Diff: main.cpp

Revision:

0:59e9c82b3e5f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 07 02:40:31 2019 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+#include "SongPlayer.h"
+
+// Song test program - plays a song using PWM and timer interrupts
+// for documentation see http://mbed.org/users/4180_1/notebook/using-a-speaker-for-audio-output/
+// can be used to play a song, if you have the notes and durations
+// for musical note frequencies see http://en.wikipedia.org/wiki/Piano_key_frequencies
+
+//Set up notes and durations for sample song to play
+// A 0.0 duration note at end terminates song play
+float note[18]= {1568.0,1396.9,1244.5,1244.5,1396.9,1568.0,1568.0,1568.0,1396.9,
+                 1244.5,1396.9,1568.0,1396.9,1244.5,1174.7,1244.5,1244.5, 0.0
+                };
+float duration[18]= {0.48,0.24,0.72,0.48,0.24,0.48,0.24,0.24,0.24,
+                     0.24,0.24,0.24,0.24,0.48,0.24,0.48,0.48, 0.0
+                    };
+
+DigitalOut led1(LED1);
+int main()
+{
+// setup instance of new SongPlayer class, mySpeaker using pin 26
+// the pin must be a PWM output pin
+    SongPlayer mySpeaker(p26);
+// Start song and return once playing starts
+    mySpeaker.PlaySong(note,duration);
+    // loops forever while song continues to play to end using interrupts
+    while(1) {
+        led1 = !led1;
+        wait(.1);
+    }
+}
+