~ruther/qmk_firmware

163e9b02bfbe1618c00f4b7110d9b7f68c332b41 — Matthew Dias 4 years ago 90f95de
[Keyboard] Add barleycorn smd keyboard (#12200)

A keyboards/barleycorn_smd/barleycorn_smd.c => keyboards/barleycorn_smd/barleycorn_smd.c +16 -0
@@ 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"

A keyboards/barleycorn_smd/barleycorn_smd.h => keyboards/barleycorn_smd/barleycorn_smd.h +63 -0
@@ 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 }  \
}

A keyboards/barleycorn_smd/config.h => keyboards/barleycorn_smd/config.h +111 -0
@@ 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

A keyboards/barleycorn_smd/info.json => keyboards/barleycorn_smd/info.json +283 -0
@@ 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 }
            ]
        }
    }
}

A keyboards/barleycorn_smd/keymaps/default/keymap.c => keyboards/barleycorn_smd/keymaps/default/keymap.c +34 -0
@@ 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),
};

A keyboards/barleycorn_smd/keymaps/default/readme.md => keyboards/barleycorn_smd/keymaps/default/readme.md +11 -0
@@ 0,0 1,11 @@
# The default keymap for Barleycorn

![Layer 0](https://i.imgur.com/cU9lzz3.png)

![Layer 1](https://i.imgur.com/0G3e1K3.png)

Default layer is normal ANSI and Fn layer is used for Volume control and arrow cluster.

Alternative ANSI layouts:

![Alt Keymap](https://i.imgur.com/6uAx8jZ.png)

A keyboards/barleycorn_smd/keymaps/iso/keymap.c => keyboards/barleycorn_smd/keymaps/iso/keymap.c +34 -0
@@ 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),
};

A keyboards/barleycorn_smd/keymaps/iso/readme.md => keyboards/barleycorn_smd/keymaps/iso/readme.md +11 -0
@@ 0,0 1,11 @@
# The default keymap for ISO Barleycorn

![Layer 0](https://i.imgur.com/llZlVHt.png)

![Layer 1](https://i.imgur.com/hrYtMQk.png)

Default layer is normal ISO and Fn layer is used for Volume control and arrow cluster

Alternative ISO layouts:

![Alt Keymap](https://i.imgur.com/2cL0IGQ.png)

A keyboards/barleycorn_smd/keymaps/via/keymap.c => keyboards/barleycorn_smd/keymaps/via/keymap.c +48 -0
@@ 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),
};

A keyboards/barleycorn_smd/keymaps/via/readme.md => keyboards/barleycorn_smd/keymaps/via/readme.md +1 -0
@@ 0,0 1,1 @@
# Compile with this keymap to use VIA

A keyboards/barleycorn_smd/keymaps/via/rules.mk => keyboards/barleycorn_smd/keymaps/via/rules.mk +1 -0
@@ 0,0 1,1 @@
VIA_ENABLE = yes

A keyboards/barleycorn_smd/matrix.c => keyboards/barleycorn_smd/matrix.c +138 -0
@@ 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;
}

A keyboards/barleycorn_smd/readme.md => keyboards/barleycorn_smd/readme.md +19 -0
@@ 0,0 1,19 @@
# Barleycorn SMD

![image](https://user-images.githubusercontent.com/3302524/110901245-a5679b00-82c9-11eb-8f8f-17ed6bd97332.png)

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).

A keyboards/barleycorn_smd/rules.mk => keyboards/barleycorn_smd/rules.mk +27 -0
@@ 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