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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import voluptuous as vol
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import esphomeyaml.config_validation as cv
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from esphomeyaml import pins
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from esphomeyaml.components import sensor
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from esphomeyaml.const import CONF_GAIN, CONF_MAKE_ID, CONF_NAME, CONF_UPDATE_INTERVAL, CONF_CLK_PIN
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from esphomeyaml.helpers import App, Application, add, gpio_input_pin_expression, variable
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MakeHX711Sensor = Application.MakeHX711Sensor
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CONF_DOUT_PIN = 'dout_pin'
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GAINS = {
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128: sensor.sensor_ns.HX711_GAIN_128,
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32: sensor.sensor_ns.HX711_GAIN_32,
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64: sensor.sensor_ns.HX711_GAIN_64,
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}
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PLATFORM_SCHEMA = cv.nameable(sensor.SENSOR_PLATFORM_SCHEMA.extend({
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cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(MakeHX711Sensor),
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vol.Required(CONF_DOUT_PIN): pins.gpio_input_pin_schema,
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vol.Required(CONF_CLK_PIN): pins.gpio_output_pin_schema,
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vol.Optional(CONF_GAIN): vol.All(cv.int_, cv.one_of(*GAINS)),
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vol.Optional(CONF_UPDATE_INTERVAL): cv.update_interval,
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}))
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def to_code(config):
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dout_pin = None
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for dout_pin in gpio_input_pin_expression(config[CONF_DOUT_PIN]):
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yield
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sck_pin = None
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for sck_pin in gpio_input_pin_expression(config[CONF_CLK_PIN]):
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yield
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rhs = App.make_hx711_sensor(config[CONF_NAME], dout_pin, sck_pin,
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config.get(CONF_UPDATE_INTERVAL))
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make = variable(config[CONF_MAKE_ID], rhs)
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if CONF_GAIN in config:
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add(make.Phx711.set_gain(GAINS[CONF_GAIN]))
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sensor.setup_sensor(make.Phx711, make.Pmqtt, config)
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BUILD_FLAGS = '-DUSE_HX711'
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