[Keymap] JJerrell - Add Userspace and ZSA Keyboard Keymaps (#13548)

users/jjerrell/jjerrell.h

@@ -0,0 +1,53 @@
+/**
+ * Copyright (C) 2021 Jerrell, Jacob <@jjerrell>
+ * 
+ * This file is part of qmk_firmware.
+ * 
+ * qmk_firmware 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 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * qmk_firmware 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 qmk_firmware.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include QMK_KEYBOARD_H
+
+/** QMK Includes **/
+#include "version.h"
+#include "eeprom.h"
+#include "muse.h"
+
+#include "process_records.h"
+#include "wrappers.h"
+
+/************************* Userspace Layers *************************
+ *    Keymaps can define additional layers by making the first case
+ * equal to `LAYER_SAFE_RANGE`           
+ ********************************************************************/
+enum userspace_layers {
+    _WORKMAN,
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+    _SPECIAL,
+    _GAME,
+    LAYER_SAFE_RANGE,
+};
+
+void matrix_scan_keymap(void);
+layer_state_t layer_state_set_keymap(layer_state_t state);
+void dip_switch_update_keymap(uint8_t index, bool active);
+bool music_mask_keymap(uint16_t keycode);
+layer_state_t default_layer_state_set_keymap(layer_state_t state);
+void startup_keymap(void);
+void shutdown_keymap(void);
+void music_on_keymap(void);