Basic unified system logger

src/modules/logger/system_logger.h

@@ -0,0 +1,71 @@
+#pragma once
+#include <Arduino.h>
+#include "flags.h"
+
+class system_logger 
+{
+private:
+    HardwareSerial *_output;
+    int print_message(String pre, String message);
+public:
+    system_logger(HardwareSerial *output);
+    ~system_logger();
+    #ifdef INFO
+    int info(String message);
+    #endif
+    
+    #ifdef WARN
+    int warn(String message);
+    #endif
+    
+    #ifdef ERROR
+    int error(String message);
+    #endif
+    
+    #ifdef DEBUG
+    int debug(String message);
+    #endif
+};
+
+system_logger::system_logger(HardwareSerial *output)
+{
+    _output = output;
+}
+
+system_logger::~system_logger()
+{
+}
+
+int system_logger::print_message(String pre, String message) {
+    if (_output->availableForWrite()) {
+        _output->print(millis());
+        _output->print(pre);
+        _output->println(message);
+        return 0;
+    }
+    return 1;
+}
+
+#ifdef INFO
+int system_logger::info(String message) {
+    return this->print_message(" [INFO] ", message);
+}
+#endif
+
+#ifdef WARN
+int system_logger::warn(String message) {
+    return this->print_message(" [WARNING] ", message);
+}
+#endif
+
+#ifdef ERROR
+int system_logger::error(String message) {
+    return this->print_message(" [ERROR] ", message);
+}
+#endif
+
+#ifdef DEBUG
+int system_logger::debug(String message) {
+    return this->print_message(" [DEBUG] ", message);
+}
+#endif