spinal cord / PokittoLib_

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

POKITTO_CORE/PokittoSound.cpp@24:9561281d0378, 2017-12-29 (annotated)

Committer:
Pokitto
Date:
Fri Dec 29 05:17:38 2017 +0000
Revision:
24:9561281d0378
PokittoLib synced with Github and all Spianl & Hanski contributions so far

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 24:9561281d0378 1 /**************************************************************************/
Pokitto 24:9561281d0378 2 /*!
Pokitto 24:9561281d0378 3 @file PokittoSound.cpp
Pokitto 24:9561281d0378 4 @author Jonne Valola
Pokitto 24:9561281d0378 5
Pokitto 24:9561281d0378 6 @section LICENSE
Pokitto 24:9561281d0378 7
Pokitto 24:9561281d0378 8 Software License Agreement (BSD License)
Pokitto 24:9561281d0378 9
Pokitto 24:9561281d0378 10 Copyright (c) 2016, Jonne Valola
Pokitto 24:9561281d0378 11 All rights reserved.
Pokitto 24:9561281d0378 12
Pokitto 24:9561281d0378 13 Redistribution and use in source and binary forms, with or without
Pokitto 24:9561281d0378 14 modification, are permitted provided that the following conditions are met:
Pokitto 24:9561281d0378 15 1. Redistributions of source code must retain the above copyright
Pokitto 24:9561281d0378 16 notice, this list of conditions and the following disclaimer.
Pokitto 24:9561281d0378 17 2. Redistributions in binary form must reproduce the above copyright
Pokitto 24:9561281d0378 18 notice, this list of conditions and the following disclaimer in the
Pokitto 24:9561281d0378 19 documentation and/or other materials provided with the distribution.
Pokitto 24:9561281d0378 20 3. Neither the name of the copyright holders nor the
Pokitto 24:9561281d0378 21 names of its contributors may be used to endorse or promote products
Pokitto 24:9561281d0378 22 derived from this software without specific prior written permission.
Pokitto 24:9561281d0378 23
Pokitto 24:9561281d0378 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
Pokitto 24:9561281d0378 25 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pokitto 24:9561281d0378 26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pokitto 24:9561281d0378 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
Pokitto 24:9561281d0378 28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Pokitto 24:9561281d0378 29 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Pokitto 24:9561281d0378 30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
Pokitto 24:9561281d0378 31 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Pokitto 24:9561281d0378 32 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Pokitto 24:9561281d0378 33 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pokitto 24:9561281d0378 34 */
Pokitto 24:9561281d0378 35 /**************************************************************************/
Pokitto 24:9561281d0378 36
Pokitto 24:9561281d0378 37 /*
Pokitto 24:9561281d0378 38 * NOTE:
Pokitto 24:9561281d0378 39 * API of the Pokitto Sound library is partially identical to the Gamebuino Sound API.
Pokitto 24:9561281d0378 40 * Due to the difference in architecture (ARM Cortex-M0+ in mbed environment vs. 8-bit AVR)
Pokitto 24:9561281d0378 41 * large parts are not identical. Most functions were rewritten, with only API remaining.
Pokitto 24:9561281d0378 42 * We want to give attribution to the original author's project:
Pokitto 24:9561281d0378 43 *
Pokitto 24:9561281d0378 44 * License for Gamebuino-identical code:
Pokitto 24:9561281d0378 45 *
Pokitto 24:9561281d0378 46 * (C) Copyright 2014 Aur�lien Rodot. All rights reserved.
Pokitto 24:9561281d0378 47 *
Pokitto 24:9561281d0378 48 * This file is part of the Gamebuino Library (http://gamebuino.com)
Pokitto 24:9561281d0378 49 *
Pokitto 24:9561281d0378 50 * The Gamebuino Library is free software: you can redistribute it and/or modify
Pokitto 24:9561281d0378 51 * it under the terms of the GNU Lesser General Public License as published by
Pokitto 24:9561281d0378 52 * the Free Software Foundation, either version 3 of the License, or
Pokitto 24:9561281d0378 53 * (at your option) any later version.
Pokitto 24:9561281d0378 54 *
Pokitto 24:9561281d0378 55 * This program is distributed in the hope that it will be useful,
Pokitto 24:9561281d0378 56 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Pokitto 24:9561281d0378 57 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Pokitto 24:9561281d0378 58 * GNU Lesser General Public License for more details.
Pokitto 24:9561281d0378 59 *
Pokitto 24:9561281d0378 60 * You should have received a copy of the GNU Lesser General Public License
Pokitto 24:9561281d0378 61 * along with this program. If not, see <http://www.gnu.org/licenses/>
Pokitto 24:9561281d0378 62 */
Pokitto 24:9561281d0378 63
Pokitto 24:9561281d0378 64 #include "PokittoSound.h"
Pokitto 24:9561281d0378 65 #include "Pokitto_settings.h"
Pokitto 24:9561281d0378 66 #include "PokittoCore.h"
Pokitto 24:9561281d0378 67 #include "Synth.h"
Pokitto 24:9561281d0378 68
Pokitto 24:9561281d0378 69 #ifndef POK_SIM
Pokitto 24:9561281d0378 70 #include "HWSound.h"
Pokitto 24:9561281d0378 71 #else
Pokitto 24:9561281d0378 72 #include "SimSound.h"
Pokitto 24:9561281d0378 73 #include "PokittoSimulator.h"
Pokitto 24:9561281d0378 74 #endif
Pokitto 24:9561281d0378 75
Pokitto 24:9561281d0378 76 typedef uint8_t byte;
Pokitto 24:9561281d0378 77
Pokitto 24:9561281d0378 78 using namespace Pokitto;
Pokitto 24:9561281d0378 79
Pokitto 24:9561281d0378 80 Pokitto::Core _soundc;
Pokitto 24:9561281d0378 81
Pokitto 24:9561281d0378 82 uint8_t Sound::prescaler;
Pokitto 24:9561281d0378 83 uint16_t Sound::globalVolume;
Pokitto 24:9561281d0378 84 uint16_t Sound::volumeMax = VOLUME_HEADPHONE_MAX;
Pokitto 24:9561281d0378 85
Pokitto 24:9561281d0378 86 bool Sound::trackIsPlaying[NUM_CHANNELS];
Pokitto 24:9561281d0378 87 bool Sound::patternIsPlaying[NUM_CHANNELS];
Pokitto 24:9561281d0378 88 uint8_t Sound::outputPitch[NUM_CHANNELS];
Pokitto 24:9561281d0378 89 int8_t Sound::outputVolume[NUM_CHANNELS];
Pokitto 24:9561281d0378 90
Pokitto 24:9561281d0378 91 uint16_t *Sound::trackData[NUM_CHANNELS];
Pokitto 24:9561281d0378 92 uint8_t Sound::trackCursor[NUM_CHANNELS];
Pokitto 24:9561281d0378 93 uint16_t **Sound::patternSet[NUM_CHANNELS];
Pokitto 24:9561281d0378 94 int8_t Sound::patternPitch[NUM_CHANNELS];
Pokitto 24:9561281d0378 95
Pokitto 24:9561281d0378 96 // pattern data
Pokitto 24:9561281d0378 97 uint16_t *Sound::patternData[NUM_CHANNELS];
Pokitto 24:9561281d0378 98 uint16_t **Sound::instrumentSet[NUM_CHANNELS];
Pokitto 24:9561281d0378 99 bool Sound::patternLooping[NUM_CHANNELS];
Pokitto 24:9561281d0378 100 uint16_t Sound::patternCursor[NUM_CHANNELS];
Pokitto 24:9561281d0378 101
Pokitto 24:9561281d0378 102 // note data
Pokitto 24:9561281d0378 103 uint8_t Sound::notePitch[NUM_CHANNELS];
Pokitto 24:9561281d0378 104 uint8_t Sound::noteDuration[NUM_CHANNELS];
Pokitto 24:9561281d0378 105 int8_t Sound::noteVolume[NUM_CHANNELS];
Pokitto 24:9561281d0378 106 bool Sound::notePlaying[NUM_CHANNELS];
Pokitto 24:9561281d0378 107
Pokitto 24:9561281d0378 108 // commands data
Pokitto 24:9561281d0378 109 int8_t Sound::commandsCounter[NUM_CHANNELS];
Pokitto 24:9561281d0378 110 int8_t Sound::volumeSlideStepDuration[NUM_CHANNELS];
Pokitto 24:9561281d0378 111 int8_t Sound::volumeSlideStepSize[NUM_CHANNELS];
Pokitto 24:9561281d0378 112 uint8_t Sound::arpeggioStepDuration[NUM_CHANNELS];
Pokitto 24:9561281d0378 113 int8_t Sound::arpeggioStepSize[NUM_CHANNELS];
Pokitto 24:9561281d0378 114 uint8_t Sound::tremoloStepDuration[NUM_CHANNELS];
Pokitto 24:9561281d0378 115 int8_t Sound::tremoloStepSize[NUM_CHANNELS];
Pokitto 24:9561281d0378 116
Pokitto 24:9561281d0378 117 // instrument data
Pokitto 24:9561281d0378 118 uint16_t *Sound::instrumentData[NUM_CHANNELS];
Pokitto 24:9561281d0378 119 uint8_t Sound::instrumentLength[NUM_CHANNELS]; //number of steps in the instrument
Pokitto 24:9561281d0378 120 uint8_t Sound::instrumentLooping[NUM_CHANNELS]; //how many steps to loop on when the last step of the instrument is reached
Pokitto 24:9561281d0378 121 uint16_t Sound::instrumentCursor[NUM_CHANNELS]; //which step is being played
Pokitto 24:9561281d0378 122 uint8_t Sound::instrumentNextChange[NUM_CHANNELS]; //how many frames before the next step
Pokitto 24:9561281d0378 123
Pokitto 24:9561281d0378 124 //current step data
Pokitto 24:9561281d0378 125 int8_t Sound::stepVolume[NUM_CHANNELS];
Pokitto 24:9561281d0378 126 uint8_t Sound::stepPitch[NUM_CHANNELS];
Pokitto 24:9561281d0378 127 uint8_t Sound::chanVolumes[NUM_CHANNELS];
Pokitto 24:9561281d0378 128
Pokitto 24:9561281d0378 129 #if (POK_ENABLE_SOUND < 1)
Pokitto 24:9561281d0378 130 #define NUM_CHANNELS 0
Pokitto 24:9561281d0378 131 #endif
Pokitto 24:9561281d0378 132
Pokitto 24:9561281d0378 133 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 134 #ifndef POK_SIM
Pokitto 24:9561281d0378 135 uint8_t sbyte;
Pokitto 24:9561281d0378 136 #else
Pokitto 24:9561281d0378 137 uint8_t sbyte;
Pokitto 24:9561281d0378 138 float pwm1;
Pokitto 24:9561281d0378 139 #endif // POK_SIM
Pokitto 24:9561281d0378 140
Pokitto 24:9561281d0378 141 //declare these variables globally for faster access
Pokitto 24:9561281d0378 142 uint8_t _rand = 1;
Pokitto 24:9561281d0378 143 uint8_t _chanCount[NUM_CHANNELS]; //counts until the next change of the waveform
Pokitto 24:9561281d0378 144 bool _chanState[NUM_CHANNELS]; //if the waveform is currently high or low
Pokitto 24:9561281d0378 145 uint8_t _chanHalfPeriod[NUM_CHANNELS]; //duration of half the period of the waveform
Pokitto 24:9561281d0378 146 uint8_t _chanOutputVolume[NUM_CHANNELS]; //amplitude of the outputted waveform
Pokitto 24:9561281d0378 147 uint8_t _chanOutput[NUM_CHANNELS]; //current value of the outputted waveform
Pokitto 24:9561281d0378 148 bool _chanNoise[NUM_CHANNELS]; //if a random value should be added to the waveform to generate noise
Pokitto 24:9561281d0378 149
Pokitto 24:9561281d0378 150 #if POK_GBSOUND > 0
Pokitto 24:9561281d0378 151 const uint16_t squareWaveInstrument[] = {0x0101, 0x03F7};
Pokitto 24:9561281d0378 152 const uint16_t noiseInstrument[] = {0x0101, 0x03FF};
Pokitto 24:9561281d0378 153 const uint16_t* const defaultInstruments[] = {squareWaveInstrument,noiseInstrument};
Pokitto 24:9561281d0378 154
Pokitto 24:9561281d0378 155 const uint16_t playOKPattern[] = {0x0005,0x138,0x168,0x0000};
Pokitto 24:9561281d0378 156 const uint16_t playCancelPattern[] = {0x0005,0x168,0x138,0x0000};
Pokitto 24:9561281d0378 157 const uint16_t playTickP[] = {0x0045,0x168,0x0000};
Pokitto 24:9561281d0378 158 #endif
Pokitto 24:9561281d0378 159 #if(EXTENDED_NOTE_RANGE > 0)
Pokitto 24:9561281d0378 160 //extended note range
Pokitto 24:9561281d0378 161 #define NUM_PITCH 59
Pokitto 24:9561281d0378 162 const uint8_t _halfPeriods[NUM_PITCH] = {246,232,219,207,195,184,174,164,155,146,138,130,123,116,110,104,98,92,87,82,78,73,69,65,62,58,55,52,49,46,44,41,39,37,35,33,31,29,28,26,25,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6};
Pokitto 24:9561281d0378 163 #else
Pokitto 24:9561281d0378 164 //regular note range
Pokitto 24:9561281d0378 165 #define NUM_PITCH 36
Pokitto 24:9561281d0378 166 const uint8_t _halfPeriods[NUM_PITCH] = {246,232,219,207,195,184,174,164,155,146,138,130,123,116,110,104,98,92,87,82,78,73,69,65,62,58,55,52,49,46,44,41,39,37,35,33};
Pokitto 24:9561281d0378 167 #endif
Pokitto 24:9561281d0378 168
Pokitto 24:9561281d0378 169 #endif
Pokitto 24:9561281d0378 170
Pokitto 24:9561281d0378 171 void Pokitto::audio_IRQ() {
Pokitto 24:9561281d0378 172 #if POK_STREAMING_MUSIC > 0
Pokitto 24:9561281d0378 173 #if POK_STREAMFREQ_HALVE > 0
Pokitto 24:9561281d0378 174 streamstep = 1-streamstep;
Pokitto 24:9561281d0378 175 #else
Pokitto 24:9561281d0378 176 streamstep=1;
Pokitto 24:9561281d0378 177 #endif
Pokitto 24:9561281d0378 178
Pokitto 24:9561281d0378 179 streamstep &= streamon; //check if stream is on
Pokitto 24:9561281d0378 180
Pokitto 24:9561281d0378 181 if(streamvol && streamstep) {
Pokitto 24:9561281d0378 182 uint8_t output = (*currentPtr++);
Pokitto 24:9561281d0378 183 sbyte = output;
Pokitto 24:9561281d0378 184 } else {
Pokitto 24:9561281d0378 185 sbyte = 0; // duty cycle
Pokitto 24:9561281d0378 186 }
Pokitto 24:9561281d0378 187
Pokitto 24:9561281d0378 188 if (currentPtr >= endPtr)
Pokitto 24:9561281d0378 189 {
Pokitto 24:9561281d0378 190 currentBuffer++;
Pokitto 24:9561281d0378 191 if (currentBuffer==4) currentBuffer=0;
Pokitto 24:9561281d0378 192 currentPtr = buffers[currentBuffer];
Pokitto 24:9561281d0378 193 endPtr = currentPtr + BUFFER_SIZE;
Pokitto 24:9561281d0378 194 }
Pokitto 24:9561281d0378 195
Pokitto 24:9561281d0378 196 #endif // POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 197 #if (NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 198 Sound::generateOutput();
Pokitto 24:9561281d0378 199 #endif
Pokitto 24:9561281d0378 200 }
Pokitto 24:9561281d0378 201
Pokitto 24:9561281d0378 202 void Sound::volumeUp() {
Pokitto 24:9561281d0378 203 if (globalVolume>VOLUME_HEADPHONE_MAX) setVolume(getVolume()+VOLUME_STEP*2);
Pokitto 24:9561281d0378 204 else setVolume(getVolume()+VOLUME_STEP);
Pokitto 24:9561281d0378 205 }
Pokitto 24:9561281d0378 206
Pokitto 24:9561281d0378 207 void Sound::volumeDown() {
Pokitto 24:9561281d0378 208 if (globalVolume>VOLUME_HEADPHONE_MAX) setVolume(getVolume()-VOLUME_STEP*4);
Pokitto 24:9561281d0378 209 else setVolume(getVolume()-VOLUME_STEP);
Pokitto 24:9561281d0378 210 }
Pokitto 24:9561281d0378 211
Pokitto 24:9561281d0378 212
Pokitto 24:9561281d0378 213 void Sound::setMaxVol(int16_t v) {
Pokitto 24:9561281d0378 214 if (v < 0) v = 0; //prevent nasty wraparound
Pokitto 24:9561281d0378 215 if (v > VOLUME_SPEAKER_MAX) {
Pokitto 24:9561281d0378 216 v = VOLUME_SPEAKER_MAX;
Pokitto 24:9561281d0378 217 }
Pokitto 24:9561281d0378 218 volumeMax = v;
Pokitto 24:9561281d0378 219 setVolume(globalVolume);
Pokitto 24:9561281d0378 220 }
Pokitto 24:9561281d0378 221
Pokitto 24:9561281d0378 222 uint16_t Sound::getMaxVol() {
Pokitto 24:9561281d0378 223 return volumeMax;
Pokitto 24:9561281d0378 224 }
Pokitto 24:9561281d0378 225
Pokitto 24:9561281d0378 226 void Sound::updateStream() {
Pokitto 24:9561281d0378 227 #if POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 228 if (oldBuffer != currentBuffer) {
Pokitto 24:9561281d0378 229 if (currentBuffer==0) fileReadBytes(&buffers[3][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 230 else if (currentBuffer==1) fileReadBytes(&buffers[0][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 231 else if (currentBuffer==2) fileReadBytes(&buffers[1][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 232 else fileReadBytes(&buffers[2][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 233 oldBuffer = currentBuffer;
Pokitto 24:9561281d0378 234 streamcounter += BUFFER_SIZE;
Pokitto 24:9561281d0378 235 }
Pokitto 24:9561281d0378 236
Pokitto 24:9561281d0378 237 #ifndef POK_SIM
Pokitto 24:9561281d0378 238 if ( streamcounter > fs.fsize - (BUFFER_SIZE)) {
Pokitto 24:9561281d0378 239 #else
Pokitto 24:9561281d0378 240 if ( streamcounter > getFileLength() - (BUFFER_SIZE)) {
Pokitto 24:9561281d0378 241 #endif
Pokitto 24:9561281d0378 242 streamcounter=0;
Pokitto 24:9561281d0378 243 #if POK_STREAM_LOOP > 0
Pokitto 24:9561281d0378 244 fileRewind();
Pokitto 24:9561281d0378 245 #endif
Pokitto 24:9561281d0378 246 #ifndef POK_SIM
Pokitto 24:9561281d0378 247 streamon=0;
Pokitto 24:9561281d0378 248 #endif // POK_SIM
Pokitto 24:9561281d0378 249 }
Pokitto 24:9561281d0378 250 #endif
Pokitto 24:9561281d0378 251 }
Pokitto 24:9561281d0378 252
Pokitto 24:9561281d0378 253 void Sound::begin() {
Pokitto 24:9561281d0378 254 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 255 soundInit();
Pokitto 24:9561281d0378 256 ampEnable(true);
Pokitto 24:9561281d0378 257 #endif
Pokitto 24:9561281d0378 258 #if (NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 259 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 260 #if POK_GBSOUND > 0
Pokitto 24:9561281d0378 261 prescaler = 1;
Pokitto 24:9561281d0378 262 for(byte i=0; i<NUM_CHANNELS; i++){
Pokitto 24:9561281d0378 263 chanVolumes[i] = VOLUME_CHANNEL_MAX;
Pokitto 24:9561281d0378 264 changeInstrumentSet(defaultInstruments, i); //load default instruments. #0:square wave, #1: noise
Pokitto 24:9561281d0378 265 command(CMD_INSTRUMENT, 0, 0, i); //set the default instrument to square wave
Pokitto 24:9561281d0378 266 }
Pokitto 24:9561281d0378 267 #endif // POK_GBSOUND
Pokitto 24:9561281d0378 268 #endif //POK_ENABLE_SOUND
Pokitto 24:9561281d0378 269 #endif
Pokitto 24:9561281d0378 270 }
Pokitto 24:9561281d0378 271
Pokitto 24:9561281d0378 272 void Sound::playTrack(const uint16_t* track, uint8_t channel){
Pokitto 24:9561281d0378 273 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 274 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 275 return;
Pokitto 24:9561281d0378 276 stopTrack(channel);
Pokitto 24:9561281d0378 277 trackCursor[channel] = 0;
Pokitto 24:9561281d0378 278 trackData[channel] = (uint16_t*)track;
Pokitto 24:9561281d0378 279 trackIsPlaying[channel] = true;
Pokitto 24:9561281d0378 280 #endif
Pokitto 24:9561281d0378 281 }
Pokitto 24:9561281d0378 282
Pokitto 24:9561281d0378 283 void Sound::stopTrack(uint8_t channel){
Pokitto 24:9561281d0378 284 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 285 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 286 return;
Pokitto 24:9561281d0378 287 trackIsPlaying[channel] = false;
Pokitto 24:9561281d0378 288 stopPattern(channel);
Pokitto 24:9561281d0378 289 #endif
Pokitto 24:9561281d0378 290 }
Pokitto 24:9561281d0378 291
Pokitto 24:9561281d0378 292 void Sound::stopTrack(){
Pokitto 24:9561281d0378 293 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 294 for(uint8_t i=0; i<NUM_CHANNELS; i++){
Pokitto 24:9561281d0378 295 stopTrack(i);
Pokitto 24:9561281d0378 296 }
Pokitto 24:9561281d0378 297 #endif
Pokitto 24:9561281d0378 298 }
Pokitto 24:9561281d0378 299
Pokitto 24:9561281d0378 300 void Sound::updateTrack(uint8_t channel){
Pokitto 24:9561281d0378 301 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 302 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 303 return;
Pokitto 24:9561281d0378 304 if(trackIsPlaying[channel] && !patternIsPlaying[channel]){
Pokitto 24:9561281d0378 305 uint16_t data = pgm_read_word(trackData[channel] + trackCursor[channel]);
Pokitto 24:9561281d0378 306 if(data == 0xFFFF){ //en of the track
Pokitto 24:9561281d0378 307 trackIsPlaying[channel] = false;
Pokitto 24:9561281d0378 308 return;
Pokitto 24:9561281d0378 309 }
Pokitto 24:9561281d0378 310 uint8_t patternID = data & 0xFF;
Pokitto 24:9561281d0378 311 data >>= 8;
Pokitto 24:9561281d0378 312 patternPitch[channel] = data;
Pokitto 24:9561281d0378 313 playPattern((const uint16_t*)pgm_read_word(&(patternSet[channel][patternID])), channel);
Pokitto 24:9561281d0378 314 trackCursor[channel] ++;
Pokitto 24:9561281d0378 315 }
Pokitto 24:9561281d0378 316 #endif
Pokitto 24:9561281d0378 317 }
Pokitto 24:9561281d0378 318
Pokitto 24:9561281d0378 319 void Sound::updateTrack(){
Pokitto 24:9561281d0378 320 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 321 for (uint8_t i=0; i<NUM_CHANNELS; i++){
Pokitto 24:9561281d0378 322 updateTrack(i);
Pokitto 24:9561281d0378 323 }
Pokitto 24:9561281d0378 324 #endif
Pokitto 24:9561281d0378 325 }
Pokitto 24:9561281d0378 326
Pokitto 24:9561281d0378 327 void Sound::changePatternSet(const uint16_t* const* patterns, uint8_t channel){
Pokitto 24:9561281d0378 328 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 329 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 330 return;
Pokitto 24:9561281d0378 331 patternSet[channel] = (uint16_t**)patterns;
Pokitto 24:9561281d0378 332 #endif
Pokitto 24:9561281d0378 333 }
Pokitto 24:9561281d0378 334
Pokitto 24:9561281d0378 335 void Sound::playPattern(const uint16_t* pattern, uint8_t channel){
Pokitto 24:9561281d0378 336 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 337 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 338 return;
Pokitto 24:9561281d0378 339 stopPattern(channel);
Pokitto 24:9561281d0378 340 patternData[channel] = (uint16_t*)pattern;
Pokitto 24:9561281d0378 341 patternCursor[channel] = 0;
Pokitto 24:9561281d0378 342 patternIsPlaying[channel] = true;
Pokitto 24:9561281d0378 343 noteVolume[channel] = 9;
Pokitto 24:9561281d0378 344 //reinit commands
Pokitto 24:9561281d0378 345 volumeSlideStepDuration[channel] = 0;
Pokitto 24:9561281d0378 346 arpeggioStepDuration[channel] = 0;
Pokitto 24:9561281d0378 347 tremoloStepDuration[channel] = 0;
Pokitto 24:9561281d0378 348 #endif
Pokitto 24:9561281d0378 349 }
Pokitto 24:9561281d0378 350
Pokitto 24:9561281d0378 351 void Sound::updatePattern(){
Pokitto 24:9561281d0378 352 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 353 for (uint8_t i=0; i<NUM_CHANNELS; i++){
Pokitto 24:9561281d0378 354 updatePattern(i);
Pokitto 24:9561281d0378 355 }
Pokitto 24:9561281d0378 356 #endif
Pokitto 24:9561281d0378 357 }
Pokitto 24:9561281d0378 358
Pokitto 24:9561281d0378 359 void Sound::changeInstrumentSet(const uint16_t* const* instruments, uint8_t channel){
Pokitto 24:9561281d0378 360 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 361 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 362 return;
Pokitto 24:9561281d0378 363 instrumentSet[channel] = (uint16_t**)instruments;
Pokitto 24:9561281d0378 364 #endif
Pokitto 24:9561281d0378 365 }
Pokitto 24:9561281d0378 366
Pokitto 24:9561281d0378 367 void Sound::updatePattern(uint8_t i){
Pokitto 24:9561281d0378 368 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 369 if(i>=NUM_CHANNELS)
Pokitto 24:9561281d0378 370 return;
Pokitto 24:9561281d0378 371 if(patternIsPlaying[i]){
Pokitto 24:9561281d0378 372 if(noteDuration[i]==0){//if the end of the previous note is reached
Pokitto 24:9561281d0378 373
Pokitto 24:9561281d0378 374 uint16_t data = pgm_read_word(patternCursor[i] + patternData[i]);
Pokitto 24:9561281d0378 375
Pokitto 24:9561281d0378 376 if(data == 0){ //end of the pattern reached
Pokitto 24:9561281d0378 377 if(patternLooping[i] == true){
Pokitto 24:9561281d0378 378 patternCursor[i] = 0;
Pokitto 24:9561281d0378 379 data = pgm_read_word(patternCursor[i] + patternData[i]);
Pokitto 24:9561281d0378 380 }
Pokitto 24:9561281d0378 381 else{
Pokitto 24:9561281d0378 382 patternIsPlaying[i] = false;
Pokitto 24:9561281d0378 383 if(trackIsPlaying[i]){ //if this pattern is part of a track, get the next pattern
Pokitto 24:9561281d0378 384 updateTrack(i);
Pokitto 24:9561281d0378 385 data = pgm_read_word(patternCursor[i] + patternData[i]);
Pokitto 24:9561281d0378 386 } else {
Pokitto 24:9561281d0378 387 stopNote(i);
Pokitto 24:9561281d0378 388 //Serial.print("pattern end\n");
Pokitto 24:9561281d0378 389 return;
Pokitto 24:9561281d0378 390 }
Pokitto 24:9561281d0378 391 }
Pokitto 24:9561281d0378 392 }
Pokitto 24:9561281d0378 393
Pokitto 24:9561281d0378 394 while (data & 0x0001){ //read all commands and instrument changes
Pokitto 24:9561281d0378 395 data >>= 2;
Pokitto 24:9561281d0378 396 //Serial.print("\ncmd\t");
Pokitto 24:9561281d0378 397 uint8_t cmd = data & 0x0F;
Pokitto 24:9561281d0378 398 data >>= 4;
Pokitto 24:9561281d0378 399 uint8_t X = data & 0x1F;
Pokitto 24:9561281d0378 400 data >>= 5;
Pokitto 24:9561281d0378 401 int8_t Y = data - 16;
Pokitto 24:9561281d0378 402 command(cmd,X,Y,i);
Pokitto 24:9561281d0378 403 patternCursor[i]++;
Pokitto 24:9561281d0378 404 data = pgm_read_word(patternCursor[i] + patternData[i]);
Pokitto 24:9561281d0378 405 }
Pokitto 24:9561281d0378 406 data >>= 2;
Pokitto 24:9561281d0378 407
Pokitto 24:9561281d0378 408 uint8_t pitch = data & 0x003F;
Pokitto 24:9561281d0378 409 data >>= 6;
Pokitto 24:9561281d0378 410
Pokitto 24:9561281d0378 411 uint8_t duration = data;
Pokitto 24:9561281d0378 412 if(pitch != 63){
Pokitto 24:9561281d0378 413 }
Pokitto 24:9561281d0378 414
Pokitto 24:9561281d0378 415 playNote(pitch, duration, i);
Pokitto 24:9561281d0378 416
Pokitto 24:9561281d0378 417 patternCursor[i]++;
Pokitto 24:9561281d0378 418 }
Pokitto 24:9561281d0378 419 }
Pokitto 24:9561281d0378 420 #endif
Pokitto 24:9561281d0378 421 }
Pokitto 24:9561281d0378 422
Pokitto 24:9561281d0378 423 void Sound::stopPattern(uint8_t channel){
Pokitto 24:9561281d0378 424 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 425 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 426 return;
Pokitto 24:9561281d0378 427 stopNote(channel);
Pokitto 24:9561281d0378 428 patternIsPlaying[channel] = false;
Pokitto 24:9561281d0378 429 #endif
Pokitto 24:9561281d0378 430 }
Pokitto 24:9561281d0378 431
Pokitto 24:9561281d0378 432 void Sound::stopPattern(){
Pokitto 24:9561281d0378 433 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 434 for(uint8_t i=0; i<NUM_CHANNELS; i++){
Pokitto 24:9561281d0378 435 stopPattern(i);
Pokitto 24:9561281d0378 436 }
Pokitto 24:9561281d0378 437 #endif
Pokitto 24:9561281d0378 438 }
Pokitto 24:9561281d0378 439
Pokitto 24:9561281d0378 440 void Sound::command(uint8_t cmd, uint8_t X, int8_t Y, uint8_t i){
Pokitto 24:9561281d0378 441 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 442 if(i>=NUM_CHANNELS)
Pokitto 24:9561281d0378 443 return;
Pokitto 24:9561281d0378 444 switch(cmd){
Pokitto 24:9561281d0378 445 case CMD_VOLUME: //volume
Pokitto 24:9561281d0378 446 X = constrain((int8_t)X, 0, 10);
Pokitto 24:9561281d0378 447 noteVolume[i] = X;
Pokitto 24:9561281d0378 448 break;
Pokitto 24:9561281d0378 449 case CMD_INSTRUMENT: //instrument
Pokitto 24:9561281d0378 450 instrumentData[i] = (uint16_t*)pgm_read_word(&(instrumentSet[i][X]));
Pokitto 24:9561281d0378 451 instrumentLength[i] = pgm_read_word(&(instrumentData[i][0])) & 0x00FF; //8 LSB
Pokitto 24:9561281d0378 452 instrumentLength[i] *= prescaler;
Pokitto 24:9561281d0378 453 instrumentLooping[i] = min2((pgm_read_word(&(instrumentData[i][0])) >> 8), instrumentLength[i]); //8 MSB - check that the loop is shorter than the instrument length
Pokitto 24:9561281d0378 454 instrumentLooping[i] *= prescaler;
Pokitto 24:9561281d0378 455 break;
Pokitto 24:9561281d0378 456 case CMD_SLIDE: //volume slide
Pokitto 24:9561281d0378 457 volumeSlideStepDuration[i] = X * prescaler;
Pokitto 24:9561281d0378 458 volumeSlideStepSize[i] = Y;
Pokitto 24:9561281d0378 459 break;
Pokitto 24:9561281d0378 460 case CMD_ARPEGGIO:
Pokitto 24:9561281d0378 461 arpeggioStepDuration[i] = X * prescaler;
Pokitto 24:9561281d0378 462 arpeggioStepSize[i] = Y;
Pokitto 24:9561281d0378 463 break;
Pokitto 24:9561281d0378 464 case CMD_TREMOLO:
Pokitto 24:9561281d0378 465 tremoloStepDuration[i] = X * prescaler;
Pokitto 24:9561281d0378 466 tremoloStepSize[i] = Y;
Pokitto 24:9561281d0378 467 break;
Pokitto 24:9561281d0378 468 default:
Pokitto 24:9561281d0378 469 break;
Pokitto 24:9561281d0378 470 }
Pokitto 24:9561281d0378 471 #endif
Pokitto 24:9561281d0378 472 }
Pokitto 24:9561281d0378 473
Pokitto 24:9561281d0378 474 void Sound::playNote(uint8_t pitch, uint8_t duration, uint8_t channel){
Pokitto 24:9561281d0378 475 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 476 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 477 return;
Pokitto 24:9561281d0378 478 //set note
Pokitto 24:9561281d0378 479 notePitch[channel] = pitch;
Pokitto 24:9561281d0378 480 noteDuration[channel] = duration * prescaler;
Pokitto 24:9561281d0378 481 //reinit vars
Pokitto 24:9561281d0378 482 instrumentNextChange[channel] = 0;
Pokitto 24:9561281d0378 483 instrumentCursor[channel] = 0;
Pokitto 24:9561281d0378 484 notePlaying[channel] = true;
Pokitto 24:9561281d0378 485 _chanState[channel] = true;
Pokitto 24:9561281d0378 486 commandsCounter[channel] = 0;
Pokitto 24:9561281d0378 487 #endif
Pokitto 24:9561281d0378 488 }
Pokitto 24:9561281d0378 489
Pokitto 24:9561281d0378 490 void Sound::stopNote(uint8_t channel) {
Pokitto 24:9561281d0378 491 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 492 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 493 return;
Pokitto 24:9561281d0378 494 notePlaying[channel] = false;
Pokitto 24:9561281d0378 495 //counters
Pokitto 24:9561281d0378 496 noteDuration[channel] = 0;
Pokitto 24:9561281d0378 497 instrumentCursor[channel] = 0;
Pokitto 24:9561281d0378 498 commandsCounter[channel] = 0;
Pokitto 24:9561281d0378 499 //output
Pokitto 24:9561281d0378 500 _chanOutput[channel] = 0;
Pokitto 24:9561281d0378 501 _chanOutputVolume[channel] = 0;
Pokitto 24:9561281d0378 502 _chanState[channel] = false;
Pokitto 24:9561281d0378 503 updateOutput();
Pokitto 24:9561281d0378 504 #endif
Pokitto 24:9561281d0378 505 }
Pokitto 24:9561281d0378 506
Pokitto 24:9561281d0378 507 void Sound::stopNote() {
Pokitto 24:9561281d0378 508 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 509 for (uint8_t channel = 0; channel < NUM_CHANNELS; channel++) {
Pokitto 24:9561281d0378 510 stopNote(channel);
Pokitto 24:9561281d0378 511 }
Pokitto 24:9561281d0378 512 #endif
Pokitto 24:9561281d0378 513 }
Pokitto 24:9561281d0378 514
Pokitto 24:9561281d0378 515 void Sound::updateNote() {
Pokitto 24:9561281d0378 516 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 517 for (uint8_t i = 0; i < NUM_CHANNELS; i++) {
Pokitto 24:9561281d0378 518 updateNote(i);
Pokitto 24:9561281d0378 519 }
Pokitto 24:9561281d0378 520 #endif
Pokitto 24:9561281d0378 521 }
Pokitto 24:9561281d0378 522
Pokitto 24:9561281d0378 523 void Sound::updateNote(uint8_t i) {
Pokitto 24:9561281d0378 524 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 525 if(i>=NUM_CHANNELS)
Pokitto 24:9561281d0378 526 return;
Pokitto 24:9561281d0378 527 if (notePlaying[i]) {
Pokitto 24:9561281d0378 528
Pokitto 24:9561281d0378 529 if(noteDuration[i] == 0){
Pokitto 24:9561281d0378 530 stopNote(i);
Pokitto 24:9561281d0378 531 //Serial.println("note end");
Pokitto 24:9561281d0378 532 return;
Pokitto 24:9561281d0378 533 } else {
Pokitto 24:9561281d0378 534 noteDuration[i]--;
Pokitto 24:9561281d0378 535 }
Pokitto 24:9561281d0378 536
Pokitto 24:9561281d0378 537 if (instrumentNextChange[i] == 0) {
Pokitto 24:9561281d0378 538
Pokitto 24:9561281d0378 539 //read the step data from the progmem and decode it
Pokitto 24:9561281d0378 540 uint16_t thisStep = pgm_read_word(&(instrumentData[i][1 + instrumentCursor[i]]));
Pokitto 24:9561281d0378 541
Pokitto 24:9561281d0378 542 stepVolume[i] = thisStep & 0x0007;
Pokitto 24:9561281d0378 543 thisStep >>= 3;
Pokitto 24:9561281d0378 544
Pokitto 24:9561281d0378 545 uint8_t stepNoise = thisStep & 0x0001;
Pokitto 24:9561281d0378 546 thisStep >>= 1;
Pokitto 24:9561281d0378 547
Pokitto 24:9561281d0378 548 uint8_t stepDuration = thisStep & 0x003F;
Pokitto 24:9561281d0378 549 thisStep >>= 6;
Pokitto 24:9561281d0378 550
Pokitto 24:9561281d0378 551 stepPitch[i] = thisStep;
Pokitto 24:9561281d0378 552
Pokitto 24:9561281d0378 553 //apply the step settings
Pokitto 24:9561281d0378 554 instrumentNextChange[i] = stepDuration * prescaler;
Pokitto 24:9561281d0378 555
Pokitto 24:9561281d0378 556 _chanNoise[i] = stepNoise;
Pokitto 24:9561281d0378 557
Pokitto 24:9561281d0378 558
Pokitto 24:9561281d0378 559 instrumentCursor[i]++;
Pokitto 24:9561281d0378 560
Pokitto 24:9561281d0378 561 if (instrumentCursor[i] >= instrumentLength[i]) {
Pokitto 24:9561281d0378 562 if (instrumentLooping[i]) {
Pokitto 24:9561281d0378 563 instrumentCursor[i] = instrumentLength[i] - instrumentLooping[i];
Pokitto 24:9561281d0378 564 } else {
Pokitto 24:9561281d0378 565 stopNote(i);
Pokitto 24:9561281d0378 566 }
Pokitto 24:9561281d0378 567 }
Pokitto 24:9561281d0378 568 }
Pokitto 24:9561281d0378 569 instrumentNextChange[i]--;
Pokitto 24:9561281d0378 570
Pokitto 24:9561281d0378 571 commandsCounter[i]++;
Pokitto 24:9561281d0378 572
Pokitto 24:9561281d0378 573 //UPDATE VALUES
Pokitto 24:9561281d0378 574 //pitch
Pokitto 24:9561281d0378 575 outputPitch[i] = notePitch[i] + stepPitch[i] + patternPitch[i];
Pokitto 24:9561281d0378 576 if(arpeggioStepDuration[i]){
Pokitto 24:9561281d0378 577 outputPitch[i] += commandsCounter[i] / arpeggioStepDuration[i] * arpeggioStepSize[i];
Pokitto 24:9561281d0378 578 }
Pokitto 24:9561281d0378 579 outputPitch[i] = (outputPitch[i] + NUM_PITCH) % NUM_PITCH; //wrap
Pokitto 24:9561281d0378 580 //volume
Pokitto 24:9561281d0378 581 outputVolume[i] = noteVolume[i];
Pokitto 24:9561281d0378 582 if(volumeSlideStepDuration[i]){
Pokitto 24:9561281d0378 583 outputVolume[i] += commandsCounter[i] / volumeSlideStepDuration[i] * volumeSlideStepSize[i];
Pokitto 24:9561281d0378 584 }
Pokitto 24:9561281d0378 585 if(tremoloStepDuration[i]){
Pokitto 24:9561281d0378 586 outputVolume[i] += ((commandsCounter[i]/tremoloStepDuration[i]) % 2) * tremoloStepSize[i];
Pokitto 24:9561281d0378 587 }
Pokitto 24:9561281d0378 588 outputVolume[i] = constrain(outputVolume[i], 0, 9);
Pokitto 24:9561281d0378 589 if(notePitch[i] == 63){
Pokitto 24:9561281d0378 590 outputVolume[i] = 0;
Pokitto 24:9561281d0378 591 }
Pokitto 24:9561281d0378 592 // jonnehw noInterrupts();
Pokitto 24:9561281d0378 593 _chanHalfPeriod[i] = pgm_read_byte(_halfPeriods + outputPitch[i]);
Pokitto 24:9561281d0378 594 _chanOutput[i] = _chanOutputVolume[i] = outputVolume[i] * (globalVolume>>GLOBVOL_SHIFT) * chanVolumes[i] * stepVolume[i];
Pokitto 24:9561281d0378 595 //Serial.println(outputVolume[i]);
Pokitto 24:9561281d0378 596 // jonnehw interrupts();
Pokitto 24:9561281d0378 597 }
Pokitto 24:9561281d0378 598 #endif
Pokitto 24:9561281d0378 599 }
Pokitto 24:9561281d0378 600
Pokitto 24:9561281d0378 601 void Sound::setChannelHalfPeriod(uint8_t channel, uint8_t halfPeriod) {
Pokitto 24:9561281d0378 602 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 603 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 604 return;
Pokitto 24:9561281d0378 605 _chanHalfPeriod[channel] = halfPeriod;
Pokitto 24:9561281d0378 606 _chanState[channel] = false;
Pokitto 24:9561281d0378 607 _chanCount[channel] = 0;
Pokitto 24:9561281d0378 608 updateOutput();
Pokitto 24:9561281d0378 609 #endif
Pokitto 24:9561281d0378 610 }
Pokitto 24:9561281d0378 611
Pokitto 24:9561281d0378 612
Pokitto 24:9561281d0378 613 void Sound::generateOutput() {
Pokitto 24:9561281d0378 614 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 615 bool outputChanged = false;
Pokitto 24:9561281d0378 616 //no for loop here, for the performance sake (this function runs 15 000 times per second...)
Pokitto 24:9561281d0378 617 //CHANNEL 0
Pokitto 24:9561281d0378 618 if (_chanOutputVolume[0]) {
Pokitto 24:9561281d0378 619 _chanCount[0]++;
Pokitto 24:9561281d0378 620 if (_chanCount[0] >= _chanHalfPeriod[0]) {
Pokitto 24:9561281d0378 621 outputChanged = true;
Pokitto 24:9561281d0378 622 _chanState[0] = !_chanState[0];
Pokitto 24:9561281d0378 623 _chanCount[0] = 0;
Pokitto 24:9561281d0378 624 if (_chanNoise[0]) {
Pokitto 24:9561281d0378 625 _rand = 67 * _rand + 71;
Pokitto 24:9561281d0378 626 _chanOutput[0] = _rand % _chanOutputVolume[0];
Pokitto 24:9561281d0378 627 }
Pokitto 24:9561281d0378 628 }
Pokitto 24:9561281d0378 629 }
Pokitto 24:9561281d0378 630
Pokitto 24:9561281d0378 631
Pokitto 24:9561281d0378 632 //CHANNEL 1
Pokitto 24:9561281d0378 633 #if (NUM_CHANNELS > 1)
Pokitto 24:9561281d0378 634 if (_chanOutputVolume[1]) {
Pokitto 24:9561281d0378 635 _chanCount[1]++;
Pokitto 24:9561281d0378 636 if (_chanCount[1] >= _chanHalfPeriod[1]) {
Pokitto 24:9561281d0378 637 outputChanged = true;
Pokitto 24:9561281d0378 638 _chanState[1] = !_chanState[1];
Pokitto 24:9561281d0378 639 _chanCount[1] = 0;
Pokitto 24:9561281d0378 640 if (_chanNoise[1]) {
Pokitto 24:9561281d0378 641 _rand = 67 * _rand + 71;
Pokitto 24:9561281d0378 642 _chanOutput[1] = _rand % _chanOutputVolume[1];
Pokitto 24:9561281d0378 643 }
Pokitto 24:9561281d0378 644 }
Pokitto 24:9561281d0378 645 }
Pokitto 24:9561281d0378 646 #endif
Pokitto 24:9561281d0378 647
Pokitto 24:9561281d0378 648 //CHANNEL 2
Pokitto 24:9561281d0378 649 #if (NUM_CHANNELS > 2)
Pokitto 24:9561281d0378 650 if (_chanOutputVolume[2]) {
Pokitto 24:9561281d0378 651 _chanCount[2]++;
Pokitto 24:9561281d0378 652 if (_chanCount[2] >= _chanHalfPeriod[2]) {
Pokitto 24:9561281d0378 653 outputChanged = true;
Pokitto 24:9561281d0378 654 _chanState[2] = !_chanState[2];
Pokitto 24:9561281d0378 655 _chanCount[2] = 0;
Pokitto 24:9561281d0378 656 if (_chanNoise[2]) {
Pokitto 24:9561281d0378 657 _rand = 67 * _rand + 71;
Pokitto 24:9561281d0378 658 _chanOutput[2] = _rand % _chanOutputVolume[2];
Pokitto 24:9561281d0378 659 }
Pokitto 24:9561281d0378 660 }
Pokitto 24:9561281d0378 661 }
Pokitto 24:9561281d0378 662 #endif
Pokitto 24:9561281d0378 663
Pokitto 24:9561281d0378 664 //CHANNEL 3
Pokitto 24:9561281d0378 665 #if (NUM_CHANNELS > 3)
Pokitto 24:9561281d0378 666 if (_chanOutputVolume[3]) {
Pokitto 24:9561281d0378 667 _chanCount[3]++;
Pokitto 24:9561281d0378 668 if (_chanCount[3] >= _chanHalfPeriod[3]) {
Pokitto 24:9561281d0378 669 outputChanged = true;
Pokitto 24:9561281d0378 670 _chanState[3] = !_chanState[3];
Pokitto 24:9561281d0378 671 _chanCount[3] = 0;
Pokitto 24:9561281d0378 672 if (_chanNoise[3]) {
Pokitto 24:9561281d0378 673 _rand = 67 * _rand + 71;
Pokitto 24:9561281d0378 674 _chanOutput[3] = _rand % _chanOutputVolume[3];
Pokitto 24:9561281d0378 675 }
Pokitto 24:9561281d0378 676 }
Pokitto 24:9561281d0378 677 }
Pokitto 24:9561281d0378 678 #endif
Pokitto 24:9561281d0378 679
Pokitto 24:9561281d0378 680 #if POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 681 if (streamstep) {
Pokitto 24:9561281d0378 682 outputChanged=true;
Pokitto 24:9561281d0378 683 }
Pokitto 24:9561281d0378 684 #endif
Pokitto 24:9561281d0378 685
Pokitto 24:9561281d0378 686 if (outputChanged) {
Pokitto 24:9561281d0378 687 updateOutput();
Pokitto 24:9561281d0378 688 }
Pokitto 24:9561281d0378 689 #endif
Pokitto 24:9561281d0378 690 }
Pokitto 24:9561281d0378 691
Pokitto 24:9561281d0378 692 void Sound::updateOutput() {
Pokitto 24:9561281d0378 693 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 694 uint8_t output = 0;
Pokitto 24:9561281d0378 695
Pokitto 24:9561281d0378 696 //CHANNEL 0
Pokitto 24:9561281d0378 697 if (_chanState[0]) {
Pokitto 24:9561281d0378 698 output += _chanOutput[0];
Pokitto 24:9561281d0378 699 }
Pokitto 24:9561281d0378 700
Pokitto 24:9561281d0378 701 //CHANNEL 1
Pokitto 24:9561281d0378 702 #if (NUM_CHANNELS > 1)
Pokitto 24:9561281d0378 703 if (_chanState[1]) {
Pokitto 24:9561281d0378 704 output += _chanOutput[1];
Pokitto 24:9561281d0378 705 }
Pokitto 24:9561281d0378 706 #endif
Pokitto 24:9561281d0378 707
Pokitto 24:9561281d0378 708 //CHANNEL 2
Pokitto 24:9561281d0378 709 #if (NUM_CHANNELS > 2)
Pokitto 24:9561281d0378 710 if (_chanState[2]) {
Pokitto 24:9561281d0378 711 output += _chanOutput[2];
Pokitto 24:9561281d0378 712 }
Pokitto 24:9561281d0378 713 #endif
Pokitto 24:9561281d0378 714
Pokitto 24:9561281d0378 715 //CHANNEL 3
Pokitto 24:9561281d0378 716 #if (NUM_CHANNELS > 3)
Pokitto 24:9561281d0378 717 if (_chanState[3]) {
Pokitto 24:9561281d0378 718 output += _chanOutput[3];
Pokitto 24:9561281d0378 719 }
Pokitto 24:9561281d0378 720 #endif
Pokitto 24:9561281d0378 721
Pokitto 24:9561281d0378 722 #ifndef POK_SIM
Pokitto 24:9561281d0378 723 #if POK_ENABLE_SOUND
Pokitto 24:9561281d0378 724 /** HARDWARE **/
Pokitto 24:9561281d0378 725
Pokitto 24:9561281d0378 726 #if POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 727 if (streamstep) {
Pokitto 24:9561281d0378 728 pwmout_write(&audiopwm,(float)sbyte/(float)255);
Pokitto 24:9561281d0378 729 }
Pokitto 24:9561281d0378 730 #endif
Pokitto 24:9561281d0378 731 dac_write((uint8_t)output); //direct hardware mixing baby !
Pokitto 24:9561281d0378 732 soundbyte = output;
Pokitto 24:9561281d0378 733 #endif //POK_ENABLE_SOUND
Pokitto 24:9561281d0378 734 #else
Pokitto 24:9561281d0378 735 /** SIMULATOR **/
Pokitto 24:9561281d0378 736 #if POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 737 if (streamstep) {
Pokitto 24:9561281d0378 738 uint16_t o = output + sbyte;
Pokitto 24:9561281d0378 739 output = o/2;
Pokitto 24:9561281d0378 740 }
Pokitto 24:9561281d0378 741 #endif
Pokitto 24:9561281d0378 742 soundbyte = output;
Pokitto 24:9561281d0378 743 #endif // POK_SIM
Pokitto 24:9561281d0378 744 #endif
Pokitto 24:9561281d0378 745 }
Pokitto 24:9561281d0378 746
Pokitto 24:9561281d0378 747 void Sound::setPatternLooping(bool loop, uint8_t channel) {
Pokitto 24:9561281d0378 748 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 749 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 750 return;
Pokitto 24:9561281d0378 751 patternLooping[channel] = loop;
Pokitto 24:9561281d0378 752 #endif
Pokitto 24:9561281d0378 753 }
Pokitto 24:9561281d0378 754
Pokitto 24:9561281d0378 755 void Sound::playOK(){
Pokitto 24:9561281d0378 756 #if POK_GBSOUND
Pokitto 24:9561281d0378 757 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 758 playPattern(playOKPattern,0);
Pokitto 24:9561281d0378 759 #endif
Pokitto 24:9561281d0378 760 #endif // POK_GBSOUND
Pokitto 24:9561281d0378 761 }
Pokitto 24:9561281d0378 762
Pokitto 24:9561281d0378 763 void Sound::playCancel(){
Pokitto 24:9561281d0378 764 #if POK_GBSOUND
Pokitto 24:9561281d0378 765 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 766 playPattern(playCancelPattern,0);
Pokitto 24:9561281d0378 767 #endif
Pokitto 24:9561281d0378 768 #endif
Pokitto 24:9561281d0378 769 }
Pokitto 24:9561281d0378 770
Pokitto 24:9561281d0378 771 void Sound::playTick(){
Pokitto 24:9561281d0378 772 #if POK_GBSOUND
Pokitto 24:9561281d0378 773 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 774 playPattern(playTickP,0);
Pokitto 24:9561281d0378 775 #endif
Pokitto 24:9561281d0378 776 #endif // POK_GBSOUND
Pokitto 24:9561281d0378 777 }
Pokitto 24:9561281d0378 778
Pokitto 24:9561281d0378 779 void Sound::setVolume(int16_t volume) {
Pokitto 24:9561281d0378 780 //#if NUM_CHANNELS > 0
Pokitto 24:9561281d0378 781 if (volume<0) volume = 0;
Pokitto 24:9561281d0378 782 if (volume>volumeMax) volume = volumeMax;
Pokitto 24:9561281d0378 783 globalVolume = volume; // % (volumeMax+1);
Pokitto 24:9561281d0378 784 #ifndef POK_SIM
Pokitto 24:9561281d0378 785 volume = (volume / 2)-10;
Pokitto 24:9561281d0378 786 if (volume<0) volume = 0;
Pokitto 24:9561281d0378 787 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 788 setHWvolume(volume);
Pokitto 24:9561281d0378 789 #endif
Pokitto 24:9561281d0378 790 #endif
Pokitto 24:9561281d0378 791 #if POK_SHOW_VOLUME > 0
Pokitto 24:9561281d0378 792 _soundc.volbar_visible = VOLUMEBAR_TIMEOUT;
Pokitto 24:9561281d0378 793 #endif
Pokitto 24:9561281d0378 794 //#endif
Pokitto 24:9561281d0378 795 }
Pokitto 24:9561281d0378 796
Pokitto 24:9561281d0378 797 uint16_t Sound::getVolume() {
Pokitto 24:9561281d0378 798 //#if NUM_CHANNELS > 0
Pokitto 24:9561281d0378 799 return globalVolume;
Pokitto 24:9561281d0378 800 //#else
Pokitto 24:9561281d0378 801 // return 0;
Pokitto 24:9561281d0378 802 //#endif
Pokitto 24:9561281d0378 803 }
Pokitto 24:9561281d0378 804
Pokitto 24:9561281d0378 805 void Sound::setVolume(int8_t volume, uint8_t channel) {
Pokitto 24:9561281d0378 806 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 807 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 808 return;
Pokitto 24:9561281d0378 809 volume = (volume > VOLUME_CHANNEL_MAX) ? VOLUME_CHANNEL_MAX : volume;
Pokitto 24:9561281d0378 810 volume = (volume < 0) ? 0 : volume;
Pokitto 24:9561281d0378 811 chanVolumes[channel] = volume;
Pokitto 24:9561281d0378 812 #endif
Pokitto 24:9561281d0378 813 }
Pokitto 24:9561281d0378 814
Pokitto 24:9561281d0378 815 uint8_t Sound::getVolume(uint8_t channel) {
Pokitto 24:9561281d0378 816 #if(NUM_CHANNELS > 0)
Pokitto 24:9561281d0378 817 if(channel>=NUM_CHANNELS)
Pokitto 24:9561281d0378 818 return 255;
Pokitto 24:9561281d0378 819 return (chanVolumes[channel]);
Pokitto 24:9561281d0378 820 #else
Pokitto 24:9561281d0378 821 return 0;
Pokitto 24:9561281d0378 822 #endif
Pokitto 24:9561281d0378 823 }
Pokitto 24:9561281d0378 824
Pokitto 24:9561281d0378 825 void Sound::playTone(uint8_t os, int frq, uint8_t amp, uint8_t wav,uint8_t arpmode)
Pokitto 24:9561281d0378 826 {
Pokitto 24:9561281d0378 827 if (wav>5) wav=0;
Pokitto 24:9561281d0378 828 if (arpmode>MAX_ARPMODE) arpmode=MAX_ARPMODE;
Pokitto 24:9561281d0378 829 if (os==1) setOSC(&osc1,1,wav,1,0,0,frq,amp,0,0,0,0,0,0,arpmode,0,0);
Pokitto 24:9561281d0378 830 else if (os==2) setOSC(&osc2,1,wav,1,0,0,frq,amp,0,0,0,0,0,0,arpmode,0,0);
Pokitto 24:9561281d0378 831 else if (os==3) setOSC(&osc3,1,wav,1,0,0,frq,amp,0,0,0,0,0,0,arpmode,0,0);
Pokitto 24:9561281d0378 832 }
Pokitto 24:9561281d0378 833
Pokitto 24:9561281d0378 834 void Sound::playTone(uint8_t os, uint16_t frq, uint8_t volume, uint32_t duration)
Pokitto 24:9561281d0378 835 {
Pokitto 24:9561281d0378 836 if (os==1) setOSC(&osc1,1,WSAW,frq,volume,duration);
Pokitto 24:9561281d0378 837 else if (os==2) setOSC(&osc2,1,WTRI,frq,volume,duration);
Pokitto 24:9561281d0378 838 else if (os==3) setOSC(&osc3,1,WTRI,frq,volume,duration);
Pokitto 24:9561281d0378 839 }
Pokitto 24:9561281d0378 840
Pokitto 24:9561281d0378 841 uint8_t Sound::ampIsOn()
Pokitto 24:9561281d0378 842 {
Pokitto 24:9561281d0378 843 #ifdef POK_SIM
Pokitto 24:9561281d0378 844 return core.ampIsOn();
Pokitto 24:9561281d0378 845 #else
Pokitto 24:9561281d0378 846 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 847 return Pokitto::ampIsOn();
Pokitto 24:9561281d0378 848 #endif
Pokitto 24:9561281d0378 849 #endif // POK_SIM
Pokitto 24:9561281d0378 850 return 0;
Pokitto 24:9561281d0378 851 }
Pokitto 24:9561281d0378 852
Pokitto 24:9561281d0378 853 void Sound::ampEnable(uint8_t v) {
Pokitto 24:9561281d0378 854 #ifdef POK_SIM
Pokitto 24:9561281d0378 855 core.ampEnable(v);
Pokitto 24:9561281d0378 856 #else
Pokitto 24:9561281d0378 857 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 858 Pokitto::ampEnable(v);
Pokitto 24:9561281d0378 859 #endif
Pokitto 24:9561281d0378 860 #endif // POK_SIM
Pokitto 24:9561281d0378 861
Pokitto 24:9561281d0378 862 }
Pokitto 24:9561281d0378 863
Pokitto 24:9561281d0378 864 int Sound::playMusicStream(char* filename)
Pokitto 24:9561281d0378 865 {
Pokitto 24:9561281d0378 866 return playMusicStream(filename,0);
Pokitto 24:9561281d0378 867 }
Pokitto 24:9561281d0378 868
Pokitto 24:9561281d0378 869 int Sound::playMusicStream()
Pokitto 24:9561281d0378 870 {
Pokitto 24:9561281d0378 871 #if POK_STREAMING_MUSIC >0
Pokitto 24:9561281d0378 872 if (currentPtr) {
Pokitto 24:9561281d0378 873 pokPlayStream();
Pokitto 24:9561281d0378 874 return 1;
Pokitto 24:9561281d0378 875 } else return 0; //no stream
Pokitto 24:9561281d0378 876 #endif // POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 877 }
Pokitto 24:9561281d0378 878
Pokitto 24:9561281d0378 879 void Sound::pauseMusicStream() {
Pokitto 24:9561281d0378 880 #if POK_ENABLE_SOUND > 0
Pokitto 24:9561281d0378 881 pokPauseStream();
Pokitto 24:9561281d0378 882 #endif
Pokitto 24:9561281d0378 883 }
Pokitto 24:9561281d0378 884
Pokitto 24:9561281d0378 885 int Sound::playMusicStream(char* filename, uint8_t options)
Pokitto 24:9561281d0378 886 {
Pokitto 24:9561281d0378 887 #if POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 888 uint8_t result;
Pokitto 24:9561281d0378 889 result = pokInitSD();
Pokitto 24:9561281d0378 890 if (!isThisFileOpen(filename)) {
Pokitto 24:9561281d0378 891 fileClose(); // close any open files
Pokitto 24:9561281d0378 892 result = fileOpen(filename,FILE_MODE_OVERWRITE | FILE_MODE_BINARY);
Pokitto 24:9561281d0378 893 }
Pokitto 24:9561281d0378 894
Pokitto 24:9561281d0378 895 if (result) {
Pokitto 24:9561281d0378 896 currentPtr = 0; // mark that no stream is available
Pokitto 24:9561281d0378 897 return 0; // opening music file failed
Pokitto 24:9561281d0378 898 }
Pokitto 24:9561281d0378 899
Pokitto 24:9561281d0378 900 fileReadBytes(&buffers[0][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 901 fileReadBytes(&buffers[1][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 902 fileReadBytes(&buffers[2][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 903 fileReadBytes(&buffers[3][0],BUFFER_SIZE);
Pokitto 24:9561281d0378 904 currentBuffer = 0;
Pokitto 24:9561281d0378 905 currentPtr = buffers[currentBuffer];
Pokitto 24:9561281d0378 906 endPtr = currentPtr + BUFFER_SIZE;
Pokitto 24:9561281d0378 907
Pokitto 24:9561281d0378 908 //streaming = STR_PLAYING|options;
Pokitto 24:9561281d0378 909
Pokitto 24:9561281d0378 910 if (!options) pokPlayStream(); // activate stream
Pokitto 24:9561281d0378 911 #endif //POK_STREAMING_MUSIC
Pokitto 24:9561281d0378 912 return 1; // opening music file succeeded
Pokitto 24:9561281d0378 913 }
Pokitto 24:9561281d0378 914
Pokitto 24:9561281d0378 915