KDB: Serial driver.

svn path=/trunk/; revision=7192

reactos/ntoskrnl/dbg/kdb_serial.c

@@ -0,0 +1,51 @@
+/*
+ *  ReactOS kernel
+ *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/*
+ * PROJECT:          ReactOS kernel
+ * FILE:             ntoskrnl/dbg/kdb_serial.c
+ * PURPOSE:          Serial driver
+ * PROGRAMMER:       Original:
+ *                   Victor Kirhenshtein ([email protected])
+ *                   Jason Filby ([email protected])
+ *                   Modified:
+ *                   arty
+ */
+
+/* INCLUDES ****************************************************************/
+
+#include <ddk/ntddk.h>
+#include <string.h>
+#include <ntos/minmax.h>
+#include <internal/kd.h>
+
+#define NDEBUG
+#include <debug.h>
+
+extern KD_PORT_INFORMATION LogPortInfo;
+
+
+CHAR
+KdbTryGetCharSerial()
+{
+  UCHAR Result;
+
+  while( !KdPortGetByteEx (&LogPortInfo, &Result) );
+
+  return Result;
+}