[Keymap] superfell's custom keymap for the 0xc pad (qmk#19196)

keyboards/s_ol/0xc_pad/keymaps/superfell/keymap.c

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+/* Copyright 2022 Simon Fell
+ *
+ * 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 custom_layers {
+    _NUMPAD,
+    _CONTROL,
+    _ADJUST,
+};
+
+#define RGBLIGHT_TIMEOUT 30000 // 30 seconds
+
+// clang-format off
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_NUMPAD] = LAYOUT(
+           TO(_CONTROL), KC_DOT,
+             KC_7 , KC_8, KC_9,
+           KC_4, KC_5, KC_6, KC_0,
+            KC_1  , KC_2 , KC_3
+    ),
+    [_CONTROL] = LAYOUT(
+                   TO(_ADJUST), _______,
+              LGUI(KC_X), LGUI(KC_C), LGUI(KC_V),
+        LGUI(KC_Q), LGUI(KC_W), LGUI(KC_N), LGUI(KC_S),
+            KC_VOLD  , KC_MUTE , KC_VOLU
+    ),
+    [_ADJUST] = LAYOUT(
+                TO(_NUMPAD), QK_BOOT,
+               XXXXXXX, XXXXXXX, XXXXXXX,
+           RGB_MOD, XXXXXXX, XXXXXXX, XXXXXXX,
+              RGB_TOG, RGB_VAD, RGB_VAI
+    ),
+};
+// clang-format on
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+    switch (get_highest_layer(state)) {
+        case _NUMPAD:
+            rgblight_sethsv_noeeprom(170, 255, 128);
+            rgblight_mode_noeeprom(2);
+            break;
+        case _CONTROL:
+            rgblight_mode_noeeprom(3);
+            break;
+        case _ADJUST:
+            rgblight_mode_noeeprom(4);
+            break;
+    }
+    return state;
+}
+// turn rgb off after some amount of inactivity
+
+static uint16_t key_timer;              // timer to track the last keyboard activity
+static bool     is_rgb_timeout = false; // store if RGB has timed out or not in a boolean
+
+/* Runs at the end of each scan loop, check if RGB timeout has occurred */
+void housekeeping_task_user(void) {
+    if (!is_rgb_timeout && timer_elapsed(key_timer) > RGBLIGHT_TIMEOUT) {
+        rgblight_disable_noeeprom();
+        is_rgb_timeout = true;
+    }
+}
+
+/* Runs after each key press, check if activity occurred */
+void post_process_record_user(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        key_timer = timer_read(); // store time of last refresh
+        if (is_rgb_timeout) {     // only do something if rgb has timed out
+            is_rgb_timeout = false;
+            rgblight_enable_noeeprom();
+        }
+    }
+}

keyboards/s_ol/0xc_pad/keymaps/superfell/readme.md

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+# 0xC.pad Layout
+
+​
+This is a 3 layer layout comprising of numpad, a number of osx shortcuts and an adjust layer
+that can put it into boot mode.
+The top left key cycles between the layers.
+The layers all have unique rgb animations so you can easily tell which layer is active.