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115 lines
3.7 KiB
Python
115 lines
3.7 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.components import display, spi
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from esphome.const import (
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CONF_BACKLIGHT_PIN,
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CONF_DC_PIN,
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CONF_HEIGHT,
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CONF_ID,
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CONF_LAMBDA,
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CONF_MODEL,
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CONF_RESET_PIN,
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CONF_WIDTH,
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)
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from . import st7789v_ns
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CONF_EIGHTBITCOLOR = "eightbitcolor"
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CONF_OFFSET_HEIGHT = "offset_height"
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CONF_OFFSET_WIDTH = "offset_width"
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CODEOWNERS = ["@kbx81"]
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DEPENDENCIES = ["spi"]
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ST7789V = st7789v_ns.class_(
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"ST7789V", cg.PollingComponent, spi.SPIDevice, display.DisplayBuffer
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)
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ST7789VRef = ST7789V.operator("ref")
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ST7789VModel = st7789v_ns.enum("ST7789VModel")
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MODELS = {
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"TTGO_TDISPLAY_135X240": ST7789VModel.ST7789V_MODEL_TTGO_TDISPLAY_135_240,
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"ADAFRUIT_FUNHOUSE_240X240": ST7789VModel.ST7789V_MODEL_ADAFRUIT_FUNHOUSE_240_240,
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"ADAFRUIT_RR_280X240": ST7789VModel.ST7789V_MODEL_ADAFRUIT_RR_280_240,
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"CUSTOM": ST7789VModel.ST7789V_MODEL_CUSTOM,
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}
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ST7789V_MODEL = cv.enum(MODELS, upper=True, space="_")
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def validate_st7789v(config):
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if config[CONF_MODEL].upper() == "CUSTOM" and (
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CONF_HEIGHT not in config
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or CONF_WIDTH not in config
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or CONF_OFFSET_HEIGHT not in config
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or CONF_OFFSET_WIDTH not in config
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):
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raise cv.Invalid(
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f'{CONF_HEIGHT}, {CONF_WIDTH}, {CONF_OFFSET_HEIGHT} and {CONF_OFFSET_WIDTH} must be specified when {CONF_MODEL} is "CUSTOM"'
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)
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if config[CONF_MODEL].upper() != "CUSTOM" and (
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CONF_HEIGHT in config
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or CONF_WIDTH in config
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or CONF_OFFSET_HEIGHT in config
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or CONF_OFFSET_WIDTH in config
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):
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raise cv.Invalid(
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f'Do not specify {CONF_HEIGHT}, {CONF_WIDTH}, {CONF_OFFSET_HEIGHT} or {CONF_OFFSET_WIDTH} when using {CONF_MODEL} that is not "CUSTOM"'
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)
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return config
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CONFIG_SCHEMA = cv.All(
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display.FULL_DISPLAY_SCHEMA.extend(
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{
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cv.GenerateID(): cv.declare_id(ST7789V),
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cv.Required(CONF_MODEL): ST7789V_MODEL,
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cv.Required(CONF_RESET_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_DC_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_BACKLIGHT_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_EIGHTBITCOLOR, default=False): cv.boolean,
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cv.Optional(CONF_HEIGHT): cv.int_,
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cv.Optional(CONF_WIDTH): cv.int_,
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cv.Optional(CONF_OFFSET_HEIGHT): cv.int_,
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cv.Optional(CONF_OFFSET_WIDTH): cv.int_,
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}
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)
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.extend(cv.polling_component_schema("5s"))
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.extend(spi.spi_device_schema(cs_pin_required=False)),
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validate_st7789v,
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await display.register_display(var, config)
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await spi.register_spi_device(var, config)
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cg.add(var.set_model(config[CONF_MODEL]))
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if config[CONF_MODEL].upper() == "CUSTOM":
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cg.add(var.set_height(config[CONF_HEIGHT]))
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cg.add(var.set_width(config[CONF_WIDTH]))
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cg.add(var.set_offset_height(config[CONF_OFFSET_HEIGHT]))
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cg.add(var.set_offset_width(config[CONF_OFFSET_WIDTH]))
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cg.add(var.set_eightbitcolor(config[CONF_EIGHTBITCOLOR]))
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dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
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cg.add(var.set_dc_pin(dc))
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reset = await cg.gpio_pin_expression(config[CONF_RESET_PIN])
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cg.add(var.set_reset_pin(reset))
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if CONF_BACKLIGHT_PIN in config:
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bl = await cg.gpio_pin_expression(config[CONF_BACKLIGHT_PIN])
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cg.add(var.set_backlight_pin(bl))
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if CONF_LAMBDA in config:
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lambda_ = await cg.process_lambda(
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config[CONF_LAMBDA], [(display.DisplayBufferRef, "it")], return_type=cg.void
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)
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cg.add(var.set_writer(lambda_))
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