klipper-dgus/klippy/extras/display_status.py

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# Module to handle M73 and M117 display status commands
#
# Copyright (C) 2018-2020 Kevin O'Connor <kevin@koconnor.net>
# Copyright (C) 2018 Eric Callahan <arksine.code@gmail.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
M73_TIMEOUT = 5.
class DisplayStatus:
def __init__(self, config):
self.printer = config.get_printer()
self.expire_progress = 0.
self.progress = self.message = None
# Register commands
gcode = self.printer.lookup_object('gcode')
gcode.register_command('M73', self.cmd_M73)
gcode.register_command('M117', self.cmd_M117)
def get_status(self, eventtime):
progress = self.progress
if progress is not None and eventtime > self.expire_progress:
idle_timeout = self.printer.lookup_object('idle_timeout')
idle_timeout_info = idle_timeout.get_status(eventtime)
if idle_timeout_info['state'] != "Printing":
self.progress = progress = None
if progress is None:
progress = 0.
sdcard = self.printer.lookup_object('virtual_sdcard', None)
if sdcard is not None:
progress = sdcard.get_status(eventtime)['progress']
return { 'progress': progress, 'message': self.message }
def cmd_M73(self, params):
gcode = self.printer.lookup_object('gcode')
progress = gcode.get_float('P', params, 0.) / 100.
self.progress = min(1., max(0., progress))
curtime = self.printer.get_reactor().monotonic()
self.expire_progress = curtime + M73_TIMEOUT
def cmd_M117(self, params):
msg = params['#original']
umsg = msg.upper()
if not umsg.startswith('M117'):
# Parse out additional info if M117 recd during a print
start = umsg.find('M117')
end = msg.rfind('*')
msg = msg[start:end]
if len(msg) > 5:
self.message = msg[5:]
else:
self.message = None
def load_config(config):
return DisplayStatus(config)