MQTT trouble

gauge.py

@@ -530,17 +530,12 @@ _WIFI_CONNECT_ATTEMPTS = 3
 def _reset_wifi_interface():
     global _wifi_sta
     _wifi_sta = network.WLAN(network.STA_IF)
+    _wifi_sta.active(True)
     try:
         _wifi_sta.disconnect()
     except Exception:
         pass
-    try:
+    utime.sleep_ms(1000)
-        _wifi_sta.active(False)
-        utime.sleep_ms(500)
-    except Exception:
-        pass
-    _wifi_sta.active(True)
-    utime.sleep_ms(500)
 
 
 def connect_wifi(ssid, password, timeout_s=15, force_reconnect=False):
@@ -906,6 +901,11 @@ def connect_mqtt():
         except Exception as e:
             last_error = e
             log_err(f"MQTT connect attempt {attempt + 1} failed: {e}")
+            try:
+                client.sock.close()
+            except Exception:
+                pass
+            gc.collect()
             utime.sleep_ms(1000)
 
     _mqtt_connected = False
@@ -963,7 +963,7 @@ def check_mqtt():
                 keepalive=30,
             )
             client_ref.set_callback(on_message)
-            _mqtt_connect_with_timeout(client_ref)
+            client_ref.connect()
             _mqtt_connected = True
             info("MQTT reconnected!")
             schedule_discovery()
@@ -974,6 +974,11 @@ def check_mqtt():
             return True
         except Exception as e2:
             log_err(f"MQTT reconnect attempt {attempt + 1} failed: {e2}")
+            try:
+                client_ref.sock.close()
+            except Exception:
+                pass
+            gc.collect()
             utime.sleep_ms(2000)
 
     log_err("MQTT reconnection failed after 3 attempts")