diff --git a/klippy/extras/pause_resume.py b/klippy/extras/pause_resume.py index 93bfe5ee..79795ab9 100644 --- a/klippy/extras/pause_resume.py +++ b/klippy/extras/pause_resume.py @@ -11,6 +11,7 @@ class PauseResume: self.recover_velocity = config.getfloat('recover_velocity', 50.) self.captured_position = None self.captured_speed = 0. + self.captured_epos = None self.toolhead = self.v_sd = None self.sd_paused = False self.printer.register_event_handler("klippy:ready", self.handle_ready) @@ -19,7 +20,15 @@ class PauseResume: def handle_ready(self): self.toolhead = self.printer.lookup_object('toolhead') self.v_sd = self.printer.lookup_object('virtual_sdcard', None) + def get_status(self, eventtime): + paused = self.captured_position is not None + return { + 'is_paused': paused + } def cmd_PAUSE(self, params): + if self.captured_position is not None: + self.gcode.respond_info("Print already paused") + return if self.v_sd is not None and self.v_sd.is_active(): # Printing from virtual sd, run pause command self.sd_paused = True @@ -30,22 +39,29 @@ class PauseResume: self.toolhead.wait_moves() self.captured_position = self.toolhead.get_position() reactor = self.printer.get_reactor() - gc_status = self.gcode.get_status(reactor.monotonic()) - self.captured_speed = gc_status['speed'] + gcs = self.gcode.get_status(reactor.monotonic()) + self.captured_speed = gcs['speed'] + if gcs['abs_extrude']: + self.captured_epos = gcs['last_epos'] - gcs['base_epos'] def cmd_RESUME(self, params): + if self.captured_position is None: + self.gcode.respond_info("Print is not paused, resume aborted") + return velocity = self.gcode.get_float( 'VELOCITY', params, self.recover_velocity) - if self.captured_position is not None: - # restore previous xyz position - cur_pos = self.toolhead.get_position() - self.captured_position[3] = cur_pos[3] - self.toolhead.move(self.captured_position, velocity) - self.toolhead.get_last_move_time() - self.gcode.reset_last_position() - # restore previous speed + + cur_pos = self.toolhead.get_position() + self.captured_position[3] = cur_pos[3] + self.toolhead.move(self.captured_position, velocity) + self.toolhead.get_last_move_time() + self.gcode.reset_last_position() + # restore previous speed + self.gcode.run_script_from_command( + "G1 F%.6f" % (self.captured_speed)) + if self.captured_epos is not None: self.gcode.run_script_from_command( - "G1 F%.6f" % (self.captured_speed)) - self.captured_position = None + "G92 E%.6f" % (self.captured_epos)) + self.captured_position = self.captured_epos = None if self.sd_paused: # Printing from virtual sd, run pause command self.v_sd.cmd_M24({})