mirror of https://github.com/esphome/esphome.git
38 lines
1.1 KiB
Python
38 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_CLK, CONF_ID, CONF_MISO, CONF_MOSI
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from esphomeyaml.helpers import App, Pvariable, esphomelib_ns, gpio_input_pin_expression, \
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gpio_output_pin_expression
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SPIComponent = esphomelib_ns.SPIComponent
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SPI_SCHEMA = vol.Schema({
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cv.GenerateID(): cv.declare_variable_id(SPIComponent),
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vol.Required(CONF_CLK): pins.gpio_output_pin_schema,
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vol.Required(CONF_MISO): pins.gpio_input_pin_schema,
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vol.Optional(CONF_MOSI): pins.gpio_output_pin_schema,
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})
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CONFIG_SCHEMA = vol.All(cv.ensure_list, [SPI_SCHEMA])
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def to_code(config):
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for conf in config:
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clk = None
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for clk in gpio_output_pin_expression(conf[CONF_CLK]):
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yield
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miso = None
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for miso in gpio_input_pin_expression(conf[CONF_MISO]):
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yield
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mosi = None
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if CONF_MOSI in conf:
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for mosi in gpio_output_pin_expression(conf[CONF_MOSI]):
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yield
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rhs = App.init_spi(clk, miso, mosi)
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Pvariable(conf[CONF_ID], rhs)
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BUILD_FLAGS = '-DUSE_SPI'
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