Keyboard: Add Prime_EXL prototype to 'handwired' (#3932)

* initial commit

* Update readme.md

* Update keymap.c

added comment for description of function to control LED as layer indicator

* corrected formatting as requested.

* format for configurator

* corrected info.json to propertly reflect layout in Configurator

* updated layouts to reflect physical keyboard

1 files changed, 43 insertions, 0 deletions

diff --git a/keyboards/handwired/prime_exl/prime_exl.c b/keyboards/handwired/prime_exl/prime_exl.c
new file mode 100644
index 000000000..d088f6ad1
--- /dev/null
+++ b/keyboards/handwired/prime_exl/prime_exl.c
@@ -0,0 +1,43 @@
+/* Copyright 2018 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.h"
+
+void matrix_init_kb(void) {
+	// put your keyboard start-up code here
+	// runs once when the firmware starts up
+
+	matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+	// put your looping keyboard code here
+	// runs every cycle (a lot)
+
+	matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+	// put your per-action keyboard code here
+	// runs for every action, just before processing by the firmware
+
+	return process_record_user(keycode, record);
+}
+
+void led_set_kb(uint8_t usb_led) {
+	// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
+
+	led_set_user(usb_led);
+}