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Additional midi note state

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This commit is contained in:
Daniel Kluge 2024-01-22 15:39:15 +01:00
parent e1ca9dc92f
commit 6381038c8e
1 changed files with 10 additions and 3 deletions
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13
src/main.cpp
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@ -14,6 +14,8 @@ const uint8_t group_pins[KEY_GROUP_NUM] {14, 15, 16, 17, 18, 19, 20, 21, 22};
const uint8_t key_pins[KEY_PINS] {2, 3, 4, 5, 6, 7};
// Array of pressed keys (initially all 0)
uint8_t keys_pressed[NUMBER_OF_KEYS];
// Array of currently active midi notes
bool active_notes[NUMBER_OF_KEYS];
// K1, K2, K3, K4, K5, K12, K13, K14, K15
const uint8_t self_drive_pins[KEY_GROUP_NUM] {8, 9, 10, 11, 12, 26, 23, 24, 25};
uint8_t current_self_drive_pin = 0;
@ -69,8 +71,9 @@ int8_t getActiveKeyGroup() {
// Set the next self drive pin
FASTRUN void nextSelfDrivePin() {
// Set the current pin to high
// Set previous pin to low
digitalWriteFast(self_drive_pins[current_self_drive_pin != 0 ? current_self_drive_pin - 1 : KEY_GROUP_NUM - 1], LOW);
// Set the current pin to high
digitalWriteFast(self_drive_pins[current_self_drive_pin], HIGH);
// Set the next pin
current_self_drive_pin = (current_self_drive_pin + 1) % KEY_GROUP_NUM;
@ -111,7 +114,9 @@ void loop() {
// ! inverted
if (value == LOW) {
// Check if the key is not already pressed
if (keys_pressed[active_key_group * 6 + i] >= DEBOUNCE_TIMES) {
if (keys_pressed[active_key_group * 6 + i] >= DEBOUNCE_TIMES && !active_notes[active_key_group * 6 + i]) {
// Note is on
active_notes[active_key_group * 6 + i] = true;
// Send MIDI message
usbMIDI.sendNoteOn(mapToMidi(active_key_group, i), 127, 1);
}
@ -120,7 +125,9 @@ void loop() {
keys_pressed[active_key_group * 6 + i] += keys_pressed[active_key_group * 6 + i] < 0xFF ? 1 : 0;
} else {
// Check if the key is not already released
if (keys_pressed[active_key_group * 6 + i] < DEBOUNCE_TIMES) {
if (keys_pressed[active_key_group * 6 + i] < DEBOUNCE_TIMES && active_notes[active_key_group * 6 + i]) {
// Note is off
active_notes[active_key_group * 6 + i] = false;
// Send MIDI message
usbMIDI.sendNoteOff(mapToMidi(active_key_group, i), 0, 1);
}