Thomas Pettet / Mbed 2 deprecated Whack-a-Mole-ECE4180-Lab4

Whack a Mole game! Features: - LCD graphics display - Touch pad input - Speaker effects through a class D audio amplifier\ - A high score page maintained by the SD card file system - Analog noise used to seed random numbers

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed

Fork of MPR121_Demo by jim hamblen

SongPlayer.h@5:070755be0a77, 2016-03-14 (annotated)

Committer:
tpettet3
Date:
Mon Mar 14 05:36:09 2016 +0000
Revision:
5:070755be0a77
before speaker;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tpettet3 5:070755be0a77 1 #include "mbed.h"
tpettet3 5:070755be0a77 2 // new class to play a note on Speaker based on PwmOut class
tpettet3 5:070755be0a77 3 class SongPlayer
tpettet3 5:070755be0a77 4 {
tpettet3 5:070755be0a77 5 public:
tpettet3 5:070755be0a77 6 SongPlayer(PinName pin) : _pin(pin) {
tpettet3 5:070755be0a77 7 // _pin(pin) means pass pin to the constructor
tpettet3 5:070755be0a77 8 }
tpettet3 5:070755be0a77 9 // class method to play a note based on PwmOut class
tpettet3 5:070755be0a77 10 void PlaySong(float frequency[], float duration[], float volume=1.0) {
tpettet3 5:070755be0a77 11 vol = volume;
tpettet3 5:070755be0a77 12 notecount = 0;
tpettet3 5:070755be0a77 13 _pin.period(1.0/frequency[notecount]);
tpettet3 5:070755be0a77 14 _pin = volume/2.0;
tpettet3 5:070755be0a77 15 noteduration.attach(this,&SongPlayer::nextnote, duration[notecount]);
tpettet3 5:070755be0a77 16 // setup timer to interrupt for next note to play
tpettet3 5:070755be0a77 17 frequencyptr = frequency;
tpettet3 5:070755be0a77 18 durationptr = duration;
tpettet3 5:070755be0a77 19 //returns after first note starts to play
tpettet3 5:070755be0a77 20 }
tpettet3 5:070755be0a77 21 void nextnote();
tpettet3 5:070755be0a77 22 private:
tpettet3 5:070755be0a77 23 Timeout noteduration;
tpettet3 5:070755be0a77 24 PwmOut _pin;
tpettet3 5:070755be0a77 25 int notecount;
tpettet3 5:070755be0a77 26 float vol;
tpettet3 5:070755be0a77 27 float * frequencyptr;
tpettet3 5:070755be0a77 28 float * durationptr;
tpettet3 5:070755be0a77 29 };
tpettet3 5:070755be0a77 30 //Interrupt Routine to play next note
tpettet3 5:070755be0a77 31 void SongPlayer::nextnote()
tpettet3 5:070755be0a77 32 {
tpettet3 5:070755be0a77 33 _pin = 0.0;
tpettet3 5:070755be0a77 34 notecount++; //setup next note in song
tpettet3 5:070755be0a77 35 if (durationptr[notecount]!=0.0) {
tpettet3 5:070755be0a77 36 _pin.period(1.0/frequencyptr[notecount]);
tpettet3 5:070755be0a77 37 noteduration.attach(this,&SongPlayer::nextnote, durationptr[notecount]);
tpettet3 5:070755be0a77 38 _pin = vol/2.0;
tpettet3 5:070755be0a77 39 } else
tpettet3 5:070755be0a77 40 _pin = 0.0; //turn off on last note
tpettet3 5:070755be0a77 41 }
tpettet3 5:070755be0a77 42