David Cox / Mbed 2 deprecated ECE_4180_Lab_4_Checkers

mbed Checkers

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed wave_player

Speaker.h@0:e70461c0741e, 2016-03-17 (annotated)

Committer:
dcox32
Date:
Thu Mar 17 20:23:55 2016 +0000
Revision:
0:e70461c0741e
Finished

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dcox32 0:e70461c0741e 1 #include "mbed.h"
dcox32 0:e70461c0741e 2 // new class to play a note on Speaker based on PwmOut class
dcox32 0:e70461c0741e 3 class Speaker
dcox32 0:e70461c0741e 4 {
dcox32 0:e70461c0741e 5 public:
dcox32 0:e70461c0741e 6 Speaker(PinName pin) : _pin(pin) {
dcox32 0:e70461c0741e 7 // _pin(pin) means pass pin to the Speaker Constructor
dcox32 0:e70461c0741e 8 }
dcox32 0:e70461c0741e 9 // class method to play a note based on PwmOut class
dcox32 0:e70461c0741e 10 void PlayNote(float frequency, float duration, float volume) {
dcox32 0:e70461c0741e 11 _pin.period(1.0/frequency);
dcox32 0:e70461c0741e 12 _pin = volume/2.0;
dcox32 0:e70461c0741e 13 wait(duration);
dcox32 0:e70461c0741e 14 _pin = 0.0;
dcox32 0:e70461c0741e 15 }
dcox32 0:e70461c0741e 16
dcox32 0:e70461c0741e 17 private:
dcox32 0:e70461c0741e 18 PwmOut _pin;
dcox32 0:e70461c0741e 19 };