[Keyboard] Add Prime_EXL Plus to handwired (#8238)

* Add VIA support for Prime_L

* Update keyboards/primekb/prime_l/v1/config.h

* Add prime_exl_plus keyboard

* Temporary removal of prime_exl_plus

* Add Prime_EXL Plus, including VIA support

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/readme.md

* Update keyboards/handwired/prime_exl_plus/rules.mk

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keyboards/handwired/prime_exl_plus/info.json

* Update keymap.c

* correct spacing of keymaps and layout macro. move indicator logic from user space to keyboard space

* further corrections to keymaps and layout macro.

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update keyboards/handwired/prime_exl_plus/prime_exl_plus.c

* Update prime_exl_plus.c

* small edit to prime_exl_plus.c

11 files changed, 301 insertions, 0 deletions

diff --git a/keyboards/handwired/prime_exl_plus/config.h b/keyboards/handwired/prime_exl_plus/config.h
new file mode 100644
index 000000000..7e9a440d2
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/config.h
@@ -0,0 +1,52 @@
+/*
+Copyright 2020 Holten Campbell
+
+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       0x5052
+#define PRODUCT_ID      0x6579
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    PrimeKB
+#define PRODUCT         Prime_EXL Plus
+#define DESCRIPTION     Ergo with left numpad
+
+/* key matrix size */
+#define MATRIX_ROWS 10
+#define MATRIX_COLS 10
+
+/* Keyboard Matrix Assignments */
+#define MATRIX_ROW_PINS { D2, D6, B4, F1, E6, F0, F4, B5, D7, D3 }
+#define MATRIX_COL_PINS { F5, F6, F7, C7, C6, B6, B7, B3, D1, D0 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL*/
+#define DIODE_DIRECTION COL2ROW
+
+#define RGB_DI_PIN D4
+#define RGBLED_NUM 10
+#define RGBLIGHT_ANIMATIONS
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCE 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
diff --git a/keyboards/handwired/prime_exl_plus/info.json b/keyboards/handwired/prime_exl_plus/info.json
new file mode 100644
index 000000000..3fca8c829
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/info.json
@@ -0,0 +1,12 @@
+{
+  "keyboard_name": "Prime_EXL Plus",
+  "url": "https://www.primekb.com",
+  "maintainer": "holtenc",
+  "width": 21,
+  "height": 5,
+  "layouts": {
+      "LAYOUT": {
+          "layout": [{"label":"K040", "x":0, "y":0}, {"label":"K050", "x":1, "y":0}, {"label":"K041", "x":2, "y":0}, {"label":"K051", "x":3, "y":0}, {"label":"K042", "x":4, "y":0}, {"label":"K052", "x":5, "y":0}, {"label":"K043", "x":6.5, "y":0}, {"label":"K053", "x":7.5, "y":0}, {"label":"K044", "x":8.5, "y":0}, {"label":"K054", "x":9.5, "y":0}, {"label":"K045", "x":10.5, "y":0}, {"label":"K055", "x":11.5, "y":0}, {"label":"K046", "x":14, "y":0}, {"label":"K056", "x":15, "y":0}, {"label":"K047", "x":16, "y":0}, {"label":"K057", "x":17, "y":0}, {"label":"K048", "x":18, "y":0}, {"label":"K058", "x":19, "y":0, "w":2}, {"label":"K030", "x":0, "y":1}, {"label":"K060", "x":1, "y":1}, {"label":"K031", "x":2, "y":1}, {"label":"K061", "x":3, "y":1}, {"label":"K032", "x":4, "y":1}, {"label":"K062", "x":5, "y":1}, {"label":"K033", "x":6.5, "y":1}, {"label":"K063", "x":7.5, "y":1}, {"label":"K034", "x":8.5, "y":1}, {"label":"K064", "x":9.5, "y":1}, {"label":"K035", "x":10.5, "y":1}, {"label":"K065", "x":11.5, "y":1}, {"label":"K036", "x":14, "y":1}, {"label":"K066", "x":15, "y":1}, {"label":"K037", "x":16, "y":1}, {"label":"K067", "x":17, "y":1}, {"label":"K038", "x":18, "y":1}, {"label":"K068", "x":19, "y":1}, {"label":"K039", "x":20, "y":1}, {"label":"K020", "x":0, "y":2}, {"label":"K070", "x":1, "y":2}, {"label":"K021", "x":2, "y":2}, {"label":"K071", "x":3, "y":2}, {"label":"K022", "x":4, "y":2}, {"label":"K072", "x":5, "y":2}, {"label":"K023", "x":6.5, "y":2, "w":1.25}, {"label":"K073", "x":7.75, "y":2}, {"label":"K024", "x":8.75, "y":2}, {"label":"K074", "x":9.75, "y":2}, {"label":"K025", "x":10.75, "y":2}, {"label":"K075", "x":11.75, "y":2}, {"label":"K026", "x":14.25, "y":2}, {"label":"K076", "x":15.25, "y":2}, {"label":"K027", "x":16.25, "y":2}, {"label":"K077", "x":17.25, "y":2}, {"label":"K028", "x":18.25, "y":2}, {"label":"K029", "x":19.25, "y":2, "w":1.75}, {"label":"K010", "x":0, "y":3}, {"label":"K080", "x":1, "y":3}, {"label":"K011", "x":2, "y":3}, {"label":"K081", "x":3, "y":3}, {"label":"K012", "x":4, "y":3}, {"label":"K082", "x":5, "y":3}, {"label":"K013", "x":6.5, "y":3, "w":1.75}, {"label":"K083", "x":8.25, "y":3}, {"label":"K014", "x":9.25, "y":3}, {"label":"K084", "x":10.25, "y":3}, {"label":"K015", "x":11.25, "y":3}, {"label":"K085", "x":12.25, "y":3}, {"label":"K016", "x":13.75, "y":3}, {"label":"K086", "x":14.75, "y":3}, {"label":"K017", "x":15.75, "y":3}, {"label":"K087", "x":16.75, "y":3}, {"label":"K018", "x":17.75, "y":3}, {"label":"K088", "x":18.75, "y":3}, {"label":"K019", "x":19.75, "y":3, "w":1.25}, {"label":"K000", "x":0, "y":4}, {"label":"K090", "x":1, "y":4}, {"label":"K001", "x":2, "y":4}, {"label":"K091", "x":3, "y":4}, {"label":"K002", "x":4, "y":4}, {"label":"K092", "x":5, "y":4}, {"label":"K003", "x":6.5, "y":4, "w":1.25}, {"label":"K093", "x":7.75, "y":4, "w":1.25}, {"label":"K004", "x":10.25, "y":4, "w":1.25}, {"label":"K095", "x":11.5, "y":4, "w":1.75}, {"label":"K006", "x":13.75, "y":4, "w":1.75}, {"label":"K097", "x":15.5, "y":4, "w":1.25}, {"label":"K098", "x":18.5, "y":4, "w":1.25}, {"label":"K009", "x":19.75, "y":4, "w":1.25}]
+      }
+  }
+}
diff --git a/keyboards/handwired/prime_exl_plus/keymaps/default/keymap.c b/keyboards/handwired/prime_exl_plus/keymaps/default/keymap.c
new file mode 100644
index 000000000..8f9fa84f7
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/keymaps/default/keymap.c
@@ -0,0 +1,50 @@
+/* Copyright 2020 Holten Campbell
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    LAYOUT(
+        KC_ESC,  KC_LPRN, KC_RPRN, KC_PSLS, KC_PAST, KC_BSPC,     KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+        KC_F1,   KC_F2,   KC_P7,   KC_P8,   KC_P9,   KC_DEL,      KC_GRV,  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_F3,   KC_F4,   KC_P4,   KC_P5,   KC_P6,   KC_PMNS,     KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT,          KC_ENT,
+        KC_F5,   KC_F6,   KC_P1,   KC_P2,   KC_P3,   KC_PPLS,     KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    MO(3),   KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+        KC_F7,   KC_F8,   TO(1),   KC_PDOT, KC_P0,   KC_PENT,     KC_LCTL, KC_LGUI,          KC_LALT,          MO(2),   KC_SPC,           KC_MINS,                   KC_RGUI, KC_RCTL
+    ),
+
+    LAYOUT(
+        KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_F9,       KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,        KC_GRV,  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_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,        KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT,          KC_ENT,
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_V,        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    MO(3),   KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+        KC_LCTL, KC_LALT, TO(0),   KC_P,    KC_H,    KC_SPC,      KC_LCTL, KC_LGUI,          KC_LALT,          MO(2),   KC_SPC,           KC_MINS,                   KC_RGUI, KC_RCTL
+    ),
+
+    LAYOUT(
+        KC_NLCK, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_DEL,
+        RGB_TOG, RGB_MOD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_UP,   KC_TRNS, KC_SCLN, KC_BSLS, KC_TRNS,
+        RGB_VAI, RGB_VAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_CAPS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, KC_TRNS,          KC_TRNS,
+        RGB_M_R, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS,          KC_TRNS,          KC_TRNS, KC_TRNS,          KC_TRNS,                   KC_TRNS, KC_TRNS
+    ),
+
+    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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, 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/handwired/prime_exl_plus/keymaps/default/readme.md b/keyboards/handwired/prime_exl_plus/keymaps/default/readme.md
new file mode 100644
index 000000000..2df977448
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/keymaps/default/readme.md
@@ -0,0 +1 @@
+# The default keymap for prime_exl plus
\ No newline at end of file
diff --git a/keyboards/handwired/prime_exl_plus/keymaps/via/keymap.c b/keyboards/handwired/prime_exl_plus/keymaps/via/keymap.c
new file mode 100644
index 000000000..8f9fa84f7
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/keymaps/via/keymap.c
@@ -0,0 +1,50 @@
+/* Copyright 2020 Holten Campbell
+ *
+ * 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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    LAYOUT(
+        KC_ESC,  KC_LPRN, KC_RPRN, KC_PSLS, KC_PAST, KC_BSPC,     KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+        KC_F1,   KC_F2,   KC_P7,   KC_P8,   KC_P9,   KC_DEL,      KC_GRV,  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_F3,   KC_F4,   KC_P4,   KC_P5,   KC_P6,   KC_PMNS,     KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT,          KC_ENT,
+        KC_F5,   KC_F6,   KC_P1,   KC_P2,   KC_P3,   KC_PPLS,     KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    MO(3),   KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+        KC_F7,   KC_F8,   TO(1),   KC_PDOT, KC_P0,   KC_PENT,     KC_LCTL, KC_LGUI,          KC_LALT,          MO(2),   KC_SPC,           KC_MINS,                   KC_RGUI, KC_RCTL
+    ),
+
+    LAYOUT(
+        KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_F9,       KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
+        KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,        KC_GRV,  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_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,        KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_QUOT,          KC_ENT,
+        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_V,        KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    MO(3),   KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
+        KC_LCTL, KC_LALT, TO(0),   KC_P,    KC_H,    KC_SPC,      KC_LCTL, KC_LGUI,          KC_LALT,          MO(2),   KC_SPC,           KC_MINS,                   KC_RGUI, KC_RCTL
+    ),
+
+    LAYOUT(
+        KC_NLCK, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_DEL,
+        RGB_TOG, RGB_MOD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_UP,   KC_TRNS, KC_SCLN, KC_BSLS, KC_TRNS,
+        RGB_VAI, RGB_VAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_CAPS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, KC_TRNS,          KC_TRNS,
+        RGB_M_R, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,     KC_TRNS, KC_TRNS,          KC_TRNS,          KC_TRNS, KC_TRNS,          KC_TRNS,                   KC_TRNS, KC_TRNS
+    ),
+
+    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, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, 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/handwired/prime_exl_plus/keymaps/via/readme.md b/keyboards/handwired/prime_exl_plus/keymaps/via/readme.md
new file mode 100644
index 000000000..bcd7f1d8b
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/keymaps/via/readme.md
@@ -0,0 +1 @@
+# The default VIA keymap for Prime_EXL Plus
\ No newline at end of file
diff --git a/keyboards/handwired/prime_exl_plus/keymaps/via/rules.mk b/keyboards/handwired/prime_exl_plus/keymaps/via/rules.mk
new file mode 100644
index 000000000..1e5b99807
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/handwired/prime_exl_plus/prime_exl_plus.c b/keyboards/handwired/prime_exl_plus/prime_exl_plus.c
new file mode 100644
index 000000000..266a3b638
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/prime_exl_plus.c
@@ -0,0 +1,49 @@
+/* Copyright 2020 Holten Campbell
+ *
+ * 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 "prime_exl_plus.h"
+
+void matrix_init_kb(void) {
+  // set CapsLock LED to output and low
+  setPinOutput(B0);
+  writePinLow(B0);
+  // set NumLock LED to output and low
+  setPinOutput(B1);
+  writePinLow(B1);
+  // set ScrollLock LED to output and low
+  setPinOutput(B2);
+  writePinLow(B2);
+}
+
+bool led_update_kb(led_t led_state) {
+    bool res = led_update_user(led_state);
+    if(res) {
+        writePin(B1, led_state.num_lock);
+        writePin(B0, led_state.caps_lock);
+        //writePin(B2, led_state.scroll_lock);
+    }
+    return res;
+}
+
+//function for layer indicator LED
+layer_state_t layer_state_set_kb(layer_state_t state)
+{
+    if (get_highest_layer(state) == 1) {
+    writePinHigh(B2);
+	} else {
+		writePinLow(B2);
+    }
+    return layer_state_set_user(state);
+}
diff --git a/keyboards/handwired/prime_exl_plus/prime_exl_plus.h b/keyboards/handwired/prime_exl_plus/prime_exl_plus.h
new file mode 100644
index 000000000..bb1c8b174
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/prime_exl_plus.h
@@ -0,0 +1,36 @@
+/* Copyright 2020 Holten Campbell
+ *
+ * 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 "quantum.h"
+
+#define LAYOUT( \
+    K040, K050, K041, K051, K042, K052,   K043, K053, K044, K054, K045, K055,     K046, K056, K047, K057, K048, K058, \
+    K030, K060, K031, K061, K032, K062,   K033, K063, K034, K064, K035, K065,     K036, K066, K037, K067, K038, K068, K039, \
+    K020, K070, K021, K071, K022, K072,   K023, K073, K024, K074, K025, K075,     K026, K076, K027, K077, K028,       K029, \
+    K010, K080, K011, K081, K012, K082,   K013, K083, K014, K084, K015, K085,     K016, K086, K017, K087, K018, K088, K019, \
+    K000, K090, K001, K091, K002, K092,   K003, K093,       K004,       K095,     K006,       K097,             K098, K009 \
+) { \
+    { K000,  K001,  K002,  K003,  K004,  KC_NO, K006,  KC_NO, KC_NO, K009 }, \
+    { K010,  K011,  K012,  K013,  K014,  K015,  K016,  K017,  K018,  K019 }, \
+    { K020,  K021,  K022,  K023,  K024,  K025,  K026,  K027,  K028,  K029 }, \
+    { K030,  K031,  K032,  K033,  K034,  K035,  K036,  K037,  K038,  K039 }, \
+    { K040,  K041,  K042,  K043,  K044,  K045,  K046,  K047,  K048,  KC_NO }, \
+    { K050,  K051,  K052,  K053,  K054,  K055,  K056,  K057,  K058,  KC_NO }, \
+    { K060,  K061,  K062,  K063,  K064,  K065,  K066,  K067,  K068,  KC_NO }, \
+    { K070,  K071,  K072,  K073,  K074,  K075,  K076,  K077,  KC_NO, KC_NO }, \
+    { K080,  K081,  K082,  K083,  K084,  K085,  K086,  K087,  K088,  KC_NO }, \
+    { K090,  K091,  K092,  K093,  KC_NO, K095,  KC_NO, K097,  K098,  KC_NO }  \
+}
diff --git a/keyboards/handwired/prime_exl_plus/readme.md b/keyboards/handwired/prime_exl_plus/readme.md
new file mode 100644
index 000000000..e35fa1f2e
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/readme.md
@@ -0,0 +1,16 @@
+# Prime_EXL Plus
+
+![Prime_EXL Plus](https://i.imgur.com/XGj53Nb.jpg)
+
+An ergonomic 45% keyboard with a numrow and macro/numpad added to the left side.
+
+* Keyboard Maintainer: [Holtenc](https://github.com/holtenc/)
+* Hardware Supported: Prime_EXL Plus PCB, ATmega32U4
+* Hardware Availability: Prototype/personal project
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/prime_exl_plus:default
+    make handwired/prime_exl_plus:via
+
+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/handwired/prime_exl_plus/rules.mk b/keyboards/handwired/prime_exl_plus/rules.mk
new file mode 100644
index 000000000..c0493d993
--- /dev/null
+++ b/keyboards/handwired/prime_exl_plus/rules.mk
@@ -0,0 +1,33 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = atmel-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = no       # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = no        # 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 = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+MIDI_ENABLE = no            # MIDI support
+UNICODE_ENABLE = no         # Unicode
+BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
+AUDIO_ENABLE = no           # Audio output on port C6
+FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
+HD44780_ENABLE = no         # Enable support for HD44780 based LCDs