Revision 1:4a2a53bbc623, committed 2014-02-12

Comitter:

ArthurSemjonov

Date:

Wed Feb 12 21:07:58 2014 +0000

Parent:

0:f86c572491c3

Commit message:

Change the name of the project;

Changed in this revision

--- a/main.cpp	Mon Oct 15 12:19:12 2012 +0000
+++ b/main.cpp	Wed Feb 12 21:07:58 2014 +0000
@@ -1,19 +1,40 @@
 #include "mbed.h"
+#include "songs.h"
+
 
-PwmOut r (p23);
-PwmOut g (p24);
-PwmOut b (p25);
+/*******LED brightness value range from 0 to 1***********/
+PwmOut r (p23);                     //red
+PwmOut g (p24);                     //greeb
+PwmOut b (p25);                     //blue
+/********************************************************/
+AnalogIn p1(p19);                   //Potentiometers left (red)
+AnalogIn p2(p20);                   //Potentiometers right (green)
+DigitalIn joyUP(p15);               //Adds blue button
+DigitalIn joyDOWN(p12);             //Subtracts blue button
+DigitalIn joyMID(p14);              //Play the song button
+
+Songs play; //song object
+
+/*************************************I Am the Doctor***********************************/
+float frequency[]= {146.83, 164.81, 174.61, 196, 174.61 ,164.81, 146.83, 164.81, 146.83};
+float beat[]= {.9,.9,.9,0.5,.9,.9,.9,0.5,0.5, 0.5};
+/***************************************************************************************/
 
 int main()
 {
-    r.period(0.001);
     while(1) {
-        for(float i = 0.0; i < 1.0 ; i += 0.001) {
-            float p = 3 * i;
-            r = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0);
-            g = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p);
-            b = 1.0 - ((p < 1.0) ? 0.0 : (p > 2.0) ? 3.0 - p : p - 1.0);  ;  
-            wait (0.01);
+        r = p1; //read left potentiometer and set red light 
+        g = p2; //read right potentiometer and set green light
+        if (joyUP) {
+            b = (b>0) ? b-0.01: b; //if blue > 0, then subtract 0.01 from brightness value
+            wait(0.01);
+        } else if (joyDOWN) {
+            b = (b<1) ? b+0.01: b; //if blue < 1, then add 0.01 to brightness value
+            wait(0.01);
+        } else if (joyMID) {
+            play.songOfMyPeople(frequency, beat); //play the song
+            wait(0.01);
         }
+        wait (0.01);
     }
 }
\ No newline at end of file

--- /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);
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/songs.h	Wed Feb 12 21:07:58 2014 +0000
@@ -0,0 +1,24 @@
+/*
+ * song.h
+ *
+ *  Created on: Feb 11, 2014
+ *      Author: Artur Semjonov
+ */
+
+#ifndef SONG_H_
+#define SONG_H_
+
+class Songs
+{
+public:
+
+    Songs();
+    /* Plays the song based on frq and beat provided. Both frq and beat should be equal
+     * @param frequency[] array of frequencies of notes
+     * @param beat[] array of beats for the song
+     */
+    void songOfMyPeople(float frequency[], float beat[]);
+};
+
+
+#endif /* SONG_H_ */ 
\ No newline at end of file