mirror of
https://github.com/esphome/esphome.git
synced 2024-06-26 10:35:18 +02:00
115 lines
3.3 KiB
Python
115 lines
3.3 KiB
Python
import esphome.codegen as cg
|
|
import esphome.config_validation as cv
|
|
import esphome.final_validate as fv
|
|
from esphome.core import CORE
|
|
from esphome.components import sensor, voltage_sampler
|
|
from esphome.components.esp32 import get_esp32_variant
|
|
from esphome.const import (
|
|
CONF_ATTENUATION,
|
|
CONF_ID,
|
|
CONF_NUMBER,
|
|
CONF_PIN,
|
|
CONF_RAW,
|
|
CONF_WIFI,
|
|
DEVICE_CLASS_VOLTAGE,
|
|
STATE_CLASS_MEASUREMENT,
|
|
UNIT_VOLT,
|
|
)
|
|
from . import (
|
|
ATTENUATION_MODES,
|
|
ESP32_VARIANT_ADC1_PIN_TO_CHANNEL,
|
|
ESP32_VARIANT_ADC2_PIN_TO_CHANNEL,
|
|
validate_adc_pin,
|
|
)
|
|
|
|
AUTO_LOAD = ["voltage_sampler"]
|
|
|
|
|
|
def validate_config(config):
|
|
if config[CONF_RAW] and config.get(CONF_ATTENUATION, None) == "auto":
|
|
raise cv.Invalid("Automatic attenuation cannot be used when raw output is set")
|
|
|
|
return config
|
|
|
|
|
|
def final_validate_config(config):
|
|
if CORE.is_esp32:
|
|
variant = get_esp32_variant()
|
|
if (
|
|
CONF_WIFI in fv.full_config.get()
|
|
and config[CONF_PIN][CONF_NUMBER]
|
|
in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
|
|
):
|
|
raise cv.Invalid(
|
|
f"{variant} doesn't support ADC on this pin when Wi-Fi is configured"
|
|
)
|
|
|
|
return config
|
|
|
|
|
|
adc_ns = cg.esphome_ns.namespace("adc")
|
|
ADCSensor = adc_ns.class_(
|
|
"ADCSensor", sensor.Sensor, cg.PollingComponent, voltage_sampler.VoltageSampler
|
|
)
|
|
|
|
CONFIG_SCHEMA = cv.All(
|
|
sensor.sensor_schema(
|
|
ADCSensor,
|
|
unit_of_measurement=UNIT_VOLT,
|
|
accuracy_decimals=2,
|
|
device_class=DEVICE_CLASS_VOLTAGE,
|
|
state_class=STATE_CLASS_MEASUREMENT,
|
|
)
|
|
.extend(
|
|
{
|
|
cv.Required(CONF_PIN): validate_adc_pin,
|
|
cv.Optional(CONF_RAW, default=False): cv.boolean,
|
|
cv.SplitDefault(CONF_ATTENUATION, esp32="0db"): cv.All(
|
|
cv.only_on_esp32, cv.enum(ATTENUATION_MODES, lower=True)
|
|
),
|
|
}
|
|
)
|
|
.extend(cv.polling_component_schema("60s")),
|
|
validate_config,
|
|
)
|
|
|
|
FINAL_VALIDATE_SCHEMA = final_validate_config
|
|
|
|
|
|
async def to_code(config):
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
await cg.register_component(var, config)
|
|
await sensor.register_sensor(var, config)
|
|
|
|
if config[CONF_PIN] == "VCC":
|
|
cg.add_define("USE_ADC_SENSOR_VCC")
|
|
elif config[CONF_PIN] == "TEMPERATURE":
|
|
cg.add(var.set_is_temperature())
|
|
else:
|
|
pin = await cg.gpio_pin_expression(config[CONF_PIN])
|
|
cg.add(var.set_pin(pin))
|
|
|
|
cg.add(var.set_output_raw(config[CONF_RAW]))
|
|
|
|
if attenuation := config.get(CONF_ATTENUATION):
|
|
if attenuation == "auto":
|
|
cg.add(var.set_autorange(cg.global_ns.true))
|
|
else:
|
|
cg.add(var.set_attenuation(attenuation))
|
|
|
|
if CORE.is_esp32:
|
|
variant = get_esp32_variant()
|
|
pin_num = config[CONF_PIN][CONF_NUMBER]
|
|
if (
|
|
variant in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL
|
|
and pin_num in ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant]
|
|
):
|
|
chan = ESP32_VARIANT_ADC1_PIN_TO_CHANNEL[variant][pin_num]
|
|
cg.add(var.set_channel1(chan))
|
|
elif (
|
|
variant in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL
|
|
and pin_num in ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant]
|
|
):
|
|
chan = ESP32_VARIANT_ADC2_PIN_TO_CHANNEL[variant][pin_num]
|
|
cg.add(var.set_channel2(chan))
|