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135 lines
3.8 KiB
Python
135 lines
3.8 KiB
Python
from dataclasses import dataclass
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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 libretiny, light
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from esphome.const import (
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CONF_CHIPSET,
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CONF_IS_RGBW,
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CONF_MAX_REFRESH_RATE,
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CONF_NUM_LEDS,
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CONF_OUTPUT_ID,
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CONF_PIN,
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CONF_RGB_ORDER,
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)
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CODEOWNERS = ["@Mat931"]
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DEPENDENCIES = ["libretiny"]
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beken_spi_led_strip_ns = cg.esphome_ns.namespace("beken_spi_led_strip")
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BekenSPILEDStripLightOutput = beken_spi_led_strip_ns.class_(
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"BekenSPILEDStripLightOutput", light.AddressableLight
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)
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RGBOrder = beken_spi_led_strip_ns.enum("RGBOrder")
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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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@dataclass
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class LEDStripTimings:
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bit0: int
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bit1: int
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spi_frequency: int
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CHIPSETS = {
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"WS2812": LEDStripTimings(
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0b11100000, 0b11111100, 6666666
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), # Clock divider: 9, Bit time: 1350ns
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"SK6812": LEDStripTimings(
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0b11000000, 0b11111000, 7500000
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), # Clock divider: 8, Bit time: 1200ns
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"APA106": LEDStripTimings(
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0b11000000, 0b11111110, 5454545
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), # Clock divider: 11, Bit time: 1650ns
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"SM16703": LEDStripTimings(
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0b11000000, 0b11111110, 7500000
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), # Clock divider: 8, Bit time: 1200ns
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}
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CONF_IS_WRGB = "is_wrgb"
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SUPPORTED_PINS = {
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libretiny.const.FAMILY_BK7231N: [16],
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libretiny.const.FAMILY_BK7231T: [16],
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libretiny.const.FAMILY_BK7251: [16],
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}
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def _validate_pin(value):
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family = libretiny.get_libretiny_family()
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if family not in SUPPORTED_PINS:
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raise cv.Invalid(f"Chip family {family} is not supported.")
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if value not in SUPPORTED_PINS[family]:
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supported_pin_info = ", ".join(f"{x}" for x in SUPPORTED_PINS[family])
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raise cv.Invalid(
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f"Pin {value} is not supported on the {family}. Supported pins: {supported_pin_info}"
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)
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return value
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def _validate_num_leds(value):
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max_num_leds = 165 # 170
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if value[CONF_IS_RGBW] or value[CONF_IS_WRGB]:
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max_num_leds = 123 # 127
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if value[CONF_NUM_LEDS] > max_num_leds:
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raise cv.Invalid(
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f"The maximum number of LEDs for this configuration is {max_num_leds}.",
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path=CONF_NUM_LEDS,
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)
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return value
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CONFIG_SCHEMA = cv.All(
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light.ADDRESSABLE_LIGHT_SCHEMA.extend(
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{
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cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(BekenSPILEDStripLightOutput),
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cv.Required(CONF_PIN): cv.All(
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pins.internal_gpio_output_pin_number, _validate_pin
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),
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cv.Required(CONF_NUM_LEDS): cv.positive_not_null_int,
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cv.Required(CONF_RGB_ORDER): cv.enum(RGB_ORDERS, upper=True),
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cv.Optional(CONF_MAX_REFRESH_RATE): cv.positive_time_period_microseconds,
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cv.Required(CONF_CHIPSET): cv.one_of(*CHIPSETS, upper=True),
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cv.Optional(CONF_IS_RGBW, default=False): cv.boolean,
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cv.Optional(CONF_IS_WRGB, default=False): cv.boolean,
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}
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),
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_validate_num_leds,
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
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await light.register_light(var, config)
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await cg.register_component(var, config)
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cg.add(var.set_num_leds(config[CONF_NUM_LEDS]))
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cg.add(var.set_pin(config[CONF_PIN]))
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if CONF_MAX_REFRESH_RATE in config:
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cg.add(var.set_max_refresh_rate(config[CONF_MAX_REFRESH_RATE]))
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chipset = CHIPSETS[config[CONF_CHIPSET]]
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cg.add(
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var.set_led_params(
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chipset.bit0,
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chipset.bit1,
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chipset.spi_frequency,
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)
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)
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cg.add(var.set_rgb_order(config[CONF_RGB_ORDER]))
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cg.add(var.set_is_rgbw(config[CONF_IS_RGBW]))
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cg.add(var.set_is_wrgb(config[CONF_IS_WRGB]))
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