esphome/esphomeyaml/components/sensor/adc.py
2018-05-14 11:50:56 +02:00

40 lines
1.4 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_ATTENUATION, CONF_ID, CONF_NAME, CONF_PIN, \
CONF_UPDATE_INTERVAL
from esphomeyaml.helpers import App, RawExpression, add, variable
ATTENUATION_MODES = {
'0db': 'ADC_0db',
'2.5db': 'ADC_2_5db',
'6db': 'ADC_6db',
'11db': 'ADC_11db',
}
ATTENUATION_MODE_SCHEMA = vol.Any(*list(ATTENUATION_MODES.keys()))
PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
cv.GenerateID('adc'): cv.register_variable_id,
vol.Required(CONF_PIN): pins.analog_pin,
vol.Optional(CONF_ATTENUATION): vol.All(cv.only_on_esp32, ATTENUATION_MODE_SCHEMA),
vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(sensor.MQTT_SENSOR_SCHEMA.schema)
def to_code(config):
rhs = App.make_adc_sensor(config[CONF_NAME], config[CONF_PIN],
config.get(CONF_UPDATE_INTERVAL))
make = variable('Application::MakeADCSensor', config[CONF_ID], rhs)
adc = make.Padc
if CONF_ATTENUATION in config:
attenuation = ATTENUATION_MODES[config[CONF_ATTENUATION]]
add(adc.set_attenuation(RawExpression(attenuation)))
sensor.setup_sensor(adc, config)
sensor.setup_mqtt_sensor_component(make.Pmqtt, config)
BUILD_FLAGS = '-DUSE_ADC_SENSOR'