Thomas Pettet / Mbed 2 deprecated Smart_Wall_Outlet

Demo code for a Wi-Fi controlled wall outlet that monitors light intensity, temperature, and motion and can control which plugs are supplied with power based off of user preference.

Dependencies:   BH1750 DHT11_Lib mbed

Fork of ECE4180_Lab4_ESP8266_IoT_Outlets by Deron Mai

SongPlayer.h@15:5a337e99f6f3, 2016-04-30 (annotated)

Committer:
tpettet3
Date:
Sat Apr 30 22:37:39 2016 +0000
Revision:
15:5a337e99f6f3
Final/Demo code version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tpettet3 15:5a337e99f6f3 1 #include "mbed.h"
tpettet3 15:5a337e99f6f3 2 // new class to play a note on Speaker based on PwmOut class
tpettet3 15:5a337e99f6f3 3 class SongPlayer
tpettet3 15:5a337e99f6f3 4 {
tpettet3 15:5a337e99f6f3 5 public:
tpettet3 15:5a337e99f6f3 6 SongPlayer(PinName pin) : _pin(pin) {
tpettet3 15:5a337e99f6f3 7 // _pin(pin) means pass pin to the constructor
tpettet3 15:5a337e99f6f3 8 }
tpettet3 15:5a337e99f6f3 9 // class method to play a note based on PwmOut class
tpettet3 15:5a337e99f6f3 10 void PlaySong(float frequency[], float duration[], float volume=1.0) {
tpettet3 15:5a337e99f6f3 11 vol = volume;
tpettet3 15:5a337e99f6f3 12 notecount = 0;
tpettet3 15:5a337e99f6f3 13 _pin.period(1.0/frequency[notecount]);
tpettet3 15:5a337e99f6f3 14 _pin = volume/2.0;
tpettet3 15:5a337e99f6f3 15 noteduration.attach(this,&SongPlayer::nextnote, duration[notecount]);
tpettet3 15:5a337e99f6f3 16 // setup timer to interrupt for next note to play
tpettet3 15:5a337e99f6f3 17 frequencyptr = frequency;
tpettet3 15:5a337e99f6f3 18 durationptr = duration;
tpettet3 15:5a337e99f6f3 19 //returns after first note starts to play
tpettet3 15:5a337e99f6f3 20 }
tpettet3 15:5a337e99f6f3 21 void nextnote();
tpettet3 15:5a337e99f6f3 22 private:
tpettet3 15:5a337e99f6f3 23 Timeout noteduration;
tpettet3 15:5a337e99f6f3 24 PwmOut _pin;
tpettet3 15:5a337e99f6f3 25 int notecount;
tpettet3 15:5a337e99f6f3 26 float vol;
tpettet3 15:5a337e99f6f3 27 float * frequencyptr;
tpettet3 15:5a337e99f6f3 28 float * durationptr;
tpettet3 15:5a337e99f6f3 29 };
tpettet3 15:5a337e99f6f3 30 //Interrupt Routine to play next note
tpettet3 15:5a337e99f6f3 31 void SongPlayer::nextnote()
tpettet3 15:5a337e99f6f3 32 {
tpettet3 15:5a337e99f6f3 33 _pin = 0.0;
tpettet3 15:5a337e99f6f3 34 notecount++; //setup next note in song
tpettet3 15:5a337e99f6f3 35 if (durationptr[notecount]!=0.0) {
tpettet3 15:5a337e99f6f3 36 _pin.period(1.0/frequencyptr[notecount]);
tpettet3 15:5a337e99f6f3 37 noteduration.attach(this,&SongPlayer::nextnote, durationptr[notecount]);
tpettet3 15:5a337e99f6f3 38 _pin = vol/2.0;
tpettet3 15:5a337e99f6f3 39 } else
tpettet3 15:5a337e99f6f3 40 _pin = 0.0; //turn off on last note
tpettet3 15:5a337e99f6f3 41 }