Merge remote-tracking branch 'origin/master' into develop

keyboards/ydkb/grape/config.h

@@ -0,0 +1,57 @@
+/* Copyright 2022 somepin
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0x5945 // "YE"
+#define PRODUCT_ID      0x6772 // "GR"
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    YDKB
+#define PRODUCT         Grape
+
+/* key matrix size */
+#define MATRIX_ROWS 7
+#define MATRIX_COLS 18
+
+#define MATRIX_COL_PINS { F4, F5, F6, F7, C7, C6, B6, B5, B4, D7, D6, D4, D5, D3, B3, B2, B1, B0 }
+
+#define SN74X138_ADDRESS_PINS { D2, D1, D0 }
+
+#define LED_NUM_LOCK_PIN F1
+#define LED_CAPS_LOCK_PIN F0
+#define LED_SCROLL_LOCK_PIN E6
+#define LED_PIN_ON_STATE 0
+
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_BREATHING
+#define BACKLIGHT_LEVELS 3
+
+#ifdef RGBLIGHT_ENABLE
+#define RGB_DI_PIN E6
+#define RGBLED_NUM 4
+#endif
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+#define DYNAMIC_KEYMAP_LAYER_COUNT 3

keyboards/ydkb/grape/grape.c

@@ -0,0 +1,16 @@
+/* Copyright 2022 somepin
+ *
+ * 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 "grape.h"

keyboards/ydkb/grape/grape.h

@@ -0,0 +1,47 @@
+/* Copyright 2022 somepin
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+#define XXX KC_NO
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+#define LAYOUT_all( \
+    K0A,      K0C, K0D, K0E, K0F, K0G, K0H, K0I, K0J, K0K, K0L,      K0N,          K0P, K0Q, K0R, K0S, \
+              K1C, K1D, K1E, K1F, K1G, K1H, K1I, K1J, K1K, K1L,                    K1P, K1Q, K1R, K1S, \
+                                                                                   K2P, K2Q, K2R, K2S, \
+    K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H, K2I, K2J, K2K, K2L, K2M, K2N, K1N,     K3P, K3Q, K3R, K3S, \
+    K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H, K3I, K3J, K3K, K3L, K3M, K3N,          K4P, K4Q, K4R, K4S, \
+    K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H, K4I, K4J, K4K, K4L,      K4N,             K5Q, K5R, K5S,   \
+    K5A, K5B, K5C, K5D, K5E, K5F, K5G, K5H, K5I, K5J, K5K, K5L, K5M, K4M, K5N,        K6Q, K6R, K6S,   \
+    K6A, K6B, K6C,      K6E, K6F,      K6H, K6I, K6J, K6K,           K6L, K6M, K6N,      K5P, K6P      \
+) { \
+    { K0A,  XXX,  K0C,  K0D,  K0E,  K0F,  K0G,  K0H,  K0I,  K0J,  K0K,  K0L,  XXX,  K0N,  K0P,  K0Q,  K0R,  K0S }, \
+    { XXX,  XXX,  K1C,  K1D,  K1E,  K1F,  K1G,  K1H,  K1I,  K1J,  K1K,  K1L,  XXX,  K1N,  K1P,  K1Q,  K1R,  K1S }, \
+    { K2A,  K2B,  K2C,  K2D,  K2E,  K2F,  K2G,  K2H,  K2I,  K2J,  K2K,  K2L,  K2M,  K2N,  K2P,  K2Q,  K2R,  K2S }, \
+    { K3A,  K3B,  K3C,  K3D,  K3E,  K3F,  K3G,  K3H,  K3I,  K3J,  K3K,  K3L,  K3M,  K3N,  K3P,  K3Q,  K3R,  K3S }, \
+    { K4A,  K4B,  K4C,  K4D,  K4E,  K4F,  K4G,  K4H,  K4I,  K4J,  K4K,  K4L,  K4M,  K4N,  K4P,  K4Q,  K4R,  K4S }, \
+    { K5A,  K5B,  K5C,  K5D,  K5E,  K5F,  K5G,  K5H,  K5I,  K5J,  K5K,  K5L,  K5M,  K5N,  K5P,  K5Q,  K5R,  K5S }, \
+    { K6A,  K6B,  K6C,  XXX,  K6E,  K6F,  XXX,  K6H,  K6I,  K6J,  K6K,  K6L,  K6M,  K6N,  K6P,  K6Q,  K6R,  K6S }  \
+}

keyboards/ydkb/grape/info.json

@@ -0,0 +1,130 @@
+{
+    "keyboard_name": "Grape",
+    "url": "https://item.taobao.com/item.htm?id=642205244150",
+    "maintainer": "Gacathon",
+    "layouts": {
+        "LAYOUT_all": {
+            "layout": [
+                { "label": "Esc", "x": 0, "y": 0 },
+                { "label": "F1", "x": 2, "y": 0 },
+                { "label": "F2", "x": 3, "y": 0 },
+                { "label": "F3", "x": 4, "y": 0 },
+                { "label": "F4", "x": 5, "y": 0 },
+                { "label": "F5", "x": 6, "y": 0 },
+                { "label": "F6", "x": 7, "y": 0 },
+                { "label": "Insert", "x": 8.5, "y": 0 },
+                { "label": "Home", "x": 9.5, "y": 0 },
+                { "label": "PgUp", "x": 10.5, "y": 0 },
+                { "label": "PrtSc", "x": 11.5, "y": 0 },
+                { "label": "Pause", "x": 13, "y": 0 },
+                { "label": "Num Lock", "x": 16, "y": 0 },
+                { "label": "/", "x": 17, "y": 0 },
+                { "label": "*", "x": 18, "y": 0 },
+                { "label": "-", "x": 19, "y": 0 },
+                { "label": "F7", "x": 2, "y": 1 },
+                { "label": "F8", "x": 3, "y": 1 },
+                { "label": "F9", "x": 4, "y": 1 },
+                { "label": "F10", "x": 5, "y": 1 },
+                { "label": "F11", "x": 6, "y": 1 },
+                { "label": "F12", "x": 7, "y": 1 },
+                { "label": "Delete", "x": 8.5, "y": 1 },
+                { "label": "End", "x": 9.5, "y": 1 },
+                { "label": "PgDn", "x": 10.5, "y": 1 },
+                { "label": "Scroll Lock", "x": 11.5, "y": 1 },
+                { "label": "7", "x": 16, "y": 1 },
+                { "label": "8", "x": 17, "y": 1 },
+                { "label": "9", "x": 18, "y": 1 },
+                { "label": "+", "x": 19, "y": 1 },
+                { "label": "4", "x": 16, "y": 2 },
+                { "label": "5", "x": 17, "y": 2 },
+                { "label": "6", "x": 18, "y": 2 },
+                { "label": "+", "x": 19, "y": 2 },
+                { "label": "~", "x": 0, "y": 3 },
+                { "label": "!", "x": 1, "y": 3 },
+                { "label": "@", "x": 2, "y": 3 },
+                { "label": "#", "x": 3, "y": 3 },
+                { "label": "$", "x": 4, "y": 3 },
+                { "label": "%", "x": 5, "y": 3 },
+                { "label": "^", "x": 6, "y": 3 },
+                { "label": "&", "x": 7, "y": 3 },
+                { "label": "*", "x": 8, "y": 3 },
+                { "label": "(", "x": 9, "y": 3 },
+                { "label": ")", "x": 10, "y": 3 },
+                { "label": "_", "x": 11, "y": 3 },
+                { "label": "+", "x": 12, "y": 3 },
+                { "label": "Bksp", "x": 13, "y": 3 },
+                { "label": "Bksp", "x": 14, "y": 3 },
+                { "label": "1", "x": 16, "y": 3 },
+                { "label": "2", "x": 17, "y": 3 },
+                { "label": "3", "x": 18, "y": 3 },
+                { "label": "Enter", "x": 19, "y": 3 },
+                { "label": "Tab", "x": 0, "y": 4, "w": 1.5 },
+                { "label": "Q", "x": 1.5, "y": 4 },
+                { "label": "W", "x": 2.5, "y": 4 },
+                { "label": "E", "x": 3.5, "y": 4 },
+                { "label": "R", "x": 4.5, "y": 4 },
+                { "label": "T", "x": 5.5, "y": 4 },
+                { "label": "Y", "x": 6.5, "y": 4 },
+                { "label": "U", "x": 7.5, "y": 4 },
+                { "label": "I", "x": 8.5, "y": 4 },
+                { "label": "O", "x": 9.5, "y": 4 },
+                { "label": "P", "x": 10.5, "y": 4 },
+                { "label": "{", "x": 11.5, "y": 4 },
+                { "label": "}", "x": 12.5, "y": 4 },
+                { "label": "|", "x": 13.5, "y": 4, "w": 1.5 },
+                { "label": "0", "x": 16, "y": 4 },
+                { "label": "0", "x": 17, "y": 4 },
+                { "label": ".", "x": 18, "y": 4 },
+                { "label": "Enter", "x": 19, "y": 4 },
+                { "label": "Caps Lock", "x": 0, "y": 5, "w": 1.75 },
+                { "label": "A", "x": 1.75, "y": 5 },
+                { "label": "S", "x": 2.75, "y": 5 },
+                { "label": "D", "x": 3.75, "y": 5 },
+                { "label": "F", "x": 4.75, "y": 5 },
+                { "label": "G", "x": 5.75, "y": 5 },
+                { "label": "H", "x": 6.75, "y": 5 },
+                { "label": "J", "x": 7.75, "y": 5 },
+                { "label": "K", "x": 8.75, "y": 5 },
+                { "label": "L", "x": 9.75, "y": 5 },
+                { "label": ":", "x": 10.75, "y": 5 },
+                { "label": "\"", "x": 11.75, "y": 5 },
+                { "label": "Enter", "x": 12.75, "y": 5, "w": 2.25 },
+                { "label": "F13", "x": 16.5, "y": 5.25 },
+                { "label": "F14", "x": 17.5, "y": 5.25 },
+                { "label": "F15", "x": 18.5, "y": 5.25 },
+                { "label": "Shift", "x": 0, "y": 6, "w": 1.25 },
+                { "label": "Shift", "x": 1.25, "y": 6 },
+                { "label": "Z", "x": 2.25, "y": 6 },
+                { "label": "X", "x": 3.25, "y": 6 },
+                { "label": "C", "x": 4.25, "y": 6 },
+                { "label": "V", "x": 5.25, "y": 6 },
+                { "label": "B", "x": 6.25, "y": 6 },
+                { "label": "N", "x": 7.25, "y": 6 },
+                { "label": "M", "x": 8.25, "y": 6 },
+                { "label": "<", "x": 9.25, "y": 6 },
+                { "label": ">", "x": 10.25, "y": 6 },
+                { "label": "?", "x": 11.25, "y": 6 },
+                { "label": "Shift", "x": 12.25, "y": 6 },
+                { "label": "Shift", "x": 13.25, "y": 6 },
+                { "label": "\u2191", "x": 14.5, "y": 6.25 },
+                { "label": "F16", "x": 16.5, "y": 6.25 },
+                { "label": "F17", "x": 17.5, "y": 6.25 },
+                { "label": "F18", "x": 18.5, "y": 6.25 },
+                { "label": "Ctrl", "x": 0, "y": 7 },
+                { "label": "Win", "x": 1, "y": 7 },
+                { "label": "Alt", "x": 2, "y": 7 },
+                { "x": 3, "y": 7, "w": 3 },
+                { "x": 6, "y": 7, "w": 3 },
+                { "label": "Alt", "x": 9, "y": 7 },
+                { "label": "Win", "x": 10, "y": 7 },
+                { "label": "Menu", "x": 11, "y": 7 },
+                { "label": "Ctrl", "x": 12, "y": 7 },
+                { "label": "\u2190", "x": 13.5, "y": 7.25 },
+                { "label": "\u2193", "x": 14.5, "y": 7.25 },
+                { "label": "\u2192", "x": 15.5, "y": 7.25 },
+                { "label": "BTN1", "x": 17, "y": 7.25 },
+                { "label": "BTN2", "x": 18, "y": 7.25 }
+            ]
+        }
+    }
+}

keyboards/ydkb/grape/keymaps/default/keymap.c

@@ -0,0 +1,29 @@
+/* Copyright 2022 somepin
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_all(
+        KC_ESC,           KC_F1,   KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_F6,  KC_INS,  KC_HOME, KC_PGUP, KC_PSCR,          KC_PAUS,              KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+                          KC_F7,   KC_F8,  KC_F9,  KC_F10, KC_F11, KC_F12, KC_DEL,  KC_END,  KC_PGDN, KC_SLCK,                                KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+                                                                                                                                              KC_P4,   KC_P5,   KC_P6,   KC_PPLS,
+        KC_GRV,  KC_1,    KC_2,    KC_3,   KC_4,   KC_5,   KC_6,   KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC,     KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,   KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,              KC_P0,   KC_P0,   KC_PDOT, KC_PENT,
+        KC_CAPS, KC_A,    KC_S,    KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,                   KC_F13,   KC_F14,   KC_F15,   
+        KC_LSFT, KC_LSFT, KC_Z,    KC_X,   KC_C,   KC_V,   KC_B,   KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_RSFT, KC_UP,           KC_F16,   KC_F17,   KC_F18,   
+        KC_LCTL, KC_LGUI, KC_LALT,                 KC_SPC, KC_SPC,         KC_RALT, KC_RGUI, KC_APP,  KC_RCTL,          KC_LEFT, KC_DOWN, KC_RGHT,     KC_BTN1, KC_BTN2    
+    )
+};

keyboards/ydkb/grape/keymaps/via/keymap.c

@@ -0,0 +1,51 @@
+/* Copyright 2022 somepin
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_all(
+        KC_ESC,           KC_F1,   KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_F6,  KC_INS,  KC_HOME, KC_PGUP, KC_PSCR,          KC_PAUS,              KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+                          KC_F7,   KC_F8,  KC_F9,  KC_F10, KC_F11, KC_F12, KC_DEL,  KC_END,  KC_PGDN, KC_SLCK,                                KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
+                                                                                                                                              KC_P4,   KC_P5,   KC_P6,   KC_PPLS,
+        KC_GRV,  KC_1,    KC_2,    KC_3,   KC_4,   KC_5,   KC_6,   KC_7,   KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_BSPC,     KC_P1,   KC_P2,   KC_P3,   KC_PENT,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,   KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,              KC_P0,   KC_P0,   KC_PDOT, KC_PENT,
+        KC_CAPS, KC_A,    KC_S,    KC_D,   KC_F,   KC_G,   KC_H,   KC_J,   KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,                   KC_F13,   KC_F14,   KC_F15,   
+        KC_LSFT, KC_LSFT, KC_Z,    KC_X,   KC_C,   KC_V,   KC_B,   KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, KC_RSFT, KC_UP,           KC_F16,   KC_F17,   KC_F18,   
+        KC_LCTL, KC_LGUI, KC_LALT,                 KC_SPC, KC_SPC,         KC_RALT, KC_RGUI, KC_APP,  KC_RCTL,          KC_LEFT, KC_DOWN, KC_RGHT,     KC_BTN1, KC_BTN2    
+    ),
+
+    [1] = LAYOUT_all(
+        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,              _______, _______, _______, _______,
+                          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                                _______, _______, _______, _______,
+                                                                                                                                                   _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,     _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,              _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,                _______,   _______,   _______,   
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,       _______,   _______,   _______,   
+        _______, _______, _______,               _______, _______,         _______, _______, _______,  _______,              _______, _______, _______,      _______, _______    
+    ),
+
+    [2] = LAYOUT_all(
+        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,              _______, _______, _______, _______,
+                          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                                _______, _______, _______, _______,
+                                                                                                                                                   _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,     _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,              _______, _______, _______, _______,
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,                _______,   _______,   _______,   
+        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,       _______,   _______,   _______,   
+        _______, _______, _______,               _______, _______,         _______, _______, _______,  _______,              _______, _______, _______,      _______, _______    
+    ),
+};

keyboards/ydkb/grape/keymaps/via/rules.mk

@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes

keyboards/ydkb/grape/matrix.c

@@ -0,0 +1,96 @@
+/*
+Copyright 2022 somepin
+
+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 <stdint.h>
+#include <stdbool.h>
+#include "matrix.h"
+#include "quantum.h"
+#include "sn74x138.h"
+
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+
+/* All rows use a 74HC138 3 to 8 bit demultiplexer.
+ *
+ *     A2   A1   A0
+ *     D0   D1   D2
+ * 0:   0    0    0
+ * 1:   0    0    1
+ * 2:   0    1    0
+ * 3:   0    1    1
+ * 4:   1    0    0
+ * 5:   1    0    1
+ * 6:   1    1    0
+ */
+static void select_row(uint8_t row) {
+    sn74x138_set_addr(row);
+}
+
+static void init_pins(void) {
+    for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+        setPinInputHigh(col_pins[x]);
+    }
+}
+
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+    bool matrix_changed = false;
+
+    // Store last value of row prior to reading
+    matrix_row_t last_row_value = current_matrix[current_row];
+
+    // Start with a clear matrix row
+    current_matrix[current_row] = 0;
+
+    // Select row and wait for row selection to stabilize
+    select_row(current_row);
+    matrix_io_delay();
+
+    // For each col...
+    matrix_row_t row_shifter = MATRIX_ROW_SHIFTER;
+    for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+
+        // Select the col pin to read (active low)
+        uint8_t pin_state = readPin(col_pins[col_index]);
+
+        // Populate the matrix row with the state of the col pin
+        current_matrix[current_row] |=  pin_state ? 0 : (row_shifter << col_index);
+    }
+    
+    // Determine if matrix changed state
+    if ((last_row_value != current_matrix[current_row]) && !(matrix_changed)) {
+        matrix_changed = true;
+    }
+
+    return matrix_changed;
+}
+
+void matrix_init_custom(void) {
+    // initialize demultiplexer
+    sn74x138_init();
+    // initialize key pins
+    init_pins();
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+    bool changed = false;
+
+    // Set row, read cols
+    for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+        changed |= read_cols_on_row(current_matrix, current_row);
+    }
+
+    return changed;
+}

keyboards/ydkb/grape/readme.md

@@ -0,0 +1,23 @@
+# YDKB Grape
+
+![YDKB Grape](https://i.imgur.com/TZjgC9yh.jpg)
+
+The YDKB Grape is a Cherry G80-11800/11900 replacement PCB utilizing the ATmega32U4 microcontroller.
+
+* Keyboard Maintainer: [Gacathon](https://github.com/Gacathon)
+* Hardware Supported: YDKB Grape (ATmega32U4)
+* Hardware Availability: [TaoBao](https://item.taobao.com/item.htm?id=642205244150)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make ydkb/grape:default
+
+Flashing example for this keyboard:
+
+    make ydkb/grape:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+To enter the bootloader, briefly press the physical reset button between Num Lock and Numpad 8 on the front of the PCB.

keyboards/ydkb/grape/rules.mk

@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = yes           # Enable N-Key Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+CUSTOM_MATRIX = lite
+VPATH += drivers/gpio
+SRC += matrix.c sn74x138.c