Gopal Nair / Mbed 2 deprecated Arch_Play_Music

Use a buzz (piezo) to produce music

Dependencies:   mbed

Fork of Arch_Play_Music by Yihui Xiong

Files at this revision

API Documentation at this revision

Revision 1:980e7d018900, committed 2017-07-06

Comitter:
naray23
Date:
Thu Jul 06 15:40:29 2017 +0000
Parent:
0:343592047b5a
Commit message:
None

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 343592047b5a -r 980e7d018900 main.cpp
--- a/main.cpp	Mon Apr 28 06:13:29 2014 +0000
+++ b/main.cpp	Thu Jul 06 15:40:29 2017 +0000
@@ -3,15 +3,18 @@
 
 DigitalOut myled(LED1);
 
-PwmOut buzzer(P1_14);
+PwmOut buzzer(PTD4);
 
-int frequency[] = {NOTE_C4, NOTE_G3,NOTE_G3, NOTE_A3, NOTE_G3, 1, NOTE_B3, NOTE_C4};
-int beat[] = {4, 8, 8, 4,4,4,4,4 };
+//int frequency[] = {NOTE_C4, NOTE_G3,NOTE_G3, NOTE_A3, NOTE_G3, 1, NOTE_B3, NOTE_C4};
+//int beat[] = {4, 8, 8, 4,4,4,4,4 };
+
+int frequency[] = {NOTE_C5, NOTE_B4,NOTE_G4, NOTE_C5, NOTE_B4,NOTE_E4, 1.0, NOTE_C5,NOTE_C4,NOTE_G4,NOTE_A4,NOTE_C5};
+int beat[] = {16, 16, 16,  8,  8,  16, 32, 16, 16, 16, 8, 8 };
 
 int main() {
     for (int i = 0; i < (sizeof(frequency) / sizeof(int)); i++) {
-        buzzer.period(1.0 / frequency[i]);
-        buzzer.write(0.5);
+        buzzer.period(1.0 / frequency[i]);//set period
+        buzzer.write(0.5);//set duty cycle
         wait(1.0 / beat[i]);
         buzzer.write(0);
         wait(0.05);