gcode_macro: Add the ability to define custom g-code macros

Add the ability to add a custom g-code command that in turn executes
one or more configured g-code commands.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-05-25 12:33:01 -04:00
parent 2994638380
commit c38a63d4db
2 changed files with 37 additions and 0 deletions

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@ -582,6 +582,14 @@
# measurements must be provided. # measurements must be provided.
# G-Code macros (one may define any number of sections with a
# "gcode_macro" prefix).
#[gcode_macro my_cmd]
#gcode:
# A list of G-Code commands (one per line) to execute in place of
# "my_cmd". This parameter must be provided.
# Replicape support - see the generic-replicape.cfg file for further # Replicape support - see the generic-replicape.cfg file for further
# details. # details.
#[replicape] #[replicape]

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@ -0,0 +1,29 @@
# Add ability to define custom g-code macros
#
# Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
class GCodeMacro:
def __init__(self, config):
self.alias = config.get_name().split()[1].upper()
self.script = config.get('gcode')
printer = config.get_printer()
self.gcode = printer.lookup_object('gcode')
try:
self.gcode.register_command(self.alias, self.cmd, desc=self.cmd_desc)
except self.gcode.error as e:
raise config.error(str(e))
self.in_script = False
cmd_desc = "G-Code macro"
def cmd(self, params):
if self.in_script:
raise self.gcode.error("Macro %s called recursively" % (self.alias,))
self.in_script = True
try:
self.gcode.run_script(self.script)
finally:
self.in_script = False
def load_config_prefix(config):
return GCodeMacro(config)