[Keyboard] New kbd 1k (#15509)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: mtei <2170248+mtei@users.noreply.github.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/1k/keymaps/default/keymap.c

@@ -0,0 +1,25 @@
+// Copyright 2022 Makoto Kurauchi (@MakotoKurauchi)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+#include "rgblite.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [0] = LAYOUT_ortho_1x1(
+    RGB_HUI
+  )
+};
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+    switch (keycode) {
+      case RGB_HUI:
+        rgblite_increase_hue();
+        break;
+    }
+  }
+  return true;
+}
+
+void keyboard_post_init_user(void) {
+  rgblite_increase_hue();
+}

keyboards/1k/keymaps/default/rgblite.h

@@ -0,0 +1,23 @@
+// Copyright 2022 Makoto Kurauchi (@MakotoKurauchi)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "ws2812.h"
+#include "color.h"
+
+static inline void rgblite_setrgb(RGB rgb) {
+    LED_TYPE leds[RGBLED_NUM] = {{.r = rgb.r, .g = rgb.g, .b = rgb.b}};
+    ws2812_setleds(leds, RGBLED_NUM);
+}
+
+static void rgblite_increase_hue(void) {
+    static uint8_t state = 0;
+
+    HSV hsv = { 255, 255, 255 };
+    hsv.h = state;
+    state = (state + 8) % 256;
+
+    rgblite_setrgb(hsv_to_rgb(hsv));
+
+}

keyboards/1k/keymaps/default/rules.mk

@@ -0,0 +1,2 @@
+SRC += ws2812.c
+SRC += color.c