Files
esphome-ikea-led-matrix/components/frekvens_panel/display.py
2021-09-12 12:23:26 +02:00

55 lines
1.4 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import display
from esphome.const import (
CONF_ID,
CONF_LAMBDA,
CONF_PAGES,
CONF_CONTRAST,
)
DEPENDENCIES = []
CONF_LATCH_PIN = 'latch_pin'
CONF_CLOCK_PIN = 'clock_pin'
CONF_DATA_PIN = 'data_pin'
frekvenspanel_ns = cg.esphome_ns.namespace("frekvenspanel")
Panel = frekvenspanel_ns.class_(
"Panel", cg.PollingComponent, display.DisplayBuffer
)
CONFIG_SCHEMA = cv.All(
display.FULL_DISPLAY_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(Panel),
cv.Required(CONF_LATCH_PIN): cv.int_,
cv.Required(CONF_CLOCK_PIN): cv.int_,
cv.Required(CONF_DATA_PIN): cv.int_,
cv.Optional(CONF_CONTRAST, default=0x7F): cv.int_,
}
)
.extend(cv.polling_component_schema("1s")),
cv.has_at_most_one_key(CONF_PAGES, CONF_LAMBDA),
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await display.register_display(var, config)
cg.add(var.set_pins(
config[CONF_LATCH_PIN],
config[CONF_CLOCK_PIN],
config[CONF_DATA_PIN],
))
if CONF_LAMBDA in config:
lambda_ = await cg.process_lambda(
config[CONF_LAMBDA], [(display.DisplayBufferRef, "it")], return_type=cg.void
)
cg.add(var.set_writer(lambda_))