diff --git a/keyboards/barleycorn_smd/barleycorn_smd.c b/keyboards/barleycorn_smd/barleycorn_smd.c
new file mode 100644
index 0000000000..d70689d8fe
--- /dev/null
+++ b/keyboards/barleycorn_smd/barleycorn_smd.c
@@ -0,0 +1,16 @@
+/* Copyright 2021 Matthew Dias
+ *
+ * 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 "barleycorn_smd.h"
diff --git a/keyboards/barleycorn_smd/barleycorn_smd.h b/keyboards/barleycorn_smd/barleycorn_smd.h
new file mode 100644
index 0000000000..926b67b379
--- /dev/null
+++ b/keyboards/barleycorn_smd/barleycorn_smd.h
@@ -0,0 +1,63 @@
+/* Copyright 2021 Matthew Dias
+ *
+ * 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
+
+#define XXX KC_NO
+
+#include "quantum.h"
+
+#define LAYOUT_all( \
+ K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K1D, K0E, K0F, K0G, K0H, \
+ K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K2C, K1E, K1F, K1G, K1H, \
+ K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2D, K2E, K2F, K2G, K2H, \
+ K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H, \
+ K40, K41, K42, K46, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H \
+) { \
+ { K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K0E, K0F, K0G, K0H }, \
+ { K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, K1F, K1G, K1H }, \
+ { K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H }, \
+ { K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H }, \
+ { K40, K41, K42, XXX, XXX, XXX, K46, XXX, XXX, XXX, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H } \
+}
+
+#define LAYOUT_ansi( \
+ K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K1D, K0E, K0F, K0G, K0H, \
+ K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K2C, K1E, K1F, K1G, K1H, \
+ K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2D, K2E, K2F, K2G, K2H, \
+ K30, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H, \
+ K40, K41, K42, K46, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H \
+) { \
+ { K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K0E, K0F, K0G, K0H }, \
+ { K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, K1F, K1G, K1H }, \
+ { K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H }, \
+ { K30, XXX, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H }, \
+ { K40, K41, K42, XXX, XXX, XXX, K46, XXX, XXX, XXX, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H } \
+}
+
+#define LAYOUT_iso( \
+ K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K1D, K0E, K0F, K0G, K0H, \
+ K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1E, K1F, K1G, K1H, \
+ K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H, \
+ K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H, \
+ K40, K41, K42, K46, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H \
+) { \
+ { K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K0E, K0F, K0G, K0H }, \
+ { K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, K1F, K1G, K1H }, \
+ { K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, K2E, K2F, K2G, K2H }, \
+ { K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, K3E, K3F, K3G, K3H }, \
+ { K40, K41, K42, XXX, XXX, XXX, K46, XXX, XXX, XXX, K4A, K4B, K4C, K4D, K4E, K4F, K4G, K4H } \
+}
diff --git a/keyboards/barleycorn_smd/config.h b/keyboards/barleycorn_smd/config.h
new file mode 100644
index 0000000000..2ac86bf8a8
--- /dev/null
+++ b/keyboards/barleycorn_smd/config.h
@@ -0,0 +1,111 @@
+/*
+Copyright 2021 Matthew Dias
+
+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"
+
+#define VENDOR_ID 0x7033
+#define PRODUCT_ID 0x4749
+#define DEVICE_VER 0x0001
+#define MANUFACTURER P3D Store
+#define PRODUCT Barleycorn SMD
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 18
+
+/*
+ * 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)
+ *
+ */
+
+/* A Custom matrix.c is used to poll the port expander C6 shows that the pins are hardwired there */
+#define MATRIX_ROW_PINS { F5, F4, F1, F0, F6 }
+#define MATRIX_COL_PINS { D4, D6, D7, B4, B5, B6, C6, C7, D5, D5, D5, D5, D5, D5, D5, D5, D5, D5 }
+#define UNUSED_PINS
+#define PORT_EXPANDER_ADDRESS 0x20
+
+#define RGB_DI_PIN E6
+#define RGBLED_NUM 15
+#define RGBLIGHT_ANIMATIONS
+#define RGBLIGHT_LED_MAP { 0, 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 5 }
+
+#define LED_CAPS_LOCK_PIN B2
+#define LED_NUM_LOCK_PIN B3
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#define USB_MAX_POWER_CONSUMPTION 400
+
+
+/* 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
+
+/* If defined, GRAVE_ESC will always act as ESC when CTRL is held.
+ * This is userful for the Windows task manager shortcut (ctrl+shift+esc).
+ */
+// #define GRAVE_ESC_CTRL_OVERRIDE
+
+/*
+ * Force NKRO
+ *
+ * Force NKRO (nKey Rollover) to be enabled by default, regardless of the saved
+ * state in the bootmagic EEPROM settings. (Note that NKRO must be enabled in the
+ * makefile for this to work.)
+ *
+ * If forced on, NKRO can be disabled via magic key (default = LShift+RShift+N)
+ * until the next keyboard reset.
+ *
+ * NKRO may prevent your keystrokes from being detected in the BIOS, but it is
+ * fully operational during normal computer usage.
+ *
+ * For a less heavy-handed approach, enable NKRO via magic key (LShift+RShift+N)
+ * or via bootmagic (hold SPACE+N while plugging in the keyboard). Once set by
+ * bootmagic, NKRO mode will always be enabled until it is toggled again during a
+ * power-up.
+ *
+ */
+//#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/barleycorn_smd/info.json b/keyboards/barleycorn_smd/info.json
new file mode 100644
index 0000000000..c33f77a9b1
--- /dev/null
+++ b/keyboards/barleycorn_smd/info.json
@@ -0,0 +1,283 @@
+{
+ "keyboard_name": "Barleycorn SMD",
+ "maintainer": "matthewdias",
+ "width": 19.5,
+ "height": 5,
+ "layouts": {
+ "LAYOUT_all": {
+ "layout": [
+ { "label": "0,0", "x": 0, "y": 0 },
+ { "label": "0,1", "x": 1, "y": 0 },
+ { "label": "0,2", "x": 2, "y": 0 },
+ { "label": "0,3", "x": 3, "y": 0 },
+ { "label": "0,4", "x": 4, "y": 0 },
+ { "label": "0,5", "x": 5, "y": 0 },
+ { "label": "0,6", "x": 6, "y": 0 },
+ { "label": "0,7", "x": 7, "y": 0 },
+ { "label": "0,8", "x": 8, "y": 0 },
+ { "label": "0,9", "x": 9, "y": 0 },
+ { "label": "0,10", "x": 10, "y": 0 },
+ { "label": "0,11", "x": 11, "y": 0 },
+ { "label": "0,12", "x": 12, "y": 0 },
+ { "label": "0,13", "x": 13, "y": 0 },
+ { "label": "1,13", "x": 14, "y": 0 },
+ { "label": "0,14", "x": 15.5, "y": 0 },
+ { "label": "0,15", "x": 16.5, "y": 0 },
+ { "label": "0,16", "x": 17.5, "y": 0 },
+ { "label": "0,17", "x": 18.5, "y": 0 },
+
+ { "label": "1,0", "x": 0, "y": 1, "w": 1.5 },
+ { "label": "1,1", "x": 1.5, "y": 1 },
+ { "label": "1,2", "x": 2.5, "y": 1 },
+ { "label": "1,3", "x": 3.5, "y": 1 },
+ { "label": "1,4", "x": 4.5, "y": 1 },
+ { "label": "1,5", "x": 5.5, "y": 1 },
+ { "label": "1,6", "x": 6.5, "y": 1 },
+ { "label": "1,7", "x": 7.5, "y": 1 },
+ { "label": "1,8", "x": 8.5, "y": 1 },
+ { "label": "1,9", "x": 9.5, "y": 1 },
+ { "label": "1,10", "x": 10.5, "y": 1 },
+ { "label": "1,11", "x": 11.5, "y": 1 },
+ { "label": "1,12", "x": 12.5, "y": 1 },
+ { "label": "2,12", "x": 13.5, "y": 1, "w": 1.5 },
+ { "label": "1,14", "x": 15.5, "y": 1 },
+ { "label": "1,15", "x": 16.5, "y": 1 },
+ { "label": "1,16", "x": 17.5, "y": 1 },
+ { "label": "1,17", "x": 18.5, "y": 1 },
+
+ { "label": "2,0", "x": 0, "y": 2, "w": 1.75 },
+ { "label": "2,1", "x": 1.75, "y": 2 },
+ { "label": "2,2", "x": 2.75, "y": 2 },
+ { "label": "2,3", "x": 3.75, "y": 2 },
+ { "label": "2,4", "x": 4.75, "y": 2 },
+ { "label": "2,5", "x": 5.75, "y": 2 },
+ { "label": "2,6", "x": 6.75, "y": 2 },
+ { "label": "2,7", "x": 7.75, "y": 2 },
+ { "label": "2,8", "x": 8.75, "y": 2 },
+ { "label": "2,9", "x": 9.75, "y": 2 },
+ { "label": "2,10", "x": 10.75, "y": 2 },
+ { "label": "2,11", "x": 11.75, "y": 2 },
+ { "label": "2,13", "x": 12.75, "y": 2, "w": 2.25 },
+ { "label": "2,14", "x": 15.5, "y": 2 },
+ { "label": "2,15", "x": 16.5, "y": 2 },
+ { "label": "2,16", "x": 17.5, "y": 2 },
+ { "label": "2,17", "x": 18.5, "y": 2 },
+
+ { "label": "3,0", "x": 0, "y": 3, "w": 1.25 },
+ { "label": "3,1", "x": 1.25, "y": 3 },
+ { "label": "3,2", "x": 2.25, "y": 3 },
+ { "label": "3,3", "x": 3.25, "y": 3 },
+ { "label": "3,4", "x": 4.25, "y": 3 },
+ { "label": "3,5", "x": 5.25, "y": 3 },
+ { "label": "3,6", "x": 6.25, "y": 3 },
+ { "label": "3,7", "x": 7.25, "y": 3 },
+ { "label": "3,8", "x": 8.25, "y": 3 },
+ { "label": "3,9", "x": 9.25, "y": 3 },
+ { "label": "3,10", "x": 10.25, "y": 3 },
+ { "label": "3,11", "x": 11.25, "y": 3 },
+ { "label": "3,12", "x": 12.25, "y": 3, "w": 1.75 },
+ { "label": "3,13", "x": 14.25, "y": 3.25 },
+ { "label": "3,14", "x": 15.5, "y": 3 },
+ { "label": "3,15", "x": 16.5, "y": 3 },
+ { "label": "3,16", "x": 17.5, "y": 3 },
+ { "label": "3,17", "x": 18.5, "y": 3 },
+
+ { "label": "4,0", "x": 0, "y": 4, "w": 1.25 },
+ { "label": "4,1", "x": 1.25, "y": 4, "w": 1.25 },
+ { "label": "4,2", "x": 2.5, "y": 4, "w": 1.25 },
+ { "label": "4,6", "x": 3.75, "y": 4, "w": 6.25 },
+ { "label": "4,10", "x": 10, "y": 4, "w": 1.5 },
+ { "label": "4,11", "x": 11.5, "y": 4, "w": 1.5 },
+ { "label": "4,12", "x": 13.25, "y": 4.25 },
+ { "label": "4,13", "x": 14.25, "y": 4.25 },
+ { "label": "4,14", "x": 15.25, "y": 4.25 },
+ { "label": "4,15", "x": 16.5, "y": 4 },
+ { "label": "4,16", "x": 17.5, "y": 4 },
+ { "label": "4,17", "x": 18.5, "y": 4 }
+ ]
+ },
+ "LAYOUT_ansi": {
+ "layout": [
+ { "label": "0,0", "x": 0, "y": 0 },
+ { "label": "0,1", "x": 1, "y": 0 },
+ { "label": "0,2", "x": 2, "y": 0 },
+ { "label": "0,3", "x": 3, "y": 0 },
+ { "label": "0,4", "x": 4, "y": 0 },
+ { "label": "0,5", "x": 5, "y": 0 },
+ { "label": "0,6", "x": 6, "y": 0 },
+ { "label": "0,7", "x": 7, "y": 0 },
+ { "label": "0,8", "x": 8, "y": 0 },
+ { "label": "0,9", "x": 9, "y": 0 },
+ { "label": "0,10", "x": 10, "y": 0 },
+ { "label": "0,11", "x": 11, "y": 0 },
+ { "label": "0,12", "x": 12, "y": 0 },
+ { "label": "0,13", "x": 13, "y": 0 },
+ { "label": "1,13", "x": 14, "y": 0 },
+ { "label": "0,14", "x": 15.5, "y": 0 },
+ { "label": "0,15", "x": 16.5, "y": 0 },
+ { "label": "0,16", "x": 17.5, "y": 0 },
+ { "label": "0,17", "x": 18.5, "y": 0 },
+
+ { "label": "1,0", "x": 0, "y": 1, "w": 1.5 },
+ { "label": "1,1", "x": 1.5, "y": 1 },
+ { "label": "1,2", "x": 2.5, "y": 1 },
+ { "label": "1,3", "x": 3.5, "y": 1 },
+ { "label": "1,4", "x": 4.5, "y": 1 },
+ { "label": "1,5", "x": 5.5, "y": 1 },
+ { "label": "1,6", "x": 6.5, "y": 1 },
+ { "label": "1,7", "x": 7.5, "y": 1 },
+ { "label": "1,8", "x": 8.5, "y": 1 },
+ { "label": "1,9", "x": 9.5, "y": 1 },
+ { "label": "1,10", "x": 10.5, "y": 1 },
+ { "label": "1,11", "x": 11.5, "y": 1 },
+ { "label": "1,12", "x": 12.5, "y": 1 },
+ { "label": "2,12", "x": 13.5, "y": 1, "w": 1.5 },
+ { "label": "1,14", "x": 15.5, "y": 1 },
+ { "label": "1,15", "x": 16.5, "y": 1 },
+ { "label": "1,16", "x": 17.5, "y": 1 },
+ { "label": "1,17", "x": 18.5, "y": 1 },
+
+ { "label": "2,0", "x": 0, "y": 2, "w": 1.75 },
+ { "label": "2,1", "x": 1.75, "y": 2 },
+ { "label": "2,2", "x": 2.75, "y": 2 },
+ { "label": "2,3", "x": 3.75, "y": 2 },
+ { "label": "2,4", "x": 4.75, "y": 2 },
+ { "label": "2,5", "x": 5.75, "y": 2 },
+ { "label": "2,6", "x": 6.75, "y": 2 },
+ { "label": "2,7", "x": 7.75, "y": 2 },
+ { "label": "2,8", "x": 8.75, "y": 2 },
+ { "label": "2,9", "x": 9.75, "y": 2 },
+ { "label": "2,10", "x": 10.75, "y": 2 },
+ { "label": "2,11", "x": 11.75, "y": 2 },
+ { "label": "2,13", "x": 12.75, "y": 2, "w": 2.25 },
+ { "label": "2,14", "x": 15.5, "y": 2 },
+ { "label": "2,15", "x": 16.5, "y": 2 },
+ { "label": "2,16", "x": 17.5, "y": 2 },
+ { "label": "2,17", "x": 18.5, "y": 2 },
+
+ { "label": "3,0", "x": 0, "y": 3, "w": 2.25 },
+ { "label": "3,2", "x": 2.25, "y": 3 },
+ { "label": "3,3", "x": 3.25, "y": 3 },
+ { "label": "3,4", "x": 4.25, "y": 3 },
+ { "label": "3,5", "x": 5.25, "y": 3 },
+ { "label": "3,6", "x": 6.25, "y": 3 },
+ { "label": "3,7", "x": 7.25, "y": 3 },
+ { "label": "3,8", "x": 8.25, "y": 3 },
+ { "label": "3,9", "x": 9.25, "y": 3 },
+ { "label": "3,10", "x": 10.25, "y": 3 },
+ { "label": "3,11", "x": 11.25, "y": 3 },
+ { "label": "3,12", "x": 12.25, "y": 3, "w": 1.75 },
+ { "label": "3,13", "x": 14.25, "y": 3.25 },
+ { "label": "3,14", "x": 15.5, "y": 3 },
+ { "label": "3,15", "x": 16.5, "y": 3 },
+ { "label": "3,16", "x": 17.5, "y": 3 },
+ { "label": "3,17", "x": 18.5, "y": 3 },
+
+ { "label": "4,0", "x": 0, "y": 4, "w": 1.25 },
+ { "label": "4,1", "x": 1.25, "y": 4, "w": 1.25 },
+ { "label": "4,2", "x": 2.5, "y": 4, "w": 1.25 },
+ { "label": "4,6", "x": 3.75, "y": 4, "w": 6.25 },
+ { "label": "4,10", "x": 10, "y": 4, "w": 1.5 },
+ { "label": "4,11", "x": 11.5, "y": 4, "w": 1.5 },
+ { "label": "4,12", "x": 13.25, "y": 4.25 },
+ { "label": "4,13", "x": 14.25, "y": 4.25 },
+ { "label": "4,14", "x": 15.25, "y": 4.25 },
+ { "label": "4,15", "x": 16.5, "y": 4 },
+ { "label": "4,16", "x": 17.5, "y": 4 },
+ { "label": "4,17", "x": 18.5, "y": 4 }
+ ]
+ },
+ "LAYOUT_iso": {
+ "layout": [
+ { "label": "0,0", "x": 0, "y": 0 },
+ { "label": "0,1", "x": 1, "y": 0 },
+ { "label": "0,2", "x": 2, "y": 0 },
+ { "label": "0,3", "x": 3, "y": 0 },
+ { "label": "0,4", "x": 4, "y": 0 },
+ { "label": "0,5", "x": 5, "y": 0 },
+ { "label": "0,6", "x": 6, "y": 0 },
+ { "label": "0,7", "x": 7, "y": 0 },
+ { "label": "0,8", "x": 8, "y": 0 },
+ { "label": "0,9", "x": 9, "y": 0 },
+ { "label": "0,10", "x": 10, "y": 0 },
+ { "label": "0,11", "x": 11, "y": 0 },
+ { "label": "0,12", "x": 12, "y": 0 },
+ { "label": "0,13", "x": 13, "y": 0 },
+ { "label": "1,13", "x": 14, "y": 0 },
+ { "label": "0,14", "x": 15.5, "y": 0 },
+ { "label": "0,15", "x": 16.5, "y": 0 },
+ { "label": "0,16", "x": 17.5, "y": 0 },
+ { "label": "0,17", "x": 18.5, "y": 0 },
+
+ { "label": "1,0", "x": 0, "y": 1, "w": 1.5 },
+ { "label": "1,1", "x": 1.5, "y": 1 },
+ { "label": "1,2", "x": 2.5, "y": 1 },
+ { "label": "1,3", "x": 3.5, "y": 1 },
+ { "label": "1,4", "x": 4.5, "y": 1 },
+ { "label": "1,5", "x": 5.5, "y": 1 },
+ { "label": "1,6", "x": 6.5, "y": 1 },
+ { "label": "1,7", "x": 7.5, "y": 1 },
+ { "label": "1,8", "x": 8.5, "y": 1 },
+ { "label": "1,9", "x": 9.5, "y": 1 },
+ { "label": "1,10", "x": 10.5, "y": 1 },
+ { "label": "1,11", "x": 11.5, "y": 1 },
+ { "label": "1,12", "x": 12.5, "y": 1 },
+ { "label": "1,14", "x": 15.5, "y": 1 },
+ { "label": "1,15", "x": 16.5, "y": 1 },
+ { "label": "1,16", "x": 17.5, "y": 1 },
+ { "label": "1,17", "x": 18.5, "y": 1 },
+
+ { "label": "2,0", "x": 0, "y": 2, "w": 1.75 },
+ { "label": "2,1", "x": 1.75, "y": 2 },
+ { "label": "2,2", "x": 2.75, "y": 2 },
+ { "label": "2,3", "x": 3.75, "y": 2 },
+ { "label": "2,4", "x": 4.75, "y": 2 },
+ { "label": "2,5", "x": 5.75, "y": 2 },
+ { "label": "2,6", "x": 6.75, "y": 2 },
+ { "label": "2,7", "x": 7.75, "y": 2 },
+ { "label": "2,8", "x": 8.75, "y": 2 },
+ { "label": "2,9", "x": 9.75, "y": 2 },
+ { "label": "2,10", "x": 10.75, "y": 2 },
+ { "label": "2,11", "x": 11.75, "y": 2 },
+ { "label": "2,12", "x": 12.75, "y": 2 },
+ { "label": "2,13", "x": 13.75, "y": 1, "w": 1.25, "h": 2 },
+ { "label": "2,14", "x": 15.5, "y": 2 },
+ { "label": "2,15", "x": 16.5, "y": 2 },
+ { "label": "2,16", "x": 17.5, "y": 2 },
+ { "label": "2,17", "x": 18.5, "y": 2 },
+
+ { "label": "3,0", "x": 0, "y": 3, "w": 1.25 },
+ { "label": "3,1", "x": 1.25, "y": 3 },
+ { "label": "3,2", "x": 2.25, "y": 3 },
+ { "label": "3,3", "x": 3.25, "y": 3 },
+ { "label": "3,4", "x": 4.25, "y": 3 },
+ { "label": "3,5", "x": 5.25, "y": 3 },
+ { "label": "3,6", "x": 6.25, "y": 3 },
+ { "label": "3,7", "x": 7.25, "y": 3 },
+ { "label": "3,8", "x": 8.25, "y": 3 },
+ { "label": "3,9", "x": 9.25, "y": 3 },
+ { "label": "3,10", "x": 10.25, "y": 3 },
+ { "label": "3,11", "x": 11.25, "y": 3 },
+ { "label": "3,12", "x": 12.25, "y": 3, "w": 1.75 },
+ { "label": "3,13", "x": 14.25, "y": 3.25 },
+ { "label": "3,14", "x": 15.5, "y": 3 },
+ { "label": "3,15", "x": 16.5, "y": 3 },
+ { "label": "3,16", "x": 17.5, "y": 3 },
+ { "label": "3,17", "x": 18.5, "y": 3 },
+
+ { "label": "4,0", "x": 0, "y": 4, "w": 1.25 },
+ { "label": "4,1", "x": 1.25, "y": 4, "w": 1.25 },
+ { "label": "4,2", "x": 2.5, "y": 4, "w": 1.25 },
+ { "label": "4,6", "x": 3.75, "y": 4, "w": 6.25 },
+ { "label": "4,10", "x": 10, "y": 4, "w": 1.5 },
+ { "label": "4,11", "x": 11.5, "y": 4, "w": 1.5 },
+ { "label": "4,12", "x": 13.25, "y": 4.25 },
+ { "label": "4,13", "x": 14.25, "y": 4.25 },
+ { "label": "4,14", "x": 15.25, "y": 4.25 },
+ { "label": "4,15", "x": 16.5, "y": 4 },
+ { "label": "4,16", "x": 17.5, "y": 4 },
+ { "label": "4,17", "x": 18.5, "y": 4 }
+ ]
+ }
+ }
+}
diff --git a/keyboards/barleycorn_smd/keymaps/default/keymap.c b/keyboards/barleycorn_smd/keymaps/default/keymap.c
new file mode 100644
index 0000000000..8bfc60ad4b
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/default/keymap.c
@@ -0,0 +1,34 @@
+/* Copyright 2021 Matthew Dias
+ *
+ * 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 QMK_KEYBOARD_H
+
+//This is the ANSI version of the PCB
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT_ansi( /* Base */
+ KC_GESC, 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_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ 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_P7, KC_P8, KC_P9, KC_PEQL,
+ 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_P4, KC_P5, KC_P6, KC_PPLS,
+ 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_P1, KC_P2, KC_P3, KC_BSPC,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT),
+
+[1] = LAYOUT_ansi( /* FN */
+ KC_GRV, 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_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, 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_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+};
diff --git a/keyboards/barleycorn_smd/keymaps/default/readme.md b/keyboards/barleycorn_smd/keymaps/default/readme.md
new file mode 100644
index 0000000000..04903f8cc9
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/default/readme.md
@@ -0,0 +1,11 @@
+# The default keymap for Barleycorn
+
+
+
+
+
+Default layer is normal ANSI and Fn layer is used for Volume control and arrow cluster.
+
+Alternative ANSI layouts:
+
+
diff --git a/keyboards/barleycorn_smd/keymaps/iso/keymap.c b/keyboards/barleycorn_smd/keymaps/iso/keymap.c
new file mode 100644
index 0000000000..0f739c8831
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/iso/keymap.c
@@ -0,0 +1,34 @@
+/* Copyright 2021 Matthew Dias
+ *
+ * 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 QMK_KEYBOARD_H
+
+//This is the ISO version of the PCB
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT_iso( /* Base */
+ KC_GESC, 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_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ 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_P7, KC_P8, KC_P9, KC_PEQL,
+ 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_NUHS, KC_ENT, KC_P4, KC_P5, KC_P6, KC_PPLS,
+ KC_LSFT, KC_NUBS, 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_P1, KC_P2, KC_P3, KC_BSPC,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT),
+
+[1] = LAYOUT_iso( /* FN */
+ KC_GRV, 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_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, 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_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+};
diff --git a/keyboards/barleycorn_smd/keymaps/iso/readme.md b/keyboards/barleycorn_smd/keymaps/iso/readme.md
new file mode 100644
index 0000000000..492abfcecc
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/iso/readme.md
@@ -0,0 +1,11 @@
+# The default keymap for ISO Barleycorn
+
+
+
+
+
+Default layer is normal ISO and Fn layer is used for Volume control and arrow cluster
+
+Alternative ISO layouts:
+
+
diff --git a/keyboards/barleycorn_smd/keymaps/via/keymap.c b/keyboards/barleycorn_smd/keymaps/via/keymap.c
new file mode 100644
index 0000000000..4cc2f1a73f
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/via/keymap.c
@@ -0,0 +1,48 @@
+/* Copyright 2021 Matthew Dias
+ *
+ * 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 QMK_KEYBOARD_H
+
+// This keymaps is used for VIA, it reflects the default keymap.
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = LAYOUT_all( /* Base */
+ KC_GESC, 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_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ 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_P7, KC_P8, KC_P9, KC_PEQL,
+ 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_P4, KC_P5, KC_P6, KC_PPLS,
+ KC_LSFT, KC_NUBS, 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_P1, KC_P2, KC_P3, KC_BSPC,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, MO(1), KC_LEFT, KC_DOWN, KC_RGHT, KC_P0, KC_PDOT, KC_PENT),
+
+[1] = LAYOUT_all( /* FN */
+ KC_GRV, 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_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+ KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, 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_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS),
+
+[2] = LAYOUT_all( /* Empty for dynamic keymaps */
+ 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, 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),
+
+[3] = LAYOUT_all( /* Empty for dynamic keymaps */
+ 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, 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),
+};
diff --git a/keyboards/barleycorn_smd/keymaps/via/readme.md b/keyboards/barleycorn_smd/keymaps/via/readme.md
new file mode 100644
index 0000000000..b82bc8e79f
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/via/readme.md
@@ -0,0 +1 @@
+# Compile with this keymap to use VIA
diff --git a/keyboards/barleycorn_smd/keymaps/via/rules.mk b/keyboards/barleycorn_smd/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/barleycorn_smd/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/barleycorn_smd/matrix.c b/keyboards/barleycorn_smd/matrix.c
new file mode 100644
index 0000000000..b717452f3d
--- /dev/null
+++ b/keyboards/barleycorn_smd/matrix.c
@@ -0,0 +1,138 @@
+/*
+Copyright 2021 Matthew Dias
+
+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 <stdint.h>
+#include <stdbool.h>
+#include "wait.h"
+#include "quantum.h"
+#include "i2c_master.h"
+
+static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+
+static void unselect_rows(void) {
+ for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ setPinInputHigh(row_pins[x]);
+ }
+}
+
+static void select_row(uint8_t row) {
+ setPinOutput(row_pins[row]);
+ writePinLow(row_pins[row]);
+}
+
+static void unselect_row(uint8_t row) {
+ setPinInputHigh(row_pins[row]);
+}
+
+static void init_pins(void) {
+ unselect_rows();
+ // Set I/O
+ uint8_t send_data[2] = { 0xFF, 0x03};
+ i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x00, &send_data[0], 2, 20);
+ // Set Pull-up
+ i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x0C, &send_data[0], 2, 20);
+
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ if ( x < 8 ) {
+ setPinInputHigh(col_pins[x]);
+ }
+ }
+}
+
+void matrix_init_custom(void) {
+ // TODO: initialize hardware here
+ // Initialize I2C
+ i2c_init();
+
+ // initialize key pins
+ init_pins();
+ wait_ms(50);
+}
+
+static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ // Store last value of row prior to reading
+ matrix_row_t last_row_value = current_matrix[current_row];
+
+ // Clear data in matrix row
+ current_matrix[current_row] = 0;
+
+ // Select row and wait for row selecton to stabilize
+ select_row(current_row);
+ matrix_io_delay();
+
+ uint8_t port_expander_col_buffer[2];
+ i2c_readReg((PORT_EXPANDER_ADDRESS << 1), 0x12, &port_expander_col_buffer[0], 2, 20);
+
+ // For each col...
+ for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+ uint8_t pin_state;
+ // Select the col pin to read (active low)
+ switch (col_index) {
+ case 8 :
+ pin_state = port_expander_col_buffer[0] & (1 << 0);
+ break;
+ case 9 :
+ pin_state = port_expander_col_buffer[0] & (1 << 1);
+ break;
+ case 10 :
+ pin_state = port_expander_col_buffer[0] & (1 << 2);
+ break;
+ case 11 :
+ pin_state = port_expander_col_buffer[0] & (1 << 3);
+ break;
+ case 12 :
+ pin_state = port_expander_col_buffer[0] & (1 << 4);
+ break;
+ case 13 :
+ pin_state = port_expander_col_buffer[0] & (1 << 5);
+ break;
+ case 14 :
+ pin_state = port_expander_col_buffer[0] & (1 << 6);
+ break;
+ case 15 :
+ pin_state = port_expander_col_buffer[0] & (1 << 7);
+ break;
+ case 16 :
+ pin_state = port_expander_col_buffer[1] & (1 << 0);
+ break;
+ case 17 :
+ pin_state = port_expander_col_buffer[1] & (1 << 1);
+ break;
+ default :
+ pin_state = readPin(col_pins[col_index]);
+ }
+
+ // Populate the matrix row with the state of the col pin
+ current_matrix[current_row] |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
+ }
+
+ // Unselect row
+ unselect_row(current_row);
+
+ return (last_row_value != current_matrix[current_row]);
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+ bool matrix_has_changed = false;
+
+ // Set row, read cols
+ for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+ matrix_has_changed |= read_cols_on_row(current_matrix, current_row);
+ }
+
+ return matrix_has_changed;
+}
diff --git a/keyboards/barleycorn_smd/readme.md b/keyboards/barleycorn_smd/readme.md
new file mode 100644
index 0000000000..897e1270fe
--- /dev/null
+++ b/keyboards/barleycorn_smd/readme.md
@@ -0,0 +1,19 @@
+# Barleycorn SMD
+
+
+
+An f-row less compact 1800 keyboard with SMD components. Based on Barleycorn by Yiancar.
+
+- Keyboard Maintainer: matthewdias
+- Hardware Supported: Barleycorn SMD
+- Hardware Availability: https://p3dstore.com
+
+Make example for this keyboard (after setting up your build environment):
+
+ make barleycorn_smd:default
+
+Flashing example for this keyboard:
+
+ make barleycorn_smd:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
diff --git a/keyboards/barleycorn_smd/rules.mk b/keyboards/barleycorn_smd/rules.mk
new file mode 100644
index 0000000000..fba31123d0
--- /dev/null
+++ b/keyboards/barleycorn_smd/rules.mk
@@ -0,0 +1,27 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = atmel-dfu
+
+# Build Options
+# change yes to no to disable
+#
+BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = no # Console for debug
+COMMAND_ENABLE = no # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = no # USB Nkey Rollover
+BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no # Enable Bluetooth
+AUDIO_ENABLE = no # Audio output
+
+CUSTOM_MATRIX = lite
+
+SRC += matrix.c
+QUANTUM_LIB_SRC += i2c_master.c