added esphome component and hmi file

components/nextion_custom/__init__.py

@@ -0,0 +1,62 @@
+from esphome import automation
+import esphome.config_validation as cv
+import esphome.codegen as cg
+
+from esphome.components import uart, time, switch, sensor
+from esphome.const import (
+    CONF_ID,
+    CONF_NAME,
+    CONF_ON_CLICK,
+    CONF_TEMPERATURE,
+    CONF_THEN,
+    CONF_TIME_ID,
+    CONF_TYPE,
+    CONF_TRIGGER_ID,
+)
+
+AUTO_LOAD = ["text_sensor"]
+CODEOWNERS = ["@joBr99"]
+DEPENDENCIES = ["uart", "wifi", "esp32"]
+
+
+nextion_custom_ns = cg.esphome_ns.namespace("NextionCustom")
+NextionCustom = nextion_custom_ns.class_("NextionCustom", cg.Component, uart.UARTDevice)
+
+
+NextionCustomMsgIncomingTrigger = nextion_custom_ns.class_(
+    "NextionCustomMsgIncomingTrigger",
+    automation.Trigger.template(cg.std_string)
+)
+
+CONF_INCOMING_MSG = 'on_incoming_msg'
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(NextionCustom),
+            cv.Required(CONF_INCOMING_MSG): automation.validate_automation(
+                cv.Schema(
+                    {
+                        cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(NextionCustomMsgIncomingTrigger),
+                    }
+                )
+            ),        
+        }
+    )
+    .extend(uart.UART_DEVICE_SCHEMA)
+    .extend(cv.COMPONENT_SCHEMA),
+    cv.only_with_arduino,
+)
+
+
+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_INCOMING_MSG, []):
+        trigger = cg.new_Pvariable(conf[CONF_TRIGGER_ID], var)
+        await automation.build_automation(trigger, [(cg.std_string, "x")], conf)
+
+    cg.add_define("USE_NEXTIONCUSTOM")