klipper-dgus/klippy/extras/board_pins.py

37 lines
1.5 KiB
Python

# Support for custom board pin aliases
#
# Copyright (C) 2019-2020 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
class PrinterBoardAliases:
def __init__(self, config):
ppins = config.get_printer().lookup_object('pins')
mcu_names = [n.strip() for n in config.get('mcu', 'mcu').split(',')]
pin_resolvers = [ppins.get_pin_resolver(n) for n in mcu_names]
options = ["aliases"] + config.get_prefix_options("aliases_")
for opt in options:
aliases = config.get(opt, "").strip()
if not aliases:
continue
if aliases.endswith(','):
aliases = aliases[:-1]
parts = [a.split('=', 1) for a in aliases.split(',')]
for pair in parts:
if len(pair) != 2:
raise ppins.error("Unable to parse aliases in %s"
% (config.get_name(),))
name, value = [s.strip() for s in pair]
if value.startswith('<') and value.endswith('>'):
for pin_resolver in pin_resolvers:
pin_resolver.reserve_pin(name, value)
else:
for pin_resolver in pin_resolvers:
pin_resolver.alias_pin(name, value)
def load_config(config):
return PrinterBoardAliases(config)
def load_config_prefix(config):
return PrinterBoardAliases(config)