From 750d35283b7d16d70e4387c2b8c0b65b5490176d Mon Sep 17 00:00:00 2001
From: Stephan Hadinger <stephan.hadinger@gmail.com>
Date: Fri, 30 Oct 2020 16:29:36 +0100
Subject: [PATCH] Don't try to connect to TLS with Tasmota-minimal

---
 tasmota/xdrv_02_mqtt.ino | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/tasmota/xdrv_02_mqtt.ino b/tasmota/xdrv_02_mqtt.ino
index 8288f8df3..9d83588a4 100644
--- a/tasmota/xdrv_02_mqtt.ino
+++ b/tasmota/xdrv_02_mqtt.ino
@@ -603,12 +603,19 @@ void MqttReconnect(void)
   UdpDisconnect();
 #endif  // USE_EMULATION
 
-  AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_ATTEMPTING_CONNECTION));
-
   Mqtt.connected = false;
   Mqtt.retry_counter = Settings.mqtt_retry;
   global_state.mqtt_down = 1;
 
+#ifdef FIRMWARE_MINIMAL
+  // Don't try to connect if MQTT requires TLS but TLS is not supported
+  if (Settings.flag4.mqtt_tls) {
+    return;
+  }
+#endif
+
+  AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_ATTEMPTING_CONNECTION));
+
   char *mqtt_user = nullptr;
   char *mqtt_pwd = nullptr;
   if (strlen(SettingsText(SET_MQTT_USER))) {