functional envelopes

This commit is contained in:
Gordon JC Pearce 2024-10-12 23:36:34 +01:00
parent cbae975760
commit c758a0a493
4 changed files with 42 additions and 13 deletions

View File

@ -17,6 +17,7 @@
*/ */
#include "ic1.hpp" #include "ic1.hpp"
#include "ic29.hpp"
#include "peacock.hpp" #include "peacock.hpp"
@ -62,6 +63,8 @@ void Assigner::noteOff(uint8_t note) {
memmove(keymap + i, keymap + i + 1, NUM_VOICES - i - 1); memmove(keymap + i, keymap + i + 1, NUM_VOICES - i - 1);
voicemap[NUM_VOICES - 1] = voice; voicemap[NUM_VOICES - 1] = voice;
keymap[NUM_VOICES - 1] = note | 0x80; keymap[NUM_VOICES - 1] = note | 0x80;
s.voiceOff(voice);
} }
} }
printMap(); printMap();
@ -80,6 +83,7 @@ void Assigner::noteOn(uint8_t note) {
memmove(keymap + 1, keymap, i); memmove(keymap + 1, keymap, i);
keymap[0] = note; // show note as on keymap[0] = note; // show note as on
voicemap[0] = voice; voicemap[0] = voice;
s.voiceOn(voice, note);
return; return;
} }
} }
@ -95,6 +99,7 @@ void Assigner::noteOn(uint8_t note) {
memmove(keymap + 1, keymap, i); memmove(keymap + 1, keymap, i);
keymap[0] = note; // show note as on keymap[0] = note; // show note as on
voicemap[0] = voice; voicemap[0] = voice;
s.voiceOn(voice, note);
return; return;
} }
} }

View File

@ -18,24 +18,41 @@
#include "ic29.hpp" #include "ic29.hpp"
#include "peacock.hpp"
Synth s;
Synth::Synth() { Synth::Synth() {
printf("initialising synth\n");
envAtk = 0x007f;
envDcy = envRls = 0xfe90;
envStn = 0x1fff;
} }
void Synth::run() { void Synth::run() {
printf("called synth::run()\n"); //printf("called synth::run()\n");
printf("%d\n", voices[0].env.phase); //printf("%d\n", voices[0].env.phase);
for (uint8_t i=0; i<NUM_VOICES; i++) {
s.voices[i].env.run();
}
} }
void Synth::voiceOn(uint8_t voice, uint8_t note) { void Synth::voiceOn(uint8_t voice, uint8_t note) {
// enable synth voice, start it all running // enable synth voice, start it all running
voice &= 0x7f;
s.voices[voice].env.on();
}
void Synth::voiceOff(uint8_t voice) {
// enable synth voice, start it all running
voice &= 0x7f;
s.voices[voice].env.off();
} }
Envelope::Envelope() { Envelope::Envelope() {
level = 0; level = 0;
phase = ENV_IDLE; phase = ENV_IDLE;
printf("initialising envelope\n");
} }
void Envelope::run() { void Envelope::run() {
@ -50,14 +67,14 @@ void Envelope::run() {
case ENV_DCY: case ENV_DCY:
if (level > s.envStn) { if (level > s.envStn) {
level -= s.envStn; level -= s.envStn;
level *= s.envDcy; level = (level * s.envDcy) >> 16;
level += s.envStn; level += s.envStn;
} else { } else {
level = s.envStn; level = s.envStn;
} }
break; break;
case ENV_RLS: case ENV_RLS:
level *= s.envRls; level = (level * s.envRls) >> 16;
break; break;
case ENV_IDLE: case ENV_IDLE:
default: default:
@ -65,8 +82,7 @@ void Envelope::run() {
} }
} }
void Envelope::gate(uint8_t gate) {
}
Voice::Voice() { Voice::Voice() {
} }
extern Synth s;

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@ -20,14 +20,22 @@
#include "peacock.hpp" #include "peacock.hpp"
class Envelope { class Envelope {
public: public:
Envelope(); Envelope();
void run(); void run();
void gate(uint8_t gate); void on() {
phase = ENV_ATK;
}
void off() {
phase = ENV_RLS;
}
uint16_t level; uint16_t level;
//private: // private:
enum { enum {
ENV_ATK, ENV_ATK,
ENV_DCY, ENV_DCY,
@ -42,7 +50,7 @@ class Voice {
void run(); void run();
uint8_t note; uint8_t note;
//private: // private:
Envelope env; // calculated envelope value Envelope env; // calculated envelope value
uint16_t pitch; // calculated pitch value with porta and master pitch etc uint16_t pitch; // calculated pitch value with porta and master pitch etc
enum { V_DONE, enum { V_DONE,

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@ -23,7 +23,6 @@
START_NAMESPACE_DISTRHO START_NAMESPACE_DISTRHO
Assigner ic1; Assigner ic1;
Synth s;
Peacock::Peacock() : Plugin(paramCount, 0, 0), sampleRate(getSampleRate()) { Peacock::Peacock() : Plugin(paramCount, 0, 0), sampleRate(getSampleRate()) {
s.run(); s.run();
@ -41,6 +40,7 @@ void Peacock::run(const float **, float **outputs, uint32_t frames, const MidiEv
} }
s.run();
} }