Added basic Logger with 4 modes.

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