Revert "Changes to Music.h and Music.cpp"
This reverts commit 8b24803aa2fd9792ec9507376fc52fd238742b00.
This commit is contained in:
dviid
parent
8b24803aa2
commit
dbb6a746be
@ -1,30 +1,25 @@
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//Center
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//Center two motors control two frequencies. (jb&bv 25Jan13)
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//uses a variable force (pwm duty)
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//If it feels like a mountain - pushing away from center, then
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//reverse the motor leads
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//reverse the motor leads or the sign of forceA or forceB
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//or for a quick fix in the code: change if(f < 0) to if (f > 0)
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//#define NUM_OSCILLATORS 3
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//#include "config.h"
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#include <Motor.h>
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#include <Music.h>
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#include <Midi.h>
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// notes to me (bv)
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#include "Motor.h"
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#include "Music.h"
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int posA, posB; // position from analogRead
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int forceA, forceB; // computed from pos and k
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int kA = -5; // spring constant
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int kB = 1; // spring constant
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int kA = 2; // spring constant
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int kB = 2; // spring constant
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//int duty; // pwm duty for Timer1 (range 0 - 1023) 10-bit resolution
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void setup()
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{
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MotorA.init();
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Music.init();
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Music.setWaveform(1); // only works with 8bit waveforms
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//Music.setGain2(0);
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//Music.setGain3(0);
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Midi.init();
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Music.init(); // 12-bit sine default (see .cpp file)
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//Music.setWaveform(0); // only works with 8bit waveforms
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}
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void loop()
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@ -35,18 +30,12 @@ void loop()
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Music.setFrequency1(posA);
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Music.setFrequency2(posB);
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//Music.setDetune((posB/8)/5120.0);
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forceA = kA * (512 - posA);
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forceA = - kA * (512 - posA); // check wiring???
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forceB = kB * (512 - posB);
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//duty = abs(force);
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//duty = min(512, duty);
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MotorA.torque(forceA);
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MotorA.torque(forceA); // forceA [-512 to +511] ???
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MotorB.torque(forceB);
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Midi.checkMidi();
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}
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@ -195,16 +195,13 @@ void MMidi::controller(uint8_t channel, uint8_t number, uint8_t value) {
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}
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break;
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case GAIN1:
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//Music.setGain1(uint16_t(value * 512));
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Music.setGain1(value / 127.0);
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Music.setGain1(uint16_t(value * 512));
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break;
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case GAIN2:
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//Music.setGain2(uint16_t(value * 512));
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Music.setGain2(value / 127.0);
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Music.setGain2(uint16_t(value * 512));
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break;
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case GAIN3:
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//Music.setGain3(uint16_t(value * 512));
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Music.setGain3(value / 127.0);
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Music.setGain3(uint16_t(value * 512));
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break;
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case WAVEFORM:
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Music.setWaveform(value / 8);
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@ -21,4 +21,756 @@
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+ contact: j.bak@ciid.dk
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*/
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//#include "Music.h"
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#include "Music.h"
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#include "Wavetable.h"
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// Table of MIDI note values to frequency in Hertz
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prog_uint16_t hertsTable[] PROGMEM = {8,8,9,9,10,10,11,12,12,13,14,15,16,17,18,19,20,21,23,24,25,27,29,30,32,34,36,38,41,43,46,48,51,54,58,61,65,69,73,77,82,87,92,97,103,109,116,123,130,138,146,155,164,174,184,195,207,219,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543};
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prog_uint32_t envTimeTable[] PROGMEM = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,33,34,35,36,37,38,39,41,42,43,45,46,48,49,51,53,55,57,59,61,63,65,67,70,73,75,78,81,85,88,92,96,100,104,109,114,119,125,131,138,146,154,163,172,183,195,209,225,242,261,284,310,341,379,425,482,556,654,792,998,1342,2030,4095};
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float semitoneTable[] = {0.25,0.2648658,0.2806155,0.29730177,0.31498027,0.33370996,0.35355338,0.37457678,0.39685026,0.4204482,0.44544938,0.47193715,0.5,0.5297315,0.561231,0.59460354,0.62996054,0.6674199,0.70710677,0.74915355,0.7937005,0.8408964,0.8908987,0.9438743,1.0,1.0594631,1.122462,1.1892071,1.2599211,1.3348398,1.4142135,1.4983071,1.587401,1.6817929,1.7817974,1.8877486,2.0,2.1189263,2.244924,2.3784142,2.5198421,2.6696796,2.828427,2.9966142,3.174802,3.3635857,3.563595,3.7754972,4.0};
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MMusic Music;
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// Defining which pins the SPI interface is connected to.
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#define SPI_SCK 5
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#define SPI_MOSI 3
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//////////////////////////////////////////////////////////
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//
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// AUDIO INTERRUPT. USE EITHER 8bit or 12bitSine VERSION
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// COMMENT OUT THE ONE YOU ARE NOT USING
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//
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//////////////////////////////////////////////////////////
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ISR(TIMER2_COMPA_vect) { // timer 2 is audio interrupt timer
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OCR2A = 127; // don't change this
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Music.synthInterrupt8bit();
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// Music.synthInterrupt12bitSine();
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}
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/////////////////////////////////////
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//
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// INITIALIZING FUNCTION
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//
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/////////////////////////////////////
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void MMusic::init()
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{
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// clear interrupts. to make sure the interrupt timer doesn't start until we've set it up.
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//cli();
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// set up syntheziser
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// this is the timer 2 audio rate timer, fires an interrupt at 15625 Hz sampling rate
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TIMSK2 = 1<<OCIE2A; // interrupt enable audio timer
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OCR2A = 127;
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TCCR2A = 2; // CTC mode, counts up to 127 then resets
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TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
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// OUTPUTS
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// sck + mosi + ss
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DDRB |= (1 << DDB2) | (1 << DDB3) | (1 << DDB5);
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// dac_cs output
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DDRD |= (1 << DDD6) | (1 << DDB3);
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// set up SPI port
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SPCR = 0x50;
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SPSR = 0x01;
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// DAC frame sync HIGH, so that the SPI port doesn't start wirting straight away
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PORTD |= (1<<6);
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// waveform setup
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//setSine();
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setWaveform(0);
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// frequency setup
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setFrequency(440);
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setSemitone1(0);
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setSemitone2(0);
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setSemitone3(0);
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setDetune(0);
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// gain setup
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setGain(1.0f);
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setGain1(1.0f);
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setGain2(1.0f);
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setGain3(1.0f);
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// envelope setup
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setEnvStage(0);
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disableEnvelope();
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env = 0;
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setAttack(4);
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setDecay(90);
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setSustain(32);
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setRelease(64);
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setVelSustain(0);
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//sei(); // global interrupt enable
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Serial.println("MUSIC INITIALIZED!");
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}
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/////////////////////////////////////
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//
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// FREQUENCY AND DETUNE FUNCTIONS
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//
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/////////////////////////////////////
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void MMusic::setFrequency(float freq)
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{
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period1 = uint16_t(((freq * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
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period2 = uint16_t(((freq * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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period3 = uint16_t(((freq * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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frequency = freq;
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frequency1 = freq;
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frequency2 = freq;
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frequency3 = freq;
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}
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void MMusic::setFrequency1(float freq)
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{
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frequency1 = freq;
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period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setFrequency2(float freq)
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{
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frequency2 = freq;
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period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setFrequency3(float freq)
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{
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frequency3 = freq;
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period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setSemitone1(int8_t semi)
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{
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if(-25 < semi && semi < 25){
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semi1 = semitoneTable[semi+24];
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} else if (semi < -24) {
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semi1 = semitoneTable[0];
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} else {
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semi1 = semitoneTable[48];
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}
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period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setSemitone2(int8_t semi)
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{
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if(-25 < semi && semi < 25){
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semi2 = semitoneTable[semi+24];
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} else if (semi < -24) {
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semi2 = semitoneTable[0];
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} else {
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semi2 = semitoneTable[48];
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}
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period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setSemitone3(int8_t semi)
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{
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if(-25 < semi && semi < 25){
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semi3 = semitoneTable[semi+24];
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} else if (semi < -24) {
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semi3 = semitoneTable[0];
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} else {
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semi3 = semitoneTable[48];
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}
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period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setDetune(float detune)
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{
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detune1 = 0.0;
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detune2 = detune;
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detune3 = -detune;
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period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setDetune1(float detune)
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{
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detune1 = detune;
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period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setDetune2(float detune)
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{
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detune2 = detune;
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period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::setDetune3(float detune)
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{
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detune3 = detune;
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period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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void MMusic::pitchBend(float b)
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{
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bend = b;
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period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
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period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
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period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
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}
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/////////////////////////////////////
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//
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// WAVEFORM FUNCTIONS
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//
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/////////////////////////////////////
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void MMusic::setWaveform(uint16_t waveForm)
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{
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waveForm1 = waveForm * 256;
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waveForm2 = waveForm * 256;
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waveForm3 = waveForm * 256;
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}
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void MMusic::setWaveform1(uint16_t waveForm)
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{
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waveForm1 = waveForm * 256;
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}
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void MMusic::setWaveform2(uint16_t waveForm)
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{
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waveForm2 = waveForm * 256;
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}
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void MMusic::setWaveform3(uint16_t waveForm)
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{
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waveForm3 = waveForm * 256;
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}
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/////////////////////////////////////
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//
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// GAIN FUNCTIONS
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//
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/////////////////////////////////////
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void MMusic::setGainFloat(float value)
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{
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gain = uint16_t(value * 65535);
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gain1 = gain;
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gain2 = gain;
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gain3 = gain;
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}
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void MMusic::setGain16bit(uint16_t value)
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{
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gain = value;
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gain1 = value;
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gain2 = value;
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gain3 = value;
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}
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void MMusic::setGain(float value)
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{
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gain = uint16_t(value * 65535);
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gain1 = gain;
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gain2 = gain;
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gain3 = gain;
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}
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void MMusic::setGain(uint16_t value)
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{
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gain = value;
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gain1 = value;
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gain2 = value;
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gain3 = value;
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}
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void MMusic::setGain1(float value)
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{
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gain1 = uint16_t(value * 65535);
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}
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void MMusic::setGain2(float value)
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{
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gain2 = uint16_t(value * 65535);
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}
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void MMusic::setGain3(float value)
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{
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gain3 = uint16_t(value * 65535);
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}
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void MMusic::setGain1(uint16_t value)
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{
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gain1 = value;
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}
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void MMusic::setGain2(uint16_t value)
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{
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gain2 = value;
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}
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void MMusic::setGain3(uint16_t value)
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{
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gain3 = value;
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}
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float MMusic::getGainFloat()
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{
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return float(gain)/65535.0;
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}
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float MMusic::getGain1Float()
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{
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return float(gain1)/65535.0;
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}
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float MMusic::getGain2Float()
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{
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return float(gain2)/65535.0;
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}
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float MMusic::getGain3Float()
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{
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return float(gain3)/65535.0;
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}
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uint16_t MMusic::getGain()
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{
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return gain;
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}
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uint16_t MMusic::getGain1()
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{
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return gain1;
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}
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uint16_t MMusic::getGain2()
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{
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return gain2;
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}
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uint16_t MMusic::getGain3()
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{
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return gain3;
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}
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/////////////////////////////////////
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//
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// NOTE_ON/OFF FUNCTIONS
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//
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/////////////////////////////////////
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void MMusic::noteOn(uint8_t note, uint8_t vel)
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{
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envStage = 1;
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setVelSustain(vel);
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setVelPeak(vel);
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notePlayed = note;
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memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
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setFrequency1(frequency16bit);
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setFrequency2(frequency16bit);
|
||||
setFrequency3(frequency16bit);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOn(uint8_t note)
|
||||
{
|
||||
envStage = 1;
|
||||
setVelSustain(127);
|
||||
setVelPeak(127);
|
||||
notePlayed = note;
|
||||
memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
|
||||
setFrequency1(frequency16bit);
|
||||
setFrequency2(frequency16bit);
|
||||
setFrequency3(frequency16bit);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOff(uint8_t note)
|
||||
{
|
||||
if(notePlayed == note) {
|
||||
envStage = 4;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOff()
|
||||
{
|
||||
envStage = 4;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// ENVELOPE FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
void MMusic::enableEnvelope()
|
||||
{
|
||||
envelopeOn = true;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::disableEnvelope()
|
||||
{
|
||||
envelopeOn = false;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setEnvStage(uint8_t stage)
|
||||
{
|
||||
envStage = stage;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setAttack16bit(uint16_t att)
|
||||
{
|
||||
attack = att;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDecay16bit(uint16_t dec)
|
||||
{
|
||||
decay = dec;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSustain16bit(uint16_t sus)
|
||||
{
|
||||
sustain = sus;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setRelease16bit(uint16_t rel)
|
||||
{
|
||||
release = rel;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setAttack(uint8_t att)
|
||||
{
|
||||
if(att>127) att = 127;
|
||||
memcpy_P(&attack, &envTimeTable[127 - att],2);
|
||||
//attack = envTimeTable[127 - att];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDecay(uint8_t dec)
|
||||
{
|
||||
if(dec>127) dec = 127;
|
||||
memcpy_P(&decay, &envTimeTable[127 - dec],2);
|
||||
//decay = envTimeTable[127 - dec];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSustain(uint8_t sus)
|
||||
{
|
||||
sustain = ((sus * MAX_ENV_GAIN)/128);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setRelease(uint8_t rel)
|
||||
{
|
||||
if(rel>127) rel = 127;
|
||||
memcpy_P(&release, &envTimeTable[127 - rel],2);
|
||||
//release = envTimeTable[127 - rel];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setVelSustain(uint8_t vel)
|
||||
{
|
||||
velSustain = vel * (sustain / 128);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setVelPeak(uint8_t vel)
|
||||
{
|
||||
velPeak = vel * (MAX_ENV_GAIN / 128);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////
|
||||
//
|
||||
// 8 BIT WAVETABLE - AUDIO INTERRUPT SERVICE ROUTINE
|
||||
//
|
||||
/////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
void inline MMusic::synthInterrupt8bit()
|
||||
{
|
||||
PORTD &= ~(1<<3);
|
||||
|
||||
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
|
||||
PORTD &= ~(1<<6);
|
||||
|
||||
accumulator1 = accumulator1 + period1;
|
||||
index1 = accumulator1 >> 8;
|
||||
//oscil1 = 0;
|
||||
memcpy_P(&oscil1, &waveTable[index1 + waveForm1],1);
|
||||
sample = (oscil1 * gain1);
|
||||
|
||||
#if(NUM_OSCILLATORS==2 || NUM_OSCILLATORS==3)
|
||||
|
||||
accumulator2 = accumulator2 + period2;
|
||||
index2 = accumulator2 >> 8;
|
||||
//oscil2 = 0;
|
||||
memcpy_P(&oscil2, &waveTable[index2 + waveForm2],1);
|
||||
sample += (oscil2 * gain2);
|
||||
|
||||
#endif
|
||||
#if NUM_OSCILLATORS==3
|
||||
|
||||
accumulator3 = accumulator3 + period3;
|
||||
index3 = accumulator3 >> 8;
|
||||
//oscil3 = 0;
|
||||
memcpy_P(&oscil3, &waveTable[index3 + waveForm3],1);
|
||||
sample += (oscil3 * gain3);
|
||||
|
||||
#endif
|
||||
|
||||
sample >>= 10;
|
||||
|
||||
|
||||
// AMPLIFICATION ENVELOPE
|
||||
// Amplification envelope is calculated here
|
||||
if(envelopeOn) {
|
||||
|
||||
// Attack
|
||||
if(envStage == 1) {
|
||||
env += attack;
|
||||
if(velPeak < env) {
|
||||
env = velPeak;
|
||||
envStage = 2;
|
||||
}
|
||||
}
|
||||
// Decay
|
||||
else if(envStage == 2) {
|
||||
env -= decay;
|
||||
if(env < velSustain || MAX_ENV_GAIN < env) {
|
||||
env = velSustain;
|
||||
envStage = 3;
|
||||
}
|
||||
}
|
||||
// Sustain
|
||||
else if (envStage == 3) {
|
||||
env = velSustain;
|
||||
}
|
||||
|
||||
// Release
|
||||
else if (envStage == 4) {
|
||||
env -= release;
|
||||
if(MAX_ENV_GAIN < env) {
|
||||
env = 0;
|
||||
envStage = 0;
|
||||
}
|
||||
}
|
||||
|
||||
// No gain
|
||||
else if (envStage == 0) {
|
||||
env = 0;
|
||||
accumulator1 = 0;
|
||||
accumulator2 = 0;
|
||||
accumulator3 = 0;
|
||||
}
|
||||
|
||||
} else {
|
||||
env = 65535;
|
||||
}
|
||||
|
||||
// Adding the amplification envelope (16bit) we bring it back to the 16bit frame again afterwards.
|
||||
sample = (env * sample) >> 16;
|
||||
|
||||
|
||||
// Formatting the samples to be transfered to the MCP4921 DAC
|
||||
dacSPI0 = sample >> 8;
|
||||
dacSPI0 >>= 4;
|
||||
dacSPI0 |= 0x30;
|
||||
dacSPI1 = sample >> 4;
|
||||
|
||||
SPCR |= (1 << MSTR);
|
||||
|
||||
// transmit value out the SPI port
|
||||
SPDR = dacSPI0;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
SPDR = dacSPI1;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<6);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////
|
||||
//
|
||||
// 12 BIT SINEWAVE - AUDIO INTERRUPT SERVICE ROUTINE
|
||||
//
|
||||
/////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
void MMusic::synthInterrupt12bitSine()
|
||||
{
|
||||
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
|
||||
PORTD &= ~(1<<6);
|
||||
|
||||
accumulator1 = accumulator1 + period1;
|
||||
index1 = accumulator1 >> 4;
|
||||
memcpy_P(&oscil1, &sineTable[index1],2);
|
||||
sample = (oscil1 * gain1) << 2;
|
||||
|
||||
#if(NUM_OSCILLATORS==2 || NUM_OSCILLATORS==3)
|
||||
|
||||
accumulator2 = accumulator2 + period2;
|
||||
index2 = accumulator2 >> 4;
|
||||
memcpy_P(&oscil2, &sineTable[index2],2);
|
||||
sample += (oscil2 * gain2) << 2;
|
||||
|
||||
#endif
|
||||
#if NUM_OSCILLATORS==3
|
||||
|
||||
accumulator3 = accumulator3 + period3;
|
||||
index3 = accumulator3 >> 4;
|
||||
memcpy_P(&oscil3, &sineTable[index3],2);
|
||||
sample += (oscil3 * gain3) << 2;
|
||||
|
||||
#endif
|
||||
|
||||
sample >>= 16;
|
||||
|
||||
|
||||
// AMPLIFICATION ENVELOPE
|
||||
// Amplification envelope is calculated here
|
||||
if(envelopeOn) {
|
||||
|
||||
// Attack
|
||||
if(envStage == 1) {
|
||||
env += attack;
|
||||
if(velPeak < env) {
|
||||
env = velPeak;
|
||||
envStage = 2;
|
||||
}
|
||||
}
|
||||
// Decay
|
||||
else if(envStage == 2) {
|
||||
env -= decay;
|
||||
if(env < velSustain || MAX_ENV_GAIN < env) {
|
||||
env = velSustain;
|
||||
envStage = 3;
|
||||
}
|
||||
}
|
||||
// Sustain
|
||||
else if (envStage == 3) {
|
||||
env = velSustain;
|
||||
}
|
||||
|
||||
// Release
|
||||
else if (envStage == 4) {
|
||||
env -= release;
|
||||
if(MAX_ENV_GAIN < env) {
|
||||
env = 0;
|
||||
envStage = 0;
|
||||
}
|
||||
}
|
||||
/*
|
||||
// No gain
|
||||
else if (envStage == 0) {
|
||||
env = 0;
|
||||
//accumulator1 = 0;
|
||||
//accumulator2 = 0;
|
||||
//accumulator3 = 0;
|
||||
}
|
||||
*/
|
||||
} else {
|
||||
env = 65535;
|
||||
}
|
||||
|
||||
// Adding the amplification envelope (16bit) we bring it back to the 16bit frame again afterwards.
|
||||
sample = (env * sample) >> 16;
|
||||
|
||||
// Formatting the samples to be transfered to the MCP4921 DAC
|
||||
dacSPI0 = sample >> 8;
|
||||
dacSPI0 >>= 4;
|
||||
dacSPI0 |= 0x30;
|
||||
dacSPI1 = sample >> 4;
|
||||
|
||||
SPCR |= (1 << MSTR);
|
||||
|
||||
// transmit value out the SPI port
|
||||
SPDR = dacSPI0;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
SPDR = dacSPI1;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<6);
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<3);
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
@ -25,51 +25,32 @@
|
||||
#ifndef Music_h // include guard
|
||||
#define Music_h
|
||||
|
||||
#include "Arduino.h"
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <hardwareSerial.h>
|
||||
|
||||
#include "Wavetable.h"
|
||||
|
||||
|
||||
////////////////////////////////////
|
||||
//
|
||||
// SET NUMBER OF OSCILLATORS HERE.
|
||||
// SHOULD BE 1, 2 or 3
|
||||
//
|
||||
////////////////////////////////////
|
||||
//#define NUM_OSCILLATORS 3 //edited BV 29Jan13.
|
||||
#define NUM_OSCILLATORS 3 //edited BV 29Jan13.
|
||||
|
||||
|
||||
// current sample rate is 15625 as defined in the init() section
|
||||
#define SAMPLE_RATE 15625
|
||||
|
||||
#ifndef NUM_OSCILLATORS
|
||||
#define NUM_OSCILLATORS 1
|
||||
#error NUM_OSCILLATORS should be defined in the Music.h file in the libraries/MMM folder.
|
||||
#elif (NUM_OSCILLATORS == 1)||(NUM_OSCILLATORS == 2)||(NUM_OSCILLATORS == 3)
|
||||
#else
|
||||
#error NUM_OSCILLATORS shall be 1, 2 or 3
|
||||
#error NUM_OSCILLATORS shall be 1, 2 or 3
|
||||
#endif
|
||||
|
||||
// Maximum possible value for amplification envelope
|
||||
#define MAX_ENV_GAIN 65535
|
||||
|
||||
|
||||
|
||||
// Table of MIDI note values to frequency in Hertz
|
||||
prog_uint16_t hertsTable[] PROGMEM = {8,8,9,9,10,10,11,12,12,13,14,15,16,17,18,19,20,21,23,24,25,27,29,30,32,34,36,38,41,43,46,48,51,54,58,61,65,69,73,77,82,87,92,97,103,109,116,123,130,138,146,155,164,174,184,195,207,219,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543};
|
||||
|
||||
prog_uint32_t envTimeTable[] PROGMEM = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,33,34,35,36,37,38,39,41,42,43,45,46,48,49,51,53,55,57,59,61,63,65,67,70,73,75,78,81,85,88,92,96,100,104,109,114,119,125,131,138,146,154,163,172,183,195,209,225,242,261,284,310,341,379,425,482,556,654,792,998,1342,2030,4095};
|
||||
|
||||
float semitoneTable[] = {0.25,0.2648658,0.2806155,0.29730177,0.31498027,0.33370996,0.35355338,0.37457678,0.39685026,0.4204482,0.44544938,0.47193715,0.5,0.5297315,0.561231,0.59460354,0.62996054,0.6674199,0.70710677,0.74915355,0.7937005,0.8408964,0.8908987,0.9438743,1.0,1.0594631,1.122462,1.1892071,1.2599211,1.3348398,1.4142135,1.4983071,1.587401,1.6817929,1.7817974,1.8877486,2.0,2.1189263,2.244924,2.3784142,2.5198421,2.6696796,2.828427,2.9966142,3.174802,3.3635857,3.563595,3.7754972,4.0};
|
||||
|
||||
// Defining which pins the SPI interface is connected to.
|
||||
#define SPI_SCK 5
|
||||
#define SPI_MOSI 3
|
||||
|
||||
|
||||
|
||||
#include "Arduino.h"
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <hardwareSerial.h>
|
||||
|
||||
class MMusic {
|
||||
public:
|
||||
@ -102,28 +83,24 @@ public:
|
||||
void setWaveform3(uint16_t waveForm); //
|
||||
|
||||
// GAIN FUNCTIONS
|
||||
//void setGainFloat(float value); // 0.0 - 1.0
|
||||
//void setGain16bit(uint16_t value); // 0 - 65535
|
||||
//void setGain(uint16_t value); // 0 - 65535
|
||||
void setGainFloat(float value); // 0.0 - 1.0
|
||||
void setGain16bit(uint16_t value); // 0 - 65535
|
||||
void setGain(uint16_t value); // 0 - 65535
|
||||
void setGain(float value); // 0.0 - 1.0 USE THIS
|
||||
//void setGain1(uint16_t value); // 0 - 65535
|
||||
//void setGain2(uint16_t value); // 0 - 65535
|
||||
//void setGain3(uint16_t value); // 0 - 65535
|
||||
//float getGainFloat(); // 0.0 - 1.0 USE THIS
|
||||
void setGain1(uint16_t value); // 0 - 65535
|
||||
void setGain2(uint16_t value); // 0 - 65535
|
||||
void setGain3(uint16_t value); // 0 - 65535
|
||||
void setGain1(float value); // 0.0 - 1.0 USE THIS
|
||||
void setGain2(float value); // 0.0 - 1.0 USE THIS
|
||||
void setGain3(float value); // 0.0 - 1.0 USE THIS
|
||||
//float getGain1Float(); // 0.0 - 1.0 USE THIS
|
||||
//float getGain2Float(); // 0.0 - 1.0 USE THIS
|
||||
//float getGain3Float(); // 0.0 - 1.0 USE THIS
|
||||
float getGain(); // 0.0 - 1.0 USE THIS
|
||||
float getGain1(); // 0.0 - 1.0 USE THIS
|
||||
float getGain2(); // 0.0 - 1.0 USE THIS
|
||||
float getGain3(); // 0.0 - 1.0 USE THIS
|
||||
//uint16_t getGain();
|
||||
//uint16_t getGain1();
|
||||
//uint16_t getGain2();
|
||||
//uint16_t getGain3();
|
||||
float getGain1Float(); // 0.0 - 1.0 USE THIS
|
||||
float getGain2Float(); // 0.0 - 1.0 USE THIS
|
||||
float getGain3Float(); // 0.0 - 1.0 USE THIS
|
||||
float getGainFloat(); // 0.0 - 1.0 USE THIS
|
||||
uint16_t getGain();
|
||||
uint16_t getGain1();
|
||||
uint16_t getGain2();
|
||||
uint16_t getGain3();
|
||||
|
||||
// NOTE FUNCTIONS
|
||||
void noteOn(uint8_t note, uint8_t vel); // 0 - 255
|
||||
@ -221,771 +198,4 @@ private:
|
||||
|
||||
extern MMusic Music;
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////
|
||||
//
|
||||
// 8 BIT WAVETABLE - AUDIO INTERRUPT SERVICE ROUTINE
|
||||
//
|
||||
/////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
void inline MMusic::synthInterrupt8bit()
|
||||
{
|
||||
PORTD &= ~(1<<3);
|
||||
|
||||
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
|
||||
PORTD &= ~(1<<6);
|
||||
|
||||
accumulator1 = accumulator1 + period1;
|
||||
index1 = accumulator1 >> 8;
|
||||
//oscil1 = 0;
|
||||
memcpy_P(&oscil1, &waveTable[index1 + waveForm1],1);
|
||||
sample = (oscil1 * gain1);
|
||||
|
||||
#if (NUM_OSCILLATORS==2) || (NUM_OSCILLATORS==3)
|
||||
|
||||
accumulator2 = accumulator2 + period2;
|
||||
index2 = accumulator2 >> 8;
|
||||
//oscil2 = 0;
|
||||
memcpy_P(&oscil2, &waveTable[index2 + waveForm2],1);
|
||||
sample += (oscil2 * gain2);
|
||||
|
||||
#endif
|
||||
#if NUM_OSCILLATORS==3
|
||||
|
||||
accumulator3 = accumulator3 + period3;
|
||||
index3 = accumulator3 >> 8;
|
||||
//oscil3 = 0;
|
||||
memcpy_P(&oscil3, &waveTable[index3 + waveForm3],1);
|
||||
sample += (oscil3 * gain3);
|
||||
|
||||
#endif
|
||||
|
||||
sample >>= 10;
|
||||
|
||||
|
||||
// AMPLIFICATION ENVELOPE
|
||||
// Amplification envelope is calculated here
|
||||
if(envelopeOn) {
|
||||
|
||||
// Attack
|
||||
if(envStage == 1) {
|
||||
env += attack;
|
||||
if(velPeak < env) {
|
||||
env = velPeak;
|
||||
envStage = 2;
|
||||
}
|
||||
}
|
||||
// Decay
|
||||
else if(envStage == 2) {
|
||||
env -= decay;
|
||||
if(env < velSustain || MAX_ENV_GAIN < env) {
|
||||
env = velSustain;
|
||||
envStage = 3;
|
||||
}
|
||||
}
|
||||
// Sustain
|
||||
else if (envStage == 3) {
|
||||
env = velSustain;
|
||||
}
|
||||
|
||||
// Release
|
||||
else if (envStage == 4) {
|
||||
env -= release;
|
||||
if(MAX_ENV_GAIN < env) {
|
||||
env = 0;
|
||||
envStage = 0;
|
||||
}
|
||||
}
|
||||
|
||||
// No gain
|
||||
else if (envStage == 0) {
|
||||
env = 0;
|
||||
accumulator1 = 0;
|
||||
accumulator2 = 0;
|
||||
accumulator3 = 0;
|
||||
}
|
||||
|
||||
} else {
|
||||
env = 65535;
|
||||
}
|
||||
|
||||
// Adding the amplification envelope (16bit) we bring it back to the 16bit frame again afterwards.
|
||||
sample = (env * sample) >> 16;
|
||||
|
||||
|
||||
// Formatting the samples to be transfered to the MCP4921 DAC
|
||||
dacSPI0 = sample >> 8;
|
||||
dacSPI0 >>= 4;
|
||||
dacSPI0 |= 0x30;
|
||||
dacSPI1 = sample >> 4;
|
||||
|
||||
SPCR |= (1 << MSTR);
|
||||
|
||||
// transmit value out the SPI port
|
||||
SPDR = dacSPI0;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
SPDR = dacSPI1;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<6);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////////////////////////
|
||||
//
|
||||
// 12 BIT SINEWAVE - AUDIO INTERRUPT SERVICE ROUTINE
|
||||
//
|
||||
/////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
void MMusic::synthInterrupt12bitSine()
|
||||
{
|
||||
// Frame sync low for SPI (making it low here so that we can measure lenght of interrupt with scope)
|
||||
PORTD &= ~(1<<6);
|
||||
|
||||
accumulator1 = accumulator1 + period1;
|
||||
index1 = accumulator1 >> 4;
|
||||
memcpy_P(&oscil1, &sineTable[index1],2);
|
||||
sample = (oscil1 * gain1) << 2;
|
||||
|
||||
#if (NUM_OSCILLATORS==2) || (NUM_OSCILLATORS==3)
|
||||
|
||||
accumulator2 = accumulator2 + period2;
|
||||
index2 = accumulator2 >> 4;
|
||||
memcpy_P(&oscil2, &sineTable[index2],2);
|
||||
sample += (oscil2 * gain2) << 2;
|
||||
|
||||
#endif
|
||||
#if NUM_OSCILLATORS==3
|
||||
|
||||
accumulator3 = accumulator3 + period3;
|
||||
index3 = accumulator3 >> 4;
|
||||
memcpy_P(&oscil3, &sineTable[index3],2);
|
||||
sample += (oscil3 * gain3) << 2;
|
||||
|
||||
#endif
|
||||
|
||||
sample >>= 16;
|
||||
|
||||
|
||||
// AMPLIFICATION ENVELOPE
|
||||
// Amplification envelope is calculated here
|
||||
if(envelopeOn) {
|
||||
|
||||
// Attack
|
||||
if(envStage == 1) {
|
||||
env += attack;
|
||||
if(velPeak < env) {
|
||||
env = velPeak;
|
||||
envStage = 2;
|
||||
}
|
||||
}
|
||||
// Decay
|
||||
else if(envStage == 2) {
|
||||
env -= decay;
|
||||
if(env < velSustain || MAX_ENV_GAIN < env) {
|
||||
env = velSustain;
|
||||
envStage = 3;
|
||||
}
|
||||
}
|
||||
// Sustain
|
||||
else if (envStage == 3) {
|
||||
env = velSustain;
|
||||
}
|
||||
|
||||
// Release
|
||||
else if (envStage == 4) {
|
||||
env -= release;
|
||||
if(MAX_ENV_GAIN < env) {
|
||||
env = 0;
|
||||
envStage = 0;
|
||||
}
|
||||
}
|
||||
/*
|
||||
// No gain
|
||||
else if (envStage == 0) {
|
||||
env = 0;
|
||||
//accumulator1 = 0;
|
||||
//accumulator2 = 0;
|
||||
//accumulator3 = 0;
|
||||
}
|
||||
*/
|
||||
} else {
|
||||
env = 65535;
|
||||
}
|
||||
|
||||
// Adding the amplification envelope (16bit) we bring it back to the 16bit frame again afterwards.
|
||||
sample = (env * sample) >> 16;
|
||||
|
||||
// Formatting the samples to be transfered to the MCP4921 DAC
|
||||
dacSPI0 = sample >> 8;
|
||||
dacSPI0 >>= 4;
|
||||
dacSPI0 |= 0x30;
|
||||
dacSPI1 = sample >> 4;
|
||||
|
||||
SPCR |= (1 << MSTR);
|
||||
|
||||
// transmit value out the SPI port
|
||||
SPDR = dacSPI0;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
SPDR = dacSPI1;
|
||||
while (!(SPSR & (1<<SPIF))); // Maybe this can be optimised
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<6);
|
||||
|
||||
// Frame sync high
|
||||
PORTD |= (1<<3);
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
MMusic Music;
|
||||
|
||||
//////////////////////////////////////////////////////////
|
||||
//
|
||||
// AUDIO INTERRUPT. USE EITHER 8bit or 12bitSine VERSION
|
||||
// COMMENT OUT THE ONE YOU ARE NOT USING
|
||||
//
|
||||
//////////////////////////////////////////////////////////
|
||||
ISR(TIMER2_COMPA_vect) { // timer 2 is audio interrupt timer
|
||||
|
||||
OCR2A = 127; // don't change this
|
||||
|
||||
Music.synthInterrupt8bit();
|
||||
|
||||
// Music.synthInterrupt12bitSine();
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// INITIALIZING FUNCTION
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
void MMusic::init()
|
||||
{
|
||||
// clear interrupts. to make sure the interrupt timer doesn't start until we've set it up.
|
||||
//cli();
|
||||
|
||||
// set up syntheziser
|
||||
// this is the timer 2 audio rate timer, fires an interrupt at 15625 Hz sampling rate
|
||||
TIMSK2 = 1<<OCIE2A; // interrupt enable audio timer
|
||||
OCR2A = 127;
|
||||
TCCR2A = 2; // CTC mode, counts up to 127 then resets
|
||||
TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
|
||||
|
||||
// OUTPUTS
|
||||
// sck + mosi + ss
|
||||
DDRB |= (1 << DDB2) | (1 << DDB3) | (1 << DDB5);
|
||||
// dac_cs output
|
||||
DDRD |= (1 << DDD6) | (1 << DDB3);
|
||||
|
||||
// set up SPI port
|
||||
SPCR = 0x50;
|
||||
SPSR = 0x01;
|
||||
|
||||
// DAC frame sync HIGH, so that the SPI port doesn't start wirting straight away
|
||||
PORTD |= (1<<6);
|
||||
|
||||
// waveform setup
|
||||
//setSine();
|
||||
setWaveform(0);
|
||||
|
||||
// frequency setup
|
||||
setFrequency(440);
|
||||
setSemitone1(0);
|
||||
setSemitone2(0);
|
||||
setSemitone3(0);
|
||||
setDetune(0);
|
||||
|
||||
// gain setup
|
||||
setGain(1.0f);
|
||||
setGain1(1.0f);
|
||||
setGain2(1.0f);
|
||||
setGain3(1.0f);
|
||||
|
||||
// envelope setup
|
||||
setEnvStage(0);
|
||||
disableEnvelope();
|
||||
env = 0;
|
||||
|
||||
setAttack(4);
|
||||
setDecay(90);
|
||||
setSustain(32);
|
||||
setRelease(64);
|
||||
setVelSustain(0);
|
||||
|
||||
//sei(); // global interrupt enable
|
||||
|
||||
//Serial.println("MUSIC INITIALIZED!");
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// FREQUENCY AND DETUNE FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
void MMusic::setFrequency(float freq)
|
||||
{
|
||||
period1 = uint16_t(((freq * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
period2 = uint16_t(((freq * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
period3 = uint16_t(((freq * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
frequency = freq;
|
||||
frequency1 = freq;
|
||||
frequency2 = freq;
|
||||
frequency3 = freq;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setFrequency1(float freq)
|
||||
{
|
||||
frequency1 = freq;
|
||||
period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setFrequency2(float freq)
|
||||
{
|
||||
frequency2 = freq;
|
||||
period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setFrequency3(float freq)
|
||||
{
|
||||
frequency3 = freq;
|
||||
period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSemitone1(int8_t semi)
|
||||
{
|
||||
if(-25 < semi && semi < 25){
|
||||
semi1 = semitoneTable[semi+24];
|
||||
} else if (semi < -24) {
|
||||
semi1 = semitoneTable[0];
|
||||
} else {
|
||||
semi1 = semitoneTable[48];
|
||||
}
|
||||
period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSemitone2(int8_t semi)
|
||||
{
|
||||
if(-25 < semi && semi < 25){
|
||||
semi2 = semitoneTable[semi+24];
|
||||
} else if (semi < -24) {
|
||||
semi2 = semitoneTable[0];
|
||||
} else {
|
||||
semi2 = semitoneTable[48];
|
||||
}
|
||||
period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSemitone3(int8_t semi)
|
||||
{
|
||||
if(-25 < semi && semi < 25){
|
||||
semi3 = semitoneTable[semi+24];
|
||||
} else if (semi < -24) {
|
||||
semi3 = semitoneTable[0];
|
||||
} else {
|
||||
semi3 = semitoneTable[48];
|
||||
}
|
||||
period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDetune(float detune)
|
||||
{
|
||||
detune1 = 0.0;
|
||||
detune2 = detune;
|
||||
detune3 = -detune;
|
||||
period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDetune1(float detune)
|
||||
{
|
||||
detune1 = detune;
|
||||
period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDetune2(float detune)
|
||||
{
|
||||
detune2 = detune;
|
||||
period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDetune3(float detune)
|
||||
{
|
||||
detune3 = detune;
|
||||
period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::pitchBend(float b)
|
||||
{
|
||||
bend = b;
|
||||
period1 = uint16_t(((frequency1 * semi1 * (1 + detune1 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
period2 = uint16_t(((frequency2 * semi2 * (1 + detune2 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
period3 = uint16_t(((frequency3 * semi3 * (1 + detune3 + bend)) * 65536.0) / SAMPLE_RATE);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// WAVEFORM FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
|
||||
void MMusic::setWaveform(uint16_t waveForm)
|
||||
{
|
||||
waveForm1 = waveForm * 256;
|
||||
waveForm2 = waveForm * 256;
|
||||
waveForm3 = waveForm * 256;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setWaveform1(uint16_t waveForm)
|
||||
{
|
||||
waveForm1 = waveForm * 256;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setWaveform2(uint16_t waveForm)
|
||||
{
|
||||
waveForm2 = waveForm * 256;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setWaveform3(uint16_t waveForm)
|
||||
{
|
||||
waveForm3 = waveForm * 256;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// GAIN FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
/*
|
||||
void MMusic::setGainFloat(float value)
|
||||
{
|
||||
gain = uint16_t(value * 65535);
|
||||
gain1 = gain;
|
||||
gain2 = gain;
|
||||
gain3 = gain;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setGain16bit(uint16_t value)
|
||||
{
|
||||
gain = value;
|
||||
gain1 = value;
|
||||
gain2 = value;
|
||||
gain3 = value;
|
||||
}
|
||||
*/
|
||||
|
||||
void MMusic::setGain(float value)
|
||||
{
|
||||
gain = uint16_t(value * 65535);
|
||||
gain1 = gain;
|
||||
gain2 = gain;
|
||||
gain3 = gain;
|
||||
}
|
||||
|
||||
/*
|
||||
void MMusic::setGain(uint16_t value)
|
||||
{
|
||||
gain = value;
|
||||
gain1 = value;
|
||||
gain2 = value;
|
||||
gain3 = value;
|
||||
}
|
||||
*/
|
||||
|
||||
void MMusic::setGain1(float value)
|
||||
{
|
||||
gain1 = uint16_t(value * 65535);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setGain2(float value)
|
||||
{
|
||||
gain2 = uint16_t(value * 65535);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setGain3(float value)
|
||||
{
|
||||
gain3 = uint16_t(value * 65535);
|
||||
}
|
||||
|
||||
/*
|
||||
void MMusic::setGain1(uint16_t value)
|
||||
{
|
||||
gain1 = value;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setGain2(uint16_t value)
|
||||
{
|
||||
gain2 = value;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setGain3(uint16_t value)
|
||||
{
|
||||
gain3 = value;
|
||||
}
|
||||
*/
|
||||
|
||||
float MMusic::getGain()
|
||||
{
|
||||
return float(gain)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain1()
|
||||
{
|
||||
return float(gain1)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain2()
|
||||
{
|
||||
return float(gain2)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain3()
|
||||
{
|
||||
return float(gain3)/65535.0;
|
||||
}
|
||||
|
||||
/*
|
||||
float MMusic::getGainFloat()
|
||||
{
|
||||
return float(gain)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain1Float()
|
||||
{
|
||||
return float(gain1)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain2Float()
|
||||
{
|
||||
return float(gain2)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
float MMusic::getGain3Float()
|
||||
{
|
||||
return float(gain3)/65535.0;
|
||||
}
|
||||
|
||||
|
||||
uint16_t MMusic::getGain()
|
||||
{
|
||||
return gain;
|
||||
}
|
||||
|
||||
|
||||
uint16_t MMusic::getGain1()
|
||||
{
|
||||
return gain1;
|
||||
}
|
||||
|
||||
|
||||
uint16_t MMusic::getGain2()
|
||||
{
|
||||
return gain2;
|
||||
}
|
||||
|
||||
|
||||
uint16_t MMusic::getGain3()
|
||||
{
|
||||
return gain3;
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// NOTE_ON/OFF FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
|
||||
void MMusic::noteOn(uint8_t note, uint8_t vel)
|
||||
{
|
||||
envStage = 1;
|
||||
setVelSustain(vel);
|
||||
setVelPeak(vel);
|
||||
notePlayed = note;
|
||||
memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
|
||||
setFrequency1(frequency16bit);
|
||||
setFrequency2(frequency16bit);
|
||||
setFrequency3(frequency16bit);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOn(uint8_t note)
|
||||
{
|
||||
envStage = 1;
|
||||
setVelSustain(127);
|
||||
setVelPeak(127);
|
||||
notePlayed = note;
|
||||
memcpy_P(&frequency16bit, &hertsTable[notePlayed],2);
|
||||
setFrequency1(frequency16bit);
|
||||
setFrequency2(frequency16bit);
|
||||
setFrequency3(frequency16bit);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOff(uint8_t note)
|
||||
{
|
||||
if(notePlayed == note) {
|
||||
envStage = 4;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void MMusic::noteOff()
|
||||
{
|
||||
envStage = 4;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/////////////////////////////////////
|
||||
//
|
||||
// ENVELOPE FUNCTIONS
|
||||
//
|
||||
/////////////////////////////////////
|
||||
|
||||
void MMusic::enableEnvelope()
|
||||
{
|
||||
envelopeOn = true;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::disableEnvelope()
|
||||
{
|
||||
envelopeOn = false;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setEnvStage(uint8_t stage)
|
||||
{
|
||||
envStage = stage;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setAttack16bit(uint16_t att)
|
||||
{
|
||||
attack = att;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDecay16bit(uint16_t dec)
|
||||
{
|
||||
decay = dec;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSustain16bit(uint16_t sus)
|
||||
{
|
||||
sustain = sus;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setRelease16bit(uint16_t rel)
|
||||
{
|
||||
release = rel;
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setAttack(uint8_t att)
|
||||
{
|
||||
if(att>127) att = 127;
|
||||
memcpy_P(&attack, &envTimeTable[127 - att],2);
|
||||
//attack = envTimeTable[127 - att];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setDecay(uint8_t dec)
|
||||
{
|
||||
if(dec>127) dec = 127;
|
||||
memcpy_P(&decay, &envTimeTable[127 - dec],2);
|
||||
//decay = envTimeTable[127 - dec];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setSustain(uint8_t sus)
|
||||
{
|
||||
sustain = ((sus * MAX_ENV_GAIN)/128);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setRelease(uint8_t rel)
|
||||
{
|
||||
if(rel>127) rel = 127;
|
||||
memcpy_P(&release, &envTimeTable[127 - rel],2);
|
||||
//release = envTimeTable[127 - rel];
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setVelSustain(uint8_t vel)
|
||||
{
|
||||
velSustain = vel * (sustain / 128);
|
||||
}
|
||||
|
||||
|
||||
void MMusic::setVelPeak(uint8_t vel)
|
||||
{
|
||||
velPeak = vel * (MAX_ENV_GAIN / 128);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#endif // close guard
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user