[Keyboard] Initial commit for Prime_E w/ VIA config support (#5285)

* Initial Prime_E commit

* Via support for Prime_EXL

* Backlight testing

* update libs

* Clean up and addition of VIA compatibility.

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/primekb/prime_e/keymaps/default/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/primekb/prime_e/keymaps/default/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/primekb/prime_e/keymaps/default/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/handwired/prime_exl/keymaps/via/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* Update keyboards/primekb/prime_e/keymaps/default/keymap.c

Co-Authored-By: holtenc <holtenc@gmail.com>

* removed IS_COMMAND from config.h. updated GPIO commands

* clean up libs

keyboards/primekb/prime_e/config.h

@@ -0,0 +1,72 @@
+/*
+Copyright 2019 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      0x0051
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    PrimeKB
+#define PRODUCT         Prime_E
+#define DESCRIPTION     Ergo_45
+
+/* key matrix size */
+#define MATRIX_ROWS 4
+#define MATRIX_COLS 13
+
+/* Keyboard Matrix Assignments */
+#define MATRIX_ROW_PINS { E6, C7, B5, B4 }
+#define MATRIX_COL_PINS { F0, F1, F4, F5, F6, F7, D6, D4, D5, D3, D2, D1, D0 }
+#define UNUSED_PINS
+
+/* COL2ROW, ROW2COL, or CUSTOM_MATRIX */
+#define DIODE_DIRECTION COL2ROW
+
+#define BACKLIGHT_PIN B7
+#define BACKLIGHT_LEVELS 5
+
+
+/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
+#define DEBOUNCING_DELAY 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
+
+// EEPROM usage
+
+// TODO: refactor with new user EEPROM code (coming soon)
+#define EEPROM_MAGIC 0x451F
+#define EEPROM_MAGIC_ADDR 32
+// Bump this every time we change what we store
+// This will automatically reset the EEPROM with defaults
+// and avoid loading invalid data from the EEPROM
+#define EEPROM_VERSION 0x08
+#define EEPROM_VERSION_ADDR 34
+
+// Dynamic keymap starts after EEPROM version
+#define DYNAMIC_KEYMAP_EEPROM_ADDR 35
+// Dynamic macro starts after dynamic keymaps (35+(4*13*4*2)) = (35+416)
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR 451
+#define DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE 573    // 1024-DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
+#define DYNAMIC_KEYMAP_MACRO_COUNT 16