Adding API to retrieve the debug level. (#24)

This fixes #14.

Author: aentinger

Diff for: src/Arduino_DebugUtils.cpp

@@ -47,6 +47,10 @@ void Arduino_DebugUtils::setDebugLevel(int const debug_level) {
   _debug_level = debug_level;
 }
 
+int Arduino_DebugUtils::getDebugLevel() const {
+  return _debug_level;
+}
+
 void Arduino_DebugUtils::setDebugOutputStream(Stream * stream) {
   _debug_output_stream = stream;
 }
@@ -142,6 +146,11 @@ bool Arduino_DebugUtils::shouldPrint(int const debug_level) const
  ******************************************************************************/
 
 Arduino_DebugUtils Debug;
+
 void setDebugMessageLevel(int const debug_level) {
   Debug.setDebugLevel(debug_level);
 }
+
+int getDebugMessageLevel() {
+  return Debug.getDebugLevel();
+}

Diff for: src/Arduino_DebugUtils.h

@@ -38,6 +38,7 @@ static int const DBG_DEBUG   =  3;
 static int const DBG_VERBOSE =  4;
 
 void setDebugMessageLevel(int const debug_level);
+int  getDebugMessageLevel();
 
 /******************************************************************************
    CLASS DECLARATION
@@ -50,6 +51,7 @@ class Arduino_DebugUtils {
     Arduino_DebugUtils();
 
     void setDebugLevel(int const debug_level);
+    int  getDebugLevel() const;
 
     void setDebugOutputStream(Stream * stream);