Added basic Logger with 4 modes.

vesper/MQTT_Message_Handling.hpp

@@ -26,25 +26,20 @@ void SuscribeMqtt() {
 		String topicRelayTimers = String("vesper/") + DEV_ID + "/control/settings/relayTimers";
 
     uint16_t control_id = mqttClient.subscribe(topicPlayback.c_str(), 2);
-    Serial.print("Subscribing to Playback Control topic, QoS 2, packetId: ");
+    LOG_INFO("Subscribing to Playback Control topic, QoS 2, packetId: %d", control_id);
-    Serial.println(control_id);
 
 		uint16_t set_melody_id = mqttClient.subscribe(topicSetMelody.c_str(), 2);
-    Serial.print("Subscribing to Set-Melody topic, QoS 2, packetId: ");
+    LOG_INFO("Subscribing to Set-Melody topic, QoS 2, packetId: %d", set_melody_id);
-    Serial.println(set_melody_id);
 
-	// doesn't work yet:
+		// doesn't work yet:
     uint16_t add_melody_id = mqttClient.subscribe(topicAddMelody.c_str(), 2);
-    Serial.print("Subscribing to Add-Melody topic, QoS 2, packetId: ");
+    LOG_INFO("Subscribing to Add-Melody topic, QoS 2, packetId: %d", add_melody_id);
-    Serial.println(add_melody_id);
 
 		uint16_t add_schedule_id = mqttClient.subscribe(topicAddSchedule.c_str(), 2);
-		Serial.print("Subscribing to Add-Schedule topic, QoS 2, packetId: ");
+		LOG_INFO("Subscribing to Add-Schedule topic, QoS 2, packetId: %d", add_schedule_id);
-		Serial.println(add_schedule_id);
 
 		uint16_t relay_timers_id = mqttClient.subscribe(topicRelayTimers.c_str(), 2);
-		Serial.print("Subscribing to Relay-Timers topic, QoS 2, packetId: ");
+		LOG_INFO("Subscribing to Relay-Timers topic, QoS 2, packetId: %d", relay_timers_id);
-		Serial.println(relay_timers_id);
 
 }
 
@@ -72,7 +67,7 @@ void OnMqttReceived(char * topic, char * payload, AsyncMqttClientMessageProperti
 
 	else if (String(topic) == topicAddMelody) {
 		// Handle adding melody
-		Serial.println("Adding melody...");
+		LOG_INFO("Adding melody...");
 		// You can call a function here to handle adding the melody
 	}
 
@@ -86,7 +81,7 @@ void OnMqttReceived(char * topic, char * payload, AsyncMqttClientMessageProperti
 
 	else {
 		// Handle unknown topics
-		Serial.println("Unknown topic received.");
+		LOG_WARNING("Unknown topic received.");
 	}
 }
 

vesper/MQTT_WiFi_Utilities.hpp

@@ -14,21 +14,20 @@ String GetPayloadContent(char * data, size_t len) {
 
 void ConnectToMqtt()
 {
-	Serial.println("Connecting to MQTT...");
+	LOG_INFO("Connecting to MQTT...");
 	mqttClient.connect();
 }
 
 void OnMqttConnect(bool sessionPresent)
 {
-	Serial.println("Connected to MQTT.");
+	LOG_INFO("Connected to MQTT.");
-	Serial.print("Session present: ");
+	//LOG_INFO("Session present: %s", sessionPresent ? "Yes":"No");
-	Serial.println(sessionPresent);
 	SuscribeMqtt();
 }
 
 void OnMqttDisconnect(AsyncMqttClientDisconnectReason reason)
 {
-	Serial.println("Disconnected from MQTT.");
+	LOG_WARNING("Disconnected from MQTT.");
 
 	if(WiFi.isConnected())
 	{
@@ -38,25 +37,17 @@ void OnMqttDisconnect(AsyncMqttClientDisconnectReason reason)
 
 void OnMqttSubscribe(uint16_t packetId, uint8_t qos)
 {
-	Serial.println("Subscribe acknowledged.");
+	LOG_INFO("Subscribe acknowledged. PacketID: %d / QoS: %d", packetId, qos);
-	Serial.print("  packetId: ");
-	Serial.println(packetId);
-	Serial.print("  qos: ");
-	Serial.println(qos);
 }
 
 void OnMqttUnsubscribe(uint16_t packetId)
 {
-	Serial.println("Unsubscribe acknowledged.");
+	LOG_INFO("Unsubscribe Acknowledged. PacketID: %d",packetId);
-	Serial.print("  packetId: ");
-	Serial.println(packetId);
 }
 
 void OnMqttPublish(uint16_t packetId)
 {
-	Serial.println("Publish acknowledged.");
+	LOG_INFO("Publish Acknowledged. PacketID: %d", packetId);
-	Serial.print("  packetId: ");
-	Serial.println(packetId);
 }
 
 void ConnectWiFi_STA(bool useStaticIP = false)
@@ -74,11 +65,13 @@ void ConnectWiFi_STA(bool useStaticIP = false)
     Serial.print('.');
   }
 
-  Serial.println("");
+	if (LOG_LEVEL_ENABLED(LOG_LEVEL_INFO)){
-  Serial.print("Iniciado STA:\t");
+	  Serial.println("");
-  Serial.println(ssid);
+	  Serial.print("Initiating STA:\t");
-  Serial.print("IP address:\t");
+	  Serial.println(ssid);
-  Serial.println(WiFi.localIP());
+	  Serial.print("IP address:\t");
+	  Serial.println(WiFi.localIP());
+	}
 }
 
 void ConnectWiFi_AP(bool useStaticIP = false)
@@ -93,26 +86,27 @@ void ConnectWiFi_AP(bool useStaticIP = false)
 
   if(useStaticIP) WiFi.softAPConfig(ip, gateway, subnet);
 
-  Serial.println("");
+	if (LOG_LEVEL_ENABLED(LOG_LEVEL_INFO)){
-  Serial.print("Iniciado AP:\t");
+	  Serial.println("");
-  Serial.println(ssid);
+	  Serial.print("Iniciado AP:\t");
-  Serial.print("IP address:\t");
+	  Serial.println(ssid);
-  Serial.println(WiFi.softAPIP());
+	  Serial.print("IP address:\t");
+	  Serial.println(WiFi.softAPIP());
+	}
 }
 
 void WiFiEvent(WiFiEvent_t event)
 {
-	Serial.printf("[WiFi-event] event: %d\n", event);
+	LOG_INFO("[WiFi-event] event: %d\n", event);
 	switch(event)
 	{
 	case ARDUINO_EVENT_WIFI_STA_GOT_IP:
-		Serial.println("WiFi connected");
+		Serial.print("[INFO] - WiFi connected. IP Address: ");
-		Serial.println("IP address: ");
 		Serial.println(WiFi.localIP());
 		ConnectToMqtt();
 		break;
 	case ARDUINO_EVENT_WIFI_STA_DISCONNECTED:
-		Serial.println("WiFi lost connection");
+		LOG_WARNING("WiFi Lost Connection! :()");
 		xTimerStop(mqttReconnectTimer, 0); // ensure we don't reconnect to MQTT while reconnecting to Wi-Fi
 		xTimerStart(wifiReconnectTimer, 0);
 		break;

vesper/PlaybackControls.hpp

@@ -35,7 +35,7 @@ bool timeToStop(unsigned long now) {
     if (player.isPlaying) {
         uint64_t stopTime = player.startTime + player.duration;
         if (now >= stopTime) {
-            Serial.println("TIMER: Total Duration Reached");
+            LOG_DEBUG("TIMER: Total Duration Reached");
             return true;
         }
     }
@@ -46,10 +46,9 @@ bool timeToStop(unsigned long now) {
 bool timeToPause(unsigned long now) {
     if (player.isPlaying && player.loop_duration > 0) {
         uint64_t pauseTimeLimit = player.loopStartTime + player.loop_duration;
-        Serial.printf("PTL: %lu // NOW: ",pauseTimeLimit);
+        LOG_DEBUG("PTL: %lu // NOW: %d",pauseTimeLimit, now);
-        Serial.println(now);
         if (now >= pauseTimeLimit && !player.isPaused) {
-            Serial.println("TIMER: Segment Duration Reached");
+            LOG_DEBUG("TIMER: Segment Duration Reached");
             player.pauseTime = now;
             return true;
         }
@@ -62,7 +61,7 @@ bool timeToResume(unsigned long now) {
     if (player.isPaused) {
         uint64_t resumeTime = player.pauseTime + player.interval;
         if (now >= resumeTime) {
-            Serial.println("TIMER: Pause Duration Reached");
+            LOG_DEBUG("TIMER: Pause Duration Reached");
             return true;
         }
     }

vesper/bellEngine.hpp

@@ -67,7 +67,7 @@ void loop_playback(std::vector<uint16_t> &melody_steps) {
 			vTaskDelay(pdMS_TO_TICKS(tempo));
 		}
 
-		Serial.println("SINGLE LOOP OVER.");
+		LOG_DEBUG("Single Loop Over.");
     //if (!player.isPlaying) break;                  // Stop playback only after completing the loop
 	}
 }

vesper/classes.hpp

@@ -24,36 +24,35 @@ public:
 		isPlaying = true;
 		hardStop = false;
 		startTime = loopStartTime = millis();
-		Serial.println("Plbck: PLAY");
+		LOG_DEBUG("Plbck: PLAY");
 	}
 
 	void forceStop() {
 		hardStop = true;
 		isPlaying = false;
-		Serial.println("Plbck: FORCE STOP");
+		LOG_DEBUG("Plbck: FORCE STOP");
 	}
 
 	void stop() {
 		hardStop = false;
 		isPlaying = false;
-		Serial.println("Plbck: STOP");
+		LOG_DEBUG("Plbck: STOP");
 	}
 
 	void pause() {
 		isPaused = true;
-		Serial.println("Plbck: PAUSE");
+		LOG_DEBUG("Plbck: PAUSE");
 	}
 
 	void unpause() {
 		isPaused = false;
 		loopStartTime = millis();
-		Serial.println("Plbck: RESUME");
+		LOG_DEBUG("Plbck: RESUME");
 	}
 
   // Handles Incoming Commands to PLAY or STOP
   void command(char * command){
-    Serial.print("INCOMING COMMAND: ");
+    LOG_DEBUG("Incoming Command: %s",command);
-    Serial.println(command);
     if (command[0] == '1') {
       play();
       PublishMqtt("OK - PLAY");
@@ -88,7 +87,7 @@ public:
   			loop_duration = doc["loop_dur"].as<uint32_t>();
   	}
   	// Print Just for Debugging Purposes
-  	Serial.printf("Name: %s, ID: %d, Total Duration: %lu, Loop Duration: %lu, Interval:  %d, Speed: %d, Inf: %s\n",
+  	LOG_DEBUG("Name: %s, ID: %d, Total Duration: %lu, Loop Duration: %lu, Interval:  %d, Speed: %d, Inf: %s\n",
   		name.c_str(),
   		id,
   		duration,
@@ -102,13 +101,12 @@ public:
 	// Loads the Selected melody from a .bin file, into RAM
 	void loadMelodyInRAM(std::vector<uint16_t> &melody_steps) {
 
+		LOG_INFO("Loading Melody.");
 		std::string filePath = "/" + name + ".bin";
-		Serial.println("New Melody Selected !!!");
-		Serial.println("Reading data from file...");
 
 		File bin_file = SPIFFS.open(filePath.c_str(), "r");
 		if (!bin_file) {
-			Serial.println("Failed to Open File");
+			LOG_ERROR("Failed to Open File");
 			return;
 		}
 
@@ -116,22 +114,14 @@ public:
 		size_t steps = fileSize / 2;
 		melody_steps.resize(steps);
 
-		Serial.print("Opened File ! Size: ");
+		LOG_DEBUG("Opened File, size: %zu - Steps: %zu",fileSize,steps)
-		Serial.print(fileSize);
-		Serial.print(" Steps: ");
-		Serial.println(steps);
 
 		for (size_t i=0; i<steps; i++){
 			melody_steps[i] = bin_file.read() << 8 | bin_file.read();
+			LOG_DEBUG("Current Step: %03d  // HEX Value: 0x%04X", i, melody_steps[i]);
 		}
 
-		for (size_t i=0; i<steps; i++){
+		LOG_DEBUG("Closing File");
-			Serial.print("Current Step: ");
-			Serial.printf("%03d  // ", i);
-			Serial.print("  HEX Value: ");
-			Serial.printf("0x%04X\n", melody_steps[i]);
-		}
-		Serial.println("Closing File");
 		bin_file.close();
 
 		// closing the file
@@ -173,32 +163,34 @@ private:
     std::string filePath = "/" + getMonth() + ".json";
     File file = SPIFFS.open(filePath.c_str(), "r");
     if (!file) {
-        Serial.printf("Failed to open file: %s\n", filePath.c_str());
+        LOG_ERROR("Failed to open file: %s\n", filePath.c_str());
         return;
     }
 
-    Serial.println("Opened daily schedule file");
+    LOG_INFO("Opened daily schedule file");
     StaticJsonDocument<8192> doc; // Adjust size based on expected JSON complexity
     DeserializationError error = deserializeJson(doc, file);
     file.close();
 
     if (error) {
-        Serial.printf("Failed to parse JSON: %s\n", error.c_str());
+        LOG_ERROR("Failed to parse JSON: %s\n", error.c_str());
         return;
     }
 
-    Serial.println("- - - SERIALIZE JSON - - -");
+		if (LOG_LEVEL_ENABLED(LOG_LEVEL_DEBUG)){
-    serializeJsonPretty(doc, Serial);
+			String jsonString;
-    Serial.println("- - - -  END JSON  - - - -");
+    	serializeJsonPretty(doc, jsonString);
+			LOG_DEBUG("Serialized JSON: /n%s",jsonString.c_str());
+		}
 
     // Extract entries for the current day
     std::string currentDay = getDay();
     dailySchedule.clear(); // Clear previous day's schedule
 
-    Serial.printf("Current Day: %s\n", currentDay.c_str());
+    LOG_DEBUG("Current Day: %s\n", currentDay.c_str());
 
     if (doc.containsKey(currentDay.c_str())) {
-        Serial.println("doc contains key!");
+        LOG_DEBUG("Doc contains key!");
 
         // Check if the current day contains a single object or an array
         JsonVariant dayVariant = doc[currentDay.c_str()];
@@ -215,8 +207,8 @@ private:
                 schedule.duration = entry["duration"];
                 dailySchedule.push_back(schedule);
 
-                Serial.printf("Added Entry - Melody: %s, Hour: %d, Minute: %d, Speed: %d, Duration: %d\n",
+                LOG_INFO("Added Entry - Melody: %s, Hour: %d, Minute: %d, Speed: %d, Duration: %d\n",
-                               schedule.mel.c_str(), schedule.hour, schedule.minute, schedule.speed, schedule.duration);
+                                 schedule.mel.c_str(), schedule.hour, schedule.minute, schedule.speed, schedule.duration);
             }
         } else if (dayVariant.is<JsonObject>()) {
             // Handle case where the day contains a single object
@@ -229,13 +221,13 @@ private:
             schedule.duration = entry["duration"];
             dailySchedule.push_back(schedule);
 
-            Serial.printf("Added Single Entry - Melody: %s, Hour: %d, Minute: %d, Speed: %d, Duration: %d\n",
+            LOG_INFO("Added Single Entry - Melody: %s, Hour: %d, Minute: %d, Speed: %d, Duration: %d\n",
                            schedule.mel.c_str(), schedule.hour, schedule.minute, schedule.speed, schedule.duration);
         } else {
-            Serial.println("Invalid data format for the current day.");
+            LOG_WARNING("Invalid data format for the current day.");
         }
     } else {
-        Serial.println("No schedule found for today.");
+        LOG_INFO("No schedule found for today.");
     }
 }
 
@@ -249,12 +241,12 @@ private:
           if (!alreadyTriggered) {
               // First time at midnight, trigger the event
               alreadyTriggered = true;
-              Serial.println("New day detected, returning true.");
+              LOG_DEBUG("New day detected, returning true.");
               loadDailySchedule();
               return true;
           } else {
               // It's still midnight, but we've already triggered
-              Serial.println("Already triggered for today, returning false.");
+              LOG_DEBUG("Already triggered for today, returning false.");
               return false;
           }
       } else {
@@ -291,7 +283,7 @@ public:
 
     // Prints the time, NOW.
     void printTimeNow(){
-      Serial.printf("Current Time: %s %s, %u - %02u:%02u:%02u\n",
+      LOG_INFO("Current Time: %s %s, %u - %02u:%02u:%02u\n",
               getMonth().c_str(),  // Month as a string
               getDay().c_str(),    // Day as a string
               getYear(),           // Year as an integer
@@ -306,18 +298,17 @@ public:
     }
 
     void checkAndRunSchedule(Player & player) {
-
+				LOG_DEBUG("Running daily schedule check");
         for (auto it = dailySchedule.begin(); it != dailySchedule.end(); ) {
-            Serial.println("Running daily schedule check");
             if (now.hour == it->hour && now.minute == it->minute) {
-                Serial.printf("Entry Exists, returning True!");
+                LOG_DEBUG("Entry Exists, Calling program.");
                 StaticJsonDocument<200> jsonDoc;
                 jsonDoc["name"] = it->mel.c_str();
                 jsonDoc["speed"] = it->speed;
                 jsonDoc["duration"] = it->duration;
                 jsonDoc["loop_dur"] = 0;
                 jsonDoc["internal"] = 0;
-                Serial.printf("name: %s speed: %d duration: %d",it->mel.c_str(), it->speed, it->duration);
+                //LOG_INFO("Entry Found. Name: %s Speed: %d Duration: %d",it->mel.c_str(), it->speed, it->duration);
                 if (!player.isPlaying){
                     player.setMelodyAttributes(jsonDoc);
                     player.loadMelodyInRAM(melody_steps);
@@ -326,7 +317,7 @@ public:
                 }
             }
             else {
-              Serial.printf("No Entry, returning False!");
+              LOG_DEBUG("Entry's time doesn't match. Skipping.");
               ++it;
             }
         }

vesper/functions.hpp

@@ -16,24 +16,25 @@ void updateRelayTimings(JsonDocument doc) {
         String key = String("b") + (i + 1); // Generate "b1", "b2", ...
         if (doc.containsKey(key)) {
             relayDurations[i] = doc[key].as<uint16_t>();
-            Serial.printf("Relay %d duration set to %d ms\n", i + 1, relayDurations[i]);
+            LOG_DEBUG("Relay %d duration s1et to %d ms\n", i + 1, relayDurations[i]);
         } else {
-            Serial.printf("Relay %d not found in JSON payload. Keeping previous duration: %d ms\n", i + 1, relayDurations[i]);
+            LOG_DEBUG("Relay %d not found in JSON payload. Keeping previous duration: %d ms\n", i + 1, relayDurations[i]);
         }
     }
 		saveRelayTimings();
+		LOG_INFO("Updated Relay Timings.")
 }
 
 // Save file "fileName" with data: "data"
 void savefile(const char* fileName, const char* data) {
     File file = SPIFFS.open(fileName, "w");
     if (!file) {
-        Serial.println("Failed to open file!");
+        LOG_ERROR("Failed to open file!");
         return;
     }
     file.print(data);
     file.close();
-    Serial.printf("File %s saved successfully.\n", fileName);
+    LOG_INFO("File %s saved successfully.\n", fileName);
 }
 
 // Saves Relay Durations from RAM, into a file
@@ -49,7 +50,7 @@ void saveRelayTimings() {
 		char buffer[512];
 		size_t len = serializeJson(doc, buffer, sizeof(buffer));
 		if (len == 0) {
-			Serial.println("Failed to serialize JSON.");
+			LOG_ERROR("Failed to serialize JSON.");
 			return;
 		}
 
@@ -78,7 +79,7 @@ void loadRelayTimings() {
     // Open the file for reading
     File file = SPIFFS.open("/settings/relayTimings.json", "r");
     if (!file) {
-        Serial.println("Settings file not found. Using default relay timings.");
+        LOG_ERROR("Settings file not found. Using default relay timings.");
         return;
     }
 
@@ -86,7 +87,7 @@ void loadRelayTimings() {
     StaticJsonDocument<512> doc; // Adjust size if needed
     DeserializationError error = deserializeJson(doc, file);
     if (error) {
-        Serial.println("Failed to parse settings file. Using default relay timings.");
+        LOG_ERROR("Failed to parse settings file. Using default relay timings.");
         file.close();
         return;
     }
@@ -96,7 +97,7 @@ void loadRelayTimings() {
         String key = String("b") + (i + 1);
         if (doc.containsKey(key)) {
             relayDurations[i] = doc[key].as<uint16_t>();
-            Serial.printf("Loaded relay %d duration: %d ms\n", i + 1, relayDurations[i]);
+            LOG_DEBUG("Loaded relay %d duration: %d ms\n", i + 1, relayDurations[i]);
         }
     }
 
@@ -109,7 +110,7 @@ void updateSchedule(JsonDocument doc) {
 
     // Ensure fileName exists and is valid
     if (!fileName || strlen(fileName) == 0) {
-        Serial.println("Invalid JSON payload: Missing or invalid 'file' field");
+        LOG_ERROR("Invalid JSON payload: Missing or invalid 'file' field");
         return;
     }
 
@@ -119,9 +120,9 @@ void updateSchedule(JsonDocument doc) {
 
     if (dataString.length() > 0) {
         savefile(fileName, dataString.c_str());
-        Serial.printf("File '%s' updated successfully.\n", fileName);
+        LOG_INFO("File '%s' updated successfully.\n", fileName);
     } else {
-        Serial.println("Invalid JSON payload: Unable to serialize 'data'");
+        LOG_DEBUG("Invalid JSON payload: Unable to serialize 'data'");
     }
 		timekeeper.refreshDailySchedule();
 }

vesper/logging.hpp

@@ -0,0 +1,37 @@
+// Define Log Levels
+#define LOG_LEVEL_NONE    0  // No logs
+#define LOG_LEVEL_ERROR   1  // Errors only
+#define LOG_LEVEL_WARNING 2  // Warnings and errors
+#define LOG_LEVEL_INFO    3  // Info, warnings, and errors
+#define LOG_LEVEL_DEBUG   4  // All logs (full debugging)
+
+// Set the active log level
+#define ACTIVE_LOG_LEVEL LOG_LEVEL_DEBUG
+
+// Check if the log level is enabled
+#define LOG_LEVEL_ENABLED(level) (ACTIVE_LOG_LEVEL >= level)
+
+// Macro to control logging based on the active level
+#if LOG_LEVEL_ENABLED(LOG_LEVEL_ERROR)
+    #define LOG_ERROR(...) { Serial.print("[ERROR] - "); Serial.printf(__VA_ARGS__); Serial.println(); }
+#else
+    #define LOG_ERROR(...) // No logging if level is not enabled
+#endif
+
+#if LOG_LEVEL_ENABLED(LOG_LEVEL_WARNING)
+    #define LOG_WARNING(...) { Serial.print("[WARNING] - "); Serial.printf(__VA_ARGS__); Serial.println(); }
+#else
+    #define LOG_WARNING(...) // No logging if level is not enabled
+#endif
+
+#if LOG_LEVEL_ENABLED(LOG_LEVEL_INFO)
+    #define LOG_INFO(...) { Serial.print("[INFO] - "); Serial.printf(__VA_ARGS__); Serial.println(); }
+#else
+    #define LOG_INFO(...) // No logging if level is not enabled
+#endif
+
+#if LOG_LEVEL_ENABLED(LOG_LEVEL_DEBUG)
+    #define LOG_DEBUG(...) { Serial.print("[DEBUG] - "); Serial.printf(__VA_ARGS__); Serial.println(); }
+#else
+    #define LOG_DEBUG(...) // No logging if level is not enabled
+#endif

vesper/vesper.ino

@@ -14,7 +14,9 @@ TODO List:
 - Add
 
 */
+#include "logging.hpp"
 
+#include <Arduino.h>
 #include <WiFi.h>
 #include <AsyncMqttClient.h>
 #include <ArduinoJson.h>
@@ -67,10 +69,10 @@ void setup()
 	}
   // Initialize SPIFFS
   if (!SPIFFS.begin(true)) {  // 'true' means format SPIFFS if initialization fails
-    Serial.println("Failed to mount SPIFFS");
+    LOG_ERROR("Failed to mount SPIFFS");
     while(true) delay(10);
   }
-  Serial.println("SPIFFS mounted successfully");
+  LOG_INFO("SPIFFS mounted successfully");
 	delay(50);
   // Initialize RTC
   if (!rtc.begin()) {
@@ -79,7 +81,7 @@ void setup()
   }
 
   if (! rtc.isrunning()) {
-    Serial.println("RTC is NOT running, let's set the time!");
+    LOG_INFO("RTC is NOT running, let's set the time!");
     // When time needs to be set on a new device, or after a power loss, the
     // following line sets the RTC to the date & time this sketch was compiled
     rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
@@ -104,7 +106,7 @@ void setup()
 	if (schedulerTimer != NULL) {
 			xTimerStart(schedulerTimer, 0);
 	} else {
-			Serial.println("Failed to create timer!");
+			LOG_ERROR("Failed to create timer!");
 	}
 
 	timekeeper.refreshDailySchedule();