first commit

src/communication.h

@@ -0,0 +1,44 @@
+#include <Arduino.h>
+#include "master.h"
+
+#include <PicoMQTT.h>
+
+#include <statusled.h>
+#include "timesync.h"
+
+
+// Datenstruktur für ESP-NOW Nachrichten
+// Datenstruktur für ESP-NOW Nachrichten
+typedef struct {
+  uint8_t messageType;
+  uint8_t buttonId;
+  int buttonPressed;
+  uint32_t timestamp;
+  char messageId[33]; // 32 hex chars + null terminator for 128-bit ID
+} ButtonMessage;
+
+PicoMQTT::Server mqtt;
+
+
+void setupMqttServer() {
+  // Set up the MQTT server with the desired port
+  // Subscribe to a topic pattern and attach a callback
+    mqtt.subscribe("#", [](const char * topic, const char * payload) {
+        Serial.printf("Received message in topic '%s': %s\n", topic, payload);
+    });
+  
+  // Start the MQTT server
+   mqtt.begin();
+}
+
+void loopMqttServer() {
+  // Handle incoming MQTT messages
+  mqtt.loop();
+  
+  // Optionally, you can publish a message periodically
+  static unsigned long lastPublish = 0;
+  if (millis() - lastPublish > 5000) { // Publish every 5 seconds
+    mqtt.publish("test/topic", "Hello from ESP32!");
+    lastPublish = millis();
+  }
+}