esphome/esphomeyaml/components/display/nextion.py
2018-08-24 22:44:15 +02:00

33 lines
994 B
Python

import esphomeyaml.config_validation as cv
from esphomeyaml.components import display
from esphomeyaml.components.uart import UARTComponent
from esphomeyaml.const import CONF_ID, CONF_LAMBDA, CONF_UART_ID
from esphomeyaml.helpers import App, Pvariable, add, get_variable, process_lambda
DEPENDENCIES = ['uart']
Nextion = display.display_ns.Nextion
NextionRef = Nextion.operator('ref')
PLATFORM_SCHEMA = display.BASIC_DISPLAY_PLATFORM_SCHEMA.extend({
cv.GenerateID(): cv.declare_variable_id(Nextion),
cv.GenerateID(CONF_UART_ID): cv.use_variable_id(UARTComponent),
})
def to_code(config):
for uart in get_variable(config[CONF_UART_ID]):
yield
rhs = App.make_nextion(uart)
nextion = Pvariable(config[CONF_ID], rhs)
if CONF_LAMBDA in config:
for lambda_ in process_lambda(config[CONF_LAMBDA], [(NextionRef, 'it')]):
yield
add(nextion.set_writer(lambda_))
display.setup_display(nextion, config)
BUILD_FLAGS = '-DUSE_NEXTION'