111 lines
3.5 KiB
Python
111 lines
3.5 KiB
Python
import logging
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from esphome import pins
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import esphome.codegen as cg
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from esphome.components import uart
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import esphome.config_validation as cv
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from esphome.const import (
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CONF_ID,
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CONF_RECEIVE_TIMEOUT,
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CONF_RX_BUFFER_SIZE,
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CONF_UART_ID,
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)
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import esphome.final_validate as fv
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from esphome.types import ConfigType
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_LOGGER = logging.getLogger(__name__)
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CODEOWNERS = ["@glmnet", "@PolarGoose"]
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MULTI_CONF = True
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DEPENDENCIES = ["uart"]
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AUTO_LOAD = ["sensor", "text_sensor"]
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CONF_CRC_CHECK = "crc_check"
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CONF_DECRYPTION_KEY = "decryption_key"
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CONF_DSMR_ID = "dsmr_id"
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CONF_GAS_MBUS_ID = "gas_mbus_id"
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CONF_WATER_MBUS_ID = "water_mbus_id"
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CONF_THERMAL_MBUS_ID = "thermal_mbus_id"
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CONF_MAX_TELEGRAM_LENGTH = "max_telegram_length"
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CONF_REQUEST_INTERVAL = "request_interval"
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CONF_REQUEST_PIN = "request_pin"
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dsmr_ns = cg.esphome_ns.namespace("dsmr")
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Dsmr = dsmr_ns.class_("Dsmr", cg.Component, uart.UARTDevice)
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CONFIG_SCHEMA = cv.All(
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(Dsmr),
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cv.Optional(CONF_DECRYPTION_KEY): lambda value: cv.bind_key(
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value, name="Decryption key"
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),
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cv.Optional(CONF_CRC_CHECK, default=True): cv.boolean,
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cv.Optional(CONF_GAS_MBUS_ID, default=1): cv.int_,
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cv.Optional(CONF_WATER_MBUS_ID, default=2): cv.int_,
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cv.Optional(CONF_THERMAL_MBUS_ID, default=3): cv.int_,
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cv.Optional(CONF_MAX_TELEGRAM_LENGTH, default=1500): cv.int_range(min=1),
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cv.Optional(CONF_REQUEST_PIN): pins.gpio_output_pin_schema,
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cv.Optional(
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CONF_REQUEST_INTERVAL, default="0ms"
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): cv.positive_time_period_milliseconds,
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cv.Optional(
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CONF_RECEIVE_TIMEOUT, default="200ms"
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): cv.positive_time_period_milliseconds,
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}
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)
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.extend(uart.UART_DEVICE_SCHEMA)
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.extend(cv.COMPONENT_SCHEMA),
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)
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async def to_code(config):
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uart_component = await cg.get_variable(config[CONF_UART_ID])
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if CONF_REQUEST_PIN in config:
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request_pin = await cg.gpio_pin_expression(config[CONF_REQUEST_PIN])
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else:
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request_pin = cg.nullptr
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decryption_key = config.get(CONF_DECRYPTION_KEY)
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if decryption_key is None:
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decryption_key = cg.nullptr
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var = cg.new_Pvariable(
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config[CONF_ID],
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uart_component,
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config[CONF_CRC_CHECK],
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config[CONF_MAX_TELEGRAM_LENGTH],
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config[CONF_REQUEST_INTERVAL].total_milliseconds,
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config[CONF_RECEIVE_TIMEOUT].total_milliseconds,
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request_pin,
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decryption_key,
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)
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await cg.register_component(var, config)
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cg.add_build_flag("-DDSMR_GAS_MBUS_ID=" + str(config[CONF_GAS_MBUS_ID]))
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cg.add_build_flag("-DDSMR_WATER_MBUS_ID=" + str(config[CONF_WATER_MBUS_ID]))
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cg.add_build_flag("-DDSMR_THERMAL_MBUS_ID=" + str(config[CONF_THERMAL_MBUS_ID]))
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cg.add_library("esphome/dsmr_parser", "1.4.0")
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def final_validate(config: ConfigType) -> ConfigType:
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full_config = fv.full_config.get()
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for uart_conf in full_config["uart"]:
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if uart_conf[CONF_ID] == config[CONF_UART_ID]:
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rx_buffer_size = uart_conf[CONF_RX_BUFFER_SIZE]
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if rx_buffer_size < 1500:
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_LOGGER.warning(
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"UART '%s' rx_buffer_size should be bigger than 1500 bytes to avoid packet losses (currently %d bytes).",
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config[CONF_UART_ID],
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rx_buffer_size,
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)
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break
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return config
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FINAL_VALIDATE_SCHEMA = final_validate
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