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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import voluptuous as vol
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from esphome.components import switch, uart
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from esphome.components.uart import UARTComponent
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import esphome.config_validation as cv
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from esphome.const import CONF_DATA, CONF_ID, CONF_INVERTED, CONF_NAME, CONF_UART_ID
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from esphome.core import HexInt
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from esphome.cpp_generator import Pvariable, get_variable
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from esphome.cpp_types import App
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from esphome.py_compat import text_type
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DEPENDENCIES = ['uart']
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UARTSwitch = switch.switch_ns.class_('UARTSwitch', switch.Switch, uart.UARTDevice)
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def validate_data(value):
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if isinstance(value, text_type):
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return value.encode('utf-8')
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if isinstance(value, str):
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return value
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if isinstance(value, list):
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return cv.Schema([cv.hex_uint8_t])(value)
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raise vol.Invalid("data must either be a string wrapped in quotes or a list of bytes")
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PLATFORM_SCHEMA = cv.nameable(switch.SWITCH_PLATFORM_SCHEMA.extend({
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cv.GenerateID(): cv.declare_variable_id(UARTSwitch),
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cv.GenerateID(CONF_UART_ID): cv.use_variable_id(UARTComponent),
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vol.Required(CONF_DATA): validate_data,
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vol.Optional(CONF_INVERTED): cv.invalid("UART switches do not support inverted mode!"),
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}))
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def to_code(config):
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uart_ = yield get_variable(config[CONF_UART_ID])
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data = config[CONF_DATA]
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if isinstance(data, str):
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data = [HexInt(ord(x)) for x in data]
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rhs = App.make_uart_switch(uart_, config[CONF_NAME], data)
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var = Pvariable(config[CONF_ID], rhs)
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switch.setup_switch(var, config)
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BUILD_FLAGS = '-DUSE_UART_SWITCH'
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