mirror of
https://github.com/Threnklyn/esphome-dev.git
synced 2026-05-22 05:43:28 +02:00
Guillermo Ruffino
60 lines
1.7 KiB
Python
60 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.components import uart
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from esphome.const import (
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CONF_ID,
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CONF_UART_ID,
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)
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CODEOWNERS = ["@glmnet", "@zuidwijk"]
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DEPENDENCIES = ["uart"]
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AUTO_LOAD = ["sensor", "text_sensor"]
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CONF_DSMR_ID = "dsmr_id"
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CONF_DECRYPTION_KEY = "decryption_key"
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# Hack to prevent compile error due to ambiguity with lib namespace
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dsmr_ns = cg.esphome_ns.namespace("esphome::dsmr")
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Dsmr = dsmr_ns.class_("Dsmr", cg.Component, uart.UARTDevice)
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def _validate_key(value):
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value = cv.string_strict(value)
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parts = [value[i : i + 2] for i in range(0, len(value), 2)]
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if len(parts) != 16:
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raise cv.Invalid("Decryption key must consist of 16 hexadecimal numbers")
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parts_int = []
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if any(len(part) != 2 for part in parts):
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raise cv.Invalid("Decryption key must be format XX")
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for part in parts:
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try:
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parts_int.append(int(part, 16))
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except ValueError:
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# pylint: disable=raise-missing-from
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raise cv.Invalid("Decryption key must be hex values from 00 to FF")
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return "".join(f"{part:02X}" for part in parts_int)
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CONFIG_SCHEMA = 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): _validate_key,
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}
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).extend(uart.UART_DEVICE_SCHEMA)
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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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var = cg.new_Pvariable(config[CONF_ID], uart_component)
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if CONF_DECRYPTION_KEY in config:
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cg.add(var.set_decryption_key(config[CONF_DECRYPTION_KEY]))
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await cg.register_component(var, config)
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# DSMR Parser
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cg.add_library("glmnet/Dsmr", "0.3")
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# Crypto
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cg.add_library("rweather/Crypto", "0.2.0")
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