mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-20 13:03:28 +02:00
Guillermo Ruffino
69879920eb
* Add black Update pre commit Update pre commit add empty line * Format with black
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
import esphome.codegen as cg
|
|
import esphome.config_validation as cv
|
|
from esphome import pins
|
|
from esphome.const import (
|
|
CONF_FREQUENCY,
|
|
CONF_ID,
|
|
CONF_SCAN,
|
|
CONF_SCL,
|
|
CONF_SDA,
|
|
CONF_ADDRESS,
|
|
CONF_I2C_ID,
|
|
)
|
|
from esphome.core import coroutine, coroutine_with_priority
|
|
|
|
CODEOWNERS = ["@esphome/core"]
|
|
i2c_ns = cg.esphome_ns.namespace("i2c")
|
|
I2CComponent = i2c_ns.class_("I2CComponent", cg.Component)
|
|
I2CDevice = i2c_ns.class_("I2CDevice")
|
|
|
|
MULTI_CONF = True
|
|
CONFIG_SCHEMA = cv.Schema(
|
|
{
|
|
cv.GenerateID(): cv.declare_id(I2CComponent),
|
|
cv.Optional(CONF_SDA, default="SDA"): pins.input_pin,
|
|
cv.Optional(CONF_SCL, default="SCL"): pins.input_pin,
|
|
cv.Optional(CONF_FREQUENCY, default="50kHz"): cv.All(
|
|
cv.frequency, cv.Range(min=0, min_included=False)
|
|
),
|
|
cv.Optional(CONF_SCAN, default=True): cv.boolean,
|
|
}
|
|
).extend(cv.COMPONENT_SCHEMA)
|
|
|
|
|
|
@coroutine_with_priority(1.0)
|
|
def to_code(config):
|
|
cg.add_global(i2c_ns.using)
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
yield cg.register_component(var, config)
|
|
|
|
cg.add(var.set_sda_pin(config[CONF_SDA]))
|
|
cg.add(var.set_scl_pin(config[CONF_SCL]))
|
|
cg.add(var.set_frequency(int(config[CONF_FREQUENCY])))
|
|
cg.add(var.set_scan(config[CONF_SCAN]))
|
|
cg.add_library("Wire", None)
|
|
|
|
|
|
def i2c_device_schema(default_address):
|
|
"""Create a schema for a i2c device.
|
|
|
|
:param default_address: The default address of the i2c device, can be None to represent
|
|
a required option.
|
|
:return: The i2c device schema, `extend` this in your config schema.
|
|
"""
|
|
schema = {
|
|
cv.GenerateID(CONF_I2C_ID): cv.use_id(I2CComponent),
|
|
}
|
|
if default_address is None:
|
|
schema[cv.Required(CONF_ADDRESS)] = cv.i2c_address
|
|
else:
|
|
schema[cv.Optional(CONF_ADDRESS, default=default_address)] = cv.i2c_address
|
|
return cv.Schema(schema)
|
|
|
|
|
|
@coroutine
|
|
def register_i2c_device(var, config):
|
|
"""Register an i2c device with the given config.
|
|
|
|
Sets the i2c bus to use and the i2c address.
|
|
|
|
This is a coroutine, you need to await it with a 'yield' expression!
|
|
"""
|
|
parent = yield cg.get_variable(config[CONF_I2C_ID])
|
|
cg.add(var.set_i2c_parent(parent))
|
|
cg.add(var.set_i2c_address(config[CONF_ADDRESS]))
|