[Keyboard] Add GKB-M16 Macro Pad (#11262)

* Add GKB-M16 Macro Pad

Add GKB-M16 (gkb_m16) Macro Pad under gkeyboard

* Update keyboards/gkeyboard/gkb_m16/config.h

Co-authored-by: Joel Challis <git@zvecr.com>

* Update keyboards/gkeyboard/gkb_m16/keymaps/via/keymap.c

Co-authored-by: Joel Challis <git@zvecr.com>

* Update keyboards/gkeyboard/gkb_m16/info.json

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/gkeyboard/gkb_m16/keymaps/default/keymap.c

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

2 files changed, 74 insertions, 0 deletions

diff --git a/keyboards/gkeyboard/gkb_m16/keymaps/default/keymap.c b/keyboards/gkeyboard/gkb_m16/keymaps/default/keymap.c
new file mode 100644
index 0000000000..4fcde1b55c
--- /dev/null
+++ b/keyboards/gkeyboard/gkb_m16/keymaps/default/keymap.c
@@ -0,0 +1,73 @@
+/* Copyright 2020 gkeyboard
+ *
+ * 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
+
+enum layers {
+  _BASE = 0,
+  _FN1,
+  _FN2,
+};
+
+// Defines the keycodes used by our macros in process_record_user
+enum custom_keycodes {
+  QMKBEST = SAFE_RANGE,
+  QMKURL
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [_BASE] = LAYOUT_ortho_4x4(
+    KC_PGUP,  KC_HOME,  KC_UP,    KC_END ,
+    KC_PGDN,  KC_LEFT,  KC_DOWN,  KC_RGHT,
+    MO(_FN2), KC_VOLU,  KC_MPLY,  KC_MPRV,
+    MO(_FN1), KC_VOLD,  KC_MUTE,  KC_MNXT
+  ),
+  [_FN1] = LAYOUT_ortho_4x4(
+    KC_ESC,   KC_P7,    KC_P8,    KC_P9,
+    KC_TAB,   KC_P4,    KC_P5,    KC_P6,
+    KC_ENT,   KC_P1,    KC_P2,    KC_P3,
+    _______,  KC_P0,    KC_P0,    KC_DOT
+  ),
+  [_FN2] = LAYOUT_ortho_4x4(
+    RGB_MOD,  RGB_HUI,  RGB_SAI,  RGB_VAI,
+    RGB_RMOD, RGB_HUD,  RGB_SAD,  RGB_VAD,
+    _______,  _______,  _______,  RESET,
+    RGB_TOG,  _______,  QMKBEST,  QMKURL
+  )
+
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case QMKBEST:
+            if (record->event.pressed) {
+                // when keycode QMKBEST is pressed
+                SEND_STRING("QMK is the best thing ever!");
+            } else {
+                // when keycode QMKBEST is released
+            }
+            break;
+        case QMKURL:
+            if (record->event.pressed) {
+                // when keycode QMKURL is pressed
+                SEND_STRING("https://qmk.fm/\n");
+            } else {
+                // when keycode QMKURL is released
+            }
+            break;
+    }
+    return true;
+}
diff --git a/keyboards/gkeyboard/gkb_m16/keymaps/default/readme.md b/keyboards/gkeyboard/gkb_m16/keymaps/default/readme.md
new file mode 100644
index 0000000000..7e49601249
--- /dev/null
+++ b/keyboards/gkeyboard/gkb_m16/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for GKB-M16