Add public write method to MidiCommon

Author: T-vK

src/MidiCommon.cpp

@@ -110,6 +110,10 @@ uint8_t MidiCommon :: frequencyToNote(float freq) {
 void MidiCommon :: writeData(MidiMessage *msg, int len){
 }
 
+void MidiCommon :: write(MidiMessage *msg, int len){
+    writeData(msg, len);
+}
+
 
 
 } // namespace

src/MidiCommon.h

@@ -125,6 +125,9 @@ class MidiCommon {
         // //! Determines the connection status
         virtual ConnectionStatus getConnectionStatus() { return connectionStatus; }
 
+        //! Public proxy method to writeData
+        void write(MidiMessage *msg, int len);
+
     protected:
         void setConnectionStatus(ConnectionStatus status) {connectionStatus=status; }
         void updateTimestamp(MidiMessage *pMsg);