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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>
This commit is contained in:
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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16
klippy/pins.py
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@ -161,13 +161,25 @@ class PinResolver:
raise error("Pin %s reserved for %s - can't reserve for %s" % (
pin, self.reserved[pin], reserve_name))
self.reserved[pin] = reserve_name
def alias_pin(self, alias, pin):
if alias in self.aliases and self.aliases[alias] != pin:
raise error("Alias %s mapped to %s - can't alias to %s" % (
alias, self.aliases[alias], pin))
if pin in self.aliases:
pin = self.aliases[pin]
self.aliases[alias] = pin
for existing_alias, existing_pin in self.aliases.items():
if existing_pin == alias:
self.aliases[existing_alias] = pin
def add_pin_mapping(self, mcu_type, mapping_name):
if mapping_name == 'arduino':
self.aliases = get_aliases_arduino(mcu_type)
pin_mapping = get_aliases_arduino(mcu_type)
elif mapping_name == 'beaglebone':
self.aliases = get_aliases_beaglebone(mcu_type)
pin_mapping = get_aliases_beaglebone(mcu_type)
else:
raise error("Unknown pin alias mapping '%s'" % (mapping_name,))
for alias, pin in pin_mapping.items():
self.alias_pin(alias, pin)
def update_command(self, cmd):
def pin_fixup(m):
name = m.group('name')