esphome/esphomeyaml/components/sensor/ultrasonic.py
2018-05-20 12:41:52 +02:00

37 lines
1.7 KiB
Python

import voluptuous as vol
import esphomeyaml.config_validation as cv
from esphomeyaml import pins
from esphomeyaml.components import sensor
from esphomeyaml.const import CONF_ECHO_PIN, CONF_MAKE_ID, CONF_NAME, CONF_TIMEOUT_METER, \
CONF_TIMEOUT_TIME, CONF_TRIGGER_PIN, CONF_UPDATE_INTERVAL
from esphomeyaml.helpers import App, Application, add, gpio_input_pin_expression, \
gpio_output_pin_expression, variable
PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
cv.GenerateID('ultrasonic', CONF_MAKE_ID): cv.register_variable_id,
vol.Required(CONF_TRIGGER_PIN): pins.GPIO_OUTPUT_PIN_SCHEMA,
vol.Required(CONF_ECHO_PIN): pins.GPIO_INTERNAL_INPUT_PIN_SCHEMA,
vol.Exclusive(CONF_TIMEOUT_METER, 'timeout'): cv.positive_float,
vol.Exclusive(CONF_TIMEOUT_TIME, 'timeout'): cv.positive_time_period_microseconds,
vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(sensor.SENSOR_SCHEMA.schema)
MakeUltrasonicSensor = Application.MakeUltrasonicSensor
def to_code(config):
trigger = gpio_output_pin_expression(config[CONF_TRIGGER_PIN])
echo = gpio_input_pin_expression(config[CONF_ECHO_PIN])
rhs = App.make_ultrasonic_sensor(config[CONF_NAME], trigger, echo,
config.get(CONF_UPDATE_INTERVAL))
make = variable(MakeUltrasonicSensor, config[CONF_MAKE_ID], rhs)
ultrasonic = make.Pultrasonic
if CONF_TIMEOUT_TIME in config:
add(ultrasonic.set_timeout_us(config[CONF_TIMEOUT_TIME]))
elif CONF_TIMEOUT_METER in config:
add(ultrasonic.set_timeout_m(config[CONF_TIMEOUT_METER]))
sensor.setup_sensor(ultrasonic, make.Pmqtt, config)
BUILD_FLAGS = '-DUSE_ULTRASONIC_SENSOR'