Michael Martin / Mbed 2 deprecated 4180Lab4

Flappy Bird game on mbed with a micro LCD screen, class D amp, speaker, SD card reader/writer, 5-button navigation switch, and potentiometer speed control

Dependencies:   4DGL-uLCD-SE PinDetect SDFileSystem mbed-rtos mbed

Speaker.h@0:cd1d2540aaf4, 2016-03-15 (annotated)

Committer:
Mpmart08
Date:
Tue Mar 15 01:11:07 2016 +0000
Revision:
0:cd1d2540aaf4
added comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mpmart08 0:cd1d2540aaf4 1 #include "mbed.h"
Mpmart08 0:cd1d2540aaf4 2
Mpmart08 0:cd1d2540aaf4 3 // class to play a note on Speaker based on PwmOut class
Mpmart08 0:cd1d2540aaf4 4 #ifndef _SPEAKER_H
Mpmart08 0:cd1d2540aaf4 5 #define _SPEAKER_H
Mpmart08 0:cd1d2540aaf4 6
Mpmart08 0:cd1d2540aaf4 7 class Speaker
Mpmart08 0:cd1d2540aaf4 8 {
Mpmart08 0:cd1d2540aaf4 9 public:
Mpmart08 0:cd1d2540aaf4 10 // Constructor
Mpmart08 0:cd1d2540aaf4 11 Speaker(PinName pin) : _pin(pin) {}
Mpmart08 0:cd1d2540aaf4 12 // member function to play a given note
Mpmart08 0:cd1d2540aaf4 13 void PlayNote(float frequency, float duration, float volume) {
Mpmart08 0:cd1d2540aaf4 14 _pin.period(1.0/frequency);
Mpmart08 0:cd1d2540aaf4 15 _pin = volume/2.0;
Mpmart08 0:cd1d2540aaf4 16 wait(duration);
Mpmart08 0:cd1d2540aaf4 17 _pin = 0.0;
Mpmart08 0:cd1d2540aaf4 18 }
Mpmart08 0:cd1d2540aaf4 19
Mpmart08 0:cd1d2540aaf4 20 private:
Mpmart08 0:cd1d2540aaf4 21 PwmOut _pin;
Mpmart08 0:cd1d2540aaf4 22 };
Mpmart08 0:cd1d2540aaf4 23
Mpmart08 0:cd1d2540aaf4 24 #endif // _SPEAKER_H