Massdrop keyboard support (#3780)

* Massdrop SAMD51

Massdrop SAMD51 keyboards initial project upload

* Removing relocated files

Removing files that were relocated and not deleted from previous location

* LED queue fix and cleaning

Cleaned some white space or comments.
Fix for LED I2C command queue.
Cleaned up interrupts.
Added debug function for printing numbers to scope through m15 line.

* Factory programmed serial usage

Ability to use factory programmed serial in hub and keyboard usb descriptors

* USB serial number and bugfix

Added support for factory programmed serial and usage.
Incorporated bootloader's conditional compiling to align project closer.
Fixed issue when USB device attempted to send before enabled.
General white space and comment cleanup.

* Project cleanup

Cleaned up project in terms of white space, commented code, and unecessary files.
NKRO keyboard is now using correct setreport although KBD was fine to use.
Fixed broken linkage to __xprintf for serial debug statements.

* Fix for extra keys

Fixed possible USB hang on extra keys report set missing

* I2C cleanup

I2C cleanup and file renames necessary for master branch merge

* Boot tracing and clocks cleanup

Added optional boot debug trace mode through debug LED codes.
General clock code cleanup.

* Relocate ARM/Atmel headers

Moved ARM/Atmel header folder from drivers to lib and made necessary makefile changes.

* Pull request changes

Pull request changes

* Keymap and compile flag fix

Keymap fix for momentary layer.
Potential compile flag fix for Travis CI failure.

* va_list include fix

Fix for va_list compile failure

* Include file case fixes

Fixes for include files with incorrect case

* ctrl and alt67 keyboard readme

Added ctrl and alt67 keyboard readme files

18 files changed, 1838 insertions, 0 deletions

diff --git a/keyboards/alt67/alt67.h b/keyboards/alt67/alt67.h
new file mode 100644
index 0000000000..387985512b
--- /dev/null
+++ b/keyboards/alt67/alt67.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "quantum.h"
+#include "config_led.h"
+#include "matrix.h"
+
+#include "i2c_master.h"
+#include "led_matrix.h" //For led keycodes
+#include "usb/udi_cdc.h"
+#include "usb/usb2422.h"
+
+#define LAYOUT( \
+    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, K60, \
+    K61, K62, K63, K64, K65, K66, K67 \
+) { \
+    {   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, KC_NO,   K43,   K44, }, \
+    {   K45, KC_NO,   K46,   K47,   K48,   K49,   K50,   K51,   K52,   K53,   K54,   K55,   K56,   K57,   K58, }, \
+    {   K59,   K60,   K61, KC_NO, KC_NO, KC_NO,   K62, KC_NO, KC_NO, KC_NO,   K63,   K64,   K65,   K66,   K67, }, \
+}
diff --git a/keyboards/alt67/config.h b/keyboards/alt67/config.h
new file mode 100644
index 0000000000..c67ae7d432
--- /dev/null
+++ b/keyboards/alt67/config.h
@@ -0,0 +1,79 @@
+/*
+Copyright 2015 Jun Wako <wakojun@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/>.
+*/
+
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID           0x04D8
+#define PRODUCT_ID          0xEED3
+#define DEVICE_VER          0x0101
+
+#define MANUFACTURER        "Massdrop Inc."
+#define PRODUCT             "ALT67 Keyboard"
+#define SERIAL_NUM          "Unavailable"
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 15
+
+#define PA 0
+#define PB 1
+
+#define MATRIX_ROW_PORTS PA, PA, PA, PA, PA
+#define MATRIX_ROW_PINS   0,  1,  2,  3,  4
+
+#define MATRIX_COL_PORTS PB, PB, PB, PB, PB, PB, PB, PB, PB, PB, PA, PA, PA, PA, PA
+#define MATRIX_COL_PINS   4,  5,  6,  7,  8,  9, 10, 11, 12, 13,  5,  6,  7, 10, 11
+
+/* Print boot debug codes using debug LED when M28 and M30 shorted */
+#define DEBUG_BOOT_TRACING
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCING_DELAY 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
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* Force boot in NKRO mode */
+//#define FORCE_NKRO
+
+/*
+ * 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
+//#define NO_ACTION_MACRO
+//#define NO_ACTION_FUNCTION
diff --git a/keyboards/alt67/config_led.h b/keyboards/alt67/config_led.h
new file mode 100644
index 0000000000..a049e38179
--- /dev/null
+++ b/keyboards/alt67/config_led.h
@@ -0,0 +1,178 @@
+/*
+Copyright 2018 Massdrop Inc.
+
+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/>.
+*/
+
+#ifndef _config_led_h_
+#define _config_led_h_
+
+//Define number of ISSI3733 drivers being used (1...16)
+#define ISSI3733_DRIVER_COUNT 2
+
+//Hardware address of each driver (Refer to ISSI3733 pdf "Table 1 Slave Address" and keyboard schematic)
+#define ISSI3773_DRIVER_ADDRESSES { 0xA0, 0xBE }
+
+//LED I2C bus speed
+#define I2C_HZ 580000
+
+//Count of LED bodies
+#define ISSI3733_LED_COUNT 105
+
+//Default Global Current Register value (Default brightness 0 - 255)
+#define ISSI3733_GCR_DEFAULT 128
+
+#define LED_GCR_MAX                 165         //Max GCR value (0 - 255) WARNING: Raising this value may overload the LED drivers and USB bus
+#define LED_GCR_STEP                10          //GCR increment/decrement value
+
+//Automatic power rollback and recovery
+#define V5_HIGH                     2540        //5V high level (After low power detect, point at which LEDs are allowed to use more power )
+#define V5_LOW                      2480        //5V low level (LED power rolled back to stay above this limit)
+#define V5_CAT                      2200        //5V catastrophic level (Host USB port potential to shut down)
+
+#define ANIMATION_SPEED_STEP        1
+
+#define BREATHE_MIN_STEP            0
+#define BREATHE_MAX_STEP            255
+
+//LED Mapping - More practically generated from a spreadsheet program
+//id: ID of the LED (Sync with PCB callouts)
+//x: Physical X coordinate of LED (units do not matter)
+//y: Physical Y coordinate of LED (units do not matter)
+//drv: 1-Based index of ISSI3773_DRIVER_ADDRESSES
+//cs: Matrix wiring CS col (1-16)
+//swr: Matrix wiring SW Red row (1-12)
+//swg: Matrix wiring SW Green row (1-12)
+//swb: Matrix wiring SW Blue row (1-12)
+//scan: Associated key scancode if any
+//Note: Origin 0,0 may be located anywhere as the software will do the final layout
+#define ISSI3733_LED_MAP { \
+ { .id = 1, .x = 0, .y = 0, .adr = { .drv = 2, .cs = 2, .swr = 2, .swg = 1, .swb = 3 }, .scan = 0 }, \
+ { .id = 2, .x = 0.75, .y = 0, .adr = { .drv = 2, .cs = 3, .swr = 5, .swg = 4, .swb = 6 }, .scan = 1 }, \
+ { .id = 3, .x = 1.5, .y = 0, .adr = { .drv = 2, .cs = 4, .swr = 5, .swg = 4, .swb = 6 }, .scan = 2 }, \
+ { .id = 4, .x = 2.25, .y = 0, .adr = { .drv = 2, .cs = 5, .swr = 5, .swg = 4, .swb = 6 }, .scan = 3 }, \
+ { .id = 5, .x = 3, .y = 0, .adr = { .drv = 2, .cs = 6, .swr = 5, .swg = 4, .swb = 6 }, .scan = 4 }, \
+ { .id = 6, .x = 3.75, .y = 0, .adr = { .drv = 2, .cs = 7, .swr = 5, .swg = 4, .swb = 6 }, .scan = 5 }, \
+ { .id = 7, .x = 4.5, .y = 0, .adr = { .drv = 2, .cs = 8, .swr = 5, .swg = 4, .swb = 6 }, .scan = 6 }, \
+ { .id = 8, .x = 5.25, .y = 0, .adr = { .drv = 2, .cs = 13, .swr = 2, .swg = 1, .swb = 3 }, .scan = 7 }, \
+ { .id = 9, .x = 6, .y = 0, .adr = { .drv = 1, .cs = 1, .swr = 5, .swg = 4, .swb = 6 }, .scan = 8 }, \
+ { .id = 10, .x = 6.75, .y = 0, .adr = { .drv = 1, .cs = 2, .swr = 5, .swg = 4, .swb = 6 }, .scan = 9 }, \
+ { .id = 11, .x = 7.5, .y = 0, .adr = { .drv = 1, .cs = 3, .swr = 5, .swg = 4, .swb = 6 }, .scan = 10 }, \
+ { .id = 12, .x = 8.25, .y = 0, .adr = { .drv = 1, .cs = 4, .swr = 5, .swg = 4, .swb = 6 }, .scan = 11 }, \
+ { .id = 13, .x = 9, .y = 0, .adr = { .drv = 1, .cs = 5, .swr = 5, .swg = 4, .swb = 6 }, .scan = 12 }, \
+ { .id = 14, .x = 10.125, .y = 0, .adr = { .drv = 1, .cs = 6, .swr = 5, .swg = 4, .swb = 6 }, .scan = 13 }, \
+ { .id = 15, .x = 11.25, .y = 0, .adr = { .drv = 1, .cs = 7, .swr = 2, .swg = 1, .swb = 3 }, .scan = 14 }, \
+ { .id = 16, .x = 0.188, .y = -0.75, .adr = { .drv = 2, .cs = 2, .swr = 5, .swg = 4, .swb = 6 }, .scan = 15 }, \
+ { .id = 17, .x = 1.125, .y = -0.75, .adr = { .drv = 2, .cs = 3, .swr = 8, .swg = 7, .swb = 9 }, .scan = 16 }, \
+ { .id = 18, .x = 1.875, .y = -0.75, .adr = { .drv = 2, .cs = 4, .swr = 8, .swg = 7, .swb = 9 }, .scan = 17 }, \
+ { .id = 19, .x = 2.625, .y = -0.75, .adr = { .drv = 2, .cs = 5, .swr = 8, .swg = 7, .swb = 9 }, .scan = 18 }, \
+ { .id = 20, .x = 3.375, .y = -0.75, .adr = { .drv = 2, .cs = 6, .swr = 8, .swg = 7, .swb = 9 }, .scan = 19 }, \
+ { .id = 21, .x = 4.125, .y = -0.75, .adr = { .drv = 2, .cs = 7, .swr = 8, .swg = 7, .swb = 9 }, .scan = 20 }, \
+ { .id = 22, .x = 4.875, .y = -0.75, .adr = { .drv = 2, .cs = 8, .swr = 8, .swg = 7, .swb = 9 }, .scan = 21 }, \
+ { .id = 23, .x = 5.625, .y = -0.75, .adr = { .drv = 1, .cs = 1, .swr = 8, .swg = 7, .swb = 9 }, .scan = 22 }, \
+ { .id = 24, .x = 6.375, .y = -0.75, .adr = { .drv = 1, .cs = 2, .swr = 8, .swg = 7, .swb = 9 }, .scan = 23 }, \
+ { .id = 25, .x = 7.125, .y = -0.75, .adr = { .drv = 1, .cs = 3, .swr = 8, .swg = 7, .swb = 9 }, .scan = 24 }, \
+ { .id = 26, .x = 7.875, .y = -0.75, .adr = { .drv = 1, .cs = 4, .swr = 8, .swg = 7, .swb = 9 }, .scan = 25 }, \
+ { .id = 27, .x = 8.625, .y = -0.75, .adr = { .drv = 1, .cs = 5, .swr = 8, .swg = 7, .swb = 9 }, .scan = 26 }, \
+ { .id = 28, .x = 9.375, .y = -0.75, .adr = { .drv = 1, .cs = 11, .swr = 11, .swg = 10, .swb = 12 }, .scan = 27 }, \
+ { .id = 29, .x = 10.313, .y = -0.75, .adr = { .drv = 1, .cs = 6, .swr = 8, .swg = 7, .swb = 9 }, .scan = 28 }, \
+ { .id = 30, .x = 11.25, .y = -0.75, .adr = { .drv = 1, .cs = 7, .swr = 5, .swg = 4, .swb = 6 }, .scan = 29 }, \
+ { .id = 31, .x = 0.281, .y = -1.5, .adr = { .drv = 2, .cs = 2, .swr = 8, .swg = 7, .swb = 9 }, .scan = 30 }, \
+ { .id = 32, .x = 1.313, .y = -1.5, .adr = { .drv = 2, .cs = 3, .swr = 11, .swg = 10, .swb = 12 }, .scan = 31 }, \
+ { .id = 33, .x = 2.063, .y = -1.5, .adr = { .drv = 2, .cs = 4, .swr = 11, .swg = 10, .swb = 12 }, .scan = 32 }, \
+ { .id = 34, .x = 2.813, .y = -1.5, .adr = { .drv = 2, .cs = 5, .swr = 11, .swg = 10, .swb = 12 }, .scan = 33 }, \
+ { .id = 35, .x = 3.563, .y = -1.5, .adr = { .drv = 2, .cs = 6, .swr = 11, .swg = 10, .swb = 12 }, .scan = 34 }, \
+ { .id = 36, .x = 4.313, .y = -1.5, .adr = { .drv = 2, .cs = 7, .swr = 11, .swg = 10, .swb = 12 }, .scan = 35 }, \
+ { .id = 37, .x = 5.063, .y = -1.5, .adr = { .drv = 2, .cs = 8, .swr = 11, .swg = 10, .swb = 12 }, .scan = 36 }, \
+ { .id = 38, .x = 5.813, .y = -1.5, .adr = { .drv = 1, .cs = 1, .swr = 11, .swg = 10, .swb = 12 }, .scan = 37 }, \
+ { .id = 39, .x = 6.563, .y = -1.5, .adr = { .drv = 1, .cs = 2, .swr = 11, .swg = 10, .swb = 12 }, .scan = 38 }, \
+ { .id = 40, .x = 7.313, .y = -1.5, .adr = { .drv = 1, .cs = 3, .swr = 11, .swg = 10, .swb = 12 }, .scan = 39 }, \
+ { .id = 41, .x = 8.063, .y = -1.5, .adr = { .drv = 1, .cs = 4, .swr = 11, .swg = 10, .swb = 12 }, .scan = 40 }, \
+ { .id = 42, .x = 8.813, .y = -1.5, .adr = { .drv = 1, .cs = 5, .swr = 11, .swg = 10, .swb = 12 }, .scan = 41 }, \
+ { .id = 43, .x = 10.031, .y = -1.5, .adr = { .drv = 1, .cs = 6, .swr = 11, .swg = 10, .swb = 12 }, .scan = 43 }, \
+ { .id = 44, .x = 11.25, .y = -1.5, .adr = { .drv = 1, .cs = 7, .swr = 8, .swg = 7, .swb = 9 }, .scan = 44 }, \
+ { .id = 45, .x = 0.469, .y = -2.25, .adr = { .drv = 2, .cs = 2, .swr = 11, .swg = 10, .swb = 12 }, .scan = 45 }, \
+ { .id = 46, .x = 1.688, .y = -2.25, .adr = { .drv = 2, .cs = 9, .swr = 5, .swg = 4, .swb = 6 }, .scan = 47 }, \
+ { .id = 47, .x = 2.438, .y = -2.25, .adr = { .drv = 2, .cs = 9, .swr = 2, .swg = 1, .swb = 3 }, .scan = 48 }, \
+ { .id = 48, .x = 3.188, .y = -2.25, .adr = { .drv = 2, .cs = 9, .swr = 11, .swg = 10, .swb = 12 }, .scan = 49 }, \
+ { .id = 49, .x = 3.938, .y = -2.25, .adr = { .drv = 2, .cs = 9, .swr = 8, .swg = 7, .swb = 9 }, .scan = 50 }, \
+ { .id = 50, .x = 4.688, .y = -2.25, .adr = { .drv = 2, .cs = 12, .swr = 11, .swg = 10, .swb = 12 }, .scan = 51 }, \
+ { .id = 51, .x = 5.438, .y = -2.25, .adr = { .drv = 2, .cs = 13, .swr = 11, .swg = 10, .swb = 12 }, .scan = 52 }, \
+ { .id = 52, .x = 6.188, .y = -2.25, .adr = { .drv = 1, .cs = 9, .swr = 11, .swg = 10, .swb = 12 }, .scan = 53 }, \
+ { .id = 53, .x = 6.938, .y = -2.25, .adr = { .drv = 1, .cs = 10, .swr = 11, .swg = 10, .swb = 12 }, .scan = 54 }, \
+ { .id = 54, .x = 7.688, .y = -2.25, .adr = { .drv = 1, .cs = 10, .swr = 8, .swg = 7, .swb = 9 }, .scan = 55 }, \
+ { .id = 55, .x = 8.438, .y = -2.25, .adr = { .drv = 1, .cs = 11, .swr = 8, .swg = 7, .swb = 9 }, .scan = 56 }, \
+ { .id = 56, .x = 9.469, .y = -2.25, .adr = { .drv = 1, .cs = 11, .swr = 2, .swg = 1, .swb = 3 }, .scan = 57 }, \
+ { .id = 57, .x = 10.5, .y = -2.25, .adr = { .drv = 1, .cs = 11, .swr = 5, .swg = 4, .swb = 6 }, .scan = 58 }, \
+ { .id = 58, .x = 11.25, .y = -2.25, .adr = { .drv = 1, .cs = 7, .swr = 11, .swg = 10, .swb = 12 }, .scan = 59 }, \
+ { .id = 59, .x = 0.094, .y = -3, .adr = { .drv = 2, .cs = 10, .swr = 8, .swg = 7, .swb = 9 }, .scan = 60 }, \
+ { .id = 60, .x = 1.031, .y = -3, .adr = { .drv = 2, .cs = 10, .swr = 5, .swg = 4, .swb = 6 }, .scan = 61 }, \
+ { .id = 61, .x = 1.969, .y = -3, .adr = { .drv = 2, .cs = 10, .swr = 2, .swg = 1, .swb = 3 }, .scan = 62 }, \
+ { .id = 62, .x = 4.781, .y = -3, .adr = { .drv = 2, .cs = 12, .swr = 8, .swg = 7, .swb = 9 }, .scan = 66 }, \
+ { .id = 63, .x = 7.594, .y = -3, .adr = { .drv = 1, .cs = 10, .swr = 5, .swg = 4, .swb = 6 }, .scan = 70 }, \
+ { .id = 64, .x = 8.531, .y = -3, .adr = { .drv = 1, .cs = 10, .swr = 2, .swg = 1, .swb = 3 }, .scan = 71 }, \
+ { .id = 65, .x = 9.75, .y = -3, .adr = { .drv = 1, .cs = 12, .swr = 2, .swg = 1, .swb = 3 }, .scan = 72 }, \
+ { .id = 66, .x = 10.5, .y = -3, .adr = { .drv = 1, .cs = 12, .swr = 8, .swg = 7, .swb = 9 }, .scan = 73 }, \
+ { .id = 67, .x = 11.25, .y = -3, .adr = { .drv = 1, .cs = 12, .swr = 5, .swg = 4, .swb = 6 }, .scan = 74 }, \
+ { .id = 68, .x = -0.338, .y = -3.338, .adr = { .drv = 2, .cs = 11, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+ { .id = 69, .x = 0.39, .y = -3.443, .adr = { .drv = 2, .cs = 11, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 70, .x = 1.263, .y = -3.443, .adr = { .drv = 2, .cs = 11, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 71, .x = 2.135, .y = -3.443, .adr = { .drv = 2, .cs = 11, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 72, .x = 3.008, .y = -3.443, .adr = { .drv = 2, .cs = 12, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 73, .x = 3.88, .y = -3.443, .adr = { .drv = 2, .cs = 12, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 74, .x = 4.753, .y = -3.443, .adr = { .drv = 2, .cs = 13, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 75, .x = 5.625, .y = -3.443, .adr = { .drv = 2, .cs = 13, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 76, .x = 6.497, .y = -3.443, .adr = { .drv = 1, .cs = 9, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 77, .x = 7.37, .y = -3.443, .adr = { .drv = 1, .cs = 9, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 78, .x = 8.242, .y = -3.443, .adr = { .drv = 1, .cs = 9, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 79, .x = 9.115, .y = -3.443, .adr = { .drv = 1, .cs = 13, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 80, .x = 9.987, .y = -3.443, .adr = { .drv = 1, .cs = 13, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 81, .x = 10.86, .y = -3.443, .adr = { .drv = 1, .cs = 13, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 82, .x = 11.588, .y = -3.338, .adr = { .drv = 1, .cs = 13, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+ { .id = 83, .x = 11.693, .y = -2.623, .adr = { .drv = 1, .cs = 12, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+ { .id = 84, .x = 11.693, .y = -1.873, .adr = { .drv = 1, .cs = 8, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+ { .id = 85, .x = 11.693, .y = -1.123, .adr = { .drv = 1, .cs = 8, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 86, .x = 11.693, .y = -0.373, .adr = { .drv = 1, .cs = 8, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 87, .x = 11.588, .y = 0.338, .adr = { .drv = 1, .cs = 8, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 88, .x = 9.908, .y = 0.443, .adr = { .drv = 1, .cs = 6, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 89, .x = 9.288, .y = 0.443, .adr = { .drv = 1, .cs = 5, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 90, .x = 8.625, .y = 0.443, .adr = { .drv = 1, .cs = 4, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 91, .x = 7.875, .y = 0.443, .adr = { .drv = 1, .cs = 3, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 92, .x = 7.125, .y = 0.443, .adr = { .drv = 1, .cs = 2, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 93, .x = 6.375, .y = 0.443, .adr = { .drv = 1, .cs = 1, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 94, .x = 5.625, .y = 0.443, .adr = { .drv = 1, .cs = 14, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 95, .x = 4.875, .y = 0.443, .adr = { .drv = 2, .cs = 8, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 96, .x = 4.125, .y = 0.443, .adr = { .drv = 2, .cs = 7, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 97, .x = 3.375, .y = 0.443, .adr = { .drv = 2, .cs = 6, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 98, .x = 2.625, .y = 0.443, .adr = { .drv = 2, .cs = 5, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 99, .x = 1.875, .y = 0.443, .adr = { .drv = 2, .cs = 4, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 100, .x = 1.125, .y = 0.443, .adr = { .drv = 2, .cs = 3, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 101, .x = -0.338, .y = 0.338, .adr = { .drv = 2, .cs = 1, .swr = 2, .swg = 1, .swb = 3 }, .scan = 255 }, \
+ { .id = 102, .x = -0.443, .y = -0.373, .adr = { .drv = 2, .cs = 1, .swr = 5, .swg = 4, .swb = 6 }, .scan = 255 }, \
+ { .id = 103, .x = -0.443, .y = -1.123, .adr = { .drv = 2, .cs = 1, .swr = 8, .swg = 7, .swb = 9 }, .scan = 255 }, \
+ { .id = 104, .x = -0.443, .y = -1.873, .adr = { .drv = 2, .cs = 1, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+ { .id = 105, .x = -0.443, .y = -2.623, .adr = { .drv = 2, .cs = 10, .swr = 11, .swg = 10, .swb = 12 }, .scan = 255 }, \
+};
+
+
+#define USB_LED_INDICATOR_ENABLE    //Comment out to disable indicator functionality
+#ifdef USB_LED_INDICATOR_ENABLE     //Scan codes refer to actual key matrix codes, not KC_* (255 to disable)
+    #define USB_LED_NUM_LOCK_SCANCODE       255
+    #define USB_LED_CAPS_LOCK_SCANCODE      30
+    #define USB_LED_SCROLL_LOCK_SCANCODE    255
+    #define USB_LED_COMPOSE_SCANCODE        255
+    #define USB_LED_KANA_SCANCODE           255
+#endif //USB_LED_INDICATOR_ENABLE
+
+#endif //_config_led_h_
diff --git a/keyboards/alt67/keymaps/default/keymap.c b/keyboards/alt67/keymaps/default/keymap.c
new file mode 100644
index 0000000000..8b77da55a6
--- /dev/null
+++ b/keyboards/alt67/keymaps/default/keymap.c
@@ -0,0 +1,200 @@
+#include QMK_KEYBOARD_H
+
+enum alt67_keycodes {
+    L_BRI = SAFE_RANGE, //LED Brightness Increase
+    L_BRD,              //LED Brightness Decrease
+    L_PTN,              //LED Pattern Select Next
+    L_PTP,              //LED Pattern Select Previous
+    L_PSI,              //LED Pattern Speed Increase
+    L_PSD,              //LED Pattern Speed Decrease
+    L_T_MD,             //LED Toggle Mode
+    L_T_ONF,            //LED Toggle On / Off
+    L_ON,               //LED On
+    L_OFF,              //LED Off
+    L_T_BR,             //LED Toggle Breath Effect
+    L_T_PTD,            //LED Toggle Scrolling Pattern Direction
+    U_T_AUTO,           //USB Extra Port Toggle Auto Detect / Always Active
+    U_T_AGCR,           //USB Toggle Automatic GCR control
+    DBG_TOG,            //DEBUG Toggle On / Off
+    DBG_MTRX,           //DEBUG Toggle Matrix Prints
+    DBG_KBD,            //DEBUG Toggle Keyboard Prints
+    DBG_MOU,            //DEBUG Toggle Mouse Prints
+};
+
+#define TG_NKRO MAGIC_TOGGLE_NKRO //Toggle 6KRO / NKRO mode
+
+keymap_config_t keymap_config;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_DEL,  \
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS, KC_HOME, \
+        KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,          KC_ENT,  KC_PGUP, \
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,   KC_PGDN, \
+        KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                             KC_RALT, MO(1),   KC_LEFT, KC_DOWN, KC_RGHT  \
+    ),
+    [1] = LAYOUT(
+        KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_TRNS, KC_MUTE, \
+        L_T_BR,  L_PSD,   L_BRI,   L_PSI,   KC_TRNS, KC_TRNS, KC_TRNS, U_T_AUTO,U_T_AGCR,KC_TRNS, KC_PSCR, KC_SLCK, KC_PAUS, KC_TRNS, KC_TRNS, \
+        L_T_PTD, L_PTP,   L_BRD,   L_PTN,   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS, KC_VOLU, \
+        KC_TRNS, L_T_MD,  L_T_ONF, KC_TRNS, KC_TRNS, KC_TRNS, TG_NKRO, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_PGUP, KC_VOLD, \
+        KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                            KC_TRNS, KC_TRNS, KC_HOME, KC_PGDN, KC_END  \
+    ),
+    /*
+    [X] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, \
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, \
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS, KC_TRNS, \
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS, KC_TRNS, \
+        KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                            KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS  \
+    ),
+    */
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+};
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+};
+
+#define MODS_SHIFT  (keyboard_report->mods & MOD_BIT(KC_LSHIFT) || keyboard_report->mods & MOD_BIT(KC_RSHIFT))
+#define MODS_CTRL  (keyboard_report->mods & MOD_BIT(KC_LCTL) || keyboard_report->mods & MOD_BIT(KC_RCTRL))
+#define MODS_ALT  (keyboard_report->mods & MOD_BIT(KC_LALT) || keyboard_report->mods & MOD_BIT(KC_RALT))
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case L_BRI:
+            if (record->event.pressed) {
+                if (LED_GCR_STEP > LED_GCR_MAX - gcr_desired) gcr_desired = LED_GCR_MAX;
+                else gcr_desired += LED_GCR_STEP;
+                if (led_animation_breathing) gcr_breathe = gcr_desired;
+            }
+            return false;
+        case L_BRD:
+            if (record->event.pressed) {
+                if (LED_GCR_STEP > gcr_desired) gcr_desired = 0;
+                else gcr_desired -= LED_GCR_STEP;
+                if (led_animation_breathing) gcr_breathe = gcr_desired;
+            }
+            return false;
+        case L_PTN:
+            if (record->event.pressed) {
+                if (led_animation_id == led_setups_count - 1) led_animation_id = 0;
+                else led_animation_id++;
+            }
+            return false;
+        case L_PTP:
+            if (record->event.pressed) {
+                if (led_animation_id == 0) led_animation_id = led_setups_count - 1;
+                else led_animation_id--;
+            }
+            return false;
+        case L_PSI:
+            if (record->event.pressed) {
+                led_animation_speed += ANIMATION_SPEED_STEP;
+            }
+            return false;
+        case L_PSD:
+            if (record->event.pressed) {
+                led_animation_speed -= ANIMATION_SPEED_STEP;
+                if (led_animation_speed < 0) led_animation_speed = 0;
+            }
+            return false;
+        case L_T_MD:
+            if (record->event.pressed) {
+                led_lighting_mode++;
+                if (led_lighting_mode > LED_MODE_MAX_INDEX) led_lighting_mode = LED_MODE_NORMAL;
+            }
+            return false;
+        case L_T_ONF:
+            if (record->event.pressed) {
+                led_enabled = !led_enabled;
+                I2C3733_Control_Set(led_enabled);
+            }
+            return false;
+        case L_ON:
+            if (record->event.pressed) {
+                led_enabled = 1;
+                I2C3733_Control_Set(led_enabled);
+            }
+            return false;
+        case L_OFF:
+            if (record->event.pressed) {
+                led_enabled = 0;
+                I2C3733_Control_Set(led_enabled);
+            }
+            return false;
+        case L_T_BR:
+            if (record->event.pressed) {
+                led_animation_breathing = !led_animation_breathing;
+                if (led_animation_breathing)
+                {
+                    gcr_breathe = gcr_desired;
+                    led_animation_breathe_cur = BREATHE_MIN_STEP;
+                    breathe_dir = 1;
+                }
+            }
+            return false;
+        case L_T_PTD:
+            if (record->event.pressed) {
+                led_animation_direction = !led_animation_direction;
+            }
+            return false;
+        case U_T_AUTO:
+            if (record->event.pressed && MODS_SHIFT && MODS_CTRL) {
+                usb_extra_manual = !usb_extra_manual;
+                CDC_print("USB extra port manual mode ");
+                CDC_print(usb_extra_manual ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        case U_T_AGCR:
+            if (record->event.pressed && MODS_SHIFT && MODS_CTRL) {
+                usb_gcr_auto = !usb_gcr_auto;
+                CDC_print("USB GCR auto mode ");
+                CDC_print(usb_gcr_auto ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        case DBG_TOG:
+            if (record->event.pressed) {
+                debug_enable = !debug_enable;
+                CDC_print("Debug mode ");
+                CDC_print(debug_enable ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        case DBG_MTRX:
+            if (record->event.pressed) {
+                debug_matrix = !debug_matrix;
+                CDC_print("Debug matrix ");
+                CDC_print(debug_matrix ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        case DBG_KBD:
+            if (record->event.pressed) {
+                debug_keyboard = !debug_keyboard;
+                CDC_print("Debug keyboard ");
+                CDC_print(debug_keyboard ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        case DBG_MOU:
+            if (record->event.pressed) {
+                debug_mouse = !debug_mouse;
+                CDC_print("Debug mouse ");
+                CDC_print(debug_mouse ? "enabled" : "disabled");
+                CDC_print("\r\n");
+            }
+            return false;
+        default:
+            return true; //Process all other keycodes normally
+    }
+}
\ No newline at end of file
diff --git a/keyboards/alt67/led_programs.c b/keyboards/alt67/led_programs.c
new file mode 100644
index 0000000000..a8aab28d98
--- /dev/null
+++ b/keyboards/alt67/led_programs.c
@@ -0,0 +1,120 @@
+/*
+Copyright 2018 Massdrop Inc.
+
+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 "alt67.h"
+#include "led_matrix.h"
+
+//Teal <-> Salmon
+led_setup_t leds_teal_salmon[] = {
+    { .hs = 0,  .he = 33,  .rs = 24,  .re = 24,  .gs = 215, .ge = 215, .bs = 204, .be = 204, .ef = EF_NONE },
+    { .hs = 33, .he = 66,  .rs = 24,  .re = 255, .gs = 215, .ge = 114, .bs = 204, .be = 118, .ef = EF_NONE },
+    { .hs = 66, .he = 100, .rs = 255, .re = 255, .gs = 114, .ge = 114, .bs = 118, .be = 118, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//Yellow
+led_setup_t leds_yellow[] = {
+    { .hs = 0, .he = 100, .rs = 255, .re = 255, .gs = 255, .ge = 255, .bs = 0, .be = 0, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//Off
+led_setup_t leds_off[] = {
+    { .hs = 0, .he = 100, .rs = 0, .re = 0, .gs = 0, .ge = 0, .bs = 0, .be = 0, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//Red
+led_setup_t leds_red[] = {
+    { .hs = 0, .he = 100, .rs = 255, .re = 255, .gs = 0, .ge = 0, .bs = 0, .be = 0, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//Green
+led_setup_t leds_green[] = {
+    { .hs = 0, .he = 100, .rs = 0, .re = 0, .gs = 255, .ge = 255, .bs = 0, .be = 0, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//Blue
+led_setup_t leds_blue[] = {
+    { .hs = 0, .he = 100, .rs = 0, .re = 0, .gs = 0, .ge = 0, .bs = 255, .be = 255, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//White
+led_setup_t leds_white[] = {
+    { .hs = 0, .he = 100, .rs = 255, .re = 255, .gs = 255, .ge = 255, .bs = 255, .be = 255, .ef = EF_NONE },
+    { .end = 1 },
+};
+
+//White with moving red stripe
+led_setup_t leds_white_with_red_stripe[] = {
+    { .hs = 0, .he = 100, .rs = 255, .re = 255, .gs = 255, .ge = 255, .bs = 255, .be = 255, .ef = EF_NONE },
+    { .hs = 0, .he = 15, .rs = 0, .re = 0, .gs = 0, .ge = 255, .bs = 0, .be = 255, .ef = EF_SCR_R | EF_SUBTRACT },
+    { .hs = 15, .he = 30, .rs = 0, .re = 0, .gs = 255, .ge = 0, .bs = 255, .be = 0, .ef = EF_SCR_R | EF_SUBTRACT },
+    { .end = 1 },
+};
+
+//Black with moving red stripe
+led_setup_t leds_black_with_red_stripe[] = {
+    { .hs = 0, .he = 15, .rs = 0, .re = 255, .gs = 0, .ge = 0, .bs = 0, .be = 0, .ef = EF_SCR_R },
+    { .hs = 15, .he = 30, .rs = 255, .re = 0, .gs = 0, .ge = 0, .bs = 0, .be = 0, .ef = EF_SCR_R },
+    { .end = 1 },
+};
+
+//Rainbow no scrolling
+led_setup_t leds_rainbow_ns[] = {
+    { .hs = 0,      .he = 16.67,  .rs = 255, .re = 255, .gs = 0,   .ge = 255, .bs = 0,   .be = 0,   .ef = EF_OVER },
+    { .hs = 16.67,  .he = 33.33,  .rs = 255, .re = 0,   .gs = 255, .ge = 255, .bs = 0,   .be = 0,   .ef = EF_OVER },
+    { .hs = 33.33,  .he = 50,     .rs = 0,   .re = 0,   .gs = 255, .ge = 255, .bs = 0,   .be = 255, .ef = EF_OVER },
+    { .hs = 50,     .he = 66.67,  .rs = 0,   .re = 0,   .gs = 255, .ge = 0,   .bs = 255, .be = 255, .ef = EF_OVER },
+    { .hs = 66.67,  .he = 83.33,  .rs = 0,   .re = 255, .gs = 0,   .ge = 0,   .bs = 255, .be = 255, .ef = EF_OVER },
+    { .hs = 83.33,  .he = 100,    .rs = 255, .re = 255, .gs = 0,   .ge = 0,   .bs = 255, .be = 0,   .ef = EF_OVER },
+    { .end = 1 },
+};
+
+//Rainbow scrolling
+led_setup_t leds_rainbow_s[] = {
+    { .hs = 0,      .he = 16.67,  .rs = 255, .re = 255, .gs = 0,   .ge = 255, .bs = 0,   .be = 0,   .ef = EF_OVER | EF_SCR_R },
+    { .hs = 16.67,  .he = 33.33,  .rs = 255, .re = 0,   .gs = 255, .ge = 255, .bs = 0,   .be = 0,   .ef = EF_OVER | EF_SCR_R },
+    { .hs = 33.33,  .he = 50,     .rs = 0,   .re = 0,   .gs = 255, .ge = 255, .bs = 0,   .be = 255, .ef = EF_OVER | EF_SCR_R },
+    { .hs = 50,     .he = 66.67,  .rs = 0,   .re = 0,   .gs = 255, .ge = 0,   .bs = 255, .be = 255, .ef = EF_OVER | EF_SCR_R },
+    { .hs = 66.67,  .he = 83.33,  .rs = 0,   .re = 255, .gs = 0,   .ge = 0,   .bs = 255, .be = 255, .ef = EF_OVER | EF_SCR_R },
+    { .hs = 83.33,  .he = 100,    .rs = 255, .re = 255, .gs = 0,   .ge = 0,   .bs = 255, .be = 0,   .ef = EF_OVER | EF_SCR_R },
+    { .end = 1 },
+};
+
+//Add new LED animations here using one from above as example
+//The last entry must be { .end = 1 }
+//Add the new animation name to the list below following its format
+
+void *led_setups[] = {
+    leds_rainbow_s,
+    leds_rainbow_ns,
+    leds_teal_salmon,
+    leds_yellow,
+    leds_red,
+    leds_green,
+    leds_blue,
+    leds_white,
+    leds_white_with_red_stripe,
+    leds_black_with_red_stripe,
+    leds_off
+};
+
+const uint8_t led_setups_count = sizeof(led_setups) / sizeof(led_setups[0]);
diff --git a/keyboards/alt67/matrix.c b/keyboards/alt67/matrix.c
new file mode 100644
index 0000000000..e107b4c22c
--- /dev/null
+++ b/keyboards/alt67/matrix.c
@@ -0,0 +1,182 @@
+/*
+Copyright 2018 Massdrop Inc.
+
+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 "alt67.h"
+
+#include "d51_util.h"
+#include "debug.h"
+#include "clks.h"
+#include <string.h>
+
+matrix_row_t mlatest[MATRIX_ROWS];
+matrix_row_t mlast[MATRIX_ROWS];
+matrix_row_t mdebounced[MATRIX_ROWS];
+
+uint8_t row_ports[] = { MATRIX_ROW_PORTS };
+uint8_t row_pins[] = { MATRIX_ROW_PINS };
+uint8_t col_ports[] = { MATRIX_COL_PORTS };
+uint8_t col_pins[] = { MATRIX_COL_PINS };
+uint32_t row_masks[2]; //NOTE: If more than PA PB used in the future, adjust code to accomodate
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+    matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+    matrix_scan_user();
+}
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}
+