[Keyboard] add chromatonemini keyboard (#13516)

2 files changed, 107 insertions, 0 deletions

diff --git a/keyboards/chromatonemini/keymaps/default/keymap.c b/keyboards/chromatonemini/keymaps/default/keymap.c
new file mode 100644
index 0000000000..102aba930a
--- /dev/null
+++ b/keyboards/chromatonemini/keymaps/default/keymap.c
@@ -0,0 +1,106 @@
+/* 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,
+    _RESERVE,
+    _FN
+};
+
+// Defines the keycodes used by our macros in process_record_user
+enum custom_keycodes {
+    L_BASE = SAFE_RANGE,
+    L_RESERVE,
+    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;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base */
+    [_BASE] = LAYOUT(
+            FN_MUTE,          MI_SUS,                            KC_VOLD, KC_VOLU,
+            MI_BENDU,
+        MI_TRNSD, MI_TRNSU,  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
+    ),
+
+    /* RESERVE */
+    [_RESERVE] = LAYOUT(
+            _______,          _______,                             _______, _______,
+            _______,
+        _______, _______,      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+            _______,               _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+    ),
+
+    [_FN] =  LAYOUT(
+            _______,          XXXXXXX,                             XXXXXXX, XXXXXXX,
+            MI_VELU,
+        MI_OCTD, MI_OCTU,     L_BASE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, VERSION, XXXXXXX, XXXXXXX,
+            MI_VELD,               L_RESERVE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, EEP_RST, XXXXXXX, XXXXXXX
+    )
+};
+
+// 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(1UL << _BASE);
+}
+
+void eeconfig_init_user(void) {  // EEPROM is getting reset!
+    midi_init();
+    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;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case VERSION: // Output firmware info.
+            if (record->event.pressed) {
+                SEND_STRING(QMK_KEYBOARD ":" QMK_KEYMAP " @ " QMK_VERSION " | " QMK_BUILDDATE);
+            }
+            break;
+
+        case L_BASE:
+            reset_scale_indicator();
+            default_layer_set(1UL << _BASE);
+            break;
+
+        case L_RESERVE:
+            reset_scale_indicator();
+            default_layer_set(1UL << _RESERVE);
+            break;
+    }
+    return true;
+}
diff --git a/keyboards/chromatonemini/keymaps/default/readme.md b/keyboards/chromatonemini/keymaps/default/readme.md
new file mode 100644
index 0000000000..4a18250f97
--- /dev/null
+++ b/keyboards/chromatonemini/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for chromatonemini