jim hamblen / Mbed 2 deprecated mythermostat

example skeleton code for student lab project

Dependencies:   4DGL-uLCD-SE PinDetect SDFileSystem mbed

Fork of mymbedthermostat by jim hamblen

Speaker.h@4:9a4d22a279b3, 2014-01-23 (annotated)

Committer:
4180_1
Date:
Thu Jan 23 16:47:05 2014 +0000
Revision:
4:9a4d22a279b3
Parent:
2:58d85409f7ff 
ver 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 2:58d85409f7ff 1 #include "mbed.h"
4180_1 2:58d85409f7ff 2 // new class to play a note on Speaker based on PwmOut class
4180_1 2:58d85409f7ff 3 class Speaker
4180_1 2:58d85409f7ff 4 {
4180_1 2:58d85409f7ff 5 public:
4180_1 2:58d85409f7ff 6 Speaker(PinName pin) : _pin(pin) {
4180_1 2:58d85409f7ff 7 // _pin(pin) means pass pin to the Speaker Constructor
4180_1 2:58d85409f7ff 8 }
4180_1 2:58d85409f7ff 9 // class method to play a note based on PwmOut class
4180_1 2:58d85409f7ff 10 void PlayNote(float frequency, float duration, float volume) {
4180_1 2:58d85409f7ff 11 _pin.period(1.0/frequency);
4180_1 2:58d85409f7ff 12 _pin = volume/2.0;
4180_1 2:58d85409f7ff 13 wait(duration);
4180_1 2:58d85409f7ff 14 _pin = 0.0;
4180_1 2:58d85409f7ff 15 }
4180_1 2:58d85409f7ff 16
4180_1 2:58d85409f7ff 17 private:
4180_1 2:58d85409f7ff 18 PwmOut _pin;
4180_1 2:58d85409f7ff 19 };