Cong Vu / Mbed 2 deprecated Project2_cvu31

SNAKE GAME

Dependencies:   mbed wave_player 4DGL-uLCD-SE MMA8452

Speaker.h@0:24041b847eb5, 2020-11-25 (annotated)

Committer:
congvu
Date:
Wed Nov 25 04:25:25 2020 +0000
Revision:
0:24041b847eb5
ECE2035 SNAKE GAME;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
congvu 0:24041b847eb5 1 #include "mbed.h"
congvu 0:24041b847eb5 2 // new class to play a note on Speaker based on PwmOut class
congvu 0:24041b847eb5 3 class Speaker
congvu 0:24041b847eb5 4 {
congvu 0:24041b847eb5 5 public:
congvu 0:24041b847eb5 6 Speaker(PinName pin) : _pin(pin) {
congvu 0:24041b847eb5 7 // _pin(pin) means pass pin to the Speaker Constructor
congvu 0:24041b847eb5 8 }
congvu 0:24041b847eb5 9 // class method to play a note based on PwmOut class
congvu 0:24041b847eb5 10 void PlayNote(float frequency, float duration, float volume) {
congvu 0:24041b847eb5 11 _pin.period(1.0/frequency);
congvu 0:24041b847eb5 12 _pin = volume/2.0;
congvu 0:24041b847eb5 13 wait(duration);
congvu 0:24041b847eb5 14 _pin = 0.0;
congvu 0:24041b847eb5 15 }
congvu 0:24041b847eb5 16
congvu 0:24041b847eb5 17 private:
congvu 0:24041b847eb5 18 PwmOut _pin;
congvu 0:24041b847eb5 19 };