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+/*
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+Copyright 2021 v3ritas <v3ritas@tempoturtle.com>
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+This program is free software: you can redistribute it and/or modify
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+it under the terms of the GNU General Public License as published by
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+the Free Software Foundation, either version 2 of the License, or
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+(at your option) any later version.
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+This program is distributed in the hope that it will be useful,
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+but WITHOUT ANY WARRANTY; without even the implied warranty of
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+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+GNU General Public License for more details.
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+You should have received a copy of the GNU General Public License
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+along with this program. If not, see <http://www.gnu.org/licenses/>.
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+*/
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+
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+#include QMK_KEYBOARD_H
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+
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+extern MidiDevice midi_device;
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+
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+enum layers {
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+ _NATURAL,
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+ _SHARP,
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+ _FLAT,
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+};
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+
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+/*
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+MIDI CC codes for generic ON/OFF swiches
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+80,81,82,83
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+values off = 0-63
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+*/
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+
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+#define OFF 0
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+
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+/*values on = 64-127*/
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+
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+#define ON 127
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+
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+/*implementation inspo taken from here: https://github.com/luantty2/pheromone_keyboard/blob/master/keyboards/pheromone/keymaps/default/keymap.c */
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+
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+enum custom_keycodes { MIDI_CC80 = SAFE_RANGE, MIDI_CC81, MIDI_CC82, MIDI_CC83 };
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+
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+static bool toggled_MIDI_CC80 = 0, toggled_MIDI_CC81 = 0, toggled_MIDI_CC82 = 0, toggled_MIDI_CC83 = 0;
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+
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+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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+ switch (keycode) {
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+ case MIDI_CC80:
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+ if (!IS_LAYER_ON(_NATURAL)) {
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+ toggled_MIDI_CC80 = false;
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+ if (record->event.pressed) {
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+ midi_send_cc(&midi_device, midi_config.channel, 80, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 80, OFF);
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+ }
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+ return true;
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+ } else {
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+ if (record->event.pressed) {
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+ if (!toggled_MIDI_CC80) {
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+ midi_send_cc(&midi_device, midi_config.channel, 80, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 80, OFF);
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+ }
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+ toggled_MIDI_CC80 = !toggled_MIDI_CC80;
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+ }
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+ return false;
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+ }
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+ case MIDI_CC81:
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+ if (!IS_LAYER_ON(_NATURAL)) {
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+ toggled_MIDI_CC81 = false;
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+ if (record->event.pressed) {
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+ midi_send_cc(&midi_device, midi_config.channel, 81, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 81, OFF);
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+ }
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+ return true;
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+ } else {
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+ if (record->event.pressed) {
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+ if (!toggled_MIDI_CC81) {
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+ midi_send_cc(&midi_device, midi_config.channel, 81, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 81, OFF);
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+ }
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+ toggled_MIDI_CC81 = !toggled_MIDI_CC81;
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+ }
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+ return false;
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+ }
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+ case MIDI_CC82:
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+ if (!IS_LAYER_ON(_NATURAL)) {
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+ toggled_MIDI_CC82 = false;
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+ if (record->event.pressed) {
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+ midi_send_cc(&midi_device, midi_config.channel, 82, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 82, OFF);
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+ }
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+ return true;
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+ } else {
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+ if (record->event.pressed) {
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+ if (!toggled_MIDI_CC82) {
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+ midi_send_cc(&midi_device, midi_config.channel, 82, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 82, OFF);
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+ }
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+ toggled_MIDI_CC82 = !toggled_MIDI_CC82;
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+ }
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+ return false;
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+ }
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+ case MIDI_CC83:
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+ if (!IS_LAYER_ON(_NATURAL)) {
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+ toggled_MIDI_CC83 = false;
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+ if (record->event.pressed) {
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+ midi_send_cc(&midi_device, midi_config.channel, 83, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 83, OFF);
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+ }
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+ return true;
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+ } else {
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+ if (record->event.pressed) {
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+ if (!toggled_MIDI_CC83) {
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+ midi_send_cc(&midi_device, midi_config.channel, 83, ON);
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+ } else {
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+ midi_send_cc(&midi_device, midi_config.channel, 83, OFF);
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+ }
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+ toggled_MIDI_CC83 = !toggled_MIDI_CC83;
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+ }
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+ return false;
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+ }
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+ }
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+ return true;
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+}
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+
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+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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+ [_NATURAL] = LAYOUT(
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+ MI_C, MI_BENDD, MI_BENDU, MI_G,
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+ MI_D, MIDI_CC80, MIDI_CC81, MI_A,
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+ MI_E, MIDI_CC82, MIDI_CC83, MI_B,
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+ MI_F, MI_OCTD, MI_OCTU, MI_C,
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+ MO(_SHARP), MO(_FLAT)),
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+ [_SHARP] = LAYOUT(
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+ MI_Cs, KC_TRNS, KC_TRNS, MI_Gs,
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+ MI_Ds, KC_TRNS, KC_TRNS, MI_As,
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+ MI_F , KC_TRNS, KC_TRNS, MI_C ,
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+ MI_Fs, MI_TRNSD, MI_TRNSU, MI_Cs,
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+ KC_TRNS, KC_TRNS),
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+ [_FLAT] = LAYOUT(
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+ MI_B , KC_TRNS, KC_TRNS, MI_Gb,
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+ MI_Db, KC_TRNS, KC_TRNS, MI_Ab,
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+ MI_Eb, KC_TRNS, KC_TRNS, MI_Bb,
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+ MI_E , MI_TRNSD, MI_TRNSU, MI_B,
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+ KC_TRNS, KC_TRNS),
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+};
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