[Keyboard] Add Lemon40 keyboard (#17357)

keyboards/horrortroll/lemon40/lemon40.c

@@ -0,0 +1,37 @@
+/* Copyright 2022 HorrorTroll <https://github.com/HorrorTroll>
+ *
+ * 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 "lemon40.h"
+
+// OLED animation
+#include "lib/bongocat.h"
+
+#ifdef OLED_ENABLE
+    bool oled_task_kb(void) {
+        led_t led_usb_state = host_keyboard_led_state();
+
+        render_bongocat();
+        oled_set_cursor(14, 0); // sets cursor to (column, row) using charactar spacing (4 rows on 128x32 screen, anything more will overflow back to the top)
+        oled_write_P(PSTR("WPM:"), false);
+        oled_write(get_u8_str(get_current_wpm(), '0'), false); // writes wpm on top right corner of string
+        oled_set_cursor(17, 2);
+        oled_write_P(led_usb_state.caps_lock ? PSTR("CAPS") : PSTR("    "), false);
+        oled_set_cursor(17, 3);
+        oled_write_P(led_usb_state.scroll_lock ? PSTR("SCRL") : PSTR("    "), false);
+
+        return true;
+    }
+#endif