Diff: main.cpp

Revision:

0:9fc296756703

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 17 14:20:18 2013 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+
+DigitalIn pb1(p8);
+DigitalIn pb2(p9);
+DigitalIn pb3(p10);
+DigitalIn pb4(p12);
+DigitalIn pb5(p13);
+DigitalIn pb6(p17);
+DigitalIn pb7(p20);
+//PwmOut speaker(p21);
+DigitalOut led1(p30);
+DigitalOut led2(p29);
+DigitalOut led3(p28);
+DigitalOut led4(p26);
+DigitalOut led5(p25);
+DigitalOut led6(p5);
+DigitalOut led7(p6);
+class Speaker
+{
+public:
+    Speaker(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the Speaker Constructor
+    }
+// class method to play a note based on PwmOut class
+    void PlayNote(float frequency, float duration, float volume) {
+        _pin.period(1.0/frequency);
+        _pin = volume/2.0;
+        wait(duration);
+        _pin = 0.0;
+    }
+
+private:
+// sets up specified pin for PWM using PwmOut class 
+    PwmOut _pin;
+};
+// no external PullUp resistor needed
+// Pushbutton from P8 to GND.
+int main() {
+ Speaker mySpeaker(p21);
+  pb1.mode(PullUp);
+  pb2.mode(PullUp);
+  pb3.mode(PullUp);
+  pb4.mode(PullUp);
+  pb5.mode(PullUp);
+  pb6.mode(PullUp);
+  pb7.mode(PullUp);
+ while(1){
+ led1=1;
+ while(led1==1){
+  if(pb1!=1) {   
+    mySpeaker.PlayNote(261.6, 0.5, 0.01); 
+    led1=0;
+    wait(0.5);
+    }
+  }
+  led2 = 1;
+     while(led2==1){
+     if(pb2 !=1){
+       mySpeaker.PlayNote(293.7, 0.5, 0.01);
+       led2 = 0;
+       wait(0.5);
+      }
+      }
+      
+     led3=1;
+     while(led3==1){
+     if(pb3 !=1){
+       mySpeaker.PlayNote(329.6, 0.5, 0.01);
+       led3 = 0;
+       wait(0.5);
+      }
+      }
+       led4=1;
+     while(led4==1){
+     if(pb4 !=1){
+       mySpeaker.PlayNote(349.2, 0.5, 0.01);
+       led4 = 0;
+       wait(0.5);
+      }
+      }
+       led5=1;
+     while(led5==1){
+     if(pb5 !=1){
+       mySpeaker.PlayNote(391.9, 0.5, 0.01);
+       led5 = 0;
+       wait(0.5);
+      }
+      }
+       led6=1;
+     while(led6==1){
+     if(pb6 !=1){
+       mySpeaker.PlayNote(440.0, 0.5, 0.01);
+       led6 = 0;
+      wait(0.5);
+      }
+      }
+       led7=1;
+     while(led7==1){
+     if(pb7 !=1){
+       mySpeaker.PlayNote(493.9, 0.5, 0.01);
+       led7 = 0;
+       wait(0.5);
+      }
+      }
+}
+}
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