Add callback for raw sml messages (#5668)

esphome/components/sml/__init__.py

@@ -1,9 +1,10 @@
 import re
 
+from esphome import automation
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import uart
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_TRIGGER_ID
 
 CODEOWNERS = ["@alengwenus"]
 
@@ -16,10 +17,26 @@ MULTI_CONF = True
 CONF_SML_ID = "sml_id"
 CONF_OBIS_CODE = "obis_code"
 CONF_SERVER_ID = "server_id"
+CONF_ON_DATA = "on_data"
+
+sml_ns = cg.esphome_ns.namespace("sml")
+
+DataTrigger = sml_ns.class_(
+    "DataTrigger",
+    automation.Trigger.template(
+        cg.std_vector.template(cg.uint8).operator("ref"), cg.bool_
+    ),
+)
+
 
 CONFIG_SCHEMA = cv.Schema(
     {
         cv.GenerateID(): cv.declare_id(Sml),
+        cv.Optional(CONF_ON_DATA): automation.validate_automation(
+            {
+                cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(DataTrigger),
+            }
+        ),
     }
 ).extend(uart.UART_DEVICE_SCHEMA)
 
@@ -28,6 +45,19 @@ 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)
+    for conf in config.get(CONF_ON_DATA, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(
+            trigger,
+            [
+                (
+                    cg.std_vector.template(cg.uint8).operator("ref").operator("const"),
+                    "bytes",
+                ),
+                (cg.bool_, "valid"),
+            ],
+            conf,
+        )
 
 
 def obis_code(value):