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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
import esphome.codegen as cg
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from esphome.components import i2c
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import esphome.config_validation as cv
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from esphome.const import CONF_EXTERNAL_CLOCK_INPUT, CONF_FREQUENCY, CONF_ID
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DEPENDENCIES = ["i2c"]
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MULTI_CONF = True
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pca9685_ns = cg.esphome_ns.namespace("pca9685")
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PCA9685Output = pca9685_ns.class_("PCA9685Output", cg.Component, i2c.I2CDevice)
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def validate_frequency(config):
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if config[CONF_EXTERNAL_CLOCK_INPUT]:
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if CONF_FREQUENCY in config:
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raise cv.Invalid(
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"Frequency cannot be set when using an external clock input"
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)
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return config
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if CONF_FREQUENCY not in config:
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raise cv.Invalid("Frequency is required")
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return config
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CONFIG_SCHEMA = cv.All(
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(PCA9685Output),
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cv.Optional(CONF_FREQUENCY): cv.All(
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cv.frequency, cv.Range(min=23.84, max=1525.88)
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),
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cv.Optional(CONF_EXTERNAL_CLOCK_INPUT, default=False): cv.boolean,
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}
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)
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.extend(cv.COMPONENT_SCHEMA)
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.extend(i2c.i2c_device_schema(0x40)),
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validate_frequency,
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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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if CONF_FREQUENCY in config:
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cg.add(var.set_frequency(config[CONF_FREQUENCY]))
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cg.add(var.set_extclk(config[CONF_EXTERNAL_CLOCK_INPUT]))
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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