Support for YMDK NP21 (#2316)

* ymdk_np21 initial support

Base support of ymdk_np21 - based on jj40. Full grid layout

* Update README.md

Replacing description.

* Adding YMDK NP21 to comunity list.

Adding YMDK NP21 to community supported list.

1 files changed, 54 insertions, 0 deletions

diff --git a/keyboards/ymdk_np21/config.h b/keyboards/ymdk_np21/config.h
new file mode 100644
index 000000000..2b358113d
--- /dev/null
+++ b/keyboards/ymdk_np21/config.h
@@ -0,0 +1,54 @@
+/*
+Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
+
+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 "config_common.h"
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define VENDOR_ID       0x20A0
+#define PRODUCT_ID      0x422D
+// TODO: share these strings with usbconfig.h
+// Edit usbconfig.h to change these.
+#define MANUFACTURER    ymdk
+#define PRODUCT         np21
+
+/* matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 15
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+#define BACKLIGHT_LEVELS 12
+// #define BACKLIGHT_BREATHING  // works, but BL_TOGG might not work
+
+#define TAPPING_TOGGLE 3
+
+#define NO_UART 1
+
+/* RGB underglow */
+// The RGB_DI_PIN value seems to be shared between all PS2AVRGB boards.
+// The same pin is used on the JJ40, at least.
+#define RGBLED_NUM 5
+#define RGB_DI_PIN E2 // NOTE: for PS2AVRGB boards, underglow commands are sent via I2C to 0xB0.
+#define RGBLIGHT_ANIMATIONS
+
+/* key combination for command */
+#define IS_COMMAND() (keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)))
+
+#endif