[Keyboard] Add pisces keyboard (#12287)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/pisces/config.h

@@ -0,0 +1,70 @@
+/* Copyright 2021 knaruo
+ *
+ * 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    0x6B6E
+#define PRODUCT_ID   0x0000
+#define DEVICE_VER   0x0001
+#define MANUFACTURER knaruo
+#define PRODUCT      pisces
+
+#define USE_SERIAL
+
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D2
+
+/* Select hand configuration */
+#define SPLIT_HAND_MATRIX_GRID B0,B7
+#define MATRIX_MASKED
+#define SPLIT_USB_DETECT
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS (3*2)
+#define MATRIX_COLS 7
+
+/*
+ * Keyboard Matrix Assignments
+ *
+ * Change this to how you wired your keyboard
+ * COLS: AVR pins used for columns, left to right
+ * ROWS: AVR pins used for rows, top to bottom
+ * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
+ *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
+ *
+ */
+#define MATRIX_ROW_PINS { C4, B0, C7 }
+#define MATRIX_COL_PINS { B1, B2, B3, B4, B5, B6, B7 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* 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
+
+/* disable these deprecated features by default */
+#define NO_ACTION_MACRO
+#define NO_ACTION_FUNCTION