| 6 |
|
|
| 7 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
| 8 |
use Carp qw/confess/; |
use Carp qw/confess/; |
| 9 |
|
use Getopt::Long; |
| 10 |
|
use File::Slurp; |
| 11 |
|
use JSON; |
| 12 |
|
use POSIX qw(strftime); |
| 13 |
|
|
| 14 |
|
use IO::Socket::INET; |
| 15 |
|
|
| 16 |
my $debug = 0; |
my $debug = 0; |
| 17 |
|
|
| 18 |
|
my $tags_data; |
| 19 |
|
my $tags_security; |
| 20 |
|
my $visible_tags; |
| 21 |
|
|
| 22 |
|
my $listen_port = 9000; # pick something not in use |
| 23 |
|
my $server_url = "http://localhost:$listen_port"; |
| 24 |
|
|
| 25 |
|
sub http_server { |
| 26 |
|
|
| 27 |
|
my $server = IO::Socket::INET->new( |
| 28 |
|
Proto => 'tcp', |
| 29 |
|
LocalPort => $listen_port, |
| 30 |
|
Listen => SOMAXCONN, |
| 31 |
|
Reuse => 1 |
| 32 |
|
); |
| 33 |
|
|
| 34 |
|
die "can't setup server" unless $server; |
| 35 |
|
|
| 36 |
|
print "Server $0 ready at $server_url\n"; |
| 37 |
|
|
| 38 |
|
sub static { |
| 39 |
|
my ($client,$path) = @_; |
| 40 |
|
|
| 41 |
|
$path = "www/$path"; |
| 42 |
|
$path .= 'rfid.html' if $path =~ m{/$}; |
| 43 |
|
|
| 44 |
|
return unless -e $path; |
| 45 |
|
|
| 46 |
|
my $type = 'text/plain'; |
| 47 |
|
$type = 'text/html' if $path =~ m{\.htm}; |
| 48 |
|
$type = 'application/javascript' if $path =~ m{\.js}; |
| 49 |
|
|
| 50 |
|
print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\n\r\n"; |
| 51 |
|
open(my $html, $path); |
| 52 |
|
while(<$html>) { |
| 53 |
|
print $client $_; |
| 54 |
|
} |
| 55 |
|
close($html); |
| 56 |
|
|
| 57 |
|
return $path; |
| 58 |
|
} |
| 59 |
|
|
| 60 |
|
while (my $client = $server->accept()) { |
| 61 |
|
$client->autoflush(1); |
| 62 |
|
my $request = <$client>; |
| 63 |
|
|
| 64 |
|
warn "WEB << $request\n" if $debug; |
| 65 |
|
|
| 66 |
|
if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { |
| 67 |
|
my $method = $1; |
| 68 |
|
my $param; |
| 69 |
|
if ( $method =~ s{\?(.+)}{} ) { |
| 70 |
|
foreach my $p ( split(/[&;]/, $1) ) { |
| 71 |
|
my ($n,$v) = split(/=/, $p, 2); |
| 72 |
|
$param->{$n} = $v; |
| 73 |
|
} |
| 74 |
|
warn "WEB << param: ",dump( $param ) if $debug; |
| 75 |
|
} |
| 76 |
|
if ( my $path = static( $client,$1 ) ) { |
| 77 |
|
warn "WEB >> $path" if $debug; |
| 78 |
|
} elsif ( $method =~ m{/scan} ) { |
| 79 |
|
my $tags = scan_for_tags(); |
| 80 |
|
my $json = { time => time() }; |
| 81 |
|
map { |
| 82 |
|
my $d = decode_tag($_); |
| 83 |
|
$d->{sid} = $_; |
| 84 |
|
$d->{security} = $tags_security->{$_}; |
| 85 |
|
push @{ $json->{tags} }, $d; |
| 86 |
|
} keys %$tags; |
| 87 |
|
print $client "HTTP/1.0 200 OK\r\nContent-Type: application/x-javascript\r\n\r\n", |
| 88 |
|
$param->{callback}, "(", to_json($json), ")\r\n"; |
| 89 |
|
} elsif ( $method =~ m{/program} ) { |
| 90 |
|
|
| 91 |
|
my $status = 501; # Not implementd |
| 92 |
|
|
| 93 |
|
foreach my $p ( keys %$param ) { |
| 94 |
|
next unless $p =~ m/^(E[0-9A-F]{15})$/; |
| 95 |
|
my $tag = $1; |
| 96 |
|
my $content = "\x04\x11\x00\x01" . $param->{$p}; |
| 97 |
|
$content = "\x00" if $param->{$p} eq 'blank'; |
| 98 |
|
$status = 302; |
| 99 |
|
|
| 100 |
|
warn "PROGRAM $tag $content\n"; |
| 101 |
|
write_tag( $tag, $content ); |
| 102 |
|
} |
| 103 |
|
|
| 104 |
|
print $client "HTTP/1.0 $status $method\r\nLocation: $server_url\r\n\r\n"; |
| 105 |
|
|
| 106 |
|
} else { |
| 107 |
|
print $client "HTTP/1.0 404 Unkown method\r\n"; |
| 108 |
|
} |
| 109 |
|
} else { |
| 110 |
|
print $client "HTTP/1.0 500 No method\r\n"; |
| 111 |
|
} |
| 112 |
|
close $client; |
| 113 |
|
} |
| 114 |
|
|
| 115 |
|
die "server died"; |
| 116 |
|
} |
| 117 |
|
|
| 118 |
|
|
| 119 |
|
my $last_message = {}; |
| 120 |
|
sub _message { |
| 121 |
|
my $type = shift @_; |
| 122 |
|
my $text = join(' ',@_); |
| 123 |
|
my $last = $last_message->{$type}; |
| 124 |
|
if ( $text ne $last ) { |
| 125 |
|
warn $type eq 'diag' ? '# ' : '', $text, "\n"; |
| 126 |
|
$last_message->{$type} = $text; |
| 127 |
|
} |
| 128 |
|
} |
| 129 |
|
|
| 130 |
|
sub _log { _message('log',@_) }; |
| 131 |
|
sub diag { _message('diag',@_) }; |
| 132 |
|
|
| 133 |
|
my $device = "/dev/ttyUSB0"; |
| 134 |
|
my $baudrate = "19200"; |
| 135 |
|
my $databits = "8"; |
| 136 |
|
my $parity = "none"; |
| 137 |
|
my $stopbits = "1"; |
| 138 |
|
my $handshake = "none"; |
| 139 |
|
|
| 140 |
|
my $program_path = './program/'; |
| 141 |
|
my $secure_path = './secure/'; |
| 142 |
|
|
| 143 |
|
# http server |
| 144 |
|
my $http_server = 1; |
| 145 |
|
|
| 146 |
|
# 3M defaults: 8,4 |
| 147 |
|
my $max_rfid_block = 16; |
| 148 |
|
my $read_blocks = 8; |
| 149 |
|
|
| 150 |
my $response = { |
my $response = { |
| 151 |
'd500090400110a0500027250' => 'version?', |
'd500090400110a0500027250' => 'version?', |
| 152 |
'd60007fe00000500c97b' => 'no tag in range', |
'd60007fe00000500c97b' => 'no tag in range', |
| 159 |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
| 160 |
}; |
}; |
| 161 |
|
|
| 162 |
|
GetOptions( |
| 163 |
|
'd|debug+' => \$debug, |
| 164 |
|
'device=s' => \$device, |
| 165 |
|
'baudrate=i' => \$baudrate, |
| 166 |
|
'databits=i' => \$databits, |
| 167 |
|
'parity=s' => \$parity, |
| 168 |
|
'stopbits=i' => \$stopbits, |
| 169 |
|
'handshake=s' => \$handshake, |
| 170 |
|
'http-server!' => \$http_server, |
| 171 |
|
) or die $!; |
| 172 |
|
|
| 173 |
|
my $verbose = $debug > 0 ? $debug-- : 0; |
| 174 |
|
|
| 175 |
=head1 NAME |
=head1 NAME |
| 176 |
|
|
| 177 |
3m-810 - support for 3M 810 RFID reader |
3m-810 - support for 3M 810 RFID reader |
| 178 |
|
|
| 179 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
| 180 |
|
|
| 181 |
3m-810.pl [DEVICE [BAUD [DATA [PARITY [STOP [FLOW]]]]]] |
3m-810.pl --device /dev/ttyUSB0 |
| 182 |
|
|
| 183 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
| 184 |
|
|
| 190 |
|
|
| 191 |
L<perl(1)> |
L<perl(1)> |
| 192 |
|
|
| 193 |
|
L<http://stackoverflow.com/questions/149617/how-could-i-guess-a-checksum-algorithm> |
| 194 |
|
|
| 195 |
=head1 AUTHOR |
=head1 AUTHOR |
| 196 |
|
|
| 197 |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
| 203 |
|
|
| 204 |
=cut |
=cut |
| 205 |
|
|
| 206 |
# your serial port. |
my $item_type = { |
| 207 |
my ($device,$baudrate,$databits,$parity,$stopbits,$handshake)=@ARGV; |
1 => 'Book', |
| 208 |
$device ||= "/dev/ttyUSB0"; |
6 => 'CD/CD ROM', |
| 209 |
$baudrate ||= "19200"; |
2 => 'Magazine', |
| 210 |
$databits ||= "8"; |
13 => 'Book with Audio Tape', |
| 211 |
$parity ||= "none"; |
9 => 'Book with CD/CD ROM', |
| 212 |
$stopbits ||= "1"; |
0 => 'Other', |
| 213 |
$handshake ||= "none"; |
|
| 214 |
|
5 => 'Video', |
| 215 |
|
4 => 'Audio Tape', |
| 216 |
|
3 => 'Bound Journal', |
| 217 |
|
8 => 'Book with Diskette', |
| 218 |
|
7 => 'Diskette', |
| 219 |
|
}; |
| 220 |
|
|
| 221 |
|
warn "## known item type: ",dump( $item_type ) if $debug; |
| 222 |
|
|
| 223 |
my $port=new Device::SerialPort($device) || die "new($device): $!\n"; |
my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n"; |
| 224 |
|
warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug; |
| 225 |
$handshake=$port->handshake($handshake); |
$handshake=$port->handshake($handshake); |
| 226 |
$baudrate=$port->baudrate($baudrate); |
$baudrate=$port->baudrate($baudrate); |
| 227 |
$databits=$port->databits($databits); |
$databits=$port->databits($databits); |
| 228 |
$parity=$port->parity($parity); |
$parity=$port->parity($parity); |
| 229 |
$stopbits=$port->stopbits($stopbits); |
$stopbits=$port->stopbits($stopbits); |
| 230 |
|
|
| 231 |
print "## using $device $baudrate $databits $parity $stopbits\n"; |
warn "## using $device $baudrate $databits $parity $stopbits debug: $debug verbose: $verbose\n"; |
| 232 |
|
|
| 233 |
# Just in case: reset our timing and buffers |
# Just in case: reset our timing and buffers |
| 234 |
$port->lookclear(); |
$port->lookclear(); |
| 241 |
|
|
| 242 |
# initial hand-shake with device |
# initial hand-shake with device |
| 243 |
|
|
| 244 |
cmd( 'D5 00 05 04 00 11 8C66', 'hw version?', |
cmd( 'D5 00 05 04 00 11 8C66', 'hw version', |
| 245 |
'D5 00 09 04 00 11 0A 05 00 02 7250', 'hw 10.5.0.2', sub { |
'D5 00 09 04 00 11 0A 05 00 02 7250', sub { |
| 246 |
print "hardware version ", join('.', unpack('CCCC', skip_assert(3) )), "\n"; |
my $hw_ver = join('.', unpack('CCCC', skip_assert(3) )); |
| 247 |
|
print "hardware version $hw_ver\n"; |
| 248 |
}); |
}); |
| 249 |
|
|
| 250 |
cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','stats?', |
cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','FIXME: stats?', |
| 251 |
'D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778','FIXME: unimplemented', sub { assert() } ); |
'D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778', sub { assert() } ); |
| 252 |
|
|
| 253 |
# start scanning for tags |
sub scan_for_tags { |
| 254 |
|
|
| 255 |
|
my @tags; |
| 256 |
|
|
| 257 |
cmd( 'D6 00 05 FE 00 05 FA40', "XXX scan $_", |
cmd( 'D6 00 05 FE 00 05 FA40', "scan for tags", |
| 258 |
'D6 00 07 FE 00 00 05 00 C97B', 'no tag', sub { |
'D6 00 0F FE 00 00 05 ', sub { # 01 E00401003123AA26 941A # seen, serial length: 8 |
|
dispatch( |
|
|
'D6 00 0F FE 00 00 05 ',# 01 E00401003123AA26 941A # seen, serial length: 8 |
|
|
sub { |
|
| 259 |
my $rest = shift || die "no rest?"; |
my $rest = shift || die "no rest?"; |
| 260 |
my $nr = ord( substr( $rest, 0, 1 ) ); |
my $nr = ord( substr( $rest, 0, 1 ) ); |
|
my $tags = substr( $rest, 1 ); |
|
| 261 |
|
|
| 262 |
my $tl = length( $tags ); |
if ( ! $nr ) { |
| 263 |
die "wrong length $tl for $nr tags: ",dump( $tags ) if $tl =! $nr * 8; |
_log "no tags in range\n"; |
| 264 |
|
update_visible_tags(); |
| 265 |
|
$tags_data = {}; |
| 266 |
|
} else { |
| 267 |
|
|
| 268 |
|
my $tags = substr( $rest, 1 ); |
| 269 |
|
my $tl = length( $tags ); |
| 270 |
|
die "wrong length $tl for $nr tags: ",dump( $tags ) if $tl =! $nr * 8; |
| 271 |
|
|
| 272 |
|
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 ); |
| 273 |
|
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
| 274 |
|
_log "$nr tags in range: ", join(',', @tags ) , "\n"; |
| 275 |
|
|
| 276 |
|
update_visible_tags( @tags ); |
| 277 |
|
} |
| 278 |
|
} |
| 279 |
|
); |
| 280 |
|
|
| 281 |
|
diag "tags: ",dump( @tags ); |
| 282 |
|
return $tags_data; |
| 283 |
|
|
| 284 |
|
} |
| 285 |
|
|
| 286 |
|
# start scanning for tags |
| 287 |
|
|
| 288 |
|
if ( $http_server ) { |
| 289 |
|
http_server; |
| 290 |
|
} else { |
| 291 |
|
while (1) { |
| 292 |
|
scan_for_tags; |
| 293 |
|
sleep 1; |
| 294 |
|
} |
| 295 |
|
} |
| 296 |
|
|
| 297 |
|
die "over and out"; |
| 298 |
|
|
| 299 |
|
sub update_visible_tags { |
| 300 |
|
my @tags = @_; |
| 301 |
|
|
| 302 |
|
my $last_visible_tags = $visible_tags; |
| 303 |
|
$visible_tags = {}; |
| 304 |
|
|
| 305 |
|
foreach my $tag ( @tags ) { |
| 306 |
|
$visible_tags->{$tag}++; |
| 307 |
|
if ( ! defined $last_visible_tags->{$tag} ) { |
| 308 |
|
if ( defined $tags_data->{$tag} ) { |
| 309 |
|
warn "$tag in range\n"; |
| 310 |
|
} else { |
| 311 |
|
read_tag( $tag ); |
| 312 |
|
} |
| 313 |
|
} else { |
| 314 |
|
warn "## using cached data for $tag" if $debug; |
| 315 |
|
} |
| 316 |
|
delete $last_visible_tags->{$tag}; # leave just missing tags |
| 317 |
|
|
| 318 |
|
if ( -e "$program_path/$tag" ) { |
| 319 |
|
write_tag( $tag ); |
| 320 |
|
} |
| 321 |
|
if ( -e "$secure_path/$tag" ) { |
| 322 |
|
secure_tag( $tag ); |
| 323 |
|
} |
| 324 |
|
} |
| 325 |
|
|
| 326 |
|
foreach my $tag ( keys %$last_visible_tags ) { |
| 327 |
|
my $data = delete $tags_data->{$tag}; |
| 328 |
|
warn "$tag removed ", dump($data), $/; |
| 329 |
|
} |
| 330 |
|
|
| 331 |
|
warn "## update_visible_tags(",dump( @tags ),") = ",dump( $visible_tags )," removed: ",dump( $last_visible_tags ), " data: ",dump( $tags_data ) if $debug; |
| 332 |
|
} |
| 333 |
|
|
| 334 |
|
my $tag_data_block; |
| 335 |
|
|
| 336 |
|
sub read_tag_data { |
| 337 |
|
my ($start_block,$rest) = @_; |
| 338 |
|
die "no rest?" unless $rest; |
| 339 |
|
|
| 340 |
|
my $last_block = 0; |
| 341 |
|
|
| 342 |
|
warn "## DATA [$start_block] ", dump( $rest ) if $debug; |
| 343 |
|
my $tag = uc(unpack('H16',substr( $rest, 0, 8 ))); |
| 344 |
|
my $blocks = ord(substr($rest,8,1)); |
| 345 |
|
$rest = substr($rest,9); # leave just data blocks |
| 346 |
|
foreach my $nr ( 0 .. $blocks - 1 ) { |
| 347 |
|
my $block = substr( $rest, $nr * 6, 6 ); |
| 348 |
|
warn "## block ",as_hex( $block ) if $debug; |
| 349 |
|
my $ord = unpack('v',substr( $block, 0, 2 )); |
| 350 |
|
my $expected_ord = $nr + $start_block; |
| 351 |
|
warn "got block $ord, expected block $expected_ord from ",dump( $block ) if $ord != $expected_ord; |
| 352 |
|
my $data = substr( $block, 2 ); |
| 353 |
|
die "data payload should be 4 bytes" if length($data) != 4; |
| 354 |
|
warn sprintf "## tag %9s %02d: %s |%-4s|\n", $tag, $ord, as_hex( $data ), $data; |
| 355 |
|
$tag_data_block->{$tag}->[ $ord ] = $data; |
| 356 |
|
$last_block = $ord; |
| 357 |
|
} |
| 358 |
|
$tags_data->{ $tag } = join('', @{ $tag_data_block->{$tag} }); |
| 359 |
|
|
| 360 |
|
my $item_type_nr = ord(substr( $tags_data->{$tag}, 3, 1 )); |
| 361 |
|
print "DATA $tag ",dump( $tags_data ), " item type: ", ( $item_type->{ $item_type_nr } || "UNKWOWN '$item_type_nr'" ), "\n"; |
| 362 |
|
|
| 363 |
|
return $last_block + 1; |
| 364 |
|
} |
| 365 |
|
|
| 366 |
|
my $saved_in_log; |
| 367 |
|
|
| 368 |
|
sub decode_tag { |
| 369 |
|
my $tag = shift; |
| 370 |
|
|
| 371 |
|
my $data = $tags_data->{$tag} || die "no data for $tag"; |
| 372 |
|
|
| 373 |
|
my ( $u1, $set_item, $u2, $type, $content, $br_lib, $custom ) = unpack('C4Z16Nl>',$data); |
| 374 |
|
my $hash = { |
| 375 |
|
u1 => $u1, |
| 376 |
|
u2 => $u2, |
| 377 |
|
set => ( $set_item & 0xf0 ) >> 4, |
| 378 |
|
total => ( $set_item & 0x0f ), |
| 379 |
|
|
| 380 |
my @tags; |
type => $type, |
| 381 |
push @tags, substr($tags, $_ * 8, 8) foreach ( 0 .. $nr - 1 ); |
content => $content, |
| 382 |
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
|
| 383 |
print "seen $nr tags: ", join(',', map { unpack('H16', $_) } @tags ) , "\n"; |
branch => $br_lib >> 20, |
| 384 |
|
library => $br_lib & 0x000fffff, |
| 385 |
|
|
| 386 |
|
custom => $custom, |
| 387 |
|
}; |
| 388 |
|
|
| 389 |
|
if ( ! $saved_in_log->{$tag}++ ) { |
| 390 |
|
open(my $log, '>>', 'rfid-log.txt'); |
| 391 |
|
print $log strftime( "%Y-%m-%d %H:%M:%S", localtime ), ",$tag,$content\n"; |
| 392 |
|
close($log); |
| 393 |
|
} |
| 394 |
|
|
| 395 |
|
return $hash; |
| 396 |
|
} |
| 397 |
|
|
| 398 |
|
sub read_tag { |
| 399 |
|
my ( $tag ) = @_; |
| 400 |
|
|
| 401 |
|
confess "no tag?" unless $tag; |
| 402 |
|
|
| 403 |
|
print "read_tag $tag\n"; |
| 404 |
|
|
| 405 |
|
my $start_block = 0; |
| 406 |
|
|
| 407 |
|
while ( $start_block < $max_rfid_block ) { |
| 408 |
|
|
| 409 |
|
cmd( |
| 410 |
|
sprintf( "D6 00 0D 02 $tag %02x %02x BEEF", $start_block, $read_blocks ), |
| 411 |
|
"read $tag offset: $start_block blocks: $read_blocks", |
| 412 |
|
"D6 00 1F 02 00", sub { # $tag 03 00 00 04 11 00 01 01 00 31 32 33 34 02 00 35 36 37 38 531F\n"; |
| 413 |
|
$start_block = read_tag_data( $start_block, @_ ); |
| 414 |
|
warn "# read tag upto $start_block\n"; |
| 415 |
|
}, |
| 416 |
|
"D6 00 0F FE 00 00 05 01 $tag BEEF", sub { |
| 417 |
|
print "FIXME: tag $tag ready? (expected block read instead)\n"; |
| 418 |
|
}, |
| 419 |
|
); |
| 420 |
|
|
| 421 |
|
} |
| 422 |
|
|
| 423 |
|
my $security; |
| 424 |
|
|
| 425 |
|
cmd( |
| 426 |
|
"D6 00 0B 0A $tag BEEF", "check security $tag", |
| 427 |
|
"D6 00 0D 0A 00", sub { |
| 428 |
|
my $rest = shift; |
| 429 |
|
my $from_tag; |
| 430 |
|
( $from_tag, $security ) = ( substr($rest,0,8), substr($rest,8,1) ); |
| 431 |
|
die "security from other tag: ",as_hex( $from_tag ) if $from_tag ne str2bytes( $tag ); |
| 432 |
|
$security = as_hex( $security ); |
| 433 |
|
$tags_security->{$tag} = $security; |
| 434 |
|
warn "# SECURITY $tag = $security\n"; |
| 435 |
|
} |
| 436 |
|
); |
| 437 |
|
|
| 438 |
|
print "TAG $tag ", dump(decode_tag( $tag )); |
| 439 |
|
} |
| 440 |
|
|
| 441 |
|
sub write_tag { |
| 442 |
|
my ($tag,$data) = @_; |
| 443 |
|
|
| 444 |
|
my $path = "$program_path/$tag"; |
| 445 |
|
$data = read_file( $path ) if -e $path; |
| 446 |
|
|
| 447 |
|
die "no data" unless $data; |
| 448 |
|
|
| 449 |
|
my $hex_data; |
| 450 |
|
|
| 451 |
|
if ( $data =~ s{^hex\s+}{} ) { |
| 452 |
|
$hex_data = $data; |
| 453 |
|
$hex_data =~ s{\s+}{}g; |
| 454 |
|
} else { |
| 455 |
|
|
| 456 |
|
$data .= "\0" x ( 4 - ( length($data) % 4 ) ); |
| 457 |
|
|
| 458 |
|
my $max_len = $max_rfid_block * 4; |
| 459 |
|
|
| 460 |
|
if ( length($data) > $max_len ) { |
| 461 |
|
$data = substr($data,0,$max_len); |
| 462 |
|
warn "strip content to $max_len bytes\n"; |
| 463 |
} |
} |
|
) } |
|
| 464 |
|
|
| 465 |
) foreach ( 1 .. 100 ); |
$hex_data = unpack('H*', $data); |
| 466 |
|
} |
| 467 |
|
|
| 468 |
|
my $len = length($hex_data) / 2; |
| 469 |
|
# pad to block size |
| 470 |
|
$hex_data .= '00' x ( 4 - $len % 4 ); |
| 471 |
|
my $blocks = sprintf('%02x', length($hex_data) / 4); |
| 472 |
|
|
| 473 |
|
print "write_tag $tag = ",dump( $data ), " [$len/$blocks] == $hex_data\n"; |
| 474 |
|
|
| 475 |
|
cmd( |
| 476 |
|
"d6 00 ff 04 $tag 00 $blocks 00 $hex_data BEEF", "write $tag", |
| 477 |
|
"d6 00 0d 04 00 $tag $blocks BEEF", sub { assert() }, |
| 478 |
|
); # foreach ( 1 .. 3 ); # XXX 3m software does this three times! |
| 479 |
|
|
| 480 |
|
my $to = $path; |
| 481 |
|
$to .= '.' . time(); |
| 482 |
|
|
| 483 |
|
rename $path, $to; |
| 484 |
|
print ">> $to\n"; |
| 485 |
|
|
| 486 |
|
# force re-read of tag |
| 487 |
|
delete $tags_data->{$tag}; |
| 488 |
|
delete $visible_tags->{$tag}; |
| 489 |
|
} |
| 490 |
|
|
| 491 |
|
sub secure_tag { |
| 492 |
|
my ($tag) = @_; |
| 493 |
|
|
| 494 |
cmd( 'D6 00 0D 02 E00401003123AA26 00 03 1CC4', 'read offset: 0 blocks: 3' ); |
my $path = "$secure_path/$tag"; |
| 495 |
|
my $data = substr(read_file( $path ),0,2); |
| 496 |
|
|
| 497 |
# D6 00 1F 02 00 E00401003123AA26 03 00 00 04 11 00 01 01 00 30 30 30 30 02 00 30 30 30 30 E5F4 |
cmd( |
| 498 |
warn "D6 00 1F 02 00 E00401003123AA26 03 00 00 04 11 00 01 01 00 31 32 33 34 02 00 35 36 37 38 531F\n"; |
"d6 00 0c 09 $tag $data BEEF", "secure $tag -> $data", |
| 499 |
|
"d6 00 0c 09 00 $tag BEEF", sub { assert() }, |
| 500 |
|
); |
| 501 |
|
|
| 502 |
cmd( 'D6 00 0D 02 E00401003123AA26 03 04 3970', 'read offset: 3 blocks: 4' ); |
my $to = $path; |
| 503 |
|
$to .= '.' . time(); |
| 504 |
|
|
| 505 |
|
rename $path, $to; |
| 506 |
|
print ">> $to\n"; |
| 507 |
|
} |
| 508 |
|
|
| 509 |
# D6 00 25 02 00 E00401003123AA26 04 03 00 30 30 00 00 04 00 00 00 00 00 |
exit; |
|
# 05 00 00 00 00 00 06 00 00 00 00 00 B9BA |
|
|
warn "D6 00 25 02 00 E00401003123AA26 04 03 00 39 30 31 32 04 00 33 34 35 36 |
|
|
05 00 00 00 00 00 06 00 00 00 00 00 524B\n"; |
|
|
warn "D6 00 0F FE 00 00 05 01 E00401003123AA26 941A ##### ready?\n"; |
|
| 510 |
|
|
| 511 |
for ( 1 .. 3 ) { |
for ( 1 .. 3 ) { |
| 512 |
|
|
| 538 |
{ |
{ |
| 539 |
my $str=shift; |
my $str=shift; |
| 540 |
my $count = $port->write($str); |
my $count = $port->write($str); |
| 541 |
print "#> ", as_hex( $str ), "\t[$count]\n"; |
my $len = length($str); |
| 542 |
|
die "wrong write length $count != $len in ",as_hex( $str ) if $count != $len; |
| 543 |
|
print "#> ", as_hex( $str ), "\t[$count]\n" if $debug; |
| 544 |
} |
} |
| 545 |
|
|
| 546 |
sub as_hex { |
sub as_hex { |
| 559 |
my $data = ''; |
my $data = ''; |
| 560 |
while ( length( $data ) < $len ) { |
while ( length( $data ) < $len ) { |
| 561 |
my ( $c, $b ) = $port->read(1); |
my ( $c, $b ) = $port->read(1); |
| 562 |
|
die "no bytes on port: $!" unless defined $b; |
| 563 |
#warn "## got $c bytes: ", as_hex($b), "\n"; |
#warn "## got $c bytes: ", as_hex($b), "\n"; |
| 564 |
$data .= $b; |
$data .= $b; |
| 565 |
} |
} |
| 589 |
return substr( $assert->{payload}, $to ); |
return substr( $assert->{payload}, $to ); |
| 590 |
} |
} |
| 591 |
|
|
| 592 |
our $dispatch; |
use Digest::CRC; |
| 593 |
sub dispatch { |
|
| 594 |
my ( $pattern, $coderef ) = @_; |
sub crcccitt { |
| 595 |
my $patt = substr( str2bytes($pattern), 3 ); # just payload |
my $bytes = shift; |
| 596 |
my $l = length($patt); |
my $crc = Digest::CRC->new( |
| 597 |
my $p = substr( $assert->{payload}, 0, $l ); |
# midified CCITT to xor with 0xffff instead of 0x0000 |
| 598 |
warn "## dispatch pattern $pattern [$l] ",dump( $patt, $p ) if $debug; |
width => 16, init => 0xffff, xorout => 0xffff, refout => 0, poly => 0x1021, refin => 0, |
| 599 |
|
) or die $!; |
| 600 |
if ( $assert->{payload} eq $assert->{expect} ) { |
$crc->add( $bytes ); |
| 601 |
warn "## no dispatch, payload expected" if $debug; |
pack('n', $crc->digest); |
|
} elsif ( $p eq $patt ) { |
|
|
# if matched call with rest of payload |
|
|
$coderef->( substr( $assert->{payload}, $l ) ); |
|
|
} else { |
|
|
warn "## dispatch ignored" if $debug; |
|
|
} |
|
| 602 |
} |
} |
| 603 |
|
|
| 604 |
# my $checksum = checksum( $bytes ); |
# my $checksum = checksum( $bytes ); |
| 606 |
sub checksum { |
sub checksum { |
| 607 |
my ( $bytes, $checksum ) = @_; |
my ( $bytes, $checksum ) = @_; |
| 608 |
|
|
| 609 |
my $xor = $checksum; # FIXME |
my $len = ord(substr($bytes,2,1)); |
| 610 |
|
my $len_real = length($bytes) - 1; |
| 611 |
|
|
| 612 |
|
if ( $len_real != $len ) { |
| 613 |
|
print "length wrong: $len_real != $len\n"; |
| 614 |
|
$bytes = substr($bytes,0,2) . chr($len_real) . substr($bytes,3); |
| 615 |
|
} |
| 616 |
|
|
| 617 |
|
my $xor = crcccitt( substr($bytes,1) ); # skip D6 |
| 618 |
|
warn "## checksum ",dump( $bytes, $xor, $checksum ) if $debug; |
| 619 |
|
|
| 620 |
if ( defined $checksum && $xor ne $checksum ) { |
if ( defined $checksum && $xor ne $checksum ) { |
| 621 |
print "checksum doesn't match: ", as_hex($xor), " != ", as_hex($checksum), " data: ", as_hex($bytes), "\n"; |
warn "checksum error: ", as_hex($xor), " != ", as_hex($checksum), " data: ", as_hex($bytes), "\n" if $checksum ne "\xBE\xEF"; |
| 622 |
|
return $bytes . $xor; |
| 623 |
} |
} |
| 624 |
|
return $bytes . $checksum; |
| 625 |
} |
} |
| 626 |
|
|
| 627 |
sub readchunk { |
our $dispatch; |
|
my ( $parser ) = @_; |
|
| 628 |
|
|
| 629 |
sleep 1; # FIXME remove |
sub readchunk { |
| 630 |
|
# sleep 1; # FIXME remove |
| 631 |
|
|
| 632 |
# read header of packet |
# read header of packet |
| 633 |
my $header = read_bytes( 2, 'header' ); |
my $header = read_bytes( 2, 'header' ); |
| 640 |
warn "## payload too short $payload_len != $len\n" if $payload_len != $len; |
warn "## payload too short $payload_len != $len\n" if $payload_len != $len; |
| 641 |
|
|
| 642 |
my $checksum = substr( $data, -2, 2 ); |
my $checksum = substr( $data, -2, 2 ); |
| 643 |
checksum( $header . $length . $payload, $checksum ); |
checksum( $header . $length . $payload , $checksum ); |
| 644 |
|
|
| 645 |
print "<< ",as_hex( $header ), " [$len] ", as_hex( $payload ), " | sum: ",as_hex($checksum),"\n"; |
print "<< ",as_hex( $header ), " [$len] ", as_hex( $payload ), " | sum: ",as_hex($checksum),"\n" if $verbose; |
| 646 |
|
|
| 647 |
$assert->{len} = $len; |
$assert->{len} = $len; |
| 648 |
$assert->{payload} = $payload; |
$assert->{payload} = $payload; |
| 649 |
|
|
| 650 |
$parser->( $len, $payload ) if $parser && ref($parser) eq 'CODE'; |
my $full = $header . $length . $data; # full |
| 651 |
|
# find longest match for incomming data |
| 652 |
|
my ($to) = grep { |
| 653 |
|
my $match = substr($payload,0,length($_)); |
| 654 |
|
m/^\Q$match\E/ |
| 655 |
|
} sort { length($a) <=> length($b) } keys %$dispatch; |
| 656 |
|
warn "?? payload dispatch to ",dump( $payload, $dispatch, $to ) if $debug; |
| 657 |
|
|
| 658 |
|
if ( defined $to ) { |
| 659 |
|
my $rest = substr( $payload, length($to) ) if length($to) < length($payload); |
| 660 |
|
warn "## DISPATCH payload to with rest", dump( $payload, $to, $rest ) if $debug; |
| 661 |
|
$dispatch->{ $to }->( $rest ); |
| 662 |
|
} else { |
| 663 |
|
die "NO DISPATCH for ",as_hex( $full ),"\n"; |
| 664 |
|
} |
| 665 |
|
|
| 666 |
return $data; |
return $data; |
| 667 |
} |
} |
| 669 |
sub str2bytes { |
sub str2bytes { |
| 670 |
my $str = shift || confess "no str?"; |
my $str = shift || confess "no str?"; |
| 671 |
my $b = $str; |
my $b = $str; |
| 672 |
$b =~ s/\s+(\S\S)(\S\S)+\s*/ $1 $2/; # fix checksum |
$b =~ s/\s+//g; |
| 673 |
$b =~ s/\s+$//; |
$b =~ s/(..)/\\x$1/g; |
| 674 |
$b =~ s/\s+/\\x/g; |
$b = "\"$b\""; |
|
$b = '"\x' . $b . '"'; |
|
| 675 |
my $bytes = eval $b; |
my $bytes = eval $b; |
| 676 |
die $@ if $@; |
die $@ if $@; |
| 677 |
warn "## str2bytes( $str ) => $b => ",as_hex($bytes) if $debug; |
warn "## str2bytes( $str ) => $b => ",as_hex($bytes) if $debug; |
| 679 |
} |
} |
| 680 |
|
|
| 681 |
sub cmd { |
sub cmd { |
| 682 |
my ( $cmd, $cmd_desc, $expect, $expect_desc, $coderef ) = @_; |
my $cmd = shift || confess "no cmd?"; |
| 683 |
|
my $cmd_desc = shift || confess "no description?"; |
| 684 |
|
my @expect = @_; |
| 685 |
|
|
| 686 |
my $bytes = str2bytes( $cmd ); |
my $bytes = str2bytes( $cmd ); |
| 687 |
|
|
| 688 |
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n"; |
# fix checksum if needed |
| 689 |
|
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) ); |
| 690 |
|
|
| 691 |
|
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n" if $verbose; |
| 692 |
$assert->{send} = $cmd; |
$assert->{send} = $cmd; |
| 693 |
writechunk( $bytes ); |
writechunk( $bytes ); |
| 694 |
|
|
| 695 |
if ( $expect ) { |
while ( @expect ) { |
| 696 |
warn "?? $expect", $expect_desc ? "\t## $expect_desc" : '', "\n"; |
my $pattern = str2bytes( shift @expect ) || confess "no pattern?"; |
| 697 |
$assert->{expect} = substr(str2bytes($expect), 3, -2); # just expected payload |
my $coderef = shift @expect || confess "no coderef?"; |
| 698 |
readchunk( $coderef ); |
confess "not coderef" unless ref $coderef eq 'CODE'; |
| 699 |
|
|
| 700 |
|
next if defined $dispatch->{ $pattern }; |
| 701 |
|
|
| 702 |
|
$dispatch->{ substr($pattern,3) } = $coderef; |
| 703 |
|
warn "++ dispatch ", as_hex($pattern) ,dump( $dispatch ) if $debug; |
| 704 |
} |
} |
| 705 |
|
|
| 706 |
|
readchunk; |
| 707 |
} |
} |
| 708 |
|
|
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