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67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
import voluptuous as vol
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import esphomeyaml.config_validation as cv
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from esphomeyaml.components import sensor
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from esphomeyaml.components.ads1115 import ADS1115Component
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from esphomeyaml.const import CONF_ADS1115_ID, CONF_GAIN, CONF_MULTIPLEXER, CONF_NAME, \
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CONF_UPDATE_INTERVAL
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from esphomeyaml.helpers import get_variable
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DEPENDENCIES = ['ads1115']
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MUX = {
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'A0_A1': sensor.sensor_ns.ADS1115_MULTIPLEXER_P0_N1,
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'A0_A3': sensor.sensor_ns.ADS1115_MULTIPLEXER_P0_N3,
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'A1_A3': sensor.sensor_ns.ADS1115_MULTIPLEXER_P1_N3,
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'A2_A3': sensor.sensor_ns.ADS1115_MULTIPLEXER_P2_N3,
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'A0_GND': sensor.sensor_ns.ADS1115_MULTIPLEXER_P0_NG,
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'A1_GND': sensor.sensor_ns.ADS1115_MULTIPLEXER_P1_NG,
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'A2_GND': sensor.sensor_ns.ADS1115_MULTIPLEXER_P2_NG,
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'A3_GND': sensor.sensor_ns.ADS1115_MULTIPLEXER_P3_NG,
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}
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GAIN = {
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'6.144': sensor.sensor_ns.ADS1115_GAIN_6P144,
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'4.096': sensor.sensor_ns.ADS1115_GAIN_6P096,
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'2.048': sensor.sensor_ns.ADS1115_GAIN_2P048,
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'1.024': sensor.sensor_ns.ADS1115_GAIN_1P024,
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'0.512': sensor.sensor_ns.ADS1115_GAIN_0P512,
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'0.256': sensor.sensor_ns.ADS1115_GAIN_0P256,
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}
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def validate_gain(value):
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if isinstance(value, float):
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value = u'{:0.03f}'.format(value)
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elif not isinstance(value, (str, unicode)):
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raise vol.Invalid('invalid gain "{}"'.format(value))
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return cv.one_of(*GAIN)(value)
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def validate_mux(value):
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value = cv.string(value).upper()
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value = value.replace(' ', '_')
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return cv.one_of(*MUX)(value)
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PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
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vol.Required(CONF_MULTIPLEXER): validate_mux,
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vol.Required(CONF_GAIN): validate_gain,
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cv.GenerateID(CONF_ADS1115_ID): cv.use_variable_id(ADS1115Component),
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vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
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}))
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def to_code(config):
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hub = None
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for hub in get_variable(config[CONF_ADS1115_ID]):
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yield
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mux = MUX[config[CONF_MULTIPLEXER]]
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gain = GAIN[config[CONF_GAIN]]
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rhs = hub.get_sensor(config[CONF_NAME], mux, gain, config.get(CONF_UPDATE_INTERVAL))
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sensor.register_sensor(rhs, config)
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BUILD_FLAGS = '-DUSE_ADS1115_SENSOR'
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