mirror of
https://github.com/esphome/esphome.git
synced 2025-02-22 12:58:15 +00:00
33 lines
942 B
Python
33 lines
942 B
Python
import esphome.codegen as cg
|
|
import esphome.config_validation as cv
|
|
from esphome.components import lcd_base, i2c
|
|
from esphome.const import CONF_ID, CONF_LAMBDA
|
|
|
|
DEPENDENCIES = ["i2c"]
|
|
AUTO_LOAD = ["lcd_base"]
|
|
|
|
lcd_pcf8574_ns = cg.esphome_ns.namespace("lcd_pcf8574")
|
|
PCF8574LCDDisplay = lcd_pcf8574_ns.class_(
|
|
"PCF8574LCDDisplay", lcd_base.LCDDisplay, i2c.I2CDevice
|
|
)
|
|
|
|
CONFIG_SCHEMA = lcd_base.LCD_SCHEMA.extend(
|
|
{
|
|
cv.GenerateID(): cv.declare_id(PCF8574LCDDisplay),
|
|
}
|
|
).extend(i2c.i2c_device_schema(0x3F))
|
|
|
|
|
|
async def to_code(config):
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
await lcd_base.setup_lcd_display(var, config)
|
|
await i2c.register_i2c_device(var, config)
|
|
|
|
if CONF_LAMBDA in config:
|
|
lambda_ = await cg.process_lambda(
|
|
config[CONF_LAMBDA],
|
|
[(PCF8574LCDDisplay.operator("ref"), "it")],
|
|
return_type=cg.void,
|
|
)
|
|
cg.add(var.set_writer(lambda_))
|