Selecting the melody to play when alarm goes off

libraries/Melody/Melody.cpp

@@ -137,7 +137,7 @@ void Melody::setLoopDuration(unsigned long ms)
 /**
  * \brief Starts playing the melody, or restarts it if already playing.
  *
- * \sa setMelody(), stop(), loopCount()
+ * \sa playOnce(), setMelody(), stop(), loopCount()
  */
 void Melody::play()
 {
@@ -150,6 +150,22 @@ void Melody::play()
     nextNote();
 }
 
+/**
+ * \brief Plays the melody once and then stops.
+ *
+ * \sa play(), stop()
+ */
+void Melody::playOnce()
+{
+    stop();
+    if (size == 0)
+        return;         // No melody to play.
+    loopsLeft = 1;
+    posn = 0;
+    playing = true;
+    nextNote();
+}
+
 /**
  * \brief Stops playing the melody.
  *

libraries/Melody/Melody.h

@@ -131,6 +131,7 @@ public:
     void setLoopDuration(unsigned long ms);
 
     void play();
+    void playOnce();
     void stop();
 
     void setMelody(const int *notes, const uint8_t *lengths, unsigned int size);