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149 lines
3.0 KiB
149 lines
3.0 KiB
#include <MIDI.h>
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#include <looper.h>
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#include <LinkedList.h>
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#include "midinotes.h"
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#define LED 13
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#define LED_DECAY_MS 50
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#define MIDI_EVENT_SCHED_MS 100
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#define TEST_NOTE_MIN MIDI_A0
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#define TEST_NOTE_MAX MIDI_B5
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#define TEST_VEL_MIN 60
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#define TEST_VEL_MAX 120
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#define TEST_DUR_MIN 200
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#define TEST_DUR_MAX 1500
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#define MASTER_KEY_MIDI MIDI_C6
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#define MASTER_NUM1 MIDI_C1
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class midi_event {
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public:
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int8_t note;
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int8_t chan;
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uint32_t dur;
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};
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looper sched;
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MIDI_CREATE_DEFAULT_INSTANCE();
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LinkedList<midi_event*> MIDIEvents = LinkedList<midi_event*>();
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void setup()
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{
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/*Serial.begin(38400);*/
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pinMode(LED, OUTPUT);
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digitalWrite(LED, LOW);
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MIDI.begin(1);
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sched.addJob(ledDecay, LED_DECAY_MS);
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sched.addJob(do_midi_events, MIDI_EVENT_SCHED_MS);
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randomSeed(analogRead(A0));
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// Sound change 17
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MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
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delay(500);
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MIDI.sendNoteOn(MIDI_E3, 66, 1);
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delay(500);
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MIDI.sendNoteOff(MIDI_E3, 0, 1);
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delay(500);
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MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
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delay(2000);
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// Volume change 0.5
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MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
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delay(500);
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MIDI.sendNoteOn(MIDI_AIS1, 66, 1);
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delay(500);
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MIDI.sendNoteOff(MIDI_AIS1, 0, 1);
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delay(500);
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MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
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delay(2000);
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// Bank change 3
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MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
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delay(500);
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MIDI.sendNoteOn(MIDI_FIS3, 66, 1);
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delay(500);
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MIDI.sendNoteOff(MIDI_FIS3, 0, 1);
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delay(500);
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MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
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delay(2000);
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// Sound change 17
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MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
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delay(500);
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MIDI.sendNoteOn(MIDI_E3, 66, 1);
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delay(500);
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MIDI.sendNoteOff(MIDI_E3, 0, 1);
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delay(500);
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MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
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delay(2000);
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// Volume change 0.1
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MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, 1);
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delay(500);
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MIDI.sendNoteOn(MIDI_DIS1, 66, 1);
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delay(500);
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MIDI.sendNoteOff(MIDI_DIS1, 0, 1);
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delay(500);
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MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, 1);
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delay(5000);
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}
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void loop()
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{
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if (millis() % 300 == 0)
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{
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sendMIDI(random(TEST_NOTE_MIN, TEST_NOTE_MAX), random(TEST_VEL_MIN, TEST_VEL_MAX), 1, random(TEST_DUR_MIN, TEST_DUR_MAX));
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delay(1);
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}
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sched.scheduler();
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}
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void sendMIDI(int8_t note, int8_t vel, int8_t chan, uint32_t dur)
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{
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midi_event *m = new midi_event();
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m->note = note;
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m->chan = chan;
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m->dur = millis() + dur;
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MIDIEvents.add(m);
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digitalWrite(LED, HIGH);
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MIDI.sendNoteOn(note, vel, chan);
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/* Serial.print(F("Sending MIDI on channel "));
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Serial.print(chan);
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Serial.print(F(" note "));
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Serial.print(note);
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Serial.print(F(" velocity "));
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Serial.print(vel);
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Serial.print(F(" duration "));
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Serial.print(dur);
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Serial.println();*/
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}
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void ledDecay(void)
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{
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digitalWrite(LED, LOW);
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}
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void do_midi_events(void)
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{
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uint8_t i;
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for (i = 0; i < MIDIEvents.size(); i++)
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{
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midi_event *m = MIDIEvents.get(i);
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if (millis() > m->dur)
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{
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MIDI.sendNoteOff(m->note, 0, m->chan);
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MIDIEvents.remove(i);
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}
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}
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}
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