[Keyboard] Add jkdlab/binary_monkey (#12374)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/jkdlab/binary_monkey/keymaps/ascii/keymap.c

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2021 JKDLAB. <jkdlab.co@gmail.com>
+ * Copyright 2021 Jaehee <ljh34210329@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 3 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 https://www.gnu.org/licenses/.
+ */
+ 
+#include QMK_KEYBOARD_H
+
+char ascii = 0;
+
+enum custom_keycodes {
+    BIN_0 = SAFE_RANGE,
+    BIN_1,
+    BIN_RETURN
+};
+
+enum layers {
+    _BASE = 0
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_BASE] = LAYOUT(
+        BIN_0,   BIN_1,
+          BIN_RETURN
+    )
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t* record) {
+    switch (keycode) {
+        case BIN_0:
+            if (record->event.pressed) {   
+                ascii = ascii << 1;
+            }
+
+            return true;
+        case BIN_1:
+            if (record->event.pressed) {
+                    ascii = ascii << 1;
+                    ++ascii;
+                }
+
+            return true;
+        case BIN_RETURN:
+            if (record->event.pressed) {
+                char str[2] = { ascii & 127, '\0' };
+
+                send_string(str);
+
+                ascii = 0;
+            }
+
+            return true;
+        default:
+            return true;
+    }
+
+    return true;
+}