Heartbead (muss noch angepasst werden)

platformio.ini

@@ -31,6 +31,7 @@ lib_deps =
 	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
+	miguelbalboa/MFRC522@^1.4.12
 
 [env:wemos_d1_mini32_OTA]
 board = wemos_d1_mini32
@@ -41,6 +42,7 @@ lib_deps =
 	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
+	miguelbalboa/MFRC522@^1.4.12
 upload_protocol = espota
 upload_port = 192.168.1.94
 
@@ -58,3 +60,4 @@ lib_deps =
 	lostincompilation/PrettyOTA@^1.1.3
 	esp32async/AsyncTCP@^3.4.2
 	mlesniew/PicoMQTT@^1.3.0
+	miguelbalboa/MFRC522@^1.4.12

src/communication.h

@@ -9,6 +9,18 @@
 #include "timesync.h"
 #include "buttonassigh.h"
 #include "helper.h"
+#include <debug.h>
+#include <map>
+
+struct TimestampData {
+    uint64_t lastMessageTimestamp;  // Timestamp from the device
+    uint64_t lastLocalTimestamp;    // Our local timestamp when message was received
+    uint64_t drift;                 // Calculated drift
+};
+
+// Map to store timestamp data for each MAC address
+std::map<String, TimestampData> deviceTimestamps;
+
 
 
 // Datenstruktur für ESP-NOW Nachrichten
@@ -23,6 +35,51 @@ typedef struct {
 
 PicoMQTT::Server mqtt;
 
+void processHeartbeat(const char* topic, const char* payload) {
+    String macAddress = String(topic).substring(15);
+    
+    StaticJsonDocument<200> doc;
+    DeserializationError error = deserializeJson(doc, payload);
+    
+    if (error) {
+        Serial.printf("JSON parsing failed for MAC %s: %s\n", macAddress.c_str(), error.c_str());
+        return;
+    }
+    
+    uint64_t messageTimestamp = doc["timestamp"] | 0;
+    uint64_t currentLocalTime = getCurrentTimestampMs();
+    
+    // Update timestamps for current device
+    if (deviceTimestamps.count(macAddress) > 0) {
+        TimestampData& data = deviceTimestamps[macAddress];
+        uint64_t messageDiff = messageTimestamp - data.lastMessageTimestamp;
+        uint64_t localDiff = currentLocalTime - data.lastLocalTimestamp;
+        data.drift = localDiff - messageDiff;
+    }
+    
+    // Calculate drift relative to all other devices
+    Serial.printf("\nDrift analysis for device %s:\n", macAddress.c_str());
+    Serial.println("----------------------------------------");
+    
+    for (const auto& device : deviceTimestamps) {
+        if (device.first != macAddress) {  // Skip comparing to self
+            int64_t timeDiff = messageTimestamp - device.second.lastMessageTimestamp;
+            int64_t relativeDrift = timeDiff - (currentLocalTime - device.second.lastLocalTimestamp);
+            
+            Serial.printf("Relative to %s:\n", device.first.c_str());
+            Serial.printf("  Time difference: %lld ms\n", timeDiff);
+            Serial.printf("  Relative drift: %lld ms\n", relativeDrift);
+            Serial.println("----------------------------------------");
+        }
+    }
+    
+    // Update stored timestamps for current device
+    deviceTimestamps[macAddress] = {
+        messageTimestamp,
+        currentLocalTime,
+        deviceTimestamps[macAddress].drift
+    };
+}
 
 void readButtonJSON(const char * topic, const char * payload) {
 
@@ -76,19 +133,20 @@ void readButtonJSON(const char * topic, const char * payload) {
       }
 }
 
+
 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);
+        if (strncmp(topic, "heartbeat/alive/", 15) == 0) {
+            processHeartbeat(topic, payload);
+        } else if (strcmp(topic, "aquacross/button/press") == 0) {
             readButtonJSON(topic, payload);
-          updateStatusLED(3); // Flash LED on message received
+        }
+        updateStatusLED(3);
     });
     
-        
-
-  
     // Add the button subscription
     
     // Start the MQTT server
@@ -103,7 +161,7 @@ void loopMqttServer() {
     mqtt.loop();
     
     static unsigned long lastPublish = 0;
-    if (millis() - lastPublish > 30000) {
+    if (millis() - lastPublish > 5000) {
       // Convert timestamp to string before publishing
         char timeStr[32];
         snprintf(timeStr, sizeof(timeStr), "%llu", getCurrentTimestampMs());
@@ -128,3 +186,4 @@ void sendMQTTJSONMessage(const char * topic, const JsonDocument & doc) {
     publish.send();
     Serial.printf("Published JSON message to topic '%s': %s\n", topic, jsonString.c_str());
 }
+

src/debug.h

@@ -7,11 +7,13 @@
 #include <time.h>
 #include <sys/time.h>
 
+#include "communication.h"
+
+
 
 
 void setupDebugAPI(AsyncWebServer& server);
 
-
 void setupDebugAPI(AsyncWebServer& server) {
 
 //DEBUG
@@ -36,6 +38,12 @@ server.on("/api/debug/stop2", HTTP_GET, [](AsyncWebServerRequest *request){
 });
 
 
+
 Serial.println("Debug-API initialisiert");
 }
+
+
+
+
+
 //DEBUG END

src/rfid.h

@@ -32,13 +32,6 @@ void setupRFID() {
   mfrc522.PCD_Init();
   
 
-  // Gespeicherte Daten laden
-  loadUsersFromFile();
-  
-  // Route Definitionen
-  setupRoutes(AsyncWebServer& server);
-  
-
 }
 
 

src/wificlass.h

@@ -9,6 +9,7 @@
 #include "master.h"
 #include "licenceing.h"
 
+String uniqueSSID;
 const char* ssidAP;
 const char* passwordAP = nullptr;
 
@@ -21,7 +22,8 @@ String getUniqueSSID();
 
 void setupWifi() {
 
-    ssidAP = getUniqueSSID().c_str();
+    uniqueSSID = getUniqueSSID();
+    ssidAP = uniqueSSID.c_str();
 
     WiFi.mode(WIFI_MODE_APSTA);
     WiFi.softAP(ssidAP, passwordAP);
@@ -37,6 +39,8 @@ void setupWifi() {
     Serial.println(WiFi.localIP());
 
     Serial.println("WiFi AP gestartet");
+    Serial.print("SSID: ");
+    Serial.println(WiFi.softAPSSID());
     Serial.print("IP Adresse: ");
     Serial.println(WiFi.softAPIP());
     Serial.println("PrettyOTA can be accessed at: http://" + WiFi.softAPIP().toString() + "/update");