Disallow power_save_mode NONE if used together with BLE (#1950)

esphome/components/wifi/__init__.py

@@ -148,7 +148,41 @@ def final_validate(config):
         )
 
 
-FINAL_VALIDATE_SCHEMA = cv.Schema(final_validate)
+def final_validate_power_esp32_ble(value):
+    if not CORE.is_esp32:
+        return
+    if value != "NONE":
+        # WiFi should be in modem sleep (!=NONE) with BLE coexistence
+        # https://docs.espressif.com/projects/esp-idf/en/v3.3.5/api-guides/wifi.html#station-sleep
+        return
+    framework_version = fv.get_arduino_framework_version()
+    if framework_version not in (None, "dev") and framework_version < "1.0.5":
+        # Only frameworks 1.0.5+ impacted
+        return
+    full = fv.full_config.get()
+    for conflicting in [
+        "esp32_ble",
+        "esp32_ble_beacon",
+        "esp32_ble_server",
+        "esp32_ble_tracker",
+    ]:
+        if conflicting in full:
+            raise cv.Invalid(
+                f"power_save_mode NONE is incompatible with {conflicting}. "
+                f"Please remove the power save mode. See also "
+                f"https://github.com/esphome/issues/issues/2141#issuecomment-865688582"
+            )
+
+
+FINAL_VALIDATE_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.Optional(CONF_POWER_SAVE_MODE): final_validate_power_esp32_ble,
+        },
+        extra=cv.ALLOW_EXTRA,
+    ),
+    final_validate,
+)
 
 
 def _validate(config):