Jonne Valola / PokittoLib Featured

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

Dependents:   YATTT sd_map_test cPong SnowDemo ... more

PokittoLib

Library for programming Pokitto hardware

How to Use

  1. Import this library to online compiler (see button "import" on the right hand side
  2. DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
  3. Change My_settings.h according to your project
  4. Start coding!

POKITTO_LIBS/Synth/Synth_songfuncs.cpp@0:e8b8f36b4505, 2017-09-18 (annotated)

Committer:
Pokitto
Date:
Mon Sep 18 11:47:51 2017 +0000
Revision:
0:e8b8f36b4505
Initial;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 0:e8b8f36b4505 1 /**************************************************************************/
Pokitto 0:e8b8f36b4505 2 /*!
Pokitto 0:e8b8f36b4505 3 @file Synth_songfuncs.cpp
Pokitto 0:e8b8f36b4505 4 @author Jonne Valola
Pokitto 0:e8b8f36b4505 5
Pokitto 0:e8b8f36b4505 6 @section LICENSE
Pokitto 0:e8b8f36b4505 7
Pokitto 0:e8b8f36b4505 8 Software License Agreement (BSD License)
Pokitto 0:e8b8f36b4505 9
Pokitto 0:e8b8f36b4505 10 Copyright (c) 2016, Jonne Valola
Pokitto 0:e8b8f36b4505 11 All rights reserved.
Pokitto 0:e8b8f36b4505 12
Pokitto 0:e8b8f36b4505 13 Redistribution and use in source and binary forms, with or without
Pokitto 0:e8b8f36b4505 14 modification, are permitted provided that the following conditions are met:
Pokitto 0:e8b8f36b4505 15 1. Redistributions of source code must retain the above copyright
Pokitto 0:e8b8f36b4505 16 notice, this list of conditions and the following disclaimer.
Pokitto 0:e8b8f36b4505 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 0:e8b8f36b4505 18 notice, this list of conditions and the following disclaimer in the
Pokitto 0:e8b8f36b4505 19 documentation and/or other materials provided with the distribution.
Pokitto 0:e8b8f36b4505 20 3. Neither the name of the copyright holders nor the
Pokitto 0:e8b8f36b4505 21 names of its contributors may be used to endorse or promote products
Pokitto 0:e8b8f36b4505 22 derived from this software without specific prior written permission.
Pokitto 0:e8b8f36b4505 23
Pokitto 0:e8b8f36b4505 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 0:e8b8f36b4505 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 0:e8b8f36b4505 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 0:e8b8f36b4505 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 0:e8b8f36b4505 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 0:e8b8f36b4505 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 0:e8b8f36b4505 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 0:e8b8f36b4505 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 0:e8b8f36b4505 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 0:e8b8f36b4505 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 0:e8b8f36b4505 34 */
Pokitto 0:e8b8f36b4505 35 /**************************************************************************/
Pokitto 0:e8b8f36b4505 36
Pokitto 0:e8b8f36b4505 37 #include "PokittoDisk.h"
Pokitto 0:e8b8f36b4505 38 #include "Synth.h"
Pokitto 0:e8b8f36b4505 39 #ifdef POK_SIM
Pokitto 0:e8b8f36b4505 40 #include "FileIO.h"
Pokitto 0:e8b8f36b4505 41 #endif
Pokitto 0:e8b8f36b4505 42
Pokitto 0:e8b8f36b4505 43 /** SONG FUNCTIONS **/
Pokitto 0:e8b8f36b4505 44
Pokitto 0:e8b8f36b4505 45 //uint8_t chunk1[CHUNKSIZE], chunk2[CHUNKSIZE]; // 8 rows, 3 channels (columns), 2 bytes per entry
Pokitto 0:e8b8f36b4505 46 uint8_t chunk[2][CHUNKSIZE]; // 8 rows, 3 channels (columns), 2 bytes per entry
Pokitto 0:e8b8f36b4505 47 uint8_t cc = 0;
Pokitto 0:e8b8f36b4505 48
Pokitto 0:e8b8f36b4505 49
Pokitto 0:e8b8f36b4505 50 #if POK_ENABLE_SOUND > 0
Pokitto 0:e8b8f36b4505 51 #if POK_ENABLE_SD > 0
Pokitto 0:e8b8f36b4505 52 void updatePlaybackSD(uint8_t row) {
Pokitto 0:e8b8f36b4505 53 // samplespertick determines how long the oscillators are active before they are recalculated (i.e. the next tick
Pokitto 0:e8b8f36b4505 54 uint8_t i=0;
Pokitto 0:e8b8f36b4505 55
Pokitto 0:e8b8f36b4505 56 if (notetick > samplespertick ) {
Pokitto 0:e8b8f36b4505 57 // TRACK 1
Pokitto 0:e8b8f36b4505 58 //if (track1on) i = *song.instrument_stream[0];
Pokitto 0:e8b8f36b4505 59 i = 0xF;
Pokitto 0:e8b8f36b4505 60 if (track1on) i = chunk[cc][row+1]>>4;
Pokitto 0:e8b8f36b4505 61 if (i!=0xF) {
Pokitto 0:e8b8f36b4505 62 setOSC(&osc1,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 63 chunk[cc][row],patch[i].vol,
Pokitto 0:e8b8f36b4505 64 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 65 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 66 }
Pokitto 0:e8b8f36b4505 67 // TRACK 2
Pokitto 0:e8b8f36b4505 68 //if (track2on) i = *song.instrument_stream[1];
Pokitto 0:e8b8f36b4505 69 i = 0xF;
Pokitto 0:e8b8f36b4505 70 if (track2on) i = chunk[cc][row+3]>>4;
Pokitto 0:e8b8f36b4505 71 if (i!=0xF) {
Pokitto 0:e8b8f36b4505 72 setOSC(&osc2,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 73 chunk[cc][row+2],patch[i].vol,
Pokitto 0:e8b8f36b4505 74 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 75 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 76 }
Pokitto 0:e8b8f36b4505 77 // TRACK 3
Pokitto 0:e8b8f36b4505 78 i = 0xF;
Pokitto 0:e8b8f36b4505 79 if (track3on) i = chunk[cc][row+5]>>4;
Pokitto 0:e8b8f36b4505 80 if (i!=0xF) {
Pokitto 0:e8b8f36b4505 81 setOSC(&osc3,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 82 chunk[cc][row]+4,patch[i].vol,
Pokitto 0:e8b8f36b4505 83 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 84 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 85 }
Pokitto 0:e8b8f36b4505 86 playerpos++;
Pokitto 0:e8b8f36b4505 87 if (playerpos == PATTERNLENGTH) {
Pokitto 0:e8b8f36b4505 88 // move to next song position
Pokitto 0:e8b8f36b4505 89 playerpos = 0;
Pokitto 0:e8b8f36b4505 90 /*sequencepos++;
Pokitto 0:e8b8f36b4505 91 if (sequencepos > song.song_end) {
Pokitto 0:e8b8f36b4505 92 if (song.song_loop == -1) {
Pokitto 0:e8b8f36b4505 93 emptyOscillators();
Pokitto 0:e8b8f36b4505 94 playing = false;
Pokitto 0:e8b8f36b4505 95 sequencepos--;
Pokitto 0:e8b8f36b4505 96 } else {
Pokitto 0:e8b8f36b4505 97 sequencepos = song.song_loop;
Pokitto 0:e8b8f36b4505 98 }
Pokitto 0:e8b8f36b4505 99 }
Pokitto 0:e8b8f36b4505 100 playerpos = 0;
Pokitto 0:e8b8f36b4505 101 initStreams(sequencepos);
Pokitto 0:e8b8f36b4505 102 tableRefresh=true;*/
Pokitto 0:e8b8f36b4505 103 }
Pokitto 0:e8b8f36b4505 104 notetick =0;
Pokitto 0:e8b8f36b4505 105 }
Pokitto 0:e8b8f36b4505 106 }
Pokitto 0:e8b8f36b4505 107
Pokitto 0:e8b8f36b4505 108 void updatePlayback() {
Pokitto 0:e8b8f36b4505 109 // samplespertick determines how long the oscillators are active before they are recalculated (i.e. the next tick
Pokitto 0:e8b8f36b4505 110 uint8_t i=0;
Pokitto 0:e8b8f36b4505 111
Pokitto 0:e8b8f36b4505 112 if (notetick > samplespertick ) {
Pokitto 0:e8b8f36b4505 113 // TRACK 1
Pokitto 0:e8b8f36b4505 114 if (track1on) i = *song.instrument_stream[0];
Pokitto 0:e8b8f36b4505 115 else i = 0;
Pokitto 0:e8b8f36b4505 116 if (i) {
Pokitto 0:e8b8f36b4505 117 setOSC(&osc1,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 118 *song.note_stream[0],patch[i].vol,
Pokitto 0:e8b8f36b4505 119 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 120 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 121 }
Pokitto 0:e8b8f36b4505 122 // TRACK 2
Pokitto 0:e8b8f36b4505 123 if (track2on) i = *song.instrument_stream[1];
Pokitto 0:e8b8f36b4505 124 else i = 0;
Pokitto 0:e8b8f36b4505 125 if (i) {
Pokitto 0:e8b8f36b4505 126 setOSC(&osc2,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 127 *song.note_stream[1],patch[i].vol,
Pokitto 0:e8b8f36b4505 128 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 129 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 130 }
Pokitto 0:e8b8f36b4505 131 // TRACK 3
Pokitto 0:e8b8f36b4505 132 if (track3on) i = *song.instrument_stream[2];
Pokitto 0:e8b8f36b4505 133 else i = 0;
Pokitto 0:e8b8f36b4505 134 if (i) {
Pokitto 0:e8b8f36b4505 135 setOSC(&osc3,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 0:e8b8f36b4505 136 *song.note_stream[2],patch[i].vol,
Pokitto 0:e8b8f36b4505 137 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 0:e8b8f36b4505 138 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 0:e8b8f36b4505 139 }
Pokitto 0:e8b8f36b4505 140 playerpos++;
Pokitto 0:e8b8f36b4505 141 song.instrument_stream[0]++;
Pokitto 0:e8b8f36b4505 142 song.note_stream[0]++;
Pokitto 0:e8b8f36b4505 143 song.instrument_stream[1]++;
Pokitto 0:e8b8f36b4505 144 song.note_stream[1]++;
Pokitto 0:e8b8f36b4505 145 song.instrument_stream[2]++;
Pokitto 0:e8b8f36b4505 146 song.note_stream[2]++;
Pokitto 0:e8b8f36b4505 147 if (playerpos == PATTERNLENGTH) {
Pokitto 0:e8b8f36b4505 148 // move to next song position
Pokitto 0:e8b8f36b4505 149 sequencepos++;
Pokitto 0:e8b8f36b4505 150 if (sequencepos > song.song_end) {
Pokitto 0:e8b8f36b4505 151 if (song.song_loop == -1) {
Pokitto 0:e8b8f36b4505 152 emptyOscillators();
Pokitto 0:e8b8f36b4505 153 playing = false;
Pokitto 0:e8b8f36b4505 154 sequencepos--;
Pokitto 0:e8b8f36b4505 155 } else {
Pokitto 0:e8b8f36b4505 156 sequencepos = song.song_loop;
Pokitto 0:e8b8f36b4505 157 }
Pokitto 0:e8b8f36b4505 158 }
Pokitto 0:e8b8f36b4505 159 playerpos = 0;
Pokitto 0:e8b8f36b4505 160 initStreams(sequencepos);
Pokitto 0:e8b8f36b4505 161 tableRefresh=true;
Pokitto 0:e8b8f36b4505 162 }
Pokitto 0:e8b8f36b4505 163 notetick =0;
Pokitto 0:e8b8f36b4505 164 }
Pokitto 0:e8b8f36b4505 165 }
Pokitto 0:e8b8f36b4505 166
Pokitto 0:e8b8f36b4505 167 void emptyPatches(){
Pokitto 0:e8b8f36b4505 168 for (int i=0; i<16; i++) {
Pokitto 0:e8b8f36b4505 169 patch[i].vol = 127;
Pokitto 0:e8b8f36b4505 170 patch[i].on = true; patch[i].wave = 1; patch[i].echo = 0; patch[i].count = 0; patch[i].cinc =0;
Pokitto 0:e8b8f36b4505 171 patch[i].attack = 0; patch[i].loop = 0; patch[i].adsrphase = 0; patch[i].adsr = 0; patch[i].decay = 20;
Pokitto 0:e8b8f36b4505 172 patch[i].pitchbend = 0; patch[i].bendrate = 0; patch[i].maxbend = 0; patch[i].sustain = 0; patch[i].release = 0, patch[i].overdrive = 0, patch[i].kick = 0;
Pokitto 0:e8b8f36b4505 173 }
Pokitto 0:e8b8f36b4505 174 }
Pokitto 0:e8b8f36b4505 175
Pokitto 0:e8b8f36b4505 176 void emptyBlocks(){
Pokitto 0:e8b8f36b4505 177 for (int i=0; i<MAXBLOCKS; i++) {
Pokitto 0:e8b8f36b4505 178 for (int j = 0; j < PATTERNLENGTH; j++) {
Pokitto 0:e8b8f36b4505 179 block[i].instrument[j] = 0;
Pokitto 0:e8b8f36b4505 180 block[i].notenumber[j] = 255;
Pokitto 0:e8b8f36b4505 181 }
Pokitto 0:e8b8f36b4505 182 }
Pokitto 0:e8b8f36b4505 183 }
Pokitto 0:e8b8f36b4505 184
Pokitto 0:e8b8f36b4505 185 void initStreams(uint8_t seqpos){
Pokitto 0:e8b8f36b4505 186 uint8_t blocknum;
Pokitto 0:e8b8f36b4505 187 // retarget pointers for track 1
Pokitto 0:e8b8f36b4505 188 // byte = pgm_read_byte(&(mydata[i][j]));
Pokitto 0:e8b8f36b4505 189 blocknum=song.block_sequence[0][seqpos];
Pokitto 0:e8b8f36b4505 190 //blocknum=pgm_read_byte(Song+SONG_SEQUENCE+seqpos);
Pokitto 0:e8b8f36b4505 191 song.instrument_stream[0]=&block[blocknum].instrument[0];
Pokitto 0:e8b8f36b4505 192 song.note_stream[0]=&block[blocknum].notenumber[0];
Pokitto 0:e8b8f36b4505 193 // retarget pointers for track 2
Pokitto 0:e8b8f36b4505 194 blocknum=song.block_sequence[1][seqpos];
Pokitto 0:e8b8f36b4505 195 song.instrument_stream[1]=&block[blocknum].instrument[0];
Pokitto 0:e8b8f36b4505 196 song.note_stream[1]=&block[blocknum].notenumber[0];
Pokitto 0:e8b8f36b4505 197 // retarget pointers for track 3
Pokitto 0:e8b8f36b4505 198 blocknum=song.block_sequence[2][seqpos];
Pokitto 0:e8b8f36b4505 199 song.instrument_stream[2]=&block[blocknum].instrument[0];
Pokitto 0:e8b8f36b4505 200 song.note_stream[2]=&block[blocknum].notenumber[0];
Pokitto 0:e8b8f36b4505 201 }
Pokitto 0:e8b8f36b4505 202
Pokitto 0:e8b8f36b4505 203 void emptySong(){
Pokitto 0:e8b8f36b4505 204 song.num_channels = 3;
Pokitto 0:e8b8f36b4505 205 song.num_patches = 1;
Pokitto 0:e8b8f36b4505 206 song.song_bpm = 120;
Pokitto 0:e8b8f36b4505 207 song.num_patterns = 1;
Pokitto 0:e8b8f36b4505 208 song.song_end = 0;
Pokitto 0:e8b8f36b4505 209 song.song_loop = 0; // loop back to start
Pokitto 0:e8b8f36b4505 210 song.rb_version = RBTRACKER_VERSION;
Pokitto 0:e8b8f36b4505 211 for (uint8_t i = 0; i<10; i++) {
Pokitto 0:e8b8f36b4505 212 song.block_sequence[0][i]=i*3; // track 1
Pokitto 0:e8b8f36b4505 213 song.block_sequence[1][i]=i*3+1; // track 2
Pokitto 0:e8b8f36b4505 214 song.block_sequence[2][i]=i*3+2; // track 3
Pokitto 0:e8b8f36b4505 215 }
Pokitto 0:e8b8f36b4505 216 song.instrument_stream[0] = &block[0].instrument[0];
Pokitto 0:e8b8f36b4505 217 song.note_stream[0] = &block[0].notenumber[0];
Pokitto 0:e8b8f36b4505 218 song.instrument_stream[1] = &block[1].instrument[0];
Pokitto 0:e8b8f36b4505 219 song.note_stream[1] = &block[1].notenumber[0];
Pokitto 0:e8b8f36b4505 220 song.instrument_stream[2] = &block[2].instrument[0];
Pokitto 0:e8b8f36b4505 221 song.note_stream[2] = &block[2].notenumber[0];
Pokitto 0:e8b8f36b4505 222 sequencepos = 0;
Pokitto 0:e8b8f36b4505 223 }
Pokitto 0:e8b8f36b4505 224
Pokitto 0:e8b8f36b4505 225 int openSongFromSD(char* buffer) {
Pokitto 0:e8b8f36b4505 226 if (!isThisFileOpen(buffer)) {
Pokitto 0:e8b8f36b4505 227 fileClose(); // close any open files
Pokitto 0:e8b8f36b4505 228 fileOpen(buffer,FILE_MODE_OVERWRITE | FILE_MODE_BINARY);
Pokitto 0:e8b8f36b4505 229 }
Pokitto 0:e8b8f36b4505 230 return isThisFileOpen(buffer);
Pokitto 0:e8b8f36b4505 231 }
Pokitto 0:e8b8f36b4505 232
Pokitto 0:e8b8f36b4505 233 void writeChunkToSD(uint8_t* buffer) {
Pokitto 0:e8b8f36b4505 234 if (fileOK()) {
Pokitto 0:e8b8f36b4505 235 fileWriteBytes(buffer, CHUNKSIZE);
Pokitto 0:e8b8f36b4505 236 }
Pokitto 0:e8b8f36b4505 237 }
Pokitto 0:e8b8f36b4505 238
Pokitto 0:e8b8f36b4505 239 void readChunkFromSD(uint8_t* buffer) {
Pokitto 0:e8b8f36b4505 240 if (fileOK()) {
Pokitto 0:e8b8f36b4505 241 fileReadBytes(buffer, CHUNKSIZE);
Pokitto 0:e8b8f36b4505 242 }
Pokitto 0:e8b8f36b4505 243 }
Pokitto 0:e8b8f36b4505 244 #endif
Pokitto 0:e8b8f36b4505 245 #endif // POK_ENABLE_SOUND
Pokitto 0:e8b8f36b4505 246