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33 lines
1.1 KiB
Python
33 lines
1.1 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.const import CONF_FREQUENCY, CONF_SCL, CONF_SDA, CONF_SCAN, CONF_ID, \
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CONF_RECEIVE_TIMEOUT
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from esphomeyaml.helpers import App, add, Pvariable, esphomelib_ns
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I2CComponent = esphomelib_ns.I2CComponent
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CONFIG_SCHEMA = vol.Schema({
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cv.GenerateID(): cv.declare_variable_id(I2CComponent),
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vol.Required(CONF_SDA, default='SDA'): pins.input_output_pin,
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vol.Required(CONF_SCL, default='SCL'): pins.input_output_pin,
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vol.Optional(CONF_FREQUENCY): cv.positive_int,
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vol.Optional(CONF_RECEIVE_TIMEOUT): cv.positive_time_period_milliseconds,
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vol.Optional(CONF_SCAN): cv.boolean,
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})
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def to_code(config):
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rhs = App.init_i2c(config[CONF_SDA], config[CONF_SCL], config.get(CONF_SCAN))
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i2c = Pvariable(config[CONF_ID], rhs)
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if CONF_FREQUENCY in config:
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add(i2c.set_frequency(config[CONF_FREQUENCY]))
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if CONF_RECEIVE_TIMEOUT in config:
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add(i2c.set_receive_timeout(config[CONF_RECEIVE_TIMEOUT]))
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BUILD_FLAGS = '-DUSE_I2C'
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LIB_DEPS = 'Wire'
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