MQTT client (experimental)

include/mqttclient.h

@@ -6,16 +6,18 @@
 #include <ETH.h>
 #include <PubSubClient.h>
 
-#define MQTT_NAME "paxcounter"
-#define MQTT_INTOPIC "rcommand"
+#define MQTT_CLIENT "paxcounter"
+#define MQTT_INTOPIC "pax_IN"
+#define MQTT_OUTTOPIC "pax_OUT"
 #define MQTT_PORT 1883
+#define MQTT_SERVER "broker.hivemq.com"
 
 extern TaskHandle_t mqttTask;
 
 void mqtt_enqueuedata(MessageBuffer_t *message);
 void mqtt_queuereset(void);
 void mqtt_client_task(void *param);
-void mqtt_connect(IPAddress mqtt_host, uint16_t mqtt_port);
+int mqtt_connect(IPAddress mqtt_host, uint16_t mqtt_port);
 void mqtt_callback(char *topic, byte *payload, unsigned int length);
 void WiFiEvent(WiFiEvent_t event);
 esp_err_t mqtt_init(void);