change tone sounds by altering the waveforms

Dependencies:   mbed

Fork of 5_songs by MakingMusicWorkshop

Revision:
3:c04186a77ede
Parent:
2:610196c7b41c
Child:
4:02dc2ab8eabb
--- a/main.cpp	Thu May 12 17:36:35 2016 +0000
+++ b/main.cpp	Thu May 12 17:37:43 2016 +0000
@@ -20,42 +20,7 @@
 static void play_song(int notes_left, int* melody, int* duration) {
     
     // YOUR CODE HERE
-    //REMOVE
-    // melody and duration are pointers, they point to the array of tones and durations we declared earlier
-// every time we play a note we up these pointers (move one element forward)
-// so the current tone is always the first element of melody (same for duration)
 
-int length;
-
-while(notes_left > 0)
-{
-
-    int tone = melody[0];
-    // BPM is quarter notes per minute, so length in milliseconds is:
-    length = static_cast<int>(static_cast<float>(1000 / duration[0]) * (60000.0f / static_cast<float>(BPM * 1000)));
-
-    play_tone(tone);
-    
-    // after half the length of this tone, we silence
-    Thread::wait(length / 2);  //block this main thread until it is time to silence.  This lets other threads run.
-    silence();
-
-    //after the full length of this tone, call next note 
-    Thread::wait(length); //block this main thread until it is time to play the next note.  This lets other threads run.
-               
-    // after the full length of this tone, we up the melody, and down the notes_left
-    
-    notes_left--;
-    melody++;
-    duration++;
-        
-}  
-
-// we're done! just finish this note and silence
-Thread::wait(length / 2);  //block this main thread until it is time to silence.  This lets other threads run.
-silence();
-    
-    //END REMOVE    
 }
 
 // this code runs when the microcontroller starts up