mirror of
https://github.com/esphome/esphome.git
synced 2024-12-23 22:14:54 +01:00
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
import voluptuous as vol
|
|
|
|
from esphomeyaml import pins
|
|
import esphomeyaml.config_validation as cv
|
|
from esphomeyaml.const import CONF_FREQUENCY, CONF_ID, CONF_RECEIVE_TIMEOUT, CONF_SCAN, CONF_SCL, \
|
|
CONF_SDA
|
|
from esphomeyaml.cpp_generator import Pvariable, add
|
|
from esphomeyaml.cpp_helpers import setup_component
|
|
from esphomeyaml.cpp_types import App, Component, esphomelib_ns
|
|
|
|
I2CComponent = esphomelib_ns.class_('I2CComponent', Component)
|
|
I2CDevice = pins.I2CDevice
|
|
|
|
CONFIG_SCHEMA = vol.Schema({
|
|
cv.GenerateID(): cv.declare_variable_id(I2CComponent),
|
|
vol.Optional(CONF_SDA, default='SDA'): pins.input_pullup_pin,
|
|
vol.Optional(CONF_SCL, default='SCL'): pins.input_pullup_pin,
|
|
vol.Optional(CONF_FREQUENCY): vol.All(cv.frequency, vol.Range(min=0, min_included=False)),
|
|
vol.Optional(CONF_SCAN): cv.boolean,
|
|
|
|
vol.Optional(CONF_RECEIVE_TIMEOUT): cv.invalid("The receive_timeout option has been removed "
|
|
"because timeouts are already handled by the "
|
|
"low-level i2c interface.")
|
|
}).extend(cv.COMPONENT_SCHEMA.schema)
|
|
|
|
|
|
def to_code(config):
|
|
rhs = App.init_i2c(config[CONF_SDA], config[CONF_SCL], config.get(CONF_SCAN))
|
|
i2c = Pvariable(config[CONF_ID], rhs)
|
|
if CONF_FREQUENCY in config:
|
|
add(i2c.set_frequency(config[CONF_FREQUENCY]))
|
|
|
|
setup_component(i2c, config)
|
|
|
|
|
|
BUILD_FLAGS = '-DUSE_I2C'
|
|
|
|
LIB_DEPS = 'Wire'
|