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63 lines
2.2 KiB
Python
63 lines
2.2 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.const import CONF_ADS1115_ID, CONF_GAIN, CONF_MULTIPLEXER, CONF_UPDATE_INTERVAL, \
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CONF_NAME, CONF_ID
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from esphomeyaml.helpers import RawExpression, get_variable, Pvariable
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DEPENDENCIES = ['ads1115']
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MUX = {
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'A0_A1': 'sensor::ADS1115_MULTIPLEXER_P0_N1',
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'A0_A3': 'sensor::ADS1115_MULTIPLEXER_P0_N3',
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'A1_A3': 'sensor::ADS1115_MULTIPLEXER_P1_N3',
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'A2_A3': 'sensor::ADS1115_MULTIPLEXER_P2_N3',
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'A0_GND': 'sensor::ADS1115_MULTIPLEXER_P0_NG',
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'A1_GND': 'sensor::ADS1115_MULTIPLEXER_P1_NG',
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'A2_GND': 'sensor::ADS1115_MULTIPLEXER_P2_NG',
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'A3_GND': 'sensor::ADS1115_MULTIPLEXER_P3_NG',
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}
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GAIN = {
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'6.144': 'sensor::ADS1115_GAIN_6P144',
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'4.096': 'sensor::ADS1115_GAIN_6P096',
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'2.048': 'sensor::ADS1115_GAIN_2P048',
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'1.024': 'sensor::ADS1115_GAIN_1P024',
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'0.512': 'sensor::ADS1115_GAIN_0P512',
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'0.256': 'sensor::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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if value not in GAIN:
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raise vol.Invalid("Invalid gain, options are {}".format(', '.join(GAIN.keys())))
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return value
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PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
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cv.GenerateID('ads1115_sensor'): cv.register_variable_id,
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vol.Required(CONF_MULTIPLEXER): vol.All(vol.Upper, vol.Any(*list(MUX.keys()))),
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vol.Required(CONF_GAIN): validate_gain,
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vol.Optional(CONF_ADS1115_ID): cv.variable_id,
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vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
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}).extend(sensor.MQTT_SENSOR_ID_SCHEMA.schema)
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def to_code(config):
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hub = get_variable(config.get(CONF_ADS1115_ID), u'sensor::ADS1115Component')
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mux = RawExpression(MUX[config[CONF_MULTIPLEXER]])
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gain = RawExpression(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_ = Pvariable('sensor::ADS1115Sensor', config[CONF_ID], rhs)
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sensor.register_sensor(sensor_, config)
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BUILD_FLAGS = '-DUSE_ADS1115_SENSOR'
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