esphome/esphomeyaml/components/uart.py
2019-02-11 15:50:12 +01:00

35 lines
1.1 KiB
Python

import voluptuous as vol
from esphomeyaml import pins
import esphomeyaml.config_validation as cv
from esphomeyaml.const import CONF_BAUD_RATE, CONF_ID, CONF_RX_PIN, CONF_TX_PIN
from esphomeyaml.cpp_generator import Pvariable, add
from esphomeyaml.cpp_helpers import setup_component
from esphomeyaml.cpp_types import App, Component, esphomelib_ns
UARTComponent = esphomelib_ns.class_('UARTComponent', Component)
UARTDevice = esphomelib_ns.class_('UARTDevice')
MULTI_CONF = True
CONFIG_SCHEMA = vol.All(vol.Schema({
cv.GenerateID(): cv.declare_variable_id(UARTComponent),
vol.Optional(CONF_TX_PIN): pins.output_pin,
vol.Optional(CONF_RX_PIN): pins.input_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'