esphome/esphomeyaml/components/sensor/adc.py

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import voluptuous as vol
import esphomeyaml.config_validation as cv
from esphomeyaml import pins
from esphomeyaml.components import sensor
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from esphomeyaml.const import CONF_ATTENUATION, CONF_MAKE_ID, CONF_NAME, CONF_PIN, \
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CONF_UPDATE_INTERVAL
from esphomeyaml.helpers import App, Application, add, global_ns, variable, setup_component
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ATTENUATION_MODES = {
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'0db': global_ns.ADC_0db,
'2.5db': global_ns.ADC_2_5db,
'6db': global_ns.ADC_6db,
'11db': global_ns.ADC_11db,
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}
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def validate_adc_pin(value):
vcc = str(value).upper()
if vcc == 'VCC':
return cv.only_on_esp8266(vcc)
return pins.analog_pin(value)
MakeADCSensor = Application.struct('MakeADCSensor')
ADCSensorComponent = sensor.sensor_ns.class_('ADCSensorComponent', sensor.PollingSensorComponent)
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PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
cv.GenerateID(): cv.declare_variable_id(ADCSensorComponent),
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cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeADCSensor),
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vol.Required(CONF_PIN): validate_adc_pin,
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vol.Optional(CONF_ATTENUATION): vol.All(cv.only_on_esp32, cv.one_of(*ATTENUATION_MODES,
lower=True)),
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vol.Optional(CONF_UPDATE_INTERVAL): cv.update_interval,
}).extend(cv.COMPONENT_SCHEMA.schema))
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def to_code(config):
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pin = config[CONF_PIN]
if pin == 'VCC':
pin = 0
rhs = App.make_adc_sensor(config[CONF_NAME], pin,
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config.get(CONF_UPDATE_INTERVAL))
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make = variable(config[CONF_MAKE_ID], rhs)
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adc = make.Padc
if CONF_ATTENUATION in config:
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add(adc.set_attenuation(ATTENUATION_MODES[config[CONF_ATTENUATION]]))
sensor.setup_sensor(adc, make.Pmqtt, config)
setup_component(adc, config)
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BUILD_FLAGS = '-DUSE_ADC_SENSOR'
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def required_build_flags(config):
if config[CONF_PIN] == 'VCC':
return '-DUSE_ADC_SENSOR_VCC'
return None
def to_hass_config(data, config):
return sensor.core_to_hass_config(data, config)