Files
esphome/esphome/components/pca9685/__init__.py
2025-12-23 09:21:54 -05:00

63 lines
1.8 KiB
Python

import esphome.codegen as cg
from esphome.components import i2c
import esphome.config_validation as cv
from esphome.const import (
CONF_EXTERNAL_CLOCK_INPUT,
CONF_FREQUENCY,
CONF_ID,
CONF_PHASE_BALANCER,
)
DEPENDENCIES = ["i2c"]
MULTI_CONF = True
pca9685_ns = cg.esphome_ns.namespace("pca9685")
PCA9685Output = pca9685_ns.class_("PCA9685Output", cg.Component, i2c.I2CDevice)
phase_balancer = pca9685_ns.enum("PhaseBalancer", is_class=True)
PHASE_BALANCERS = {
"none": phase_balancer.NONE,
"linear": phase_balancer.LINEAR,
}
def validate_frequency(config):
if config[CONF_EXTERNAL_CLOCK_INPUT]:
if CONF_FREQUENCY in config:
raise cv.Invalid(
"Frequency cannot be set when using an external clock input"
)
return config
if CONF_FREQUENCY not in config:
raise cv.Invalid("Frequency is required")
return config
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(): cv.declare_id(PCA9685Output),
cv.Optional(CONF_FREQUENCY): cv.All(
cv.frequency, cv.float_range(min=23.84, max=1525.88)
),
cv.Optional(CONF_EXTERNAL_CLOCK_INPUT, default=False): cv.boolean,
cv.Optional(CONF_PHASE_BALANCER, default="linear"): cv.enum(
PHASE_BALANCERS
),
}
)
.extend(cv.COMPONENT_SCHEMA)
.extend(i2c.i2c_device_schema(0x40)),
validate_frequency,
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
if CONF_FREQUENCY in config:
cg.add(var.set_frequency(config[CONF_FREQUENCY]))
cg.add(var.set_extclk(config[CONF_EXTERNAL_CLOCK_INPUT]))
cg.add(var.set_phase_balancer(config[CONF_PHASE_BALANCER]))
await cg.register_component(var, config)
await i2c.register_i2c_device(var, config)