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73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
import esphome.codegen as cg
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from esphome.components import binary_sensor
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import esphome.config_validation as cv
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from esphome.const import CONF_UID
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from esphome.core import HexInt
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from .. import Nfcc, NfcTagListener, nfc_ns
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DEPENDENCIES = ["nfc"]
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CONF_NDEF_CONTAINS = "ndef_contains"
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CONF_NFCC_ID = "nfcc_id"
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CONF_TAG_ID = "tag_id"
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NfcTagBinarySensor = nfc_ns.class_(
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"NfcTagBinarySensor",
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binary_sensor.BinarySensor,
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cg.Component,
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NfcTagListener,
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cg.Parented.template(Nfcc),
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)
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def validate_uid(value):
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value = cv.string_strict(value)
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for x in value.split("-"):
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if len(x) != 2:
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raise cv.Invalid(
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"Each part (separated by '-') of the UID must be two characters long."
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)
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try:
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x = int(x, 16)
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except ValueError as err:
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raise cv.Invalid(
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"Valid characters for parts of a UID are 0123456789ABCDEF."
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) from err
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if x < 0 or x > 255:
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raise cv.Invalid(
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"Valid values for UID parts (separated by '-') are 00 to FF"
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)
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return value
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CONFIG_SCHEMA = cv.All(
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binary_sensor.binary_sensor_schema(NfcTagBinarySensor)
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.extend(
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{
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cv.GenerateID(CONF_NFCC_ID): cv.use_id(Nfcc),
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cv.Optional(CONF_NDEF_CONTAINS): cv.string,
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cv.Optional(CONF_TAG_ID): cv.string,
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cv.Optional(CONF_UID): validate_uid,
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}
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)
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.extend(cv.COMPONENT_SCHEMA),
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cv.has_exactly_one_key(CONF_NDEF_CONTAINS, CONF_TAG_ID, CONF_UID),
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)
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async def to_code(config):
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var = await binary_sensor.new_binary_sensor(config)
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await cg.register_component(var, config)
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await cg.register_parented(var, config[CONF_NFCC_ID])
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hub = await cg.get_variable(config[CONF_NFCC_ID])
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cg.add(hub.register_listener(var))
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if CONF_NDEF_CONTAINS in config:
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cg.add(var.set_ndef_match_string(config[CONF_NDEF_CONTAINS]))
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if CONF_TAG_ID in config:
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cg.add(var.set_tag_name(config[CONF_TAG_ID]))
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elif CONF_UID in config:
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addr = [HexInt(int(x, 16)) for x in config[CONF_UID].split("-")]
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cg.add(var.set_uid(addr))
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