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esphome/esphome/components/mcp3008/sensor.py

30 lines
1.1 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor, voltage_sampler
from esphome.const import CONF_ID, CONF_NUMBER, CONF_NAME
from . import mcp3008_ns, MCP3008
AUTO_LOAD = ['voltage_sampler']
DEPENDENCIES = ['mcp3008']
MCP3008Sensor = mcp3008_ns.class_('MCP3008Sensor', sensor.Sensor, cg.PollingComponent,
voltage_sampler.VoltageSampler)
CONF_REFERENCE_VOLTAGE = 'reference_voltage'
CONF_MCP3008_ID = 'mcp3008_id'
CONFIG_SCHEMA = sensor.SENSOR_SCHEMA.extend({
cv.GenerateID(): cv.declare_id(MCP3008Sensor),
cv.GenerateID(CONF_MCP3008_ID): cv.use_id(MCP3008),
cv.Required(CONF_NUMBER): cv.int_,
cv.Optional(CONF_REFERENCE_VOLTAGE, default='3.3V'): cv.voltage,
}).extend(cv.polling_component_schema('1s'))
def to_code(config):
parent = yield cg.get_variable(config[CONF_MCP3008_ID])
var = cg.new_Pvariable(config[CONF_ID], parent, config[CONF_NAME],
config[CONF_NUMBER], config[CONF_REFERENCE_VOLTAGE])
yield cg.register_component(var, config)
yield sensor.register_sensor(var, config)