[Keyboard] Add Fave87 (#13873)

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

keyboards/linworks/fave87/config.h

@@ -0,0 +1,55 @@
+/*
+Copyright 2021 Moritz Plattner
+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       0x4C58      //"LX"
+#define PRODUCT_ID      0x0002
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Lx3
+#define PRODUCT         FAVE-87
+
+/* Set 1 kHz polling rate and force USB NKRO */
+#define USB_POLLING_INTERVAL_MS 1
+#define FORCE_NKRO
+
+/* key matrix size */
+#define MATRIX_ROWS 12
+#define MATRIX_COLS 9
+
+#define MATRIX_ROW_PINS { D3, D5, D1, D2, D4, D0, F5, F4, F7, F6, B5, B4 }
+#define MATRIX_COL_PINS { F1, F0, E6, B0, B1, B2, B3, D6, D7 }
+#define UNUSED_PINS { B6, C6, C7 }
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION ROW2COL
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 5
+
+/* Backlight */
+#define BACKLIGHT_PIN B7 // Timer 1 on mega32u4
+#define BACKLIGHT_BREATHING
+#define BACKLIGHT_ON_STATE 1
+
+/* Underglow */
+#define RGB_DI_PIN E2
+#define RGBLED_NUM 40
+#define RGBLIGHT_SLEEP // Turns LEDs off if the PC goes to sleep/shutdown
+#define RGBLIGHT_EFFECT_BREATHING
+#define RGBLIGHT_EFFECT_RAINBOW_MOOD
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL