Integrate many changes from master

lib/hardware/GwChannelModes.h

@@ -0,0 +1,23 @@
+/*
+  This code is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+  This code 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
+  Lesser General Public License for more details.
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+  defines for the channel modes(types)
+*/
+#ifndef _GWCHANNELMODES_H
+#define _GWCHANNELMODES_H
+#define GWSERIAL_TYPE_UNI 1
+#define GWSERIAL_TYPE_BI 2
+#define GWSERIAL_TYPE_RX 3
+#define GWSERIAL_TYPE_TX 4
+#define GWSERIAL_TYPE_UNK 0
+#endif