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42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import voluptuous as vol
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from esphomeyaml import pins
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import esphomeyaml.config_validation as cv
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from esphomeyaml.const import CONF_CLK_PIN, CONF_ID, CONF_MISO_PIN, CONF_MOSI_PIN
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from esphomeyaml.cpp_generator import Pvariable, add
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from esphomeyaml.cpp_helpers import gpio_input_pin_expression, gpio_output_pin_expression, \
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setup_component
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from esphomeyaml.cpp_types import App, Component, esphomelib_ns
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SPIComponent = esphomelib_ns.class_('SPIComponent', Component)
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SPIDevice = esphomelib_ns.class_('SPIDevice')
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SPI_SCHEMA = vol.All(vol.Schema({
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cv.GenerateID(): cv.declare_variable_id(SPIComponent),
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vol.Required(CONF_CLK_PIN): pins.gpio_output_pin_schema,
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vol.Optional(CONF_MISO_PIN): pins.gpio_input_pin_schema,
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vol.Optional(CONF_MOSI_PIN): pins.gpio_output_pin_schema,
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}), cv.has_at_least_one_key(CONF_MISO_PIN, CONF_MOSI_PIN))
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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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for clk in gpio_output_pin_expression(conf[CONF_CLK_PIN]):
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yield
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rhs = App.init_spi(clk)
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spi = Pvariable(conf[CONF_ID], rhs)
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if CONF_MISO_PIN in conf:
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for miso in gpio_input_pin_expression(conf[CONF_MISO_PIN]):
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yield
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add(spi.set_miso(miso))
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if CONF_MOSI_PIN in conf:
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for mosi in gpio_input_pin_expression(conf[CONF_MOSI_PIN]):
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yield
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add(spi.set_mosi(mosi))
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setup_component(spi, conf)
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BUILD_FLAGS = '-DUSE_SPI'
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