[Keymap] plaid keymap with custm LED animation (#10701)

keyboards/dm9records/plaid/keymaps/gipsy-king/keymap.c

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+/* Copyright 2020 Benjamin Große <ste3ls@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
+
+
+enum plaid_layers {
+  _QWERTY,
+  _XMONAD,
+  _RAISE,
+  _LOWER,
+};
+
+enum plaid_keycodes {
+  QWERTY = SAFE_RANGE
+};
+
+#define XMONAD LM(_XMONAD, MOD_LGUI)
+#define SPC_LWR LT(_LOWER, KC_SPACE)
+#define ENT_RSE LT(_RAISE, KC_ENT)
+#define LOWER LT(_LOWER, KC_BSPC)
+
+#define LS_ESC LSFT_T(KC_ESC)
+#define RS_QUOT RSFT_T(KC_QUOT)
+
+#define LCT_MINS LCTL_T(KC_MINS)
+#define RCT_EQL RCTL_T(KC_EQL)
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  |Bckspc|
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  '   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |   -  |   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |  =   |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl | Alt  | GUI  |XMONAD|LShift|    Space    |Ent/RA|RShift|LOWER | RAlt |RCtrl |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = LAYOUT_plaid_grid( // Base QWERTY
+    KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+    LS_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, RS_QUOT,
+    LCT_MINS,KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, RCT_EQL,
+    KC_LCTL, KC_LALT, KC_LGUI, XMONAD,  KC_LSPO, KC_SPACE,_______, ENT_RSE, KC_RSPC, LOWER,   KC_RALT, KC_RCTL
+),
+
+[_XMONAD] = LAYOUT_plaid_grid( // Xmonad with MOD4
+    KC_Q,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_P,    _______,
+    KC_LSFT, _______, _______, _______, _______, _______, KC_H,    KC_J,    KC_K,    KC_L,    _______, _______,
+    KC_LSFT, _______, _______, KC_C,    _______, KC_B,    _______, _______, _______, _______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, KC_ENT,  _______, _______, _______, _______
+),
+
+/* Raised
+ * ,-----------------------------------------------------------------------------------.
+ * |   ~  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |  \   |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |   ~  |   {  | PgUp | PgDn |  End | Home | Left | Down |  Up  | Right|  }   |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |   [  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  |  ]   |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |             |      |      |VolDn |VolUp |Mute  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = LAYOUT_plaid_grid( // Numbers, arrows, symbols
+    KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSLS,
+    KC_TILD, KC_LCBR, KC_PGUP, KC_PGDN, KC_END,  KC_HOME, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, KC_RCBR, KC_PIPE,
+    KC_LBRC, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_RBRC,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_VOLD, KC_VOLU, KC_MUTE
+),
+
+[_LOWER] = LAYOUT_plaid_grid( // F, media keys, reset
+    KC_F12,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,
+    _______, _______, MU_MOD,  AU_ON,   AU_OFF,  _______, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, _______, RESET,
+    _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  TERM_ON, TERM_OFF,_______, _______, _______,
+    _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+)
+};
+
+#define BLINKEN_RANDOM_STARTLE false
+static uint16_t blinken_timer = 0;
+static uint16_t next_timeout = 1000;
+enum blinken_modes {
+  BLINK_HOLD,
+  BLINK_STARTLED,
+  BLINK_STARTLED_LAYER
+};
+static uint16_t blinken_mode = BLINK_HOLD;
+static uint16_t blinken_timer_startled = 0;
+static uint16_t blinken_startled_state = 0;
+
+void matrix_init_user(void) {
+  // https://github.com/hsgw/plaid/issues/15#issuecomment-534677102
+  eeconfig_init();
+}
+
+void keyboard_post_init_user(void) {
+  writePinHigh(LED_RED);
+  writePinHigh(LED_GREEN);
+  blinken_timer = timer_read();
+}
+
+void matrix_scan_user(void) {
+  if (blinken_mode != BLINK_STARTLED_LAYER && timer_elapsed(blinken_timer) > next_timeout) {
+    blinken_timer = timer_read();
+    if (BLINKEN_RANDOM_STARTLE && rand() % 5 == 0) {
+      blinken_mode = BLINK_STARTLED;
+      blinken_timer_startled = timer_read();
+      blinken_startled_state = 0;
+    } else {
+      blinken_mode = BLINK_HOLD;
+
+      if(rand() % 2 == 0) {
+        next_timeout = 1000;
+      } else if(rand() % 2 == 0) {
+        next_timeout = 500;
+      } else {
+        next_timeout = 300;
+      }
+
+      if(rand() % 2 == 0) {
+        writePinLow(LED_RED);
+      } else {
+        writePinHigh(LED_RED);
+      }
+      if(rand() % 2 == 0) {
+        writePinLow(LED_GREEN);
+      } else {
+        writePinHigh(LED_GREEN);
+      }
+    }
+  } else if ((blinken_mode == BLINK_STARTLED || blinken_mode == BLINK_STARTLED_LAYER)
+      && timer_elapsed(blinken_timer_startled) > 50) {
+      blinken_timer_startled = timer_read();
+      switch (blinken_startled_state) {
+        case 0:
+          writePinLow(LED_GREEN);
+          blinken_startled_state += 1;
+          break;
+        case 1:
+          writePinHigh(LED_RED);
+          blinken_startled_state += 1;
+          break;
+        case 2:
+          writePinHigh(LED_GREEN);
+          blinken_startled_state += 1;
+          break;
+        case 3:
+          writePinLow(LED_RED);
+          blinken_startled_state = 0;
+          break;
+      }
+  }
+}
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+  switch (get_highest_layer(state)) {
+  case _RAISE:
+      blinken_mode = BLINK_STARTLED_LAYER;
+      break;
+  case _XMONAD:
+      blinken_mode = BLINK_STARTLED_LAYER;
+      break;
+  case _LOWER:
+      blinken_mode = BLINK_STARTLED_LAYER;
+      break;
+  default:
+      blinken_mode = BLINK_HOLD;
+      break;
+  }
+  return state;
+}

keyboards/dm9records/plaid/keymaps/gipsy-king/readme.md

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+# Gipsy keymap for plaid
+
+This layout is based on my corne layout:
+* QWERTY with Tab, Backspace on top, dash and equals on the bottom.
+* RAISE has numbers on top, arrows on hjkl, end/home on F/G, symbols on the
+  bottom and around.
+* XMONAD has xmonad wm key bindings, should be used with Layer modifier LGUI
+* LOWER has F keys and shouldn't be used much.
+* Thumbs are: XMONAD, Left SC shift, Space, Enter/Raise, Right SC shift
+
+Does not have so many modtaps, basically just on enter.
+
+The LEDs of the plaid keep blinking in a soothing dance, reminiscent of some
+old machine.
+
+When any layer is active, the LEDs are "startled".
+