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38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import sensor
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from esphome.const import CONF_SENSOR, UNIT_OHM, ICON_FLASH, CONF_ID
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resistance_ns = cg.esphome_ns.namespace('resistance')
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ResistanceSensor = resistance_ns.class_('ResistanceSensor', cg.Component, sensor.Sensor)
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CONF_REFERENCE_VOLTAGE = 'reference_voltage'
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CONF_CONFIGURATION = 'configuration'
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CONF_RESISTOR = 'resistor'
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ResistanceConfiguration = resistance_ns.enum('ResistanceConfiguration')
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CONFIGURATIONS = {
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'DOWNSTREAM': ResistanceConfiguration.DOWNSTREAM,
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'UPSTREAM': ResistanceConfiguration.UPSTREAM,
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}
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CONFIG_SCHEMA = sensor.sensor_schema(UNIT_OHM, ICON_FLASH, 1).extend({
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cv.GenerateID(): cv.declare_id(ResistanceSensor),
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cv.Required(CONF_SENSOR): cv.use_id(sensor.Sensor),
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cv.Required(CONF_CONFIGURATION): cv.enum(CONFIGURATIONS, upper=True),
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cv.Required(CONF_RESISTOR): cv.resistance,
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cv.Optional(CONF_REFERENCE_VOLTAGE, default='3.3V'): cv.voltage,
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}).extend(cv.COMPONENT_SCHEMA)
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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yield cg.register_component(var, config)
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yield sensor.register_sensor(var, config)
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sens = yield cg.get_variable(config[CONF_SENSOR])
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cg.add(var.set_sensor(sens))
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cg.add(var.set_configuration(config[CONF_CONFIGURATION]))
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cg.add(var.set_resistor(config[CONF_RESISTOR]))
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cg.add(var.set_reference_voltage(config[CONF_REFERENCE_VOLTAGE]))
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