mirror of https://github.com/esphome/esphome.git
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import esphome.codegen as cg
|
|
import esphome.config_validation as cv
|
|
from esphome import pins
|
|
from esphome.components import sensor
|
|
from esphome.const import CONF_ATTENUATION, CONF_ID, CONF_PIN, ICON_FLASH, UNIT_VOLT
|
|
|
|
ATTENUATION_MODES = {
|
|
'0db': cg.global_ns.ADC_0db,
|
|
'2.5db': cg.global_ns.ADC_2_5db,
|
|
'6db': cg.global_ns.ADC_6db,
|
|
'11db': cg.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)
|
|
|
|
|
|
adc_ns = cg.esphome_ns.namespace('adc')
|
|
ADCSensor = adc_ns.class_('ADCSensor', sensor.PollingSensorComponent)
|
|
|
|
CONFIG_SCHEMA = sensor.sensor_schema(UNIT_VOLT, ICON_FLASH, 2).extend({
|
|
cv.GenerateID(): cv.declare_id(ADCSensor),
|
|
cv.Required(CONF_PIN): validate_adc_pin,
|
|
cv.SplitDefault(CONF_ATTENUATION, esp32='0db'):
|
|
cv.All(cv.only_on_esp32, cv.enum(ATTENUATION_MODES, lower=True)),
|
|
}).extend(cv.polling_component_schema('60s'))
|
|
|
|
|
|
def to_code(config):
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
yield cg.register_component(var, config)
|
|
yield sensor.register_sensor(var, config)
|
|
|
|
if config[CONF_PIN] == 'VCC':
|
|
cg.add_define('USE_ADC_SENSOR_VCC')
|
|
cg.add_global(cg.global_ns.ADC_MODE(cg.global_ns.ADC_VCC))
|
|
else:
|
|
cg.add(var.set_pin(config[CONF_PIN]))
|
|
|
|
if CONF_ATTENUATION in config:
|
|
cg.add(var.set_attenuation(config[CONF_ATTENUATION]))
|