[Keyboard] add leftover30 by marksard (#10140)

* Keyboard: add treeadstone48

* rename layout defines

* Use of pragma once

* move common include code

* fixed info.json

* change keymap layout from kc to normal

* fix alpha revision keymap

* fixed info.json

* remove USE_Link_Time_Optimization

* Add keyboard leftover30

* update keymap

* Update keyboards/marksard/leftover30/config.h

I guess I was mistaken. Thank you.

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/leftover30.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* Update keyboards/marksard/leftover30/keymaps/default/keymap.c

* changed user led custom method

* Update keyboards/marksard/leftover30/config.h

* Update keyboards/marksard/leftover30/config.h

* Update keyboards/marksard/leftover30/keymaps/default/rules.mk

* Update keyboards/marksard/leftover30/rules.mk

* Update from other review

* Update keyboards/marksard/leftover30/readme.md

* fixed kanji key procedure

* Update keyboards/marksard/leftover30/config.h

* Update keyboards/marksard/leftover30/config.h

* Update keyboards/marksard/leftover30/config.h

* fixed by review

1 files changed, 37 insertions, 0 deletions

diff --git a/keyboards/marksard/leftover30/leftover30.c b/keyboards/marksard/leftover30/leftover30.c
new file mode 100644
index 000000000..df8152144
--- /dev/null
+++ b/keyboards/marksard/leftover30/leftover30.c
@@ -0,0 +1,37 @@
+/* Copyright 2020 marksard
+ *
+ * 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 "leftover30.h"
+
+// Optional override functions below.
+// You can leave any or all of these undefined.
+// These are only required if you want to perform custom actions.
+
+void keyboard_pre_init_user(void) {
+  /* Set CAPSLOCK indicator pin as output */
+  setPinOutput(D1);
+  /* Set NUMLOCK indicator pin as output */
+  setPinOutput(D2);
+}
+
+bool led_update_kb(led_t led_state) {
+    bool res = led_update_user(led_state);
+    if(res) {
+        writePin(D2, led_state.num_lock);
+        writePin(D1, led_state.caps_lock);
+    }
+    return res;
+}