mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-18 20:23:27 +02:00
Otto Winter
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.const import CONF_BAUD_RATE, CONF_ID, CONF_RX_PIN, CONF_TX_PIN, CONF_UART_ID
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from esphome.core import CORE, coroutine
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uart_ns = cg.esphome_ns.namespace('uart')
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UARTComponent = uart_ns.class_('UARTComponent', cg.Component)
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UARTDevice = uart_ns.class_('UARTDevice')
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MULTI_CONF = True
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def validate_rx_pin(value):
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value = pins.input_pin(value)
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if CORE.is_esp8266 and value >= 16:
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raise cv.Invalid("Pins GPIO16 and GPIO17 cannot be used as RX pins on ESP8266.")
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return value
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CONFIG_SCHEMA = cv.All(cv.Schema({
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cv.GenerateID(): cv.declare_id(UARTComponent),
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cv.Required(CONF_BAUD_RATE): cv.int_range(min=1, max=115200),
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cv.Optional(CONF_TX_PIN): pins.output_pin,
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cv.Optional(CONF_RX_PIN): validate_rx_pin,
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}).extend(cv.COMPONENT_SCHEMA), cv.has_at_least_one_key(CONF_TX_PIN, CONF_RX_PIN))
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def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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yield cg.register_component(var, config)
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cg.add(var.set_baud_rate(config[CONF_BAUD_RATE]))
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if CONF_TX_PIN in config:
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cg.add(var.set_tx_pin(config[CONF_TX_PIN]))
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if CONF_RX_PIN in config:
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cg.add(var.set_rx_pin(config[CONF_RX_PIN]))
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# A schema to use for all UART devices, all UART integrations must extend this!
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UART_DEVICE_SCHEMA = cv.Schema({
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cv.GenerateID(CONF_UART_ID): cv.use_id(UARTComponent),
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})
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@coroutine
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def register_uart_device(var, config):
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"""Register a UART device, setting up all the internal values.
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This is a coroutine, you need to await it with a 'yield' expression!
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"""
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parent = yield cg.get_variable(config[CONF_UART_ID])
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cg.add(var.set_uart_parent(parent))
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