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/* Copyright 2021 3araht
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include QMK_KEYBOARD_H
#include "version.h"
// Defines names for use in layer keycodes and the keymap
enum layer_names {
_BASE, // Base layer, shift mode, single channel.
_TRANS, // Transpose feature is enabled instead of shift mode, single channel.
_RESERVE, // RESERVE
_FN // FuNction layer. This must be at the end of the enumurate to use the range from _LS_FN ... _LS_FN_MAX for FN layer LED settings.
};
// Layer State
#define _LS_BASE (1UL << _BASE)
#define _LS_TRANS (1UL << _BASE | 1UL << _TRANS)
#define _LS_FN (1UL << _FN)
#define _LS_MAX (_LS_FN << 1)
// Don't change the DEFAULT_SCALE_COL value below. It must be 0.
#define DEFAULT_SCALE_COL 0
static uint8_t scale_indicator_col = DEFAULT_SCALE_COL;
static bool trans_mode_indicator_loc_sel = true; // when it is true, the location is _KEY01, _KEY13, ...
// use led indicator or not.
static bool led_indicator_enable = true;
// Defines the keycodes used by our macros in process_record_user
enum custom_keycodes {
SHIFT_L = USER00,
SHIFT_R,
TGLINDI, // ToGgLe INDIcator
TGLINTR, // ToGgLe INdicator location {(_KEY01, _KEY13, _KEY25, _KEY37) or (_KEY02, _KEY14, _KEY26) / (_KEY12, _KEY24, _KEY36)}in TRans mode
TGLTRNS, // ToGgLe TRaNS and shift
B_BASE, // border set to the left end.
VERSION
};
// Long press: go to _FN layer, tap: MUTE
#define FN_MUTE LT(_FN, KC_MUTE)
// Used to set octave to MI_OCT_0
extern midi_config_t midi_config;
static bool is_trans_mode = false; // By default, shift mode is chosen.
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Base */
[_BASE] = LAYOUT(
FN_MUTE, MI_SUS, KC_VOLD, KC_VOLU,
MI_BENDU,
SHIFT_L, SHIFT_R, MI_C_2, MI_D_2, MI_E_2, MI_Fs_2, MI_Ab_2, MI_Bb_2, MI_C_3, MI_D_3, MI_E_3, MI_Fs_3, MI_Ab_3, MI_Bb_3, MI_C_4, MI_D_4, MI_E_4, MI_Fs_4, MI_Ab_4, MI_Bb_4, MI_C_5,
MI_BENDD, MI_Db_2, MI_Eb_2, MI_F_2, MI_G_2, MI_A_2, MI_B_2, MI_Db_3, MI_Eb_3, MI_F_3, MI_G_3, MI_A_3, MI_B_3, MI_Db_4, MI_Eb_4, MI_F_4, MI_G_4, MI_A_4, MI_B_4
),
/* TRANS This layer must locate 1 layer below _FN layer. */
[_TRANS] = LAYOUT(
_______, _______, _______, _______,
_______,
MI_TRNSD, MI_TRNSU, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),
/* RESERVE */
[_RESERVE] = LAYOUT(
_______, _______, _______, _______,
_______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
),
[_FN] = LAYOUT(
_______, XXXXXXX, RGB_RMOD, RGB_MOD,
MI_VELU,
MI_OCTD, MI_OCTU, B_BASE, DF(_RESERVE), XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, VERSION, XXXXXXX, XXXXXXX,
MI_VELD, TGLINTR, TGLTRNS, XXXXXXX, XXXXXXX, XXXXXXX, RGB_SAD, RGB_SAI, RGB_HUD, RGB_HUI, RGB_SPD, RGB_SPI, RGB_VAD, RGB_VAI, RGB_RMOD, RGB_MOD, EEP_RST, TGLINDI, RGB_TOG
)
};
// commom codes called from eeconfig_init_user() and keyboard_post_init_user().
void my_init(void){
// Set octave to MI_OCT_1
midi_config.octave = MI_OCT_0 - MIDI_OCTAVE_MIN;
// avoid using 127 since it is used as a special number in some sound sources.
midi_config.velocity = MIDI_INITIAL_VELOCITY;
default_layer_set(_LS_BASE);
layer_state_set(_LS_BASE);
#ifdef RGB_MATRIX_ENABLE
rgb_matrix_mode(RGB_MATRIX_CUSTOM_my_solid_reactive_col);
#endif // RGB_MATRIX_ENABLE
}
void eeconfig_init_user(void) { // EEPROM is getting reset!
midi_init();
#ifdef RGB_MATRIX_ENABLE
rgb_matrix_enable();
rgb_matrix_set_speed(RGB_MATRIX_STARTUP_SPD);
rgb_matrix_sethsv(HSV_BLUE);
#endif // RGB_MATRIX_ENABLE
my_init(); // commom codes called from eeconfig_init_user() and keyboard_post_init_user().
}
void keyboard_post_init_user(void) {
my_init(); // commom codes called from eeconfig_init_user() and keyboard_post_init_user().
}
void reset_scale_indicator(void) {
// reset transpose value and scale_indicator_col to default.
midi_config.transpose = 0;
scale_indicator_col = DEFAULT_SCALE_COL;
trans_mode_indicator_loc_sel = true;
}
void reset_all(void) {
reset_scale_indicator();
is_trans_mode = false; // trans mode is disabled by default.
}
void select_layer_state_set(void) {
if (is_trans_mode) {
layer_state_set(_LS_TRANS);
} else {
layer_state_set(_LS_BASE);
}
}
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
// uprintf("keycode=%u, YM_C_3=%u, YM_Db_2 =%u, YM_MIN = %u, YM_MAX = %u\n", keycode, YM_C_3, YM_Db_2, YM_TONE_MIN, YM_TONE_MAX);
switch (keycode) {
case VERSION: // Output firmware info.
if (record->event.pressed) {
SEND_STRING(QMK_KEYBOARD ":" QMK_KEYMAP " @ " QMK_VERSION " | " QMK_BUILDDATE);
}
break;
// Layer-related settings.
// reset_scale_indicator() first, followed by each modification, and then change the default layer.
// 1, separator column modification
case B_BASE:
if (record->event.pressed) {
reset_all();
select_layer_state_set();
}
break;
// 2, Toggle scale shift mode and transpose mode
case TGLTRNS:
if (record->event.pressed) {
reset_scale_indicator();
is_trans_mode = !is_trans_mode;
select_layer_state_set();
}
break;
// SHIFT_L and SHIFT_R can be pressed only when layer is either _BASE, _FLIPBASE.
case SHIFT_L:
if (record->event.pressed) {
if (layer_state == _LS_BASE) {
scale_indicator_col = shift_led_indicator_left(scale_indicator_col);
}
}
break;
case SHIFT_R:
if (record->event.pressed) {
if (layer_state == _LS_BASE ) {
scale_indicator_col = shift_led_indicator_right(scale_indicator_col);
}
}
break;
case TGLINDI:
if (record->event.pressed) {
led_indicator_enable = !led_indicator_enable;
}
break;
case TGLINTR:
if (record->event.pressed) {
switch (layer_state) {
// main function of the TGLINTR part 1. alternate the status of trans_mode_indicator_loc_sel.
case _LS_TRANS | (1UL << _FN):
trans_mode_indicator_loc_sel = !trans_mode_indicator_loc_sel;
// when trans_mode_indicator_loc_sel == false, change the scale indicator and transpose.
scale_indicator_col = trans_mode_indicator_loc_sel ? 0:1;
// when TGLINTR is pressed, it also change the initial transpose setting to follow the scale indicator.
if (scale_indicator_col == 1) {
midi_config.transpose = -1;
} else {
midi_config.transpose = 0;
}
break;
// special treatment when TGLINTR is pressed in other non-Trans layer.
default : // when other layers = non-Trans mode, change it to Trans mode.
trans_mode_indicator_loc_sel = false;
scale_indicator_col = 1;
midi_config.transpose = -1;
is_trans_mode = true;
select_layer_state_set();
}
}
break;
}
return true;
}
#ifdef RGB_MATRIX_ENABLE
void set_led_scale_indicator(uint8_t r, uint8_t g, uint8_t b) {
uint8_t max_scale_indicator_led_loop;
uint8_t i;
if (led_indicator_enable) { // turn on indicators when enabled.
max_scale_indicator_led_loop = ( scale_indicator_col == DEFAULT_SCALE_COL ) ? 12 : 9;
for (i = 0; i < max_scale_indicator_led_loop; i++) {
rgb_matrix_set_color(led_scale_indicator[scale_indicator_col][i], r, g, b);
}
}
}
void rgb_matrix_indicators_user(void) {
// uint32_t mode = rgblight_get_mode();
if (rgb_matrix_is_enabled()) { // turn the lights on when it is enabled.
// uint8_t max_scale_indicator_led_loop;
uint8_t i;
switch (layer_state) {
case _LS_BASE:
set_led_scale_indicator(BASE_LAYER_COLOR);
break;
case _LS_TRANS:
set_led_scale_indicator(TRANS_LAYER_COLOR);
break;
case _LS_FN ... _LS_MAX: // When Mute Button is long-pressed, the previous layers are still active.
for (i = 1; i < 5; i++) {
rgb_matrix_set_color(i, RGB_DARKSPRINGGREEN); // up(1) down(4) left(3) right(2) keys
}
rgb_matrix_set_color(led_single_col_indicator[_KEY02][0], RGB_DARKSPRINGGREEN); // TGLTRNS
rgb_matrix_set_color(led_single_col_indicator[_KEY04][0], RGB_DARKSPRINGGREEN); // TGLINTR
for (i = 0; i < 3; i++) {
rgb_matrix_set_color(led_single_col_indicator[_KEY01][i], BASE_LAYER_COLOR); // B_BASE
}
for (i = _KEY12; i < _KEY37; i+=2){ // even numbers from _KEY12 to _KEY36 are LED related settings.
// turn on the bottom row only to keep the visibility of the RGB MATRIX effects.
rgb_matrix_set_color(led_single_col_indicator[i][0], RGB_DARKSPRINGGREEN); // // LED related settings.
}
break;
}
}
}
#endif // RGB_MATRIX_ENABLE
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