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50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
# this component is for the "TLC5947 24-Channel, 12-Bit PWM LED Driver" [https://www.ti.com/lit/ds/symlink/tlc5947.pdf],
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# which is used e.g. on [https://www.adafruit.com/product/1429]. The code is based on the components sm2135 and sm26716.
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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.const import (
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CONF_CLOCK_PIN,
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CONF_DATA_PIN,
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CONF_ID,
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CONF_NUM_CHIPS,
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)
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CONF_LAT_PIN = "lat_pin"
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CONF_OE_PIN = "oe_pin"
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AUTO_LOAD = ["output"]
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CODEOWNERS = ["@rnauber"]
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tlc5947_ns = cg.esphome_ns.namespace("tlc5947")
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TLC5947 = tlc5947_ns.class_("TLC5947", cg.Component)
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MULTI_CONF = True
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(TLC5947),
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cv.Required(CONF_DATA_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_CLOCK_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_LAT_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_OE_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_NUM_CHIPS, default=1): cv.int_range(min=1, max=85),
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}
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).extend(cv.COMPONENT_SCHEMA)
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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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data = await cg.gpio_pin_expression(config[CONF_DATA_PIN])
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cg.add(var.set_data_pin(data))
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clock = await cg.gpio_pin_expression(config[CONF_CLOCK_PIN])
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cg.add(var.set_clock_pin(clock))
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lat = await cg.gpio_pin_expression(config[CONF_LAT_PIN])
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cg.add(var.set_lat_pin(lat))
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if CONF_OE_PIN in config:
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outenable = await cg.gpio_pin_expression(config[CONF_OE_PIN])
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cg.add(var.set_outenable_pin(outenable))
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cg.add(var.set_num_chips(config[CONF_NUM_CHIPS]))
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