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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@31:f4b9b85c7b62, 2018-01-30 (annotated)

Committer:
Pokitto
Date:
Tue Jan 30 10:41:47 2018 +0000
Revision:
31:f4b9b85c7b62
Child:
66:6281a40d73e6
Sound output improvements added:  louder, clearer, faster!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 31:f4b9b85c7b62 1 /**************************************************************************/
Pokitto 31:f4b9b85c7b62 2 /*!
Pokitto 31:f4b9b85c7b62 3 @file Synth_songfuncs.cpp
Pokitto 31:f4b9b85c7b62 4 @author Jonne Valola
Pokitto 31:f4b9b85c7b62 5
Pokitto 31:f4b9b85c7b62 6 @section LICENSE
Pokitto 31:f4b9b85c7b62 7
Pokitto 31:f4b9b85c7b62 8 Software License Agreement (BSD License)
Pokitto 31:f4b9b85c7b62 9
Pokitto 31:f4b9b85c7b62 10 Copyright (c) 2016, Jonne Valola
Pokitto 31:f4b9b85c7b62 11 All rights reserved.
Pokitto 31:f4b9b85c7b62 12
Pokitto 31:f4b9b85c7b62 13 Redistribution and use in source and binary forms, with or without
Pokitto 31:f4b9b85c7b62 14 modification, are permitted provided that the following conditions are met:
Pokitto 31:f4b9b85c7b62 15 1. Redistributions of source code must retain the above copyright
Pokitto 31:f4b9b85c7b62 16 notice, this list of conditions and the following disclaimer.
Pokitto 31:f4b9b85c7b62 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 31:f4b9b85c7b62 18 notice, this list of conditions and the following disclaimer in the
Pokitto 31:f4b9b85c7b62 19 documentation and/or other materials provided with the distribution.
Pokitto 31:f4b9b85c7b62 20 3. Neither the name of the copyright holders nor the
Pokitto 31:f4b9b85c7b62 21 names of its contributors may be used to endorse or promote products
Pokitto 31:f4b9b85c7b62 22 derived from this software without specific prior written permission.
Pokitto 31:f4b9b85c7b62 23
Pokitto 31:f4b9b85c7b62 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 31:f4b9b85c7b62 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 31:f4b9b85c7b62 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 31:f4b9b85c7b62 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 31:f4b9b85c7b62 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 31:f4b9b85c7b62 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 31:f4b9b85c7b62 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 31:f4b9b85c7b62 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 31:f4b9b85c7b62 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 31:f4b9b85c7b62 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 31:f4b9b85c7b62 34 */
Pokitto 31:f4b9b85c7b62 35 /**************************************************************************/
Pokitto 31:f4b9b85c7b62 36
Pokitto 31:f4b9b85c7b62 37 #include "PokittoDisk.h"
Pokitto 31:f4b9b85c7b62 38 #include "Synth.h"
Pokitto 31:f4b9b85c7b62 39 #ifdef POK_SIM
Pokitto 31:f4b9b85c7b62 40 #include "FileIO.h"
Pokitto 31:f4b9b85c7b62 41 #endif
Pokitto 31:f4b9b85c7b62 42
Pokitto 31:f4b9b85c7b62 43 /** SONG FUNCTIONS **/
Pokitto 31:f4b9b85c7b62 44
Pokitto 31:f4b9b85c7b62 45 //uint8_t chunk1[CHUNKSIZE], chunk2[CHUNKSIZE]; // 8 rows, 3 channels (columns), 2 bytes per entry
Pokitto 31:f4b9b85c7b62 46 uint8_t chunk[2][CHUNKSIZE]; // 8 rows, 3 channels (columns), 2 bytes per entry
Pokitto 31:f4b9b85c7b62 47 uint8_t cc = 0;
Pokitto 31:f4b9b85c7b62 48
Pokitto 31:f4b9b85c7b62 49
Pokitto 31:f4b9b85c7b62 50 #if POK_ENABLE_SOUND > 0
Pokitto 31:f4b9b85c7b62 51 #if POK_ENABLE_SD > 0
Pokitto 31:f4b9b85c7b62 52 void updatePlaybackSD(uint8_t row) {
Pokitto 31:f4b9b85c7b62 53 // samplespertick determines how long the oscillators are active before they are recalculated (i.e. the next tick
Pokitto 31:f4b9b85c7b62 54 uint8_t i=0;
Pokitto 31:f4b9b85c7b62 55
Pokitto 31:f4b9b85c7b62 56 if (notetick > samplespertick ) {
Pokitto 31:f4b9b85c7b62 57 // TRACK 1
Pokitto 31:f4b9b85c7b62 58 //if (track1on) i = *song.instrument_stream[0];
Pokitto 31:f4b9b85c7b62 59 i = 0xF;
Pokitto 31:f4b9b85c7b62 60 if (track1on) i = chunk[cc][row+1]>>4;
Pokitto 31:f4b9b85c7b62 61 if (i!=0xF) {
Pokitto 31:f4b9b85c7b62 62 setOSC(&osc1,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 63 chunk[cc][row],patch[i].vol,
Pokitto 31:f4b9b85c7b62 64 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 65 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 66 }
Pokitto 31:f4b9b85c7b62 67 // TRACK 2
Pokitto 31:f4b9b85c7b62 68 //if (track2on) i = *song.instrument_stream[1];
Pokitto 31:f4b9b85c7b62 69 i = 0xF;
Pokitto 31:f4b9b85c7b62 70 if (track2on) i = chunk[cc][row+3]>>4;
Pokitto 31:f4b9b85c7b62 71 if (i!=0xF) {
Pokitto 31:f4b9b85c7b62 72 setOSC(&osc2,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 73 chunk[cc][row+2],patch[i].vol,
Pokitto 31:f4b9b85c7b62 74 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 75 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 76 }
Pokitto 31:f4b9b85c7b62 77 // TRACK 3
Pokitto 31:f4b9b85c7b62 78 i = 0xF;
Pokitto 31:f4b9b85c7b62 79 if (track3on) i = chunk[cc][row+5]>>4;
Pokitto 31:f4b9b85c7b62 80 if (i!=0xF) {
Pokitto 31:f4b9b85c7b62 81 setOSC(&osc3,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 82 chunk[cc][row]+4,patch[i].vol,
Pokitto 31:f4b9b85c7b62 83 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 84 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 85 }
Pokitto 31:f4b9b85c7b62 86 playerpos++;
Pokitto 31:f4b9b85c7b62 87 if (playerpos == PATTERNLENGTH) {
Pokitto 31:f4b9b85c7b62 88 // move to next song position
Pokitto 31:f4b9b85c7b62 89 playerpos = 0;
Pokitto 31:f4b9b85c7b62 90 /*sequencepos++;
Pokitto 31:f4b9b85c7b62 91 if (sequencepos > song.song_end) {
Pokitto 31:f4b9b85c7b62 92 if (song.song_loop == -1) {
Pokitto 31:f4b9b85c7b62 93 emptyOscillators();
Pokitto 31:f4b9b85c7b62 94 playing = false;
Pokitto 31:f4b9b85c7b62 95 sequencepos--;
Pokitto 31:f4b9b85c7b62 96 } else {
Pokitto 31:f4b9b85c7b62 97 sequencepos = song.song_loop;
Pokitto 31:f4b9b85c7b62 98 }
Pokitto 31:f4b9b85c7b62 99 }
Pokitto 31:f4b9b85c7b62 100 playerpos = 0;
Pokitto 31:f4b9b85c7b62 101 initStreams(sequencepos);
Pokitto 31:f4b9b85c7b62 102 tableRefresh=true;*/
Pokitto 31:f4b9b85c7b62 103 }
Pokitto 31:f4b9b85c7b62 104 notetick =0;
Pokitto 31:f4b9b85c7b62 105 }
Pokitto 31:f4b9b85c7b62 106 }
Pokitto 31:f4b9b85c7b62 107
Pokitto 31:f4b9b85c7b62 108 void updatePlayback() {
Pokitto 31:f4b9b85c7b62 109 // samplespertick determines how long the oscillators are active before they are recalculated (i.e. the next tick
Pokitto 31:f4b9b85c7b62 110 uint8_t i=0;
Pokitto 31:f4b9b85c7b62 111
Pokitto 31:f4b9b85c7b62 112 if (notetick > samplespertick ) {
Pokitto 31:f4b9b85c7b62 113 // TRACK 1
Pokitto 31:f4b9b85c7b62 114 if (track1on) i = *song.instrument_stream[0];
Pokitto 31:f4b9b85c7b62 115 else i = 0;
Pokitto 31:f4b9b85c7b62 116 if (i) {
Pokitto 31:f4b9b85c7b62 117 setOSC(&osc1,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 118 *song.note_stream[0],patch[i].vol,
Pokitto 31:f4b9b85c7b62 119 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 120 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 121 }
Pokitto 31:f4b9b85c7b62 122 // TRACK 2
Pokitto 31:f4b9b85c7b62 123 if (track2on) i = *song.instrument_stream[1];
Pokitto 31:f4b9b85c7b62 124 else i = 0;
Pokitto 31:f4b9b85c7b62 125 if (i) {
Pokitto 31:f4b9b85c7b62 126 setOSC(&osc2,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 127 *song.note_stream[1],patch[i].vol,
Pokitto 31:f4b9b85c7b62 128 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 129 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 130 }
Pokitto 31:f4b9b85c7b62 131 // TRACK 3
Pokitto 31:f4b9b85c7b62 132 if (track3on) i = *song.instrument_stream[2];
Pokitto 31:f4b9b85c7b62 133 else i = 0;
Pokitto 31:f4b9b85c7b62 134 if (i) {
Pokitto 31:f4b9b85c7b62 135 setOSC(&osc3,1,patch[i].wave,patch[i].loop, patch[i].echo, patch[i].adsr,
Pokitto 31:f4b9b85c7b62 136 *song.note_stream[2],patch[i].vol,
Pokitto 31:f4b9b85c7b62 137 patch[i].attack, patch[i].decay, patch[i].sustain,patch[i].release,
Pokitto 31:f4b9b85c7b62 138 patch[i].maxbend, patch[i].bendrate, patch[i].arpmode, patch[i].overdrive, patch[i].kick );
Pokitto 31:f4b9b85c7b62 139 }
Pokitto 31:f4b9b85c7b62 140 playerpos++;
Pokitto 31:f4b9b85c7b62 141 song.instrument_stream[0]++;
Pokitto 31:f4b9b85c7b62 142 song.note_stream[0]++;
Pokitto 31:f4b9b85c7b62 143 song.instrument_stream[1]++;
Pokitto 31:f4b9b85c7b62 144 song.note_stream[1]++;
Pokitto 31:f4b9b85c7b62 145 song.instrument_stream[2]++;
Pokitto 31:f4b9b85c7b62 146 song.note_stream[2]++;
Pokitto 31:f4b9b85c7b62 147 if (playerpos == PATTERNLENGTH) {
Pokitto 31:f4b9b85c7b62 148 // move to next song position
Pokitto 31:f4b9b85c7b62 149 sequencepos++;
Pokitto 31:f4b9b85c7b62 150 if (sequencepos > song.song_end) {
Pokitto 31:f4b9b85c7b62 151 if (song.song_loop == -1) {
Pokitto 31:f4b9b85c7b62 152 emptyOscillators();
Pokitto 31:f4b9b85c7b62 153 playing = false;
Pokitto 31:f4b9b85c7b62 154 sequencepos--;
Pokitto 31:f4b9b85c7b62 155 } else {
Pokitto 31:f4b9b85c7b62 156 sequencepos = song.song_loop;
Pokitto 31:f4b9b85c7b62 157 }
Pokitto 31:f4b9b85c7b62 158 }
Pokitto 31:f4b9b85c7b62 159 playerpos = 0;
Pokitto 31:f4b9b85c7b62 160 initStreams(sequencepos);
Pokitto 31:f4b9b85c7b62 161 tableRefresh=true;
Pokitto 31:f4b9b85c7b62 162 }
Pokitto 31:f4b9b85c7b62 163 notetick =0;
Pokitto 31:f4b9b85c7b62 164 }
Pokitto 31:f4b9b85c7b62 165 }
Pokitto 31:f4b9b85c7b62 166
Pokitto 31:f4b9b85c7b62 167 void emptyPatches(){
Pokitto 31:f4b9b85c7b62 168 for (int i=0; i<16; i++) {
Pokitto 31:f4b9b85c7b62 169 patch[i].vol = 127;
Pokitto 31:f4b9b85c7b62 170 patch[i].on = true; patch[i].wave = 1; patch[i].echo = 0; patch[i].count = 0; patch[i].cinc =0;
Pokitto 31:f4b9b85c7b62 171 patch[i].attack = 0; patch[i].loop = 0; patch[i].adsrphase = 0; patch[i].adsr = 0; patch[i].decay = 20;
Pokitto 31:f4b9b85c7b62 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 31:f4b9b85c7b62 173 }
Pokitto 31:f4b9b85c7b62 174 }
Pokitto 31:f4b9b85c7b62 175
Pokitto 31:f4b9b85c7b62 176 void emptyBlocks(){
Pokitto 31:f4b9b85c7b62 177 for (int i=0; i<MAXBLOCKS; i++) {
Pokitto 31:f4b9b85c7b62 178 for (int j = 0; j < PATTERNLENGTH; j++) {
Pokitto 31:f4b9b85c7b62 179 block[i].instrument[j] = 0;
Pokitto 31:f4b9b85c7b62 180 block[i].notenumber[j] = 255;
Pokitto 31:f4b9b85c7b62 181 }
Pokitto 31:f4b9b85c7b62 182 }
Pokitto 31:f4b9b85c7b62 183 }
Pokitto 31:f4b9b85c7b62 184
Pokitto 31:f4b9b85c7b62 185 void initStreams(uint8_t seqpos){
Pokitto 31:f4b9b85c7b62 186 uint8_t blocknum;
Pokitto 31:f4b9b85c7b62 187 // retarget pointers for track 1
Pokitto 31:f4b9b85c7b62 188 // byte = pgm_read_byte(&(mydata[i][j]));
Pokitto 31:f4b9b85c7b62 189 blocknum=song.block_sequence[0][seqpos];
Pokitto 31:f4b9b85c7b62 190 //blocknum=pgm_read_byte(Song+SONG_SEQUENCE+seqpos);
Pokitto 31:f4b9b85c7b62 191 song.instrument_stream[0]=&block[blocknum].instrument[0];
Pokitto 31:f4b9b85c7b62 192 song.note_stream[0]=&block[blocknum].notenumber[0];
Pokitto 31:f4b9b85c7b62 193 // retarget pointers for track 2
Pokitto 31:f4b9b85c7b62 194 blocknum=song.block_sequence[1][seqpos];
Pokitto 31:f4b9b85c7b62 195 song.instrument_stream[1]=&block[blocknum].instrument[0];
Pokitto 31:f4b9b85c7b62 196 song.note_stream[1]=&block[blocknum].notenumber[0];
Pokitto 31:f4b9b85c7b62 197 // retarget pointers for track 3
Pokitto 31:f4b9b85c7b62 198 blocknum=song.block_sequence[2][seqpos];
Pokitto 31:f4b9b85c7b62 199 song.instrument_stream[2]=&block[blocknum].instrument[0];
Pokitto 31:f4b9b85c7b62 200 song.note_stream[2]=&block[blocknum].notenumber[0];
Pokitto 31:f4b9b85c7b62 201 }
Pokitto 31:f4b9b85c7b62 202
Pokitto 31:f4b9b85c7b62 203 void emptySong(){
Pokitto 31:f4b9b85c7b62 204 song.num_channels = 3;
Pokitto 31:f4b9b85c7b62 205 song.num_patches = 1;
Pokitto 31:f4b9b85c7b62 206 song.song_bpm = 120;
Pokitto 31:f4b9b85c7b62 207 song.num_patterns = 1;
Pokitto 31:f4b9b85c7b62 208 song.song_end = 0;
Pokitto 31:f4b9b85c7b62 209 song.song_loop = 0; // loop back to start
Pokitto 31:f4b9b85c7b62 210 song.rb_version = RBTRACKER_VERSION;
Pokitto 31:f4b9b85c7b62 211 for (uint8_t i = 0; i<10; i++) {
Pokitto 31:f4b9b85c7b62 212 song.block_sequence[0][i]=i*3; // track 1
Pokitto 31:f4b9b85c7b62 213 song.block_sequence[1][i]=i*3+1; // track 2
Pokitto 31:f4b9b85c7b62 214 song.block_sequence[2][i]=i*3+2; // track 3
Pokitto 31:f4b9b85c7b62 215 }
Pokitto 31:f4b9b85c7b62 216 song.instrument_stream[0] = &block[0].instrument[0];
Pokitto 31:f4b9b85c7b62 217 song.note_stream[0] = &block[0].notenumber[0];
Pokitto 31:f4b9b85c7b62 218 song.instrument_stream[1] = &block[1].instrument[0];
Pokitto 31:f4b9b85c7b62 219 song.note_stream[1] = &block[1].notenumber[0];
Pokitto 31:f4b9b85c7b62 220 song.instrument_stream[2] = &block[2].instrument[0];
Pokitto 31:f4b9b85c7b62 221 song.note_stream[2] = &block[2].notenumber[0];
Pokitto 31:f4b9b85c7b62 222 sequencepos = 0;
Pokitto 31:f4b9b85c7b62 223 }
Pokitto 31:f4b9b85c7b62 224
Pokitto 31:f4b9b85c7b62 225 int openSongFromSD(char* buffer) {
Pokitto 31:f4b9b85c7b62 226 if (!isThisFileOpen(buffer)) {
Pokitto 31:f4b9b85c7b62 227 fileClose(); // close any open files
Pokitto 31:f4b9b85c7b62 228 fileOpen(buffer,FILE_MODE_OVERWRITE | FILE_MODE_BINARY);
Pokitto 31:f4b9b85c7b62 229 }
Pokitto 31:f4b9b85c7b62 230 return isThisFileOpen(buffer);
Pokitto 31:f4b9b85c7b62 231 }
Pokitto 31:f4b9b85c7b62 232
Pokitto 31:f4b9b85c7b62 233 void writeChunkToSD(uint8_t* buffer) {
Pokitto 31:f4b9b85c7b62 234 if (fileOK()) {
Pokitto 31:f4b9b85c7b62 235 fileWriteBytes(buffer, CHUNKSIZE);
Pokitto 31:f4b9b85c7b62 236 }
Pokitto 31:f4b9b85c7b62 237 }
Pokitto 31:f4b9b85c7b62 238
Pokitto 31:f4b9b85c7b62 239 void readChunkFromSD(uint8_t* buffer) {
Pokitto 31:f4b9b85c7b62 240 if (fileOK()) {
Pokitto 31:f4b9b85c7b62 241 fileReadBytes(buffer, CHUNKSIZE);
Pokitto 31:f4b9b85c7b62 242 }
Pokitto 31:f4b9b85c7b62 243 }
Pokitto 31:f4b9b85c7b62 244 #endif
Pokitto 31:f4b9b85c7b62 245 #endif // POK_ENABLE_SOUND
Pokitto 31:f4b9b85c7b62 246
Pokitto 31:f4b9b85c7b62 247