Austin Suszek / Mbed 2 deprecated MIDISynthesizer

Dependencies:   mbed USBDevice PinDetect

Audio/AudioEngine.h@9:1e012f67470c, 2016-04-13 (annotated)

Committer:
asuszek
Date:
Wed Apr 13 19:46:28 2016 +0000
Revision:
9:1e012f67470c
Parent:
AudioEngine.h@6:688698f814c0
Child:
13:bb0ec927e458
Moved Audio into it's own folder

Who changed what in which revision?

UserRevisionLine numberNew contents of line
asuszek 6:688698f814c0 1 /**
asuszek 6:688698f814c0 2 * The interface for all audio input and output.
asuszek 6:688698f814c0 3 * This class acts as a container for individual voices.
asuszek 6:688698f814c0 4 * It takes in MIDI events and handles processing and output.
asuszek 6:688698f814c0 5 *
asuszek 6:688698f814c0 6 * @author Austin Suszek
asuszek 6:688698f814c0 7 */
asuszek 6:688698f814c0 8
asuszek 6:688698f814c0 9 #ifndef AS_AUDIO_ENGINE_H
asuszek 6:688698f814c0 10 #define AS_AUDIO_ENGINE_H
asuszek 6:688698f814c0 11
asuszek 9:1e012f67470c 12 #include "../Constants.h"
asuszek 9:1e012f67470c 13 #include "../mbed.h"
asuszek 6:688698f814c0 14 #include "Synthesizer.h"
asuszek 6:688698f814c0 15
asuszek 6:688698f814c0 16 class AudioEngine {
asuszek 6:688698f814c0 17 public:
asuszek 6:688698f814c0 18
asuszek 6:688698f814c0 19 /**
asuszek 6:688698f814c0 20 * Constructor
asuszek 6:688698f814c0 21 */
asuszek 6:688698f814c0 22 AudioEngine();
asuszek 6:688698f814c0 23
asuszek 6:688698f814c0 24 /**
asuszek 6:688698f814c0 25 * Signal the beginning of a note being pressed.
asuszek 6:688698f814c0 26 *
asuszek 6:688698f814c0 27 * @param key The integer representation of the note
asuszek 6:688698f814c0 28 * @param velocity (optional) The note velocity in the range of 0-127
asuszek 6:688698f814c0 29 */
asuszek 6:688698f814c0 30 void midiNoteOn(const int key, const int velocity = 0x7F);
asuszek 6:688698f814c0 31
asuszek 6:688698f814c0 32 /**
asuszek 6:688698f814c0 33 * Signal the end of a note being pressed.
asuszek 6:688698f814c0 34 *
asuszek 6:688698f814c0 35 * @param key The integer representation of the note
asuszek 6:688698f814c0 36 */
asuszek 6:688698f814c0 37 void midiNoteOff(const int key);
asuszek 6:688698f814c0 38
asuszek 6:688698f814c0 39 /**
asuszek 6:688698f814c0 40 * Switch to a new synth instrument.
asuszek 6:688698f814c0 41 *
asuszek 6:688698f814c0 42 * @param direction 1 for next, -1 for previous.
asuszek 6:688698f814c0 43 */
asuszek 6:688698f814c0 44 void nextSynth(int direction);
asuszek 6:688698f814c0 45
asuszek 6:688698f814c0 46 private:
asuszek 6:688698f814c0 47
asuszek 6:688698f814c0 48 Ticker samplePeriod;
asuszek 6:688698f814c0 49 void outputAudio();
asuszek 6:688698f814c0 50
asuszek 6:688698f814c0 51 Synthesizer synthesizers[C::MAX_POLYPHONY];
asuszek 6:688698f814c0 52
asuszek 6:688698f814c0 53 };
asuszek 6:688698f814c0 54
asuszek 6:688698f814c0 55 #endif