You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
257 lines
6.7 KiB
257 lines
6.7 KiB
#include <MIDI.h>
|
|
#include <looper.h>
|
|
#include <LinkedList.h>
|
|
#include "midinotes.h"
|
|
|
|
#define LED 13
|
|
#define LED_DECAY_MS 50
|
|
#define MIDI_EVENT_SCHED_MS 100
|
|
|
|
#define MIDI_CHANNEL 1
|
|
#define TEST_NOTE_MIN MIDI_A0
|
|
#define TEST_NOTE_MAX MIDI_B5
|
|
#define TEST_VEL_MIN 60
|
|
#define TEST_VEL_MAX 120
|
|
#define TEST_DUR_MIN 200
|
|
#define TEST_DUR_MAX 1500
|
|
|
|
#define TEST_NOTE MIDI_E2
|
|
#define TEST_VEL_MIN 60
|
|
#define TEST_VEL_MAX 110
|
|
|
|
#define MASTER_KEY_MIDI MIDI_C7
|
|
#define MASTER_NUM1 MIDI_C2
|
|
|
|
class midi_event {
|
|
public:
|
|
int8_t note;
|
|
int8_t chan;
|
|
uint32_t dur;
|
|
};
|
|
|
|
looper sched;
|
|
MIDI_CREATE_DEFAULT_INSTANCE();
|
|
LinkedList<midi_event*> MIDIEvents = LinkedList<midi_event*>();
|
|
|
|
void setup()
|
|
{
|
|
/*Serial.begin(38400);*/
|
|
pinMode(LED, OUTPUT);
|
|
digitalWrite(LED, LOW);
|
|
|
|
MIDI.begin(1);
|
|
|
|
sched.addJob(ledDecay, LED_DECAY_MS);
|
|
sched.addJob(do_midi_events, MIDI_EVENT_SCHED_MS);
|
|
|
|
randomSeed(analogRead(A0));
|
|
|
|
/* // Bank change 1
|
|
change_bank(1);
|
|
delay(2000);
|
|
|
|
// Sound change 17
|
|
change_sound(17);
|
|
delay(2000);
|
|
|
|
// Volume change 0.5
|
|
change_volume(5);
|
|
delay(2000);
|
|
|
|
// Bank change 3
|
|
change_bank(3);
|
|
delay(2000);
|
|
|
|
// Sound change 17
|
|
change_sound(17);
|
|
delay(2000); */
|
|
|
|
// Volume change 0.1
|
|
change_volume(1);
|
|
delay(2000);
|
|
|
|
MIDI.sendNoteOn(TEST_NOTE, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 1
|
|
MIDI.sendNoteOn(TEST_NOTE + 5, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 2
|
|
MIDI.sendNoteOn(TEST_NOTE + 8, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 3
|
|
MIDI.sendNoteOn(TEST_NOTE + 12, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 4
|
|
MIDI.sendNoteOn(TEST_NOTE + 17, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 5
|
|
MIDI.sendNoteOn(TEST_NOTE + 20, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 6
|
|
MIDI.sendNoteOn(TEST_NOTE + 24, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 7
|
|
MIDI.sendNoteOn(TEST_NOTE + 29, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 8
|
|
MIDI.sendNoteOn(TEST_NOTE + 32, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 9
|
|
MIDI.sendNoteOn(TEST_NOTE + 37, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 10
|
|
MIDI.sendNoteOn(TEST_NOTE + 40, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 11
|
|
MIDI.sendNoteOn(TEST_NOTE + 46, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 12
|
|
MIDI.sendNoteOn(TEST_NOTE + 49, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 13
|
|
MIDI.sendNoteOn(TEST_NOTE + 52, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 14
|
|
MIDI.sendNoteOn(TEST_NOTE + 57, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 15
|
|
MIDI.sendNoteOn(TEST_NOTE + 60, random(TEST_VEL_MIN, TEST_VEL_MAX), MIDI_CHANNEL); // 16
|
|
delay(1000);
|
|
MIDI.sendNoteOff(TEST_NOTE, 0, MIDI_CHANNEL); // 1
|
|
MIDI.sendNoteOff(TEST_NOTE + 5, 0, MIDI_CHANNEL); // 2
|
|
MIDI.sendNoteOff(TEST_NOTE + 8, 0, MIDI_CHANNEL); // 3
|
|
MIDI.sendNoteOff(TEST_NOTE + 12, 0, MIDI_CHANNEL); // 4
|
|
MIDI.sendNoteOff(TEST_NOTE + 17, 0, MIDI_CHANNEL); // 5
|
|
MIDI.sendNoteOff(TEST_NOTE + 20, 0, MIDI_CHANNEL); // 6
|
|
MIDI.sendNoteOff(TEST_NOTE + 24, 0, MIDI_CHANNEL); // 7
|
|
MIDI.sendNoteOff(TEST_NOTE + 29, 0, MIDI_CHANNEL); // 8
|
|
MIDI.sendNoteOff(TEST_NOTE + 32, 0, MIDI_CHANNEL); // 9
|
|
MIDI.sendNoteOff(TEST_NOTE + 37, 0, MIDI_CHANNEL); // 10
|
|
MIDI.sendNoteOff(TEST_NOTE + 40, 0, MIDI_CHANNEL); // 11
|
|
MIDI.sendNoteOff(TEST_NOTE + 46, 0, MIDI_CHANNEL); // 12
|
|
MIDI.sendNoteOff(TEST_NOTE + 49, 0, MIDI_CHANNEL); // 13
|
|
MIDI.sendNoteOff(TEST_NOTE + 52, 0, MIDI_CHANNEL); // 14
|
|
MIDI.sendNoteOff(TEST_NOTE + 57, 0, MIDI_CHANNEL); // 15
|
|
MIDI.sendNoteOff(TEST_NOTE + 60, 0, MIDI_CHANNEL); // 16
|
|
delay(2000);
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
if (millis() % 300 == 0)
|
|
{
|
|
sendMIDI(random(TEST_NOTE_MIN, TEST_NOTE_MAX), random(TEST_VEL_MIN, TEST_VEL_MAX), 1, random(TEST_DUR_MIN, TEST_DUR_MAX));
|
|
delay(1);
|
|
}
|
|
sched.scheduler();
|
|
}
|
|
|
|
void sendMIDI(int8_t note, int8_t vel, int8_t chan, uint32_t dur)
|
|
{
|
|
midi_event *m = new midi_event();
|
|
m->note = note;
|
|
m->chan = chan;
|
|
m->dur = millis() + dur;
|
|
MIDIEvents.add(m);
|
|
digitalWrite(LED, HIGH);
|
|
MIDI.sendNoteOn(note, vel, chan);
|
|
/*
|
|
Serial.print(F("Sending MIDI on channel "));
|
|
Serial.print(chan);
|
|
Serial.print(F(" note "));
|
|
Serial.print(note);
|
|
Serial.print(F(" velocity "));
|
|
Serial.print(vel);
|
|
Serial.print(F(" duration "));
|
|
Serial.print(dur);
|
|
Serial.println();*/
|
|
}
|
|
|
|
void change_sound(uint8_t sound)
|
|
{
|
|
uint8_t sound_key = base_c_num_key(sound);
|
|
|
|
MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOn(sound_key, 66, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(sound_key, 0, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, MIDI_CHANNEL);
|
|
}
|
|
|
|
void change_volume(uint8_t volume)
|
|
{
|
|
uint8_t volume_key = base_c_num_key(volume * -1);
|
|
|
|
MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOn(volume_key, 66, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(volume_key, 0, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, MIDI_CHANNEL);
|
|
}
|
|
|
|
void change_bank(uint8_t bank)
|
|
{
|
|
uint8_t bank_key = base_c_num_key(bank * -1) + 24;
|
|
|
|
MIDI.sendNoteOn(MASTER_KEY_MIDI, 99, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOn(bank_key, 66, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(bank_key, 0, MIDI_CHANNEL);
|
|
delay(500);
|
|
MIDI.sendNoteOff(MASTER_KEY_MIDI, 0, MIDI_CHANNEL);
|
|
}
|
|
|
|
uint8_t base_c_num_key(int8_t number)
|
|
{
|
|
uint8_t base_c = 0;
|
|
|
|
if (number < 0)
|
|
{
|
|
number = abs(number) - 1;
|
|
base_c = int(number / 5) * 12 + MASTER_NUM1;
|
|
switch (number % 5)
|
|
{
|
|
case 0:
|
|
base_c += 1;
|
|
break;
|
|
case 1:
|
|
base_c += 3;
|
|
break;
|
|
case 2:
|
|
base_c += 6;
|
|
break;
|
|
case 3:
|
|
base_c += 8;
|
|
break;
|
|
case 4:
|
|
base_c += 10;
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
number -= 1;
|
|
base_c = (int(number / 7) * 12) + MASTER_NUM1;
|
|
switch (number % 7)
|
|
{
|
|
case 0:
|
|
base_c += 0;
|
|
break;
|
|
case 1:
|
|
base_c += 2;
|
|
break;
|
|
case 2:
|
|
base_c += 4;
|
|
break;
|
|
case 3:
|
|
base_c += 5;
|
|
break;
|
|
case 4:
|
|
base_c += 7;
|
|
break;
|
|
case 5:
|
|
base_c += 9;
|
|
break;
|
|
case 6:
|
|
base_c += 11;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (base_c);
|
|
}
|
|
void ledDecay(void)
|
|
{
|
|
digitalWrite(LED, LOW);
|
|
}
|
|
|
|
void do_midi_events(void)
|
|
{
|
|
uint8_t i;
|
|
|
|
for (i = 0; i < MIDIEvents.size(); i++)
|
|
{
|
|
midi_event *m = MIDIEvents.get(i);
|
|
|
|
if (millis() > m->dur)
|
|
{
|
|
MIDI.sendNoteOff(m->note, 0, m->chan);
|
|
MIDIEvents.remove(i);
|
|
}
|
|
}
|
|
}
|
|
|