mirror of
https://github.com/esphome/esphome.git
synced 2024-12-29 08:51:43 +01:00
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
import voluptuous as vol
|
|
|
|
from esphomeyaml.components import display, i2c
|
|
from esphomeyaml.components.display.lcd_gpio import LCDDisplay, LCDDisplayRef, \
|
|
validate_lcd_dimensions
|
|
import esphomeyaml.config_validation as cv
|
|
from esphomeyaml.const import CONF_ADDRESS, CONF_DIMENSIONS, CONF_ID, CONF_LAMBDA
|
|
from esphomeyaml.cpp_generator import Pvariable, add, process_lambda
|
|
from esphomeyaml.cpp_helpers import setup_component
|
|
from esphomeyaml.cpp_types import App, void
|
|
|
|
DEPENDENCIES = ['i2c']
|
|
|
|
PCF8574LCDDisplay = display.display_ns.class_('PCF8574LCDDisplay', LCDDisplay, i2c.I2CDevice)
|
|
|
|
PLATFORM_SCHEMA = display.BASIC_DISPLAY_PLATFORM_SCHEMA.extend({
|
|
cv.GenerateID(): cv.declare_variable_id(PCF8574LCDDisplay),
|
|
vol.Required(CONF_DIMENSIONS): validate_lcd_dimensions,
|
|
vol.Optional(CONF_ADDRESS): cv.i2c_address,
|
|
}).extend(cv.COMPONENT_SCHEMA.schema)
|
|
|
|
|
|
def to_code(config):
|
|
rhs = App.make_pcf8574_lcd_display(config[CONF_DIMENSIONS][0], config[CONF_DIMENSIONS][1])
|
|
lcd = Pvariable(config[CONF_ID], rhs)
|
|
|
|
if CONF_ADDRESS in config:
|
|
add(lcd.set_address(config[CONF_ADDRESS]))
|
|
|
|
if CONF_LAMBDA in config:
|
|
for lambda_ in process_lambda(config[CONF_LAMBDA], [(LCDDisplayRef, 'it')],
|
|
return_type=void):
|
|
yield
|
|
add(lcd.set_writer(lambda_))
|
|
|
|
display.setup_display(lcd, config)
|
|
setup_component(lcd, config)
|
|
|
|
|
|
BUILD_FLAGS = ['-DUSE_LCD_DISPLAY', '-DUSE_LCD_DISPLAY_PCF8574']
|