Add nullbits nibble (#9250)

* Add NIBBLE keyboard

* Update VID for VIA compatibility

* Add QMK PR feedback

* Update matrix_init_remote_kb()

* Update with requested changes

Clean up config, makefile rules, and keymap files

* Update with changes for unified ANSI/ISO layout

* Add NO_USB_STARTUP_CHECK note in readme

* Add license info, update with PR changes

-Refactor encoder, via_extras code
-Refactor VIA specific code to live in keymap folder
-Remove non-inclusive naming in remote keyboard.c/h
-Add documentation to remote_keyboard.c
-Add compiler check for vusb_detect for non-avr micros

* Fix print formatter in encoder handler

Co-authored-by: Nick Brassel <nick@tzarc.org>

* Small PR updates

-Remove unneded matrix code from nibble.c
-Clean up include code in nibble_encoder.h

* Update Big LED headerfile

-Declare Big LED functions in header file (derp)

* Update keyboards/nullbitsco/nibble/nibble.c

-Update with drashna's suggested CAPS LED code change

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Update keyboards/nullbitsco/nibble/rules.mk

-Update with drasha's suggested makefile formatting changes

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Fix caps_lock typo

Co-authored-by: Nick Brassel <nick@tzarc.org>
Co-authored-by: Drashna Jaelre <drashna@live.com>

1 files changed, 164 insertions, 0 deletions

diff --git a/keyboards/nullbitsco/nibble/keymaps/via/keymap.c b/keyboards/nullbitsco/nibble/keymaps/via/keymap.c
new file mode 100644
index 0000000000..1e1b0c0369
--- /dev/null
+++ b/keyboards/nullbitsco/nibble/keymaps/via/keymap.c
@@ -0,0 +1,164 @@
+/* Copyright 2020 Jay Greco
+ *
+ * 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
+#include "via_extras.h"
+
+#define _BASE     0
+#define _VIA1     1
+#define _VIA2     2
+#define _VIA3     3
+
+#define KC_DISC_MUTE KC_F23
+#define KC_DISC_DEAF KC_F24
+#define NUM_CUST_KEYCODES (_NUM_CUST_KCS - SAFE_RANGE)
+#define VIA_KEYCODE_RANGE 0x5F80
+
+enum custom_keycodes {
+  PROG = SAFE_RANGE,
+  DISC_MUTE,
+  DISC_DEAF,
+  SUPER_ALT_TAB,
+  _NUM_CUST_KCS,
+};
+
+// Macro variables
+bool is_alt_tab_active = false;
+uint16_t alt_tab_timer = 0;
+bool muted = false;
+bool deafened = false;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_BASE] = LAYOUT_all(
+    KC_NUBS,   KC_GESC, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, KC_HOME,
+    KC_F13,    KC_TAB,  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_BSLS, KC_DEL,
+    KC_F14,    KC_CAPS, 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_F15,    KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,          KC_UP,   KC_PGDN,
+    KC_F16,    KC_LCTL, KC_LGUI, KC_LALT,                   KC_SPC,                  MO(_VIA1), KC_RALT, KC_RCTL, KC_LEFT,          KC_DOWN, KC_RGHT
+  ),
+
+  [_VIA1] = LAYOUT_all(
+    _______,  RESET,   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,  KC_F10,  KC_F11,  KC_F12, KC_HOME,  KC_INS,
+    RGB_TOG,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______,                   _______,                   _______, _______, _______, KC_MPRV,          KC_MPLY, KC_MNXT
+  ),
+
+  [_VIA2] = LAYOUT_all(
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______,                   _______,                   _______, _______, _______, _______,          _______, _______
+  ),
+
+  [_VIA3] = LAYOUT_all(
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______, _______,
+    _______,  _______, _______, _______,                   _______,                   _______, _______, _______, _______,          _______, _______
+  ),
+
+};
+
+void map_via_keycode(uint16_t * keycode) {
+  if (abs(*keycode - VIA_KEYCODE_RANGE) < NUM_CUST_KEYCODES) { //make into macro?
+    dprintf("VIA custom keycode found, mapping to QMK keycode.\n");
+    uint16_t new_keycode = (*keycode - VIA_KEYCODE_RANGE) + SAFE_RANGE;
+    dprintf("VIA KC: %u QMK KC: %u\n", *keycode, new_keycode);
+    *keycode = new_keycode;
+  }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  map_via_keycode(&keycode);
+  // Send keystrokes to host keyboard, if connected (see readme)
+  process_record_remote_kb(keycode, record);
+  switch(keycode) {
+    case PROG:
+      if (record->event.pressed) {
+        rgblight_disable_noeeprom();
+        bootloader_jump();
+      }
+    break;
+
+    case DISC_MUTE:
+      if (record->event.pressed) {
+        tap_code(KC_DISC_MUTE);
+        if (!rgblight_is_enabled()) break;
+        
+        if (muted) {
+          rgblight_enable_noeeprom();
+        } else {
+          rgblight_timer_disable();
+          uint8_t val = rgblight_get_val();
+          rgblight_sethsv_range(255, 255, val, 0, 1);
+        }
+        muted = !muted;
+      }
+    break;
+
+    case DISC_DEAF:
+      if (record->event.pressed) {
+        tap_code(KC_DISC_DEAF);
+        if (!rgblight_is_enabled()) break;
+
+        if (deafened) {
+          rgblight_enable_noeeprom();
+        } else {
+          rgblight_timer_disable();
+          uint8_t val = rgblight_get_val();
+          rgblight_sethsv_range(255, 255, val, 0, RGBLED_NUM-1);
+        }
+        deafened = !deafened;
+      }
+    break;
+
+    case SUPER_ALT_TAB:
+      if (record->event.pressed) {
+        if (!is_alt_tab_active) {
+          is_alt_tab_active = true;
+          register_code(KC_LALT);
+        } 
+        alt_tab_timer = timer_read();
+        register_code(KC_TAB);
+      } else {
+        unregister_code(KC_TAB);
+      }
+      break;
+
+    default:
+    break;    
+  }
+return true;
+}
+
+void matrix_init_user(void) {
+  // Initialize remote keyboard, if connected (see readme)
+  matrix_init_remote_kb();
+}
+
+void matrix_scan_user(void) {
+  // Scan and parse keystrokes from remote keyboard, if connected (see readme)
+  matrix_scan_remote_kb();
+  if (is_alt_tab_active) {
+    if (timer_elapsed(alt_tab_timer) > 1000) {
+      unregister_code(KC_LALT);
+      is_alt_tab_active = false;
+    }
+  }
+}
\ No newline at end of file