Reorganize code in prep for hardware decoupling and port to C++

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/avclan/avclandrv.h

@@ -0,0 +1,33 @@
+/*
+                        AVCLAN-Mockingboard
+    Copyright (C) 2015 Allen Hill <allenofthehills@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/>.
+*/
+
+// Umbrella header for the avclan library. Consumers (e.g. the app in
+// src/sniffer.c) include this single header to pull in the whole AVC-LAN stack.
+
+#ifndef __AVCLANDRV_H
+#define __AVCLANDRV_H
+
+#include "avclan_defs.h"
+#include "avclan_frame.h"
+#include "avclan_phy.h"
+#include "avclan_protocol.h"
+#include "cdchanger.h"
+#include "mediacontrol.h"
+#include "statustimer.h"
+
+#endif // __AVCLANDRV_H