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board_pins: Add a new "extras" module to support per-board pin aliases

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2019-08-09 11:53:09 -04:00 • committed by KevinOConnor
parent 395429be14
commit bfbcb90751
3 changed files with 51 additions and 2 deletions
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klippy/extras/board_pins.py Normal file
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# 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")
parts = [a.split('=', 1) for a in aliases.split(',')]
for name, value in parts:
name, value = name.strip(), value.strip()
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])