Joseph Lind / Mbed 2 deprecated ECE2036Lab2StarterCode

Starter code for Georgia Tech ECE 2036 Summer 2014 Lab 2

Dependencies:   4DGL-uLCD-SE PinDetect mbed

Speaker.h@2:6163865f5ce3, 2014-06-20 (annotated)

Committer:
jlind6
Date:
Fri Jun 20 15:22:28 2014 +0000
Revision:
2:6163865f5ce3
Parent:
0:356124c0bafc 
(Typo) On line 135, changed a vy to a vx.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jlind6 0:356124c0bafc 1 #include "mbed.h"
jlind6 0:356124c0bafc 2 // new class to play a note on Speaker based on PwmOut class
jlind6 0:356124c0bafc 3 #ifndef _SPEAKER_H
jlind6 0:356124c0bafc 4 #define _SPEAKER_H
jlind6 0:356124c0bafc 5 class Speaker
jlind6 0:356124c0bafc 6 {
jlind6 0:356124c0bafc 7 public:
jlind6 0:356124c0bafc 8 Speaker(PinName pin) : _pin(pin) {
jlind6 0:356124c0bafc 9 // _pin(pin) means pass pin to the Speaker Constructor
jlind6 0:356124c0bafc 10 }
jlind6 0:356124c0bafc 11 // class method to play a note based on PwmOut class
jlind6 0:356124c0bafc 12 void PlayNote(float frequency, float duration, float volume) {
jlind6 0:356124c0bafc 13 _pin.period(1.0/frequency);
jlind6 0:356124c0bafc 14 _pin = volume/2.0;
jlind6 0:356124c0bafc 15 wait(duration);
jlind6 0:356124c0bafc 16 _pin = 0.0;
jlind6 0:356124c0bafc 17 }
jlind6 0:356124c0bafc 18
jlind6 0:356124c0bafc 19 private:
jlind6 0:356124c0bafc 20 PwmOut _pin;
jlind6 0:356124c0bafc 21 };
jlind6 0:356124c0bafc 22
jlind6 0:356124c0bafc 23 #endif // _SPEAKER_H