mirror of https://github.com/esphome/esphome.git
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
import voluptuous as vol
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from esphomeyaml import pins
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from esphomeyaml.components import display, spi
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from esphomeyaml.components.spi import SPIComponent
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import esphomeyaml.config_validation as cv
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from esphomeyaml.const import CONF_CS_PIN, CONF_ID, CONF_INTENSITY, CONF_LAMBDA, CONF_NUM_CHIPS, \
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CONF_SPI_ID
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from esphomeyaml.cpp_generator import Pvariable, add, get_variable, process_lambda
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from esphomeyaml.cpp_helpers import gpio_output_pin_expression, setup_component
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from esphomeyaml.cpp_types import App, PollingComponent, void
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DEPENDENCIES = ['spi']
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MAX7219Component = display.display_ns.class_('MAX7219Component', PollingComponent, spi.SPIDevice)
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MAX7219ComponentRef = MAX7219Component.operator('ref')
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PLATFORM_SCHEMA = display.BASIC_DISPLAY_PLATFORM_SCHEMA.extend({
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cv.GenerateID(): cv.declare_variable_id(MAX7219Component),
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cv.GenerateID(CONF_SPI_ID): cv.use_variable_id(SPIComponent),
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vol.Required(CONF_CS_PIN): pins.gpio_output_pin_schema,
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vol.Optional(CONF_NUM_CHIPS): vol.All(cv.uint8_t, vol.Range(min=1)),
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vol.Optional(CONF_INTENSITY): vol.All(cv.uint8_t, vol.Range(min=0, max=15)),
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}).extend(cv.COMPONENT_SCHEMA.schema)
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def to_code(config):
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for spi_ in get_variable(config[CONF_SPI_ID]):
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yield
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for cs in gpio_output_pin_expression(config[CONF_CS_PIN]):
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yield
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rhs = App.make_max7219(spi_, cs)
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max7219 = Pvariable(config[CONF_ID], rhs)
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if CONF_NUM_CHIPS in config:
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add(max7219.set_num_chips(config[CONF_NUM_CHIPS]))
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if CONF_INTENSITY in config:
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add(max7219.set_intensity(config[CONF_INTENSITY]))
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if CONF_LAMBDA in config:
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for lambda_ in process_lambda(config[CONF_LAMBDA], [(MAX7219ComponentRef, 'it')],
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return_type=void):
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yield
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add(max7219.set_writer(lambda_))
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display.setup_display(max7219, config)
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setup_component(max7219, config)
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BUILD_FLAGS = '-DUSE_MAX7219'
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