.gcode = printer.lookup_object('gcode')
|
|
self.gcode_mutex = self.gcode.get_mutex()
|
|
self.fd = printer.get_start_args().get("gcode_fd")
|
|
self.reactor = printer.get_reactor()
|
|
self.is_printer_ready = False
|
|
self.is_processing_data = False
|
|
self.is_fileinput = not not printer.get_start_args().get("debuginput")
|
|
self.pipe_is_active = True
|
|
self.fd_handle = None
|
|
if not self.is_fileinput:
|
|
self.gcode.register_output_handler(self._respond_raw)
|
|
self.fd_handle = self.reactor.register_fd(self.fd,
|
|
self._process_data)
|
|
self.partial_input = ""
|
|
self.pending_commands = []
|
|
self.bytes_read = 0
|
|
self.input_log = collections.deque([], 50)
|
|
def _handle_ready(self):
|
|
self.is_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 _dump_debug(self):
|
|
out = []
|
|
out.append("Dumping gcode input %d blocks" % (
|
|
len(self.input_log),))
|
|
for eventtime, data in self.input_log:
|
|
out.append("Read %f: %s" % (eventtime, repr(data)))
|
|
out.append(self.gcode.dump_state())
|
|
logging.info("\n".join(out))
|
|
def _handle_shutdown(self):
|
|
if not self.is_printer_ready:
|
|
return
|
|
self.is_printer_ready = False
|
|
self._dump_debug()
|
|
if self.is_fileinput:
|
|
self.printer.request_exit('error_exit')
|
|
m112_r = re.compile('^(?:[nN][0-9]+)?\s*[mM]112(?:\s|$)')
|
|
def _process_data(self, eventtime):
|
|
# Read input, separate by newline, and add to pending_commands
|
|
try:
|
|
data = os.read(self.fd, 4096)
|
|
except os.error:
|
|
logging.exception("Read g-code")
|
|
return
|
|
self.input_log.append((eventtime, data))
|
|
self.bytes_read += len(data)
|
|
lines = data.split('\n')
|
|
lines[0] = self.partial_input + lines[0]
|
|
self.partial_input = lines.pop()
|
|
pending_commands = self.pending_commands
|
|
pending_commands.extend(lines)
|
|
self.pipe_is_active = True
|
|
# Special handling for debug file input EOF
|
|
if not data and self.is_fileinput:
|
|
if not self.is_processing_data:
|
|
self.reactor.unregister_fd(self.fd_handle)
|
|
self.fd_handle = None
|
|
self.gcode.request_restart('exit')
|
|
pending_commands.append("")
|
|
# Handle case where multiple commands pending
|
|
if self.is_processing_data or len(pending_commands) > 1:
|
|
if len(pending_commands) < 20:
|
|
# Check for M112 out-of-order
|
|
for line in lines:
|
|
if self.m112_r.match(line) is not None:
|
|
self.cmd_M112(None)
|
|
if self.is_processing_data:
|
|
if len(pending_commands) >= 20:
|
|
# Stop reading input
|
|
self.reactor.unregister_fd(self.fd_handle)
|
|
self.fd_handle = None
|
|
return
|
|
# Process commands
|
|
self.is_processing_data = True
|
|
while pending_commands:
|
|
self.pending_commands = []
|
|
with self.gcode_mutex:
|
|
self.gcode._process_commands(pending_commands)
|
|
pending_commands = self.pending_commands
|
|
self.is_processing_data = False
|
|
if self.fd_handle is None:
|
|
self.fd_handle = self.reactor.register_fd(self.fd,
|
|
self._process_data)
|
|
def _respond_raw(self, msg):
|
|
if self.pipe_is_active:
|
|
try:
|
|
os.write(self.fd, msg+"\n")
|
|
except os.error:
|
|
logging.exception("Write g-code response")
|
|
self.pipe_is_active = False
|
|
def stats(self, eventtime):
|
|
return False, "gcodein=%d" % (self.bytes_read,)
|
|
|
|
def add_early_printer_objects(printer):
|
|
printer.add_object('gcode', GCodeParser(printer))
|
|
printer.add_object('gcode_io', GCodeIO(printer))
|