diff --git a/bin/mbus-serial-switch-baudrate.c b/bin/mbus-serial-switch-baudrate.c
index 0a90f95..426526d 100644
--- a/bin/mbus-serial-switch-baudrate.c
+++ b/bin/mbus-serial-switch-baudrate.c
@@ -48,7 +48,7 @@ main(int argc, char **argv)
     }
     else
     {
-        fprintf(stderr, "usage: %s device address target-baudrate\n", argv[0]);
+        fprintf(stderr, "usage: %s [-b BAUDRATE] device address target-baudrate\n", argv[0]);
         return 0;
     }
 
diff --git a/test/generate-xml.sh b/test/generate-xml.sh
new file mode 100755
index 0000000..e82b8b8
--- /dev/null
+++ b/test/generate-xml.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+#------------------------------------------------------------------------------
+# Copyright (C) 2010-2012, Robert Johansson and contributors, Raditex AB
+# All rights reserved.
+#
+# rSCADA 
+# http://www.rSCADA.se
+# info@rscada.se
+#
+# Contributors:
+# Large parts of this file was contributed by Stefan Wahren.
+#
+#------------------------------------------------------------------------------
+
+# Check if mbus_parse_hex exists
+if [ ! -x ./mbus_parse_hex ]; then
+    echo "mbus_parse_hex not found"
+    exit 3
+fi
+
+# Check commandline parameter
+if [ $# -ne 1 ]; then
+    echo "usage: $0 directory"
+    exit 3
+fi
+
+directory="$1"
+
+# Check directory
+if [ ! -d "$directory" ]; then
+    echo "usage: $0 directory"
+    exit 3
+fi
+
+for hexfile in "$directory"/*.hex;  do
+    filename=`basename $hexfile .hex`
+    
+    # Parse hex file and write XML in file
+    ./mbus_parse_hex "$hexfile" > "$directory/$filename.xml.new"
+    result=$?
+    
+    # Check parsing result
+    if [ $result -ne 0 ]; then
+        echo "Unable to generate XML for $hexfile"
+        rm "$directory/$filename.xml.new"
+        continue
+    fi
+    
+    # Compare old XML with new XML and write in file
+    diff -u "$directory/$filename.xml" "$directory/$filename.xml.new" 2> /dev/null > "$directory/$filename.dif"
+    result=$?
+    
+    case "$result" in
+        0)
+             # XML equal -> remove new
+             rm "$directory/$filename.xml.new"
+             rm "$directory/$filename.dif"
+             ;;
+        1)
+             # different -> print diff
+             cat "$directory/$filename.dif" && rm "$directory/$filename.dif"
+             echo ""
+             ;;
+        *)   
+             # no old -> rename XML
+             echo "Create $filename.xml"
+             mv "$directory/$filename.xml.new" "$directory/$filename.xml"
+             rm "$directory/$filename.dif"
+             ;;
+    esac
+done
+
+
diff --git a/test/mbus_parse.c b/test/mbus_parse.c
index 4286d08..3f23999 100644
--- a/test/mbus_parse.c
+++ b/test/mbus_parse.c
@@ -31,7 +31,7 @@ main(int argc, char *argv[])
 
 	if (argc != 2)
     {
-        fprintf(stderr, "%s binary-file\n", argv[0]);
+        fprintf(stderr, "usage: %s binary-file\n", argv[0]);
         return 1;
     }
 
@@ -52,6 +52,7 @@ main(int argc, char *argv[])
 	mbus_frame_data_parse(&reply, &frame_data);
 	mbus_frame_print(&reply);
 	printf("%s", mbus_frame_data_xml(&frame_data));
+	return 0;
 }
 
 
diff --git a/test/mbus_parse_hex.c b/test/mbus_parse_hex.c
index f662276..913b0d2 100644
--- a/test/mbus_parse_hex.c
+++ b/test/mbus_parse_hex.c
@@ -31,14 +31,14 @@ main(int argc, char *argv[])
 
 	if (argc != 2)
     {
-        fprintf(stderr, "%s binary-file\n", argv[0]);
-        return -1;
+        fprintf(stderr, "usage: %s hex-file\n", argv[0]);
+        return 1;
     }
 
 	if ((fd = open(argv[1], O_RDONLY, 0)) == -1)
     {
 		fprintf(stderr, "%s: failed to open '%s'", argv[0], argv[1]);
-        return -1;
+        return 1;
     }
 
 	bzero(raw_buff, sizeof(raw_buff));
@@ -70,12 +70,12 @@ main(int argc, char *argv[])
 	if (result < 0)
 	{
 	    fprintf(stderr, "mbus_parse: %s\n", mbus_error_str());
-        return -1;
+        return 1;
     }
     else if (result > 0)
     {
         fprintf(stderr, "mbus_parse: need %d more bytes\n", result);
-        return -1;
+        return 1;
     }
     
     result = mbus_frame_data_parse(&reply, &frame_data);
@@ -90,6 +90,7 @@ main(int argc, char *argv[])
     //mbus_frame_print(&reply);
     //mbus_frame_data_print(&frame_data);
 	printf("%s", mbus_frame_data_xml(&frame_data));
+	return 0;
 }