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# Support for tracking canbus node ids
#
# Copyright (C) 2021 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
NODEID_FIRST = 4
class PrinterCANBus:
def __init__(self, config):
self.printer = config.get_printer()
self.ids = {}
def add_uuid(self, config, canbus_uuid, canbus_iface):
if canbus_uuid in self.ids:
raise config.error("Duplicate canbus_uuid")
new_id = len(self.ids) + NODEID_FIRST
self.ids[canbus_uuid] = new_id
return new_id
def get_nodeid(self, canbus_uuid):
if canbus_uuid not in self.ids:
raise self.printer.config_error("Unknown canbus_uuid %s" % (canbus_uuid,))
return self.ids[canbus_uuid]
def load_config(config):
return PrinterCANBus(config)
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