[Keyboard] Add handwired Split 5x7 (#18128)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/handwired/stef9998/split_5x7/rev1/config.h

@@ -0,0 +1,58 @@
+/*
+Copyright 2022 stef9998
+
+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"
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 10
+#define MATRIX_COLS 7
+
+// wiring of each half
+#define MATRIX_ROW_PINS { C6, D7, E6, B4, B5 }
+#define MATRIX_COL_PINS { B2, B6, B1, B3, F7, F5, F6 }
+
+#define MATRIX_ROW_PINS_RIGHT { B5, B4, E6, D7, C6 }
+#define MATRIX_COL_PINS_RIGHT { F5, F6, F7, B1, B3, B2, B6 }
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
+
+/*
+ * Feature disable options
+ *  These options are also useful to firmware size reduction.
+ */
+
+/* disable debug print */
+// #define NO_DEBUG
+
+/* disable print */
+// #define NO_PRINT
+
+/* disable action features */
+//#define NO_ACTION_LAYER
+//#define NO_ACTION_TAPPING
+//#define NO_ACTION_ONESHOT

keyboards/handwired/stef9998/split_5x7/rev1/rev1.c

@@ -0,0 +1,17 @@
+/*
+Copyright 2022 stef9998
+
+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 "split_5x7.h"

keyboards/handwired/stef9998/split_5x7/rev1/rev1.h

@@ -0,0 +1,40 @@
+/*
+Copyright 2022 stef9998
+
+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 "split_5x7.h"
+
+
+#define LAYOUT( \
+  k00, k01, k02, k03, k04, k05, k06,                k07, k08, k09, k10, k11, k12, k13, \
+  k14, k15, k16, k17, k18, k19, k20,                k21, k22, k23, k24, k25, k26, k27, \
+  k28, k29, k30, k31, k32, k33, k34,                k35, k36, k37, k38, k39, k40, k41, \
+  k42, k43, k44, k45, k46, k47, k48,                k49, k50, k51, k52, k53, k54, k55, \
+  k56, k57, k58, k59,      k61, k62,                k63, k64,      k66, k67, k68, k69  \
+) \
+{ \
+    { k00, k01, k02, k03, k04  , k05, k06 }, \
+    { k14, k15, k16, k17, k18  , k19, k20 }, \
+    { k28, k29, k30, k31, k32  , k33, k34 }, \
+    { k42, k43, k44, k45, k46  , k47, k48 }, \
+    { k56, k57, k58, k59, KC_NO, k61, k62 }, \
+    { k13, k12, k11, k10, k09  , k08, k07 }, \
+    { k27, k26, k25, k24, k23  , k22, k21 }, \
+    { k41, k40, k39, k38, k37  , k36, k35 }, \
+    { k55, k54, k53, k52, k51  , k50, k49 }, \
+    { k69, k68, k67, k66, KC_NO, k64, k63 }  \
+}

keyboards/handwired/stef9998/split_5x7/rev1/rules.mk

@@ -0,0 +1,4 @@
+# Disable unsupported hardware
+AUDIO_SUPPORTED = no
+BACKLIGHT_SUPPORTED = no
+RGBLIGHT_SUPPORTED = no