esphome/esphomeyaml/components/sensor/adc.py
2018-06-02 13:43:49 +02:00

54 lines
1.6 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_MAKE_ID, CONF_NAME, CONF_PIN, \
CONF_UPDATE_INTERVAL
from esphomeyaml.helpers import App, Application, add, global_ns, variable
ATTENUATION_MODES = {
'0db': global_ns.ADC_0db,
'2.5db': global_ns.ADC_2_5db,
'6db': global_ns.ADC_6db,
'11db': global_ns.ADC_11db,
}
def validate_adc_pin(value):
vcc = str(value).upper()
if vcc == 'VCC':
return cv.only_on_esp8266(vcc)
return pins.analog_pin(value)
PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
cv.GenerateID('adc', CONF_MAKE_ID): cv.register_variable_id,
vol.Required(CONF_PIN): validate_adc_pin,
vol.Optional(CONF_ATTENUATION): vol.All(cv.only_on_esp32, cv.one_of(*ATTENUATION_MODES)),
vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(sensor.SENSOR_SCHEMA.schema)
MakeADCSensor = Application.MakeADCSensor
def to_code(config):
pin = config[CONF_PIN]
if pin == 'VCC':
pin = 0
rhs = App.make_adc_sensor(config[CONF_NAME], pin,
config.get(CONF_UPDATE_INTERVAL))
make = variable(MakeADCSensor, config[CONF_MAKE_ID], rhs)
adc = make.Padc
if CONF_ATTENUATION in config:
add(adc.set_attenuation(ATTENUATION_MODES[config[CONF_ATTENUATION]]))
sensor.setup_sensor(make.Padc, make.Pmqtt, config)
BUILD_FLAGS = '-DUSE_ADC_SENSOR'
def required_build_flags(config):
if config[CONF_PIN] == 'VCC':
return '-DUSE_ADC_SENSOR_VCC'
return None