change to asyncmqttclient

software/platformio.ini

@@ -23,6 +23,5 @@ lib_deps =
 ;    FastLED
     https://github.com/samguyer/FastLED.git
 ;    AsyncMqttClient
-;    https://github.com/marvinroger/async-mqtt-client.git
-    MQTT
+    https://github.com/marvinroger/async-mqtt-client.git
 lib_ignore = ESPAsyncTCP

software/src/MyMQTT.cpp

@@ -1,55 +1,78 @@
 #include "MyMQTT.h"
 
-#include <MQTTClient.h>
+#include <AsyncMqttClient.h>
 #include "hardware.h"
 
 MyMQTT::MyMQTT(void)
   : host {mqtt_server},
     port {mqtt_port},
-    endpoint {mqtt_endpoint},
     username {mqtt_username},
     password {mqtt_password}
 {}
 
-static void onMqttMessage(String &topic, String &payload) {
-  Serial.println("incoming: " + topic + " - " + payload);
+extern "C" {
+static void onMqttMessageWrapper(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
+//  static_cast<MyMQTT*>(parm)->onMqttMessage(NULL);
+    Serial.println("test");
+    mqtt_ptr->onMqttMessage(topic, payload, properties, len, index, total);
+}
+
+static void onMqttSubscribe(uint16_t packetId, uint8_t qos) {
+    Serial.println("subscribe ack");
+}
+}
+
+void MyMQTT::onMqttConnectWrapper(bool sessionPresent) {
+//  static_cast<MyMQTT*>(parm)->onMqttConnect(NULL);
+    mqtt_ptr->onMqttConnect(sessionPresent);
+}
+
+void MyMQTT::onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
+  Serial.print("incoming: ");
+  Serial.println(topic);
+  Serial.println(payload);
+}
+
+void MyMQTT::onMqttConnect(bool sessionPresent) {
+  Serial.println("CONNECTED! callback works");
+  subscribe();
 }
 
 void MyMQTT::connect(void) {
+  mqtt_ptr = this;
   Serial.print("MQTT connecting");
 
-  mqttClient.begin(host, port, net);
-  mqttClient.onMessage(&onMqttMessage);
-  while (!mqttClient.connect(host, username, password)) {
+  mqttClient.onConnect(&onMqttConnectWrapper);
+  mqttClient.onSubscribe(&onMqttSubscribe);
+  mqttClient.onMessage(&onMqttMessageWrapper);
+
+  mqttClient.setServer(host, port);
+  mqttClient.setCredentials(username, password);
+//#if ASYNC_TCP_SSL_ENABLED
+//  mqttClient.setSecure(true);
+//#endif
+
+  mqttClient.connect();
+
+  while(!mqttClient.connected()) {
     Serial.print(".");
     delay(500);
   }
-  Serial.println("MQTT connected");
-  subscribe();
-}
 
-void MyMQTT::loop(void) {
-  auto available = (size_t)net.available();
-  if (available > 0) {
-    Serial.println("data available\n");
-  }
-  mqttClient.loop();
+  Serial.println("MQTT connected");
 
-  if(!mqttClient.connected()) {
-    Serial.println("MQTT connection lost.");
-    connect();
-  }
 }
 
 void MyMQTT::subscribe(void) {
-  mqttClient.subscribe("sensor/vendingmachine/dispense");
-//  mqttClient.subscribe("sensor/vendingmachine/light");
+  uint16_t dispenseIdSub = mqttClient.subscribe("sensor/vendingmachine/dispense", 0);
+  uint16_t dispenseIdSub2 = mqttClient.subscribe("sensor/esp100/#", 0);
+  mqttClient.publish("sensor/vendingmachine/alive", 0, true, "test");
 }
 
 void MyMQTT::publish(char* topic, char* payload) {
-  mqttClient.publish(topic, payload);
+
 }
 
 void MyMQTT::publish(char* topic, String payload) {
-  mqttClient.publish(topic, payload);
+
 }

software/src/MyMQTT.h

@@ -1,8 +1,7 @@
 #ifndef _MYMQTT_H
 #define _MYMQTT_H
 
-#include <WiFiClientSecure.h>
-#include <MQTTClient.h>
+#include <AsyncMqttClient.h>
 
 #include "config.h"
 
@@ -10,19 +9,23 @@ class MyMQTT {
   public:
     MyMQTT(void);
     void connect(void);
-    void loop(void);
     void subscribe(void);
     void publish(char* topic, char* payload);
     void publish(char* topic, String payload);
-//    static void onMqttMessage(String &topic, String &payload);
+    void onMqttConnect(bool sessionPresent);
+    void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total);
+//    static void onMqttMessageWrapper(char* topic, char* payload, AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total);
+    static void onMqttConnectWrapper(bool sessionPresent);
   private:
     const char* host;
     const uint32_t port;
     const char* endpoint;
     const char* username;
     const char* password;
-    WiFiClientSecure net;
-    MQTTClient mqttClient;
+    AsyncMqttClient mqttClient;
+//    static MyMQTT* mqtt_ptr;
 };
 
+static MyMQTT* mqtt_ptr = nullptr;
+
 #endif /* _MYMQTT_H */

software/src/hardware.h

@@ -13,11 +13,10 @@ static constexpr uint8_t NUM_LEDS = 22;
 #define LED_TYPE	TM1829
 #define COLOR_ORDER	BRG
 
-static const char* mqtt_server = "home.xd0.de";
-static constexpr uint32_t mqtt_port = 8883;
+static const char* mqtt_server = "172.16.75.18";
+static constexpr uint32_t mqtt_port = 1883;
 static constexpr bool MQTT_SECURE = true;
-static const char* mqtt_endpoint = "sensor/vendingmachine/";
-static const char* mqtt_username = "esp32";
+static const char* mqtt_username = "esp100";
 static const char* mqtt_password = "password";
 
 #endif /* _HARDWARE_H */

software/src/main.cpp

@@ -48,8 +48,6 @@ void setup()
 
 void loop()
 {
-  mqtt.loop();
-/*
   // turn the LED on (HIGH is the voltage level)
   digitalWrite(LED_BUILTIN, HIGH);
   // wait for a second
@@ -58,7 +56,7 @@ void loop()
   digitalWrite(LED_BUILTIN, LOW);
    // wait for a second
   delay(1000);
-*/
+
 delay(100);
 }