esphome/esphome/components/ili9341/display.py
Samuel Sieb dd470d4197
support rotated ILI9341 (ILI9342) (#3526)
Co-authored-by: Samuel Sieb <samuel@sieb.net>
2022-06-07 22:42:13 +12:00

97 lines
3.1 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins
from esphome.components import display, spi
from esphome.const import (
CONF_COLOR_PALETTE,
CONF_DC_PIN,
CONF_ID,
CONF_LAMBDA,
CONF_MODEL,
CONF_PAGES,
CONF_RAW_DATA_ID,
CONF_RESET_PIN,
)
from esphome.core import HexInt
DEPENDENCIES = ["spi"]
CONF_LED_PIN = "led_pin"
ili9341_ns = cg.esphome_ns.namespace("ili9341")
ili9341 = ili9341_ns.class_(
"ILI9341Display", cg.PollingComponent, spi.SPIDevice, display.DisplayBuffer
)
ILI9341M5Stack = ili9341_ns.class_("ILI9341M5Stack", ili9341)
ILI9341TFT24 = ili9341_ns.class_("ILI9341TFT24", ili9341)
ILI9341TFT24R = ili9341_ns.class_("ILI9341TFT24R", ili9341)
ILI9341Model = ili9341_ns.enum("ILI9341Model")
ILI9341ColorMode = ili9341_ns.enum("ILI9341ColorMode")
MODELS = {
"M5STACK": ILI9341Model.M5STACK,
"TFT_2.4": ILI9341Model.TFT_24,
"TFT_2.4R": ILI9341Model.TFT_24R,
}
ILI9341_MODEL = cv.enum(MODELS, upper=True, space="_")
COLOR_PALETTE = cv.one_of("NONE", "GRAYSCALE")
CONFIG_SCHEMA = cv.All(
display.FULL_DISPLAY_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(ili9341),
cv.Required(CONF_MODEL): ILI9341_MODEL,
cv.Required(CONF_DC_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_LED_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_COLOR_PALETTE, default="NONE"): COLOR_PALETTE,
cv.GenerateID(CONF_RAW_DATA_ID): cv.declare_id(cg.uint8),
}
)
.extend(cv.polling_component_schema("1s"))
.extend(spi.spi_device_schema(False)),
cv.has_at_most_one_key(CONF_PAGES, CONF_LAMBDA),
)
async def to_code(config):
if config[CONF_MODEL] == "M5STACK":
lcd_type = ILI9341M5Stack
if config[CONF_MODEL] == "TFT_2.4":
lcd_type = ILI9341TFT24
if config[CONF_MODEL] == "TFT_2.4R":
lcd_type = ILI9341TFT24R
rhs = lcd_type.new()
var = cg.Pvariable(config[CONF_ID], rhs)
await cg.register_component(var, config)
await display.register_display(var, config)
await spi.register_spi_device(var, config)
cg.add(var.set_model(config[CONF_MODEL]))
dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
cg.add(var.set_dc_pin(dc))
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_))
if CONF_RESET_PIN in config:
reset = await cg.gpio_pin_expression(config[CONF_RESET_PIN])
cg.add(var.set_reset_pin(reset))
if CONF_LED_PIN in config:
led_pin = await cg.gpio_pin_expression(config[CONF_LED_PIN])
cg.add(var.set_led_pin(led_pin))
if config[CONF_COLOR_PALETTE] == "GRAYSCALE":
cg.add(var.set_buffer_color_mode(ILI9341ColorMode.BITS_8_INDEXED))
rhs = []
for x in range(256):
rhs.extend([HexInt(x), HexInt(x), HexInt(x)])
prog_arr = cg.progmem_array(config[CONF_RAW_DATA_ID], rhs)
cg.add(var.set_palette(prog_arr))
else:
pass