80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
import esphome.codegen as cg
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from esphome.components import light, spi
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_CHIPSET,
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CONF_NUM_LEDS,
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CONF_OUTPUT_ID,
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CONF_RGB_ORDER,
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)
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from esphome.types import ConfigType
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spi_led_strip_ns = cg.esphome_ns.namespace("spi_led_strip")
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SpiLedStrip = spi_led_strip_ns.class_(
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"SpiLedStrip", light.AddressableLight, spi.SPIDevice
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)
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SpiLedChipset = spi_led_strip_ns.enum("SpiLedChipset", is_class=True)
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RGBOrder = spi_led_strip_ns.enum("RGBOrder", is_class=True)
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CHIPSET_APA102 = "APA102"
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CHIPSET_WS2801 = "WS2801"
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CHIPSETS = {
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CHIPSET_APA102: SpiLedChipset.SPI_LED_CHIPSET_APA102,
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CHIPSET_WS2801: SpiLedChipset.SPI_LED_CHIPSET_WS2801,
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}
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RGB_ORDERS = {
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"RGB": RGBOrder.ORDER_RGB,
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"RBG": RGBOrder.ORDER_RBG,
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"GRB": RGBOrder.ORDER_GRB,
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"GBR": RGBOrder.ORDER_GBR,
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"BGR": RGBOrder.ORDER_BGR,
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"BRG": RGBOrder.ORDER_BRG,
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}
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BASE_SCHEMA = light.ADDRESSABLE_LIGHT_SCHEMA.extend(
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{
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cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(SpiLedStrip),
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cv.Optional(CONF_NUM_LEDS, default=1): cv.positive_not_null_int,
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}
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)
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def rgb_order_schema(default: str) -> cv.Schema:
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return cv.Schema(
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{
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cv.Optional(CONF_RGB_ORDER, default=default): cv.enum(
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RGB_ORDERS, upper=True
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),
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}
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)
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CONFIG_SCHEMA = cv.typed_schema(
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{
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CHIPSET_APA102: BASE_SCHEMA.extend(rgb_order_schema("BGR")).extend(
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spi.spi_device_schema(False, "1MHz")
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),
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# WS2801 latches the data when the clock stays low, so the clock must idle low
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CHIPSET_WS2801: BASE_SCHEMA.extend(rgb_order_schema("RGB")).extend(
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spi.spi_device_schema(False, "1MHz", "MODE0")
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),
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},
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key=CONF_CHIPSET,
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default_type=CHIPSET_APA102,
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enum=CHIPSETS,
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upper=True,
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)
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async def to_code(config: ConfigType) -> None:
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chipset = config[CONF_CHIPSET]
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if chipset == CHIPSET_WS2801:
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cg.add_define("USE_SPI_LED_STRIP_WS2801")
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var = cg.new_Pvariable(config[CONF_OUTPUT_ID], config[CONF_NUM_LEDS], chipset)
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cg.add(var.set_rgb_order(config[CONF_RGB_ORDER]))
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await light.register_light(var, config)
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await spi.register_spi_device(var, config)
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await cg.register_component(var, config)
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