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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
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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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from esphomeyaml.helpers import get_variable, RawExpression
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DEPENDENCIES = ['ads1115']
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MUX = {
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'A0_A1': 'ADS1115_MUX_P0_N1',
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'A0_A3': 'ADS1115_MUX_P0_N3',
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'A1_A3': 'ADS1115_MUX_P1_N3',
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'A2_A3': 'ADS1115_MUX_P2_N3',
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'A0_GND': 'ADS1115_MUX_P0_NG',
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'A1_GND': 'ADS1115_MUX_P1_NG',
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'A2_GND': 'ADS1115_MUX_P2_NG',
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'A3_GND': 'ADS1115_MUX_P3_NG',
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}
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GAIN = {
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'6.144': 'ADS1115_PGA_6P144',
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'4.096': 'ADS1115_PGA_6P096',
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'2.048': 'ADS1115_PGA_2P048',
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'1.024': 'ADS1115_PGA_1P024',
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'0.512': 'ADS1115_PGA_0P512',
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'0.256': 'ADS1115_PGA_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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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_not_null_time_period,
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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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sensor_ = hub.get_sensor(mux, gain, config.get(CONF_UPDATE_INTERVAL))
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sensor.make_mqtt_sensor_for(sensor_, config)
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