klipper-dgus/klippy/extras/respond.py

56 lines
2.2 KiB
Python

# Add 'RESPOND' and 'M118' commands for sending messages to the host
#
# Copyright (C) 2018 Alec Plumb <alec@etherwalker.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
respond_types = {
'echo': 'echo:',
'command': '//',
'error' : '!!',
}
class HostResponder:
def __init__(self, config):
self.printer = config.get_printer()
self.reactor = self.printer.get_reactor()
self.default_prefix = config.getchoice('default_type', respond_types,
'echo')
self.default_prefix = config.get('default_prefix', self.default_prefix)
self.gcode = self.printer.lookup_object('gcode')
self.cmd_M118_help = "Send a message to the host prefixed with '%s'" % (
self.default_prefix,)
self.gcode.register_command(
'M118', self.cmd_M118, True, desc=self.cmd_M118_help)
self.gcode.register_command('RESPOND', self.cmd_RESPOND, True)
def cmd_M118(self, params):
if '#original' in params:
msg = params['#original']
if not msg.startswith('M118'):
# Parse out additional info if M118 recd during a print
start = msg.find('M118')
end = msg.rfind('*')
msg = msg[start:end]
if len(msg) > 5:
msg = msg[5:]
else:
msg = ''
self.gcode.respond("%s %s" %(self.default_prefix, msg))
def cmd_RESPOND(self, params):
respond_type = self.gcode.get_str('TYPE', params, None)
prefix = self.default_prefix
if(respond_type != None):
respond_type = respond_type.lower()
if(respond_type in respond_types):
prefix = respond_types[respond_type]
else:
raise self.gcode.error(
"RESPOND TYPE '%s' is invalid. Must be one"
" of 'echo', 'command', or 'error'" % (respond_type,))
prefix = self.gcode.get_str('PREFIX', params, prefix)
msg = self.gcode.get_str('MSG', params, '')
self.gcode.respond("%s %s" %(prefix, msg))
def load_config(config):
return HostResponder(config)