[Keyboard] Kastenwagen 1840 and Kastenwagen 48 (#13565)

* cleaning up

* deleting to undelete

* Stub out defaults

* Jabberwocky firmware WIP

* Stubbing out keymap spacing

* Default keymap and layout updates

* start stubbing out JSON for configurator

* more WIP

* Update jabberwocky.h

* Add Readme

* Apply suggestions from code review

* Fix layout capitalization

* Updates to personal and default keymaps

* Add instructions for jumping the bootloader

* Update keyboards/nopunin10did/jabberwocky/rules.mk

* Add easier ctrl-alt-del to my keymap

* Start stubbing out KW firmware

* More firmware and keymap stuff

* Fix compile error

* Filling out other layers in default keymap

* Update layout JSON and finish default layouts

* Add rotary and LED code

* Add VIA support (first draft)

* Move VIA compatibility to VIA-specific branch

* Fix readme formatting

* Fix state count issue in LED code

* Fix an erroneous change to a Jabberwocky file

* Default LEDs to on.

* Apply suggestions from code review

* Delete kastenwagen.json

* Update keyboards/nopunin10did/kastenwagen/config.h

* Apply suggestions from code review

* Apply suggestions from noroadsleft code review

* Update image in the readme

* Split 1840 & 48 into two boards (part 1)

* Splitting into two keyboards (part 2)

1 files changed, 93 insertions, 0 deletions

diff --git a/keyboards/nopunin10did/kastenwagen48/keymaps/default/keymap.c b/keyboards/nopunin10did/kastenwagen48/keymaps/default/keymap.c
new file mode 100644
index 0000000000..ca6b66d59c
--- /dev/null
+++ b/keyboards/nopunin10did/kastenwagen48/keymaps/default/keymap.c
@@ -0,0 +1,93 @@
+/* Copyright 2022 W. Alex Ronke, a.k.a. NoPunIn10Did (w.alex.ronke@gmail.com)
+ *
+ * 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
+
+#define L2_SPC      LT(2,KC_SPC)
+#define L3_SPC      LT(3,KC_SPC)
+#define RWINALT     RALT_T(KC_RGUI)
+#define ISO_LT      KC_NUBS
+#define ISO_GT      LSFT(KC_NUBS)
+
+bool is_alt_tab_active = false;
+uint16_t alt_tab_timer = 0;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+[0] = LAYOUT_48(
+
+    KC_ESC ,KC_Q   ,KC_W   ,KC_E   ,KC_R   ,KC_T   ,KC_Y   ,KC_U   ,KC_I   ,KC_O   ,KC_P   ,KC_LBRC,KC_BSPC      , KC_DEL ,
+    KC_TAB   ,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_PGUP,
+    KC_LSPO      ,KC_Z   ,KC_X   ,KC_C   ,KC_V   ,KC_B   ,KC_N   ,KC_M   ,KC_COMM,KC_DOT ,KC_SLSH,KC_RSPC ,KC_UP , KC_PGDN,
+    KC_LCTL  ,KC_LALT  ,MO(2)  ,L2_SPC               ,L3_SPC           ,MO(3)  ,RWINALT  ,MO(1)   ,KC_LEFT,KC_DOWN,KC_RGHT 
+    ),
+[1] = LAYOUT_48(
+    RESET  ,KC_F1  ,KC_F2  ,KC_F3  ,KC_F4  ,KC_F5  ,KC_F6  ,KC_F7  ,KC_F8  ,KC_F9  ,KC_F10 ,KC_RBRC,KC_DEL       , KC_INS ,
+    KC_CAPS  ,KC_F11 ,KC_F12 ,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX    , KC_HOME,
+    _______      ,XXXXXXX,XXXXXXX,KC_PSCR,KC_SLCK,KC_PAUS,KC_INS ,KC_APP ,KC_LGUI,KC_RGUI,XXXXXXX,_______ ,KC_PGUP,KC_END ,
+    KC_RCTL  ,_______  ,_______,XXXXXXX              ,XXXXXXX          ,_______,_______  ,_______ ,KC_HOME,KC_PGDN,KC_END  
+    ),
+[2] = LAYOUT_48(
+    KC_GRV ,KC_1   ,KC_2   ,KC_3   ,KC_4   ,KC_5   ,KC_6   ,KC_7   ,KC_8   ,KC_9   ,KC_0   ,KC_MINS,KC_EQL       , XXXXXXX,
+    KC_TILD  ,KC_EXLM,KC_AT  ,KC_HASH,KC_DLR ,KC_PERC,KC_CIRC,KC_AMPR,KC_ASTR,KC_UNDS,KC_LBRC,KC_RBRC,KC_BSLS    , XXXXXXX,
+    _______      ,ISO_LT ,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,_______ ,XXXXXXX,XXXXXXX,
+    _______  ,_______  ,_______,XXXXXXX              ,XXXXXXX          ,_______,_______  ,_______ ,XXXXXXX,XXXXXXX,XXXXXXX 
+    ),
+[3] = LAYOUT_48(
+    KC_TILD,KC_EXLM,KC_AT  ,KC_HASH,KC_DLR ,KC_PERC,KC_CIRC,KC_AMPR,KC_ASTR,KC_LPRN,KC_RPRN,KC_UNDS,KC_PLUS      , XXXXXXX,
+    _______  ,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,KC_LCBR,KC_RCBR,KC_PIPE    , XXXXXXX,
+    _______      ,ISO_GT ,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,XXXXXXX,_______ ,XXXXXXX,XXXXXXX,
+    _______  ,_______  ,_______,XXXXXXX              ,XXXXXXX          ,_______,_______  ,_______ ,XXXXXXX,XXXXXXX,XXXXXXX 
+    )
+};
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    
+    if (index == 0) {
+        if (clockwise) {
+            tap_code(KC_VOLU);
+        }
+        else {
+            tap_code(KC_VOLD);
+        }
+    }
+    else if (index == 1) {
+        if (clockwise) {
+            if (!is_alt_tab_active) {
+                is_alt_tab_active = true;
+                register_code(KC_LALT);
+            }
+            alt_tab_timer = timer_read();
+            tap_code16(KC_TAB);
+        }
+        else {
+            alt_tab_timer = timer_read();
+            tap_code16(S(KC_TAB));
+        }
+    }
+    
+    return false;
+}
+
+void matrix_scan_user(void) {
+    
+    if (is_alt_tab_active) {
+        if (timer_elapsed(alt_tab_timer) > 1250) {
+            unregister_code(KC_LALT);
+            is_alt_tab_active = false;
+        }
+    }
+}