esphome/esphomeyaml/components/sensor/ultrasonic.py

42 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
MakeUltrasonicSensor = Application.MakeUltrasonicSensor
PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeUltrasonicSensor),
vol.Required(CONF_TRIGGER_PIN): pins.gpio_output_pin_schema,
vol.Required(CONF_ECHO_PIN): pins.internal_gpio_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,
}))
def to_code(config):
trigger = None
for trigger in gpio_output_pin_expression(config[CONF_TRIGGER_PIN]):
yield
echo = None
for echo in gpio_input_pin_expression(config[CONF_ECHO_PIN]):
yield
rhs = App.make_ultrasonic_sensor(config[CONF_NAME], trigger, echo,
config.get(CONF_UPDATE_INTERVAL))
make = variable(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'