klipper-dgus/klippy/extras/board_pins.py

30 lines
1.1 KiB
Python

# Support for custom board pin aliases
#
# Copyright (C) 2019 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, chip_name):
ppins = config.get_printer().lookup_object('pins')
pin_resolver = ppins.get_pin_resolver(chip_name)
aliases = config.get("aliases").strip()
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('>'):
pin_resolver.reserve_pin(name, value)
else:
pin_resolver.alias_pin(name, value)
def load_config(config):
return PrinterBoardAliases(config, "mcu")
def load_config_prefix(config):
return PrinterBoardAliases(config, config.get_name().split()[1])