Keyboard: Ported ADB-to-USB converter from TMK to QMK (#3931)

* Ported ADB-to-USB converter from TMK to QMK

* Updated pull request with reviewer suggestions.

* Removed precompiled header file type (gch) from gitignore per reviewer request

* Update keyboards/converter/adb_usb/matrix.c

Changed instances of matrix_init_quantum to matrix_scan_quantum.

* Update keyboards/converter/adb_usb/matrix.c

Co-Authored-By: 13-bit <pete@13bit.me>

1 files changed, 27 insertions, 0 deletions

diff --git a/keyboards/converter/adb_usb/led.c b/keyboards/converter/adb_usb/led.c
new file mode 100644
index 000000000..ea9bf77b5
--- /dev/null
+++ b/keyboards/converter/adb_usb/led.c
@@ -0,0 +1,27 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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 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 <stdint.h>
+#include <util/delay.h>
+#include "adb.h"
+#include "led.h"
+
+
+void led_set(uint8_t usb_led)
+{
+    adb_host_kbd_led(ADB_ADDR_KEYBOARD, ~usb_led);
+}