Files
esphome-dev/esphome/components/pn532/binary_sensor.py
T
dependabot[bot] e7bd93b4b0 Bump pylint from 2.5.3 to 2.6.0 (#1262)
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Otto Winter <otto@otto-winter.com>
2020-09-16 12:12:40 +02:00

45 lines
1.4 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import binary_sensor
from esphome.const import CONF_UID, CONF_ID
from esphome.core import HexInt
from . import pn532_ns, PN532
DEPENDENCIES = ['pn532']
CONF_PN532_ID = 'pn532_id'
def validate_uid(value):
value = cv.string_strict(value)
for x in value.split('-'):
if len(x) != 2:
raise cv.Invalid("Each part (separated by '-') of the UID must be two characters "
"long.")
try:
x = int(x, 16)
except ValueError as err:
raise cv.Invalid("Valid characters for parts of a UID are 0123456789ABCDEF.") from err
if x < 0 or x > 255:
raise cv.Invalid("Valid values for UID parts (separated by '-') are 00 to FF")
return value
PN532BinarySensor = pn532_ns.class_('PN532BinarySensor', binary_sensor.BinarySensor)
CONFIG_SCHEMA = binary_sensor.BINARY_SENSOR_SCHEMA.extend({
cv.GenerateID(): cv.declare_id(PN532BinarySensor),
cv.GenerateID(CONF_PN532_ID): cv.use_id(PN532),
cv.Required(CONF_UID): validate_uid,
})
def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
yield binary_sensor.register_binary_sensor(var, config)
hub = yield cg.get_variable(config[CONF_PN532_ID])
cg.add(hub.register_tag(var))
addr = [HexInt(int(x, 16)) for x in config[CONF_UID].split('-')]
cg.add(var.set_uid(addr))