mirror of
https://github.com/esphome/esphome.git
synced 2024-11-13 02:37:47 +01:00
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
import voluptuous as vol
|
|
|
|
import esphomeyaml.config_validation as cv
|
|
from esphomeyaml.components import sensor
|
|
from esphomeyaml.const import CONF_ADS1115_ID, CONF_GAIN, CONF_MULTIPLEXER, CONF_UPDATE_INTERVAL
|
|
from esphomeyaml.helpers import get_variable, RawExpression
|
|
|
|
DEPENDENCIES = ['ads1115']
|
|
|
|
MUX = {
|
|
'A0_A1': 'ADS1115_MUX_P0_N1',
|
|
'A0_A3': 'ADS1115_MUX_P0_N3',
|
|
'A1_A3': 'ADS1115_MUX_P1_N3',
|
|
'A2_A3': 'ADS1115_MUX_P2_N3',
|
|
'A0_GND': 'ADS1115_MUX_P0_NG',
|
|
'A1_GND': 'ADS1115_MUX_P1_NG',
|
|
'A2_GND': 'ADS1115_MUX_P2_NG',
|
|
'A3_GND': 'ADS1115_MUX_P3_NG',
|
|
}
|
|
|
|
GAIN = {
|
|
'6.144': 'ADS1115_PGA_6P144',
|
|
'4.096': 'ADS1115_PGA_6P096',
|
|
'2.048': 'ADS1115_PGA_2P048',
|
|
'1.024': 'ADS1115_PGA_1P024',
|
|
'0.512': 'ADS1115_PGA_0P512',
|
|
'0.256': 'ADS1115_PGA_0P256',
|
|
}
|
|
|
|
|
|
def validate_gain(value):
|
|
if isinstance(value, float):
|
|
value = u'{:0.03f}'.format(value)
|
|
elif not isinstance(value, (str, unicode)):
|
|
raise vol.Invalid('invalid gain "{}"'.format(value))
|
|
|
|
if value not in GAIN:
|
|
raise vol.Invalid("Invalid gain, options are {}".format(', '.join(GAIN.keys())))
|
|
return value
|
|
|
|
|
|
PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
|
|
vol.Required(CONF_MULTIPLEXER): vol.All(vol.Upper, vol.Any(*list(MUX.keys()))),
|
|
vol.Required(CONF_GAIN): validate_gain,
|
|
vol.Optional(CONF_ADS1115_ID): cv.variable_id,
|
|
vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_not_null_time_period,
|
|
}).extend(sensor.MQTT_SENSOR_ID_SCHEMA.schema)
|
|
|
|
|
|
def to_code(config):
|
|
hub = get_variable(config.get(CONF_ADS1115_ID), u'sensor::ADS1115Component')
|
|
|
|
mux = RawExpression(MUX[config[CONF_MULTIPLEXER]])
|
|
gain = RawExpression(GAIN[config[CONF_GAIN]])
|
|
sensor_ = hub.get_sensor(mux, gain, config.get(CONF_UPDATE_INTERVAL))
|
|
sensor.make_mqtt_sensor_for(sensor_, config)
|