Jeffery Hurley / Mbed OS Asteroids

Simple starter skeleton for asteroids video game.

Dependencies:   PinDetect

Speaker.h@0:0c450cb95a1e, 2019-02-21 (annotated)

Committer:
jhurley31
Date:
Thu Feb 21 17:44:23 2019 +0000
Revision:
0:0c450cb95a1e
Starting the buzzman project

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhurley31 0:0c450cb95a1e 1 #include "mbed.h"
jhurley31 0:0c450cb95a1e 2 // new class to play a note on Speaker based on PwmOut class
jhurley31 0:0c450cb95a1e 3 class Speaker
jhurley31 0:0c450cb95a1e 4 {
jhurley31 0:0c450cb95a1e 5 public:
jhurley31 0:0c450cb95a1e 6 Speaker(PinName pin) : _pin(pin) {
jhurley31 0:0c450cb95a1e 7 // _pin(pin) means pass pin to the Speaker Constructor
jhurley31 0:0c450cb95a1e 8 }
jhurley31 0:0c450cb95a1e 9 // class method to play a note based on PwmOut class
jhurley31 0:0c450cb95a1e 10 void PlayNote(float frequency, float duration, float volume) {
jhurley31 0:0c450cb95a1e 11 _pin.period(1.0/frequency);
jhurley31 0:0c450cb95a1e 12 _pin = volume/2.0;
jhurley31 0:0c450cb95a1e 13 wait(duration);
jhurley31 0:0c450cb95a1e 14 _pin = 0.0;
jhurley31 0:0c450cb95a1e 15 }
jhurley31 0:0c450cb95a1e 16
jhurley31 0:0c450cb95a1e 17 private:
jhurley31 0:0c450cb95a1e 18 PwmOut _pin;
jhurley31 0:0c450cb95a1e 19 };
jhurley31 0:0c450cb95a1e 20