--- 3m-810.pl	2009/04/06 13:10:40	29
+++ 3m-810.pl	2009/04/06 13:18:55	30
@@ -258,10 +258,14 @@
 
 	my $data = read_file( $path );
 
-	print "write_tag $tag = $data\n";
+	$data = substr($data,0,16);
+
+	my $hex_data = unpack('H*', $data) . ' 00' x ( 16 - length($data) );
+
+	print "write_tag $tag = $data ",dump( $hex_data );
 
 	cmd(
-		"D6 00  26  04  $tag  00 06 00  04 11 00 01  61 61 61 61  62 62 62 62  63 63 63 63  64 64 64 64  00 00 00 00  FD3B", "write $tag",
+		"D6 00  26  04  $tag  00 06 00  04 11 00 01  $hex_data 00 00 00 00  FD3B", "write $tag",
 		"D6 00  0D  04 00  $tag  06  AFB1", sub { assert() },
 	) foreach ( 1 .. 3 ); # XXX 3M software does this three times!
 
@@ -271,6 +275,7 @@
 	rename $path, $to;
 	print ">> $to\n";
 
+	delete $tags_data->{$tag};	# force re-read of tag
 }
 
 exit;