1ff2f3b6a3
Co-authored-by: Thomas Rupprecht <rupprecht.thomas@gmail.com> Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
import esphome.codegen as cg
|
|
from esphome.components import uart
|
|
import esphome.config_validation as cv
|
|
from esphome.const import CONF_ID, PLATFORM_ESP32, PLATFORM_ESP8266
|
|
|
|
CODEOWNERS = ["@SimonFischer04"]
|
|
DEPENDENCIES = ["uart"]
|
|
|
|
CONF_DLMS_METER_ID = "dlms_meter_id"
|
|
CONF_DECRYPTION_KEY = "decryption_key"
|
|
CONF_PROVIDER = "provider"
|
|
|
|
PROVIDERS = {"generic": 0, "netznoe": 1}
|
|
|
|
dlms_meter_component_ns = cg.esphome_ns.namespace("dlms_meter")
|
|
DlmsMeterComponent = dlms_meter_component_ns.class_(
|
|
"DlmsMeterComponent", cg.Component, uart.UARTDevice
|
|
)
|
|
|
|
|
|
def validate_key(value):
|
|
value = cv.string_strict(value)
|
|
if len(value) != 32:
|
|
raise cv.Invalid("Decryption key must be 32 hex characters (16 bytes)")
|
|
try:
|
|
return [int(value[i : i + 2], 16) for i in range(0, 32, 2)]
|
|
except ValueError as exc:
|
|
raise cv.Invalid("Decryption key must be hex values from 00 to FF") from exc
|
|
|
|
|
|
CONFIG_SCHEMA = cv.All(
|
|
cv.Schema(
|
|
{
|
|
cv.GenerateID(): cv.declare_id(DlmsMeterComponent),
|
|
cv.Required(CONF_DECRYPTION_KEY): validate_key,
|
|
cv.Optional(CONF_PROVIDER, default="generic"): cv.enum(
|
|
PROVIDERS, lower=True
|
|
),
|
|
}
|
|
)
|
|
.extend(uart.UART_DEVICE_SCHEMA)
|
|
.extend(cv.COMPONENT_SCHEMA),
|
|
cv.only_on([PLATFORM_ESP8266, PLATFORM_ESP32]),
|
|
)
|
|
|
|
FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
|
|
"dlms_meter", baud_rate=2400, require_rx=True
|
|
)
|
|
|
|
|
|
async def to_code(config):
|
|
var = cg.new_Pvariable(config[CONF_ID])
|
|
await cg.register_component(var, config)
|
|
await uart.register_uart_device(var, config)
|
|
key = ", ".join(str(b) for b in config[CONF_DECRYPTION_KEY])
|
|
cg.add(var.set_decryption_key(cg.RawExpression(f"{{{key}}}")))
|
|
cg.add(var.set_provider(PROVIDERS[config[CONF_PROVIDER]]))
|