esphome/esphome/components/st7920/display.py
marsjan155 94b28102f5
Add st7920 display, (#1440)
Co-authored-by: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2021-08-26 14:33:03 +12:00

42 lines
1.2 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import display, spi
from esphome.const import CONF_ID, CONF_LAMBDA, CONF_WIDTH, CONF_HEIGHT
AUTO_LOAD = ["display"]
CODEOWNERS = ["@marsjan155"]
DEPENDENCIES = ["spi"]
st7920_ns = cg.esphome_ns.namespace("st7920")
ST7920 = st7920_ns.class_(
"ST7920", cg.PollingComponent, display.DisplayBuffer, spi.SPIDevice
)
ST7920Ref = ST7920.operator("ref")
CONFIG_SCHEMA = (
display.FULL_DISPLAY_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(ST7920),
cv.Required(CONF_WIDTH): cv.int_,
cv.Required(CONF_HEIGHT): cv.int_,
}
)
.extend(cv.polling_component_schema("60s"))
.extend(spi.spi_device_schema())
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await spi.register_spi_device(var, config)
if CONF_LAMBDA in config:
lambda_ = await cg.process_lambda(
config[CONF_LAMBDA], [(ST7920Ref, "it")], return_type=cg.void
)
cg.add(var.set_writer(lambda_))
cg.add(var.set_width(config[CONF_WIDTH]))
cg.add(var.set_height(config[CONF_HEIGHT]))
await display.register_display(var, config)