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esphome-dev/esphome/components/mcp3008/sensor.py
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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)