mirror of
https://github.com/esphome/esphome.git
synced 2025-02-21 04:18:16 +00:00
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
import voluptuous as vol
|
|
|
|
from esphome import pins
|
|
import esphome.config_validation as cv
|
|
from esphome.const import CONF_BAUD_RATE, CONF_ID, CONF_RX_PIN, CONF_TX_PIN
|
|
from esphome.core import CORE
|
|
from esphome.cpp_generator import Pvariable, add
|
|
from esphome.cpp_helpers import setup_component
|
|
from esphome.cpp_types import App, Component, esphome_ns
|
|
|
|
UARTComponent = esphome_ns.class_('UARTComponent', Component)
|
|
UARTDevice = esphome_ns.class_('UARTDevice')
|
|
MULTI_CONF = True
|
|
|
|
|
|
def validate_rx_pin(value):
|
|
value = pins.input_pin(value)
|
|
if CORE.is_esp8266 and value >= 16:
|
|
raise vol.Invalid("Pins GPIO16 and GPIO17 cannot be used as RX pins on ESP8266.")
|
|
return value
|
|
|
|
|
|
CONFIG_SCHEMA = vol.All(cv.Schema({
|
|
cv.GenerateID(): cv.declare_variable_id(UARTComponent),
|
|
vol.Optional(CONF_TX_PIN): pins.output_pin,
|
|
vol.Optional(CONF_RX_PIN): validate_rx_pin,
|
|
vol.Required(CONF_BAUD_RATE): cv.positive_int,
|
|
}).extend(cv.COMPONENT_SCHEMA.schema), cv.has_at_least_one_key(CONF_TX_PIN, CONF_RX_PIN))
|
|
|
|
|
|
def to_code(config):
|
|
rhs = App.init_uart(config[CONF_BAUD_RATE])
|
|
var = Pvariable(config[CONF_ID], rhs)
|
|
|
|
if CONF_TX_PIN in config:
|
|
add(var.set_tx_pin(config[CONF_TX_PIN]))
|
|
if CONF_RX_PIN in config:
|
|
add(var.set_rx_pin(config[CONF_RX_PIN]))
|
|
|
|
setup_component(var, config)
|
|
|
|
|
|
BUILD_FLAGS = '-DUSE_UART'
|