[Keyboard] Add alt34 keyboard (#17223)

* Add files for alt34 keyboard

* Add link to hardware bill of materials for alt34

* Change keyboard image link to imgur

* Remove platform specific defines from rev1.h

* Remove bluetooth and sleep led rules etc

* Add GPL license header to all source code files

* Shorten comment for NKRO_ENABLE

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

* Simplify option usage comment in rules.mk

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

* Set imgur link to largest size option

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

* Move rules.mk into rev1 folder entirely

* Remove .noci file

* Update keyboards/alt34/rev1/rules.mk

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

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

4 files changed, 128 insertions, 0 deletions

diff --git a/keyboards/alt34/rev1/config.h b/keyboards/alt34/rev1/config.h
new file mode 100644
index 0000000000..f599d62935
--- /dev/null
+++ b/keyboards/alt34/rev1/config.h
@@ -0,0 +1,46 @@
+/*
+Copyright 2022 Tommy Alatalo <@altosys>
+
+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
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0x1ABC
+#define PRODUCT_ID      0x0001
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    altosys
+#define PRODUCT         alt34
+
+/* key matrix size */
+// Rows are doubled-up
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 5
+
+// wiring of each half
+#define MATRIX_ROW_PINS { D7, E6, B4, B5 }
+#define MATRIX_COL_PINS { B6, B2, B3, B1, F7 }
+#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 */
+
+/* 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
diff --git a/keyboards/alt34/rev1/rev1.c b/keyboards/alt34/rev1/rev1.c
new file mode 100644
index 0000000000..f71f8092c9
--- /dev/null
+++ b/keyboards/alt34/rev1/rev1.c
@@ -0,0 +1,18 @@
+/*
+Copyright 2022 Tommy Alatalo <@altosys>
+
+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 "alt34.h"
diff --git a/keyboards/alt34/rev1/rev1.h b/keyboards/alt34/rev1/rev1.h
new file mode 100644
index 0000000000..5600b0d5ad
--- /dev/null
+++ b/keyboards/alt34/rev1/rev1.h
@@ -0,0 +1,42 @@
+/*
+Copyright 2022 Tommy Alatalo <@altosys>
+
+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 "alt34.h"
+#include "quantum.h"
+
+#define ____ KC_NO
+
+/*              left hand                     right hand            */
+#define LAYOUT_split_3x5_2(\
+    K0_0, K0_1, K0_2, K0_3, K0_4,       K0_5, K0_6, K0_7, K0_8, K0_9,\
+    K1_0, K1_1, K1_2, K1_3, K1_4,       K1_5, K1_6, K1_7, K1_8, K1_9,\
+    K2_0, K2_1, K2_2, K2_3, K2_4,       K2_5, K2_6, K2_7, K2_8, K2_9,\
+                      K3_2, K3_3,       K3_4, K3_5 )\
+/* matrix positions */\
+{\
+    {K0_0,  K0_1,  K0_2,  K0_3,  K0_4},\
+    {K1_0,  K1_1,  K1_2,  K1_3,  K1_4},\
+    {K2_0,  K2_1,  K2_2,  K2_3,  K2_4},\
+    {____,  ____,  ____,  K3_2,  K3_3},\
+	\
+	{K0_9,  K0_8,  K0_7,  K0_6,  K0_5},\
+	{K1_9,  K1_8,  K1_7,  K1_6,  K1_5},\
+	{K2_9,  K2_8,  K2_7,  K2_6,  K2_5},\
+	{____,  ____,  ____,  K3_5,  K3_4} \
+}
diff --git a/keyboards/alt34/rev1/rules.mk b/keyboards/alt34/rev1/rules.mk
new file mode 100644
index 0000000000..a57c3ad606
--- /dev/null
+++ b/keyboards/alt34/rev1/rules.mk
@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change to "no" to disable the options
+#
+BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = no        # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = no            # Enable N-Key Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+
+SPLIT_KEYBOARD = yes
+LAYOUTS = split_3x5_2
+DEFAULT_FOLDER = alt34/rev1