Arthur Semjonov
Uses 2 Potentiometers on the app-board to control red and green LED. Blue LED is controlled by using Up and Down buttons on the joystick. When Joystick is pressed down, the song will be played.
Fork of
app-board-RGB
by 
Chris Styles
Diff: songs.cpp
- Revision:
- 1:4a2a53bbc623
diff -r f86c572491c3 -r 4a2a53bbc623 songs.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/songs.cpp Wed Feb 12 21:07:58 2014 +0000
@@ -0,0 +1,32 @@
+/*
+ * song.cpp
+ *
+ * Created on: Feb 11, 2014
+ * Author: Artur Semjonov
+ */
+
+#include "mbed.h"
+#include "songs.h"
+
+
+PwmOut speaker(p26);
+DigitalIn off(p14); // middle joystick used to turn off the song
+Songs::Songs() {}
+
+void Songs::songOfMyPeople(float frequency[], float beat[])
+{
+ while(1) { //run infinetly unless interupted
+ for (int i=0; i<=8; i++) {
+ speaker.period(1/(2*frequency[i])); // set PWM period
+ speaker=0.5; // set duty cycle
+ wait(0.4*beat[i]);
+ if (off) {
+ speaker = 0; //reset speaker duty cycle
+ wait(2); //delay for inferior humans
+ return;
+ }
+ }
+ speaker = 0;
+ wait(0.25);
+ }
+}
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