Got basic MQTT session working to test.mosquito.org :-)

src/Afterburner.cpp

@@ -85,7 +85,7 @@
   This example code is in the public domain.
 */
 
-//#include "src/WiFi/ABMqtt.h"
+#include "WiFi/ABMqtt.h"
 #include "cfg/BTCConfig.h"
 #include "cfg/pins.h"
 #include "RTC/Timers.h"
@@ -410,6 +410,9 @@ void setup() {
 #if USE_WEBSERVER == 1
     initWebServer();
 #endif // USE_WEBSERVER
+#if USE_MQTT == 1
+    MqttSetup();
+#endif // USE_MQTT
   }
 
 #endif // USE_WIFI
@@ -1621,6 +1624,10 @@ void doStreaming()
 #if USE_WEBSERVER == 1
   bHaveWebClient = doWebServer();
 #endif //USE_WEBSERVER
+#if USE_MQTT == 1
+  doMQTT();
+#endif
+
 
 #endif // USE_WIFI
 

src/OLED/GPIOInfoScreen.cpp

@@ -81,6 +81,9 @@ CGPIOInfoScreen::animate()
       _drawBitmap(23, 14, StartIconInfo);  
       _drawBitmap(30, 14, StopIconInfo); 
       break;
+    case CGPIOin1::Stop:      
+      _drawBitmap(23, 14, StopIconInfo); 
+      break;
   }
   _drawBitmap(40, 16, GPIOin.getState(0) ? CloseIconInfo : OpenIconInfo);
 

src/OLED/GPIOSetupScreen.cpp

@@ -216,6 +216,7 @@ CGPIOSetupScreen::animate()
             case CGPIOin1::Start:     pMsg = "                   Input 1: Starts heater upon closure.                    "; break;
             case CGPIOin1::Run:       pMsg = "                   Input 1: Starts heater when held closed, stops when opened.                    "; break;
             case CGPIOin1::StartStop: pMsg = "                   Input 1: Starts or Stops heater upon closure.                    "; break;
+            case CGPIOin1::Stop:      pMsg = "                   Input 1: Stops heater upon closure.                    "; break;
           }
           if(pMsg)
             _scrollMessage(56, pMsg, _scrollChar);

src/WiFi/ABMqtt.cpp

@@ -2,32 +2,76 @@
 // 
 // 
 
-#ifdef USEMQTT
+#include "../cfg/BTCConfig.h"
+
+#ifdef USE_MQTT
 #include <Arduino.h>
 #include "ABMqtt.h"
 #include "../../lib/PubSubClient/src/PubSubClient.h"
 #include "BTCWifi.h"
 #include "BTCWebServer.h"
+#include "../Utility/DebugPort.h"
 
+// Update these with values suitable for your network.
+byte mac[]    = {  0xDE, 0xED, 0xBA, 0xFE, 0xFE, 0xED };
+IPAddress ip(172, 16, 0, 100);
+IPAddress MQTTserver(5, 196, 95, 208);
 
 void MqttCallback(char* topic, byte* payload, unsigned int length) {
+  DebugPort.printf("MQTT callback %s ", topic);
+  for(int i=0; i<length; i++) {
+    DebugPort.printf("0x%02X ", payload[i]);
+  }
+  DebugPort.println();
+  char test[256];
+  int len = length < 256 ? length : 255;
+  strncpy(test, (char*)payload, len);
+  test[len];
+  DebugPort.println(test);
 	// handle message arrived
 }
 
+WiFiClient espClient;
+PubSubClient MQTTclient(espClient);
+
 void MqttSetup() {
-	WiFiClient espClient;
-	PubSubClient client(espClient);
-
-	long lastReconnectAttempt = 0;
-
-	boolean reconnect() {
-		if (client.connect("arduinoClient")) {
-			// Once connected, publish an announcement...
-			client.publish("outTopic", "hello world");
-			// ... and resubscribe
-			client.subscribe("inTopic");
-		}
-		return client.connected();
-	}
+  MQTTclient.setServer(MQTTserver, 1883);
+  MQTTclient.setCallback(MqttCallback);
 }
+
+bool reconnect() {
+  static unsigned long HoldOff = 0;
+
+  if(HoldOff) {
+    long tDelta = millis() - HoldOff;
+    if(tDelta > 0)
+      HoldOff = 0;
+  }
+
+  if(HoldOff == 0 && !MQTTclient.connected()) {
+    DebugPort.println("Attempting MQTT connection");
+    if (MQTTclient.connect("afterburnerClient")) {
+      DebugPort.println("MQTT connected");
+      // Once connected, publish an announcement...
+      MQTTclient.publish("Afterburner/test", "hello world");
+      // ... and resubscribe
+//      MQTTclient.subscribe("inTopic");
+//      MQTTclient.subscribe("Test/Test/Test/Test");
+      MQTTclient.subscribe("Afterburner");
+      MQTTclient.publish("Afterburner/test", "the end is nigh");
+    }
+    else {
+      DebugPort.printf("MQTT connect failed, rc = %d, try again in 5 seconds\r\n", MQTTclient.state());
+      HoldOff = millis() + 5000;
+    }
+  }
+  return MQTTclient.connected();
+}
+
+void doMQTT()
+{
+  if(reconnect())
+    MQTTclient.loop();
+}
+
 #endif

src/WiFi/ABmqtt.h

@@ -4,13 +4,14 @@
 #define _ABMQTT_h
 
 
-// #include "../../lib/PubSubClient/src/PubSubClient.h"
-// #include "BTCWifi.h""
-// #include "BTCWebServer.h"
+//#include "../../lib/PubSubClient/src/PubSubClient.h"
+#include "BTCWifi.h"
+#include "BTCWebServer.h"
 
         
 void MqttCallback(char* topic, byte* payload, unsigned int length);
 void MqttSetup();
+void doMQTT();
 
 #endif
 

src/cfg/BTCConfig.h

@@ -42,6 +42,7 @@
 #define USE_WIFI      1
 #define USE_OTA       1
 #define USE_WEBSERVER 1
+#define USE_MQTT      1
 
 #define USE_PORTAL_TRIGGER_PIN 0