Revision 2:85d8ce475baa, committed 2015-11-26

Comitter:

pighixxx

Date:

Thu Nov 26 09:28:03 2015 +0000

Parent:

1:2e6ea42675c7

Commit message:

miniblip play notes example

Changed in this revision

diff -r 2e6ea42675c7 -r 85d8ce475baa main.cpp
--- a/main.cpp	Tue Oct 21 03:00:15 2014 +0000
+++ b/main.cpp	Thu Nov 26 09:28:03 2015 +0000
@@ -1,11 +1,9 @@
+// miniblip play notes with interrupts - Not tested with led matrix
+// For documentation see http://mbed.org/users/4180_1/notebook/using-a-speaker-for-audio-output/
+
 #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,
@@ -15,17 +13,14 @@
                      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
+    // Buzzer pin
+    SongPlayer mySpeaker(P0_8);
+    // 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);
     }
 }