Initial commit: Olimex ESP32-C6-EVB HA integration + Arduino sketch

custom_components/olimex_esp32_c6/config_flow.py

@@ -0,0 +1,112 @@
+"""Config flow for Olimex ESP32-C6-EVB integration."""
+import logging
+import voluptuous as vol
+import aiohttp
+
+from homeassistant import config_entries
+from homeassistant.const import CONF_HOST, CONF_PORT
+from homeassistant.helpers import config_validation as cv
+
+from .const import DOMAIN, DEFAULT_PORT, CONF_CALLBACK_IP, DEFAULT_CALLBACK_IP
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class OlimexESP32C6ConfigFlow(config_entries.ConfigFlow, domain="olimex_esp32_c6"):
+    """Handle a config flow for Olimex ESP32-C6-EVB."""
+
+    VERSION = 1
+
+    async def async_step_user(self, user_input=None):
+        """Handle the initial step."""
+        errors = {}
+
+        if user_input is not None:
+            host = user_input.get(CONF_HOST, "192.168.0.181")
+            port = user_input.get(CONF_PORT, DEFAULT_PORT)
+            
+            # Validate connection to the board
+            try:
+                async with aiohttp.ClientSession() as session:
+                    url = f"http://{host}:{port}/api/status"
+                    async with session.get(
+                        url, 
+                        timeout=aiohttp.ClientTimeout(total=10)
+                    ) as resp:
+                        if resp.status != 200:
+                            errors["base"] = "cannot_connect"
+                        else:
+                            await self.async_set_unique_id(f"{host}:{port}")
+                            self._abort_if_unique_id_configured()
+                            
+                            _LOGGER.info("Successfully connected to Olimex ESP32-C6 at %s", host)
+                            return self.async_create_entry(
+                                title=f"Olimex ESP32-C6 ({host})",
+                                data={
+                                    CONF_HOST: host,
+                                    CONF_PORT: port,
+                                    CONF_CALLBACK_IP: user_input.get(
+                                        CONF_CALLBACK_IP, DEFAULT_CALLBACK_IP
+                                    ),
+                                },
+                            )
+            except aiohttp.ClientError:
+                errors["base"] = "cannot_connect"
+                _LOGGER.error("Failed to connect to Olimex ESP32-C6 at %s", host)
+            except Exception as err:
+                errors["base"] = "unknown"
+                _LOGGER.error("Error in config flow: %s", err)
+
+        data_schema = vol.Schema({
+            vol.Required(CONF_HOST, default="192.168.0.181"): str,
+            vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
+            vol.Optional(CONF_CALLBACK_IP, default=DEFAULT_CALLBACK_IP): str,
+        })
+
+        return self.async_show_form(
+            step_id="user",
+            data_schema=data_schema,
+            errors=errors,
+        )
+
+    async def async_step_import(self, import_data):
+        """Handle import from YAML configuration."""
+        _LOGGER.debug("Importing Olimex ESP32-C6 from YAML: %s", import_data)
+        host = import_data.get(CONF_HOST, "192.168.0.181")
+        port = import_data.get(CONF_PORT, DEFAULT_PORT)
+
+        # Check if already configured
+        await self.async_set_unique_id(f"{host}:{port}")
+        self._abort_if_unique_id_configured()
+        
+        # Validate connection
+        try:
+            async with aiohttp.ClientSession() as session:
+                url = f"http://{host}:{port}/api/status"
+                async with session.get(
+                    url, 
+                    timeout=aiohttp.ClientTimeout(total=10)
+                ) as resp:
+                    if resp.status == 200:
+                        _LOGGER.info("Successfully imported Olimex ESP32-C6 from YAML at %s", host)
+                        return self.async_create_entry(
+                            title=f"Olimex ESP32-C6 ({host})",
+                            data={
+                                CONF_HOST: host,
+                                CONF_PORT: port,
+                                CONF_CALLBACK_IP: import_data.get(CONF_CALLBACK_IP, DEFAULT_CALLBACK_IP),
+                            },
+                        )
+        except Exception as err:
+            _LOGGER.error("Failed to import Olimex ESP32-C6 from YAML: %s", err)
+        
+        # If validation fails, still create entry but log warning
+        _LOGGER.warning("Could not validate Olimex ESP32-C6 at %s, creating entry anyway", host)
+        return self.async_create_entry(
+            title=f"Olimex ESP32-C6 ({host})",
+            data={
+                CONF_HOST: host,
+                CONF_PORT: port,
+                CONF_CALLBACK_IP: import_data.get(CONF_CALLBACK_IP, DEFAULT_CALLBACK_IP),
+            },
+        )