Detect host OS based on USB fingerprint (#18463)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>

quantum/os_detection.h

@@ -0,0 +1,38 @@
+/* Copyright 2022 Ruslan Sayfutdinov (@KapJI)
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#ifdef OS_DETECTION_ENABLE
+typedef enum {
+    OS_UNSURE,
+    OS_LINUX,
+    OS_WINDOWS,
+    OS_MACOS,
+    OS_IOS,
+} os_variant_t;
+
+void         process_wlength(const uint16_t w_length);
+os_variant_t detected_host_os(void);
+void         erase_wlength_data(void);
+#endif
+
+#ifdef OS_DETECTION_DEBUG_ENABLE
+void print_stored_setups(void);
+void store_setups_in_eeprom(void);
+#endif