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36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
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import voluptuous as vol
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import esphomeyaml.config_validation as cv
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from esphomeyaml.components import display
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from esphomeyaml.components.display.lcd_gpio import LCDDisplayRef, validate_lcd_dimensions
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from esphomeyaml.const import CONF_ADDRESS, CONF_DIMENSIONS, CONF_ID, CONF_LAMBDA
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from esphomeyaml.helpers import App, Pvariable, add, process_lambda
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DEPENDENCIES = ['i2c']
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PCF8574LCDDisplay = display.display_ns.PCF8574LCDDisplay
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PLATFORM_SCHEMA = display.BASIC_DISPLAY_PLATFORM_SCHEMA.extend({
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cv.GenerateID(): cv.declare_variable_id(PCF8574LCDDisplay),
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vol.Required(CONF_DIMENSIONS): validate_lcd_dimensions,
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vol.Optional(CONF_ADDRESS): cv.i2c_address,
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})
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def to_code(config):
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rhs = App.make_pcf8574_lcd_display(config[CONF_DIMENSIONS][0], config[CONF_DIMENSIONS][1])
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lcd = Pvariable(config[CONF_ID], rhs)
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if CONF_ADDRESS in config:
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add(lcd.set_address(config[CONF_ADDRESS]))
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if CONF_LAMBDA in config:
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for lambda_ in process_lambda(config[CONF_LAMBDA], [(LCDDisplayRef, 'it')]):
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yield
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add(lcd.set_writer(lambda_))
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display.setup_display(lcd, config)
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BUILD_FLAGS = ['-DUSE_LCD_DISPLAY', '-DUSE_LCD_DISPLAY_PCF8574']
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