PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

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PokittoSound.h

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00001 /**************************************************************************/
00002 /*!
00003     @file     PokittoSound.h
00004     @author   Jonne Valola
00005 
00006     @section LICENSE
00007 
00008     Software License Agreement (BSD License)
00009 
00010     Copyright (c) 2016, Jonne Valola
00011     All rights reserved.
00012 
00013     Redistribution and use in source and binary forms, with or without
00014     modification, are permitted provided that the following conditions are met:
00015     1. Redistributions of source code must retain the above copyright
00016     notice, this list of conditions and the following disclaimer.
00017     2. Redistributions in binary form must reproduce the above copyright
00018     notice, this list of conditions and the following disclaimer in the
00019     documentation and/or other materials provided with the distribution.
00020     3. Neither the name of the copyright holders nor the
00021     names of its contributors may be used to endorse or promote products
00022     derived from this software without specific prior written permission.
00023 
00024     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
00025     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00026     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
00028     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00029     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00030     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00031     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00032     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00033     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034 */
00035 /**************************************************************************/
00036 
00037 
00038 #ifndef POKITTOSOUND_H
00039 #define POKITTOSOUND_H
00040 
00041 #include <stdint.h>
00042 #include "Pokitto_settings.h "
00043 #include "GBcompatibility.h"
00044 #include "PokittoFakeavr.h "
00045 #include "PokittoGlobs.h "
00046 
00047 extern void pokPauseStream();
00048 extern void pokPlayStream();
00049 extern uint8_t pokStreamPaused();
00050 
00051 //volume levels
00052 #define GLOBVOL_SHIFT 5 //shift global volume to allow for finer increments
00053 #ifndef MAX_VOL_TEST
00054     #define VOLUME_SPEAKER_MAX 255 //((8<<GLOBVOL_SHIFT)-1)
00055     #define VOLUME_HEADPHONE_MAX (1<<GLOBVOL_SHIFT)
00056     #define VOLUME_STARTUP ((1<<GLOBVOL_SHIFT)/2)
00057 #else
00058     #define VOLUME_SPEAKER_MAX ((8<<GLOBVOL_SHIFT)-1)
00059     #define VOLUME_HEADPHONE_MAX VOLUME_SPEAKER_MAX
00060     #define VOLUME_STARTUP VOLUME_SPEAKER_MAX
00061 #endif // MAXVOLTEST
00062 
00063 #ifdef POK_SIM
00064 #define VOLUME_STEP 1
00065 #else
00066 #define VOLUME_STEP 8
00067 #endif
00068 
00069 
00070 //commands
00071 #define CMD_VOLUME 0
00072 #define CMD_INSTRUMENT 1
00073 #define CMD_SLIDE 2
00074 #define CMD_ARPEGGIO 3
00075 #define CMD_TREMOLO 4
00076 
00077 #define STR_PLAYING 0x1
00078 #define STR_VISUALIZER  0x2
00079 #define STR_LOOP    0x4
00080 #define STR_PAUSED  0x8
00081 
00082 namespace Pokitto {
00083 
00084 /** Sound class.
00085  *  The Sound class is an API-compatible version of the Gamebuino Sound API by Aurelien Rodot.
00086  *  Because it is a class consisting of only static members, there is only 1 instance running,
00087  *  no matter how many Sound classes are declared (see example below). This means sound can
00088  *  be used through a simple Sound class object or as a member of the Core class.
00089  *
00090  */
00091 
00092 extern void audio_IRQ();  // audio interrupt
00093 
00094 class Sound {
00095 private:
00096     static uint16_t volumeMax;
00097 public:
00098     static void begin();
00099 
00100     // Headphonemode
00101     static void setMaxVol(int16_t);
00102     static uint16_t getMaxVol();
00103     static void volumeUp();
00104     static void volumeDown();
00105 
00106     // Original functions
00107     static void updateStream();
00108     static void playTone(uint8_t os, int frq, uint8_t amp, uint8_t wav,uint8_t arpmode);
00109     static void playTone(uint8_t os, uint16_t freq, uint8_t volume, uint32_t duration);
00110     static uint8_t ampIsOn();
00111     static void ampEnable(uint8_t);
00112     static int playMusicStream(char* filename, uint8_t options);
00113     static int playMusicStream(char* filename);
00114     static int playMusicStream();
00115     static void pauseMusicStream();
00116 
00117     // GB compatibility functions
00118     static void playTrack(const uint16_t* track, uint8_t channel);
00119     static void updateTrack(uint8_t channel);
00120     static void updateTrack();
00121     static void stopTrack(uint8_t channel);
00122     static void stopTrack();
00123     static void changePatternSet(const uint16_t* const* patterns, uint8_t channel);
00124     static bool trackIsPlaying[NUM_CHANNELS];
00125 
00126     static void playPattern(const uint16_t* pattern, uint8_t channel);
00127     static void changeInstrumentSet(const uint16_t* const* instruments, uint8_t channel);
00128     static void updatePattern(uint8_t i);
00129     static void updatePattern();
00130     static void setPatternLooping(bool loop, uint8_t channel);
00131     static void stopPattern(uint8_t channel);
00132     static void stopPattern();
00133     static bool patternIsPlaying[NUM_CHANNELS];
00134 
00135     static void command(uint8_t cmd, uint8_t X, int8_t Y, uint8_t i);
00136     static void playNote(uint8_t pitch, uint8_t duration, uint8_t channel);
00137     static void updateNote();
00138     static void updateNote(uint8_t i);
00139     static void stopNote(uint8_t channel);
00140     static void stopNote();
00141 
00142     static uint8_t outputPitch[NUM_CHANNELS];
00143     static int8_t outputVolume[NUM_CHANNELS];
00144 
00145     static void setMasterVolume(uint8_t);
00146     static uint8_t GetMasterVolume();
00147     static void setVolume(int16_t volume);
00148     static uint16_t getVolume();
00149     static void setVolume(int8_t volume, uint8_t channel);
00150     static uint8_t getVolume(uint8_t channel);
00151 
00152     static void playOK();
00153     static void playCancel();
00154     static void playTick();
00155 
00156     static uint8_t prescaler;
00157 
00158     static void setChannelHalfPeriod(uint8_t channel, uint8_t halfPeriod);
00159 
00160     static void generateOutput(); //!\\ DO NOT USE
00161     static uint16_t globalVolume;
00162 
00163 
00164 #if (NUM_CHANNELS > 0)
00165     //tracks data
00166     static uint16_t *trackData[NUM_CHANNELS];
00167     static uint8_t trackCursor[NUM_CHANNELS];
00168     static uint16_t **patternSet[NUM_CHANNELS];
00169     static int8_t patternPitch[NUM_CHANNELS];
00170 
00171     // pattern data
00172     static uint16_t *patternData[NUM_CHANNELS];
00173     static uint16_t **instrumentSet[NUM_CHANNELS];
00174     static bool patternLooping[NUM_CHANNELS];
00175     static uint16_t patternCursor[NUM_CHANNELS];
00176 
00177     // note data
00178     static uint8_t notePitch[NUM_CHANNELS];
00179     static uint8_t noteDuration[NUM_CHANNELS];
00180     static int8_t noteVolume[NUM_CHANNELS];
00181     static bool notePlaying[NUM_CHANNELS];
00182 
00183     // commands data
00184     static int8_t commandsCounter[NUM_CHANNELS];
00185     static int8_t volumeSlideStepDuration[NUM_CHANNELS];
00186     static int8_t volumeSlideStepSize[NUM_CHANNELS];
00187     static uint8_t arpeggioStepDuration[NUM_CHANNELS];
00188     static int8_t arpeggioStepSize[NUM_CHANNELS];
00189     static uint8_t tremoloStepDuration[NUM_CHANNELS];
00190     static int8_t tremoloStepSize[NUM_CHANNELS];
00191 
00192 
00193     // instrument data
00194     static uint16_t *instrumentData[NUM_CHANNELS];
00195     static uint8_t instrumentLength[NUM_CHANNELS]; //number of steps in the instrument
00196     static uint8_t instrumentLooping[NUM_CHANNELS]; //how many steps to loop on when the last step of the instrument is reached
00197     static uint16_t instrumentCursor[NUM_CHANNELS]; //which step is being played
00198     static uint8_t instrumentNextChange[NUM_CHANNELS]; //how many frames before the next step
00199 
00200     //current step data
00201     static int8_t stepVolume[NUM_CHANNELS];
00202     static uint8_t stepPitch[NUM_CHANNELS];
00203 
00204     static uint8_t chanVolumes[NUM_CHANNELS];
00205 #endif
00206     static void updateOutput();
00207 };
00208 
00209 }
00210 
00211 #endif // POKITTOSOUND_H
00212 
00213 
00214 
00215 
00216