Erick Cardenas / Mbed 2 deprecated Frogger1

Program is a work in progress

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

Fork of 4180_Lab4_v6 by Scott Williams

Speaker.h@1:e84085bbf399, 2016-10-30 (annotated)

Committer:
ecardenas8
Date:
Sun Oct 30 04:39:01 2016 +0000
Revision:
1:e84085bbf399
Parent:
0:9f1095365b9a 
Program is a work in progress

Who changed what in which revision?

UserRevisionLine numberNew contents of line
swilliams346 0:9f1095365b9a 1 #include "mbed.h"
swilliams346 0:9f1095365b9a 2 // new class to play a note on Speaker based on PwmOut class
swilliams346 0:9f1095365b9a 3 class Speaker
swilliams346 0:9f1095365b9a 4 {
swilliams346 0:9f1095365b9a 5 public:
swilliams346 0:9f1095365b9a 6 Speaker(PinName pin) : _pin(pin) {
swilliams346 0:9f1095365b9a 7 // _pin(pin) means pass pin to the Speaker Constructor
swilliams346 0:9f1095365b9a 8 }
swilliams346 0:9f1095365b9a 9 // class method to play a note based on PwmOut class
swilliams346 0:9f1095365b9a 10 void PlayNote(float frequency, float duration, float volume) {
swilliams346 0:9f1095365b9a 11 _pin.period(1.0/frequency);
swilliams346 0:9f1095365b9a 12 _pin = volume/2.0;
swilliams346 0:9f1095365b9a 13 wait(duration);
swilliams346 0:9f1095365b9a 14 _pin = 0.0;
swilliams346 0:9f1095365b9a 15 }
swilliams346 0:9f1095365b9a 16
swilliams346 0:9f1095365b9a 17 private:
swilliams346 0:9f1095365b9a 18 PwmOut _pin;
swilliams346 0:9f1095365b9a 19 };