| 5 |
use warnings; |
use warnings; |
| 6 |
|
|
| 7 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
| 8 |
|
use Carp qw/confess/; |
| 9 |
|
use Getopt::Long; |
| 10 |
|
use File::Slurp; |
| 11 |
|
|
| 12 |
|
use IO::Socket::INET; |
| 13 |
|
|
| 14 |
|
my $meteor_server = '192.168.1.13:4671'; |
| 15 |
|
my $meteor_fh; |
| 16 |
|
|
| 17 |
|
sub meteor { |
| 18 |
|
my @a = @_; |
| 19 |
|
push @a, scalar localtime() if $a[0] =~ m{^info}; |
| 20 |
|
|
| 21 |
|
if ( ! defined $meteor_fh ) { |
| 22 |
|
warn "# open connection to $meteor_server"; |
| 23 |
|
$meteor_fh = IO::Socket::INET->new( |
| 24 |
|
PeerAddr => $meteor_server, |
| 25 |
|
Timeout => 1, |
| 26 |
|
) || warn "can't connect to meteor $meteor_server: $!"; # FIXME warn => die for production |
| 27 |
|
$meteor_fh = 0; # don't try again |
| 28 |
|
} |
| 29 |
|
|
| 30 |
|
warn ">> meteor ",dump( @a ); |
| 31 |
|
print $meteor_fh "ADDMESSAGE test ",join('|',@a),"\n" if $meteor_fh; |
| 32 |
|
} |
| 33 |
|
|
| 34 |
|
my $debug = 0; |
| 35 |
|
|
| 36 |
|
my $device = "/dev/ttyUSB0"; |
| 37 |
|
my $baudrate = "19200"; |
| 38 |
|
my $databits = "8"; |
| 39 |
|
my $parity = "none"; |
| 40 |
|
my $stopbits = "1"; |
| 41 |
|
my $handshake = "none"; |
| 42 |
|
|
| 43 |
|
my $program_path = './program/'; |
| 44 |
|
my $secure_path = './secure/'; |
| 45 |
|
|
| 46 |
my $response = { |
my $response = { |
| 47 |
'd500090400110a0500027250' => 'version?', |
'd500090400110a0500027250' => 'version?', |
| 55 |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
| 56 |
}; |
}; |
| 57 |
|
|
| 58 |
|
GetOptions( |
| 59 |
|
'd|debug+' => \$debug, |
| 60 |
|
'device=s' => \$device, |
| 61 |
|
'baudrate=i' => \$baudrate, |
| 62 |
|
'databits=i' => \$databits, |
| 63 |
|
'parity=s' => \$parity, |
| 64 |
|
'stopbits=i' => \$stopbits, |
| 65 |
|
'handshake=s' => \$handshake, |
| 66 |
|
'meteor=s' => \$meteor_server, |
| 67 |
|
) or die $!; |
| 68 |
|
|
| 69 |
|
my $verbose = $debug > 0 ? $debug-- : 0; |
| 70 |
|
|
| 71 |
=head1 NAME |
=head1 NAME |
| 72 |
|
|
| 73 |
3m-810 - support for 3M 810 RFID reader |
3m-810 - support for 3M 810 RFID reader |
| 74 |
|
|
| 75 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
| 76 |
|
|
| 77 |
3m-810.pl [DEVICE [BAUD [DATA [PARITY [STOP [FLOW]]]]]] |
3m-810.pl --device /dev/ttyUSB0 |
| 78 |
|
|
| 79 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
| 80 |
|
|
| 86 |
|
|
| 87 |
L<perl(1)> |
L<perl(1)> |
| 88 |
|
|
| 89 |
|
L<http://stackoverflow.com/questions/149617/how-could-i-guess-a-checksum-algorithm> |
| 90 |
|
|
| 91 |
=head1 AUTHOR |
=head1 AUTHOR |
| 92 |
|
|
| 93 |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
| 99 |
|
|
| 100 |
=cut |
=cut |
| 101 |
|
|
| 102 |
# your serial port. |
my $tags_data; |
| 103 |
my ($device,$baudrate,$databits,$parity,$stopbits,$handshake)=@ARGV; |
my $visible_tags; |
| 104 |
$device ||= "/dev/ttyUSB0"; |
|
| 105 |
$baudrate ||= "19200"; |
my $item_type = { |
| 106 |
$databits ||= "8"; |
1 => 'Book', |
| 107 |
$parity ||= "none"; |
6 => 'CD/CD ROM', |
| 108 |
$stopbits ||= "1"; |
2 => 'Magazine', |
| 109 |
$handshake ||= "none"; |
13 => 'Book with Audio Tape', |
| 110 |
|
9 => 'Book with CD/CD ROM', |
| 111 |
|
0 => 'Other', |
| 112 |
|
|
| 113 |
|
5 => 'Video', |
| 114 |
|
4 => 'Audio Tape', |
| 115 |
|
3 => 'Bound Journal', |
| 116 |
|
8 => 'Book with Diskette', |
| 117 |
|
7 => 'Diskette', |
| 118 |
|
}; |
| 119 |
|
|
| 120 |
my $port=new Device::SerialPort($device) || die "new($device): $!\n"; |
warn "## known item type: ",dump( $item_type ) if $debug; |
| 121 |
|
|
| 122 |
|
my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n"; |
| 123 |
|
warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug; |
| 124 |
$handshake=$port->handshake($handshake); |
$handshake=$port->handshake($handshake); |
| 125 |
$baudrate=$port->baudrate($baudrate); |
$baudrate=$port->baudrate($baudrate); |
| 126 |
$databits=$port->databits($databits); |
$databits=$port->databits($databits); |
| 127 |
$parity=$port->parity($parity); |
$parity=$port->parity($parity); |
| 128 |
$stopbits=$port->stopbits($stopbits); |
$stopbits=$port->stopbits($stopbits); |
| 129 |
|
|
| 130 |
print "## using $device $baudrate $databits $parity $stopbits\n"; |
print "## using $device $baudrate $databits $parity $stopbits debug: $debug verbose: $verbose\n"; |
| 131 |
|
|
| 132 |
# Just in case: reset our timing and buffers |
# Just in case: reset our timing and buffers |
| 133 |
$port->lookclear(); |
$port->lookclear(); |
| 138 |
#$port->stty_inpck(1); |
#$port->stty_inpck(1); |
| 139 |
#$port->stty_istrip(1); |
#$port->stty_istrip(1); |
| 140 |
|
|
| 141 |
sub cmd { |
# initial hand-shake with device |
| 142 |
my ( $cmd, $desc, $expect ) = @_; |
|
| 143 |
$cmd =~ s/\s+(\S\S)(\S\S)+\s*/ $1 $2/; # fix checksum |
cmd( 'D5 00 05 04 00 11 8C66', 'hw version', |
| 144 |
$cmd =~ s/\s+/\\x/g; |
'D5 00 09 04 00 11 0A 05 00 02 7250', sub { |
| 145 |
$cmd = '"\x' . $cmd . '"'; |
my $hw_ver = join('.', unpack('CCCC', skip_assert(3) )); |
| 146 |
my $bytes = eval $cmd; |
print "hardware version $hw_ver\n"; |
| 147 |
die $@ if $@; |
meteor( 'info', "Found reader hardware $hw_ver" ); |
| 148 |
warn ">> ", as_hex( $bytes ), "\t$desc\n"; |
}); |
| 149 |
writechunk( $bytes ); |
|
| 150 |
warn "?? $expect\n" if $expect; |
cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','FIXME: stats?', |
| 151 |
readchunk(); |
'D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778', sub { assert() } ); |
| 152 |
|
|
| 153 |
|
# start scanning for tags |
| 154 |
|
|
| 155 |
|
cmd( 'D6 00 05 FE 00 05 FA40', "scan for tags, retry $_", |
| 156 |
|
'D6 00 0F FE 00 00 05 ', sub { # 01 E00401003123AA26 941A # seen, serial length: 8 |
| 157 |
|
my $rest = shift || die "no rest?"; |
| 158 |
|
my $nr = ord( substr( $rest, 0, 1 ) ); |
| 159 |
|
|
| 160 |
|
if ( ! $nr ) { |
| 161 |
|
print "no tags in range\n"; |
| 162 |
|
update_visible_tags(); |
| 163 |
|
meteor( 'info-none-in-range' ); |
| 164 |
|
$tags_data = {}; |
| 165 |
|
} else { |
| 166 |
|
|
| 167 |
|
my $tags = substr( $rest, 1 ); |
| 168 |
|
|
| 169 |
|
my $tl = length( $tags ); |
| 170 |
|
die "wrong length $tl for $nr tags: ",dump( $tags ) if $tl =! $nr * 8; |
| 171 |
|
|
| 172 |
|
my @tags; |
| 173 |
|
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 ); |
| 174 |
|
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
| 175 |
|
print "$nr tags in range: ", join(',', @tags ) , "\n"; |
| 176 |
|
|
| 177 |
|
meteor( 'info-in-range', join(' ',@tags)); |
| 178 |
|
|
| 179 |
|
update_visible_tags( @tags ); |
| 180 |
|
} |
| 181 |
|
} |
| 182 |
|
) while(1); |
| 183 |
|
#) foreach ( 1 .. 100 ); |
| 184 |
|
|
| 185 |
|
|
| 186 |
|
|
| 187 |
|
sub update_visible_tags { |
| 188 |
|
my @tags = @_; |
| 189 |
|
|
| 190 |
|
my $last_visible_tags = $visible_tags; |
| 191 |
|
$visible_tags = {}; |
| 192 |
|
|
| 193 |
|
foreach my $tag ( @tags ) { |
| 194 |
|
if ( ! defined $last_visible_tags->{$tag} ) { |
| 195 |
|
if ( defined $tags_data->{$tag} ) { |
| 196 |
|
# meteor( 'in-range', $tag ); |
| 197 |
|
} else { |
| 198 |
|
meteor( 'read', $tag ); |
| 199 |
|
read_tag( $tag ); |
| 200 |
|
} |
| 201 |
|
$visible_tags->{$tag}++; |
| 202 |
|
} else { |
| 203 |
|
warn "## using cached data for $tag" if $debug; |
| 204 |
|
} |
| 205 |
|
delete $last_visible_tags->{$tag}; # leave just missing tags |
| 206 |
|
|
| 207 |
|
if ( -e "$program_path/$tag" ) { |
| 208 |
|
meteor( 'write', $tag ); |
| 209 |
|
write_tag( $tag ); |
| 210 |
|
} |
| 211 |
|
if ( -e "$secure_path/$tag" ) { |
| 212 |
|
meteor( 'secure', $tag ); |
| 213 |
|
secure_tag( $tag ); |
| 214 |
|
} |
| 215 |
|
} |
| 216 |
|
|
| 217 |
|
foreach my $tag ( keys %$last_visible_tags ) { |
| 218 |
|
my $data = delete $tags_data->{$tag}; |
| 219 |
|
print "removed tag $tag with data ",dump( $data ),"\n"; |
| 220 |
|
meteor( 'removed', $tag ); |
| 221 |
|
} |
| 222 |
|
|
| 223 |
|
warn "## update_visible_tags(",dump( @tags ),") = ",dump( $visible_tags )," removed: ",dump( $last_visible_tags ), " data: ",dump( $tags_data ) if $debug; |
| 224 |
} |
} |
| 225 |
|
|
| 226 |
cmd( 'D5 00 05 04 00 11 8C66', 'hw version?', |
my $tag_data_block; |
|
'D5 00 09 04 00 11 0A 05 00 02 7250 -- hw 10.5.0.2' ); |
|
| 227 |
|
|
| 228 |
cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','stats?' ); |
sub read_tag_data { |
| 229 |
# D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778 |
my ($start_block,$rest) = @_; |
| 230 |
|
die "no rest?" unless $rest; |
| 231 |
|
warn "## DATA [$start_block] ", dump( $rest ) if $debug; |
| 232 |
|
my $tag = uc(unpack('H16',substr( $rest, 0, 8 ))); |
| 233 |
|
my $blocks = ord(substr($rest,8,1)); |
| 234 |
|
$rest = substr($rest,9); # leave just data blocks |
| 235 |
|
foreach my $nr ( 0 .. $blocks - 1 ) { |
| 236 |
|
my $block = substr( $rest, $nr * 6, 6 ); |
| 237 |
|
warn "## block ",as_hex( $block ) if $debug; |
| 238 |
|
my $ord = unpack('v',substr( $block, 0, 2 )); |
| 239 |
|
my $expected_ord = $nr + $start_block; |
| 240 |
|
die "got block $ord, expected block $expected_ord from ",dump( $block ) if $ord != $expected_ord; |
| 241 |
|
my $data = substr( $block, 2 ); |
| 242 |
|
die "data payload should be 4 bytes" if length($data) != 4; |
| 243 |
|
warn sprintf "## tag %9s %02d %s |%-4s|\n", $tag, $ord, as_hex( $data ), $data; |
| 244 |
|
$tag_data_block->{$tag}->[ $ord ] = $data; |
| 245 |
|
} |
| 246 |
|
$tags_data->{ $tag } = join('', @{ $tag_data_block->{$tag} }); |
| 247 |
|
|
| 248 |
|
my $item_type_nr = ord(substr( $tags_data->{$tag}, 3, 1 )); |
| 249 |
|
print "DATA $tag ",dump( $tags_data ), " item type: ", ( $item_type->{ $item_type_nr } || "UNKWOWN '$item_type_nr' in " . dump( $item_type ) ), "\n"; |
| 250 |
|
} |
| 251 |
|
|
| 252 |
cmd( 'D6 00 05 FE 00 05 FA40', "XXX scan $_", |
sub read_tag { |
| 253 |
'D6 00 07 FE 00 00 05 00 C97B -- no tag' ) foreach ( 1 .. 10 ); |
my ( $tag ) = @_; |
| 254 |
|
|
| 255 |
# D6 00 0F FE 00 00 05 01 E00401003123AA26 941A # seen |
confess "no tag?" unless $tag; |
| 256 |
|
|
| 257 |
cmd( 'D6 00 0D 02 E00401003123AA26 00 03 1CC4', 'read offset: 0 blocks: 3' ); |
print "read_tag $tag\n"; |
| 258 |
|
|
| 259 |
# 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( |
| 260 |
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 0D 02 $tag 00 03 1CC4", "read $tag offset: 0 blocks: 3", |
| 261 |
|
"D6 00 0F FE 00 00 05 01 $tag 941A", sub { |
| 262 |
|
print "FIXME: tag $tag ready?\n"; |
| 263 |
|
}, |
| 264 |
|
"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"; |
| 265 |
|
read_tag_data( 0, @_ ); |
| 266 |
|
}, |
| 267 |
|
); |
| 268 |
|
|
| 269 |
|
cmd( |
| 270 |
|
"D6 00 0D 02 $tag 03 04 3970", "read $tag offset: 3 blocks: 4", |
| 271 |
|
"D6 00 25 02 00", sub { # $tag 04 03 00 30 30 00 00 04 00 00 00 00 00 |
| 272 |
|
read_tag_data( 3, @_ ); |
| 273 |
|
} |
| 274 |
|
); |
| 275 |
|
|
| 276 |
|
my $security; |
| 277 |
|
|
| 278 |
|
cmd( |
| 279 |
|
"D6 00 0B 0A $tag 1234", "check security $tag", |
| 280 |
|
"D6 00 0D 0A 00", sub { |
| 281 |
|
my $rest = shift; |
| 282 |
|
my $from_tag; |
| 283 |
|
( $from_tag, $security ) = ( substr($rest,0,8), substr($rest,8,1) ); |
| 284 |
|
die "security from other tag: ",as_hex( $from_tag ) if $from_tag ne str2bytes( $tag ); |
| 285 |
|
$security = as_hex( $security ); |
| 286 |
|
warn "# SECURITY $tag = $security\n"; |
| 287 |
|
} |
| 288 |
|
); |
| 289 |
|
|
| 290 |
|
my $data = $tags_data->{$tag} || die "no data for $tag"; |
| 291 |
|
my ( $u1, $set_item, $u2, $type, $content, $br_lib, $custom ) = unpack('C4Z16Nl>',$data); |
| 292 |
|
my $set = ( $set_item & 0xf0 ) >> 4; |
| 293 |
|
my $total = ( $set_item & 0x0f ); |
| 294 |
|
my $branch = $br_lib >> 20; |
| 295 |
|
my $library = $br_lib & 0x000fffff; |
| 296 |
|
print "TAG $tag [$u1] set: $set/$total [$u2] type: $type '$content' branch: $branch library: $library custom: $custom security: $security\n"; |
| 297 |
|
|
| 298 |
|
} |
| 299 |
|
|
| 300 |
cmd( 'D6 00 0D 02 E00401003123AA26 03 04 3970', 'read offset: 3 blocks: 4' ); |
sub write_tag { |
| 301 |
|
my ($tag) = @_; |
| 302 |
|
|
| 303 |
|
my $path = "$program_path/$tag"; |
| 304 |
|
|
| 305 |
|
my $data = read_file( $path ); |
| 306 |
|
|
| 307 |
|
$data = substr($data,0,16); |
| 308 |
|
|
| 309 |
|
my $hex_data = unpack('h*', $data) . ' 00' x ( 16 - length($data) ); |
| 310 |
|
|
| 311 |
|
print "write_tag $tag = $data ",dump( $hex_data ); |
| 312 |
|
|
| 313 |
|
cmd( |
| 314 |
|
"d6 00 26 04 $tag 00 06 00 04 11 00 01 $hex_data 00 00 00 00 fd3b", "write $tag", |
| 315 |
|
"d6 00 0d 04 00 $tag 06 afb1", sub { assert() }, |
| 316 |
|
) foreach ( 1 .. 3 ); # xxx 3m software does this three times! |
| 317 |
|
|
| 318 |
|
my $to = $path; |
| 319 |
|
$to .= '.' . time(); |
| 320 |
|
|
| 321 |
|
rename $path, $to; |
| 322 |
|
print ">> $to\n"; |
| 323 |
|
|
| 324 |
|
delete $tags_data->{$tag}; # force re-read of tag |
| 325 |
|
} |
| 326 |
|
|
| 327 |
# D6 00 25 02 00 E00401003123AA26 04 03 00 30 30 00 00 04 00 00 00 00 00 |
sub secure_tag { |
| 328 |
# 05 00 00 00 00 00 06 00 00 00 00 00 B9BA |
my ($tag) = @_; |
| 329 |
warn "D6 00 25 02 00 E00401003123AA26 04 03 00 39 30 31 32 04 00 33 34 35 36 |
|
| 330 |
05 00 00 00 00 00 06 00 00 00 00 00 524B\n"; |
my $path = "$secure_path/$tag"; |
| 331 |
warn "D6 00 0F FE 00 00 05 01 E00401003123AA26 941A ##### ready?\n"; |
my $data = substr(read_file( $path ),0,2); |
| 332 |
|
|
| 333 |
|
cmd( |
| 334 |
|
"d6 00 0c 09 $tag $data 1234", "secure $tag -> $data", |
| 335 |
|
"d6 00 0c 09 00 $tag 1234", sub { assert() }, |
| 336 |
|
); |
| 337 |
|
|
| 338 |
|
my $to = $path; |
| 339 |
|
$to .= '.' . time(); |
| 340 |
|
|
| 341 |
|
rename $path, $to; |
| 342 |
|
print ">> $to\n"; |
| 343 |
|
} |
| 344 |
|
|
| 345 |
|
exit; |
| 346 |
|
|
| 347 |
for ( 1 .. 3 ) { |
for ( 1 .. 3 ) { |
| 348 |
|
|
| 373 |
sub writechunk |
sub writechunk |
| 374 |
{ |
{ |
| 375 |
my $str=shift; |
my $str=shift; |
|
|
|
| 376 |
my $count = $port->write($str); |
my $count = $port->write($str); |
| 377 |
print ">> ", as_hex( $str ), "\t[$count]\n"; |
print "#> ", as_hex( $str ), "\t[$count]\n" if $debug; |
| 378 |
} |
} |
| 379 |
|
|
| 380 |
sub as_hex { |
sub as_hex { |
| 381 |
my @out; |
my @out; |
| 382 |
foreach my $str ( @_ ) { |
foreach my $str ( @_ ) { |
| 383 |
my $hex = unpack( 'H*', $str ); |
my $hex = unpack( 'H*', $str ); |
| 384 |
$hex =~ s/(..)/$1 /g; |
$hex =~ s/(..)/$1 /g if length( $str ) > 2; |
| 385 |
|
$hex =~ s/\s+$//; |
| 386 |
push @out, $hex; |
push @out, $hex; |
| 387 |
} |
} |
| 388 |
return join(' ', @out); |
return join(' | ', @out); |
| 389 |
} |
} |
| 390 |
|
|
| 391 |
sub read_bytes { |
sub read_bytes { |
| 393 |
my $data = ''; |
my $data = ''; |
| 394 |
while ( length( $data ) < $len ) { |
while ( length( $data ) < $len ) { |
| 395 |
my ( $c, $b ) = $port->read(1); |
my ( $c, $b ) = $port->read(1); |
| 396 |
|
die "no bytes on port: $!" unless defined $b; |
| 397 |
#warn "## got $c bytes: ", as_hex($b), "\n"; |
#warn "## got $c bytes: ", as_hex($b), "\n"; |
| 398 |
$data .= $b; |
$data .= $b; |
| 399 |
} |
} |
| 400 |
$desc ||= '?'; |
$desc ||= '?'; |
| 401 |
warn "#< ", as_hex($data), "\t$desc\n"; |
warn "#< ", as_hex($data), "\t$desc\n" if $debug; |
| 402 |
return $data; |
return $data; |
| 403 |
} |
} |
| 404 |
|
|
| 405 |
|
our $assert; |
| 406 |
|
|
| 407 |
|
# my $rest = skip_assert( 3 ); |
| 408 |
|
sub skip_assert { |
| 409 |
|
assert( 0, shift ); |
| 410 |
|
} |
| 411 |
|
|
| 412 |
|
sub assert { |
| 413 |
|
my ( $from, $to ) = @_; |
| 414 |
|
|
| 415 |
|
$from ||= 0; |
| 416 |
|
$to = length( $assert->{expect} ) if ! defined $to; |
| 417 |
|
|
| 418 |
|
my $p = substr( $assert->{payload}, $from, $to ); |
| 419 |
|
my $e = substr( $assert->{expect}, $from, $to ); |
| 420 |
|
warn "EXPECTED ",as_hex($e), " GOT ", as_hex($p), " [$from-$to] in ",dump( $assert ), "\n" if $e ne $p; |
| 421 |
|
|
| 422 |
|
# return the rest |
| 423 |
|
return substr( $assert->{payload}, $to ); |
| 424 |
|
} |
| 425 |
|
|
| 426 |
|
use Digest::CRC; |
| 427 |
|
|
| 428 |
|
sub crcccitt { |
| 429 |
|
my $bytes = shift; |
| 430 |
|
my $crc = Digest::CRC->new( |
| 431 |
|
# midified CCITT to xor with 0xffff instead of 0x0000 |
| 432 |
|
width => 16, init => 0xffff, xorout => 0xffff, refout => 0, poly => 0x1021, refin => 0, |
| 433 |
|
) or die $!; |
| 434 |
|
$crc->add( $bytes ); |
| 435 |
|
pack('n', $crc->digest); |
| 436 |
|
} |
| 437 |
|
|
| 438 |
|
# my $checksum = checksum( $bytes ); |
| 439 |
|
# my $checksum = checksum( $bytes, $original_checksum ); |
| 440 |
|
sub checksum { |
| 441 |
|
my ( $bytes, $checksum ) = @_; |
| 442 |
|
|
| 443 |
|
my $xor = crcccitt( substr($bytes,1) ); # skip D6 |
| 444 |
|
warn "## checksum ",dump( $bytes, $xor, $checksum ) if $debug; |
| 445 |
|
|
| 446 |
|
my $len = ord(substr($bytes,2,1)); |
| 447 |
|
my $len_real = length($bytes) - 1; |
| 448 |
|
|
| 449 |
|
if ( $len_real != $len ) { |
| 450 |
|
print "length wrong: $len_real != $len\n"; |
| 451 |
|
$bytes = substr($bytes,0,2) . chr($len_real) . substr($bytes,4); |
| 452 |
|
} |
| 453 |
|
|
| 454 |
|
if ( defined $checksum && $xor ne $checksum ) { |
| 455 |
|
print "checksum doesn't match: ", as_hex($xor), " != ", as_hex($checksum), " data: ", as_hex($bytes), "\n"; |
| 456 |
|
return $bytes . $xor; |
| 457 |
|
} |
| 458 |
|
return $bytes . $checksum; |
| 459 |
|
} |
| 460 |
|
|
| 461 |
|
our $dispatch; |
| 462 |
|
|
| 463 |
sub readchunk { |
sub readchunk { |
| 464 |
|
sleep 1; # FIXME remove |
| 465 |
|
|
| 466 |
# read header of packet |
# read header of packet |
| 467 |
my $header = read_bytes( 2, 'header' ); |
my $header = read_bytes( 2, 'header' ); |
| 468 |
my $len = ord( read_bytes( 1, 'length' ) ); |
my $length = read_bytes( 1, 'length' ); |
| 469 |
|
my $len = ord($length); |
| 470 |
my $data = read_bytes( $len, 'data' ); |
my $data = read_bytes( $len, 'data' ); |
| 471 |
|
|
| 472 |
warn "<< ",as_hex( $header, ), " [$len] ", as_hex( $data ), "\n"; |
my $payload = substr( $data, 0, -2 ); |
| 473 |
|
my $payload_len = length($data); |
| 474 |
|
warn "## payload too short $payload_len != $len\n" if $payload_len != $len; |
| 475 |
|
|
| 476 |
|
my $checksum = substr( $data, -2, 2 ); |
| 477 |
|
checksum( $header . $length . $payload , $checksum ); |
| 478 |
|
|
| 479 |
|
print "<< ",as_hex( $header ), " [$len] ", as_hex( $payload ), " | sum: ",as_hex($checksum),"\n" if $verbose; |
| 480 |
|
|
| 481 |
|
$assert->{len} = $len; |
| 482 |
|
$assert->{payload} = $payload; |
| 483 |
|
|
| 484 |
|
my $full = $header . $length . $data; # full |
| 485 |
|
# find longest match for incomming data |
| 486 |
|
my ($to) = grep { |
| 487 |
|
my $match = substr($payload,0,length($_)); |
| 488 |
|
m/^\Q$match\E/ |
| 489 |
|
} sort { length($a) <=> length($b) } keys %$dispatch; |
| 490 |
|
warn "?? payload dispatch to ",dump( $payload, $dispatch, $to ) if $debug; |
| 491 |
|
|
| 492 |
|
if ( defined $to ) { |
| 493 |
|
my $rest = substr( $payload, length($to) ); |
| 494 |
|
warn "## DISPATCH payload to with rest", dump( $payload, $to, $rest ) if $debug; |
| 495 |
|
$dispatch->{ $to }->( $rest ); |
| 496 |
|
} else { |
| 497 |
|
print "NO DISPATCH for ",dump( $full ),"\n"; |
| 498 |
|
} |
| 499 |
|
|
| 500 |
|
return $data; |
| 501 |
|
} |
| 502 |
|
|
| 503 |
|
sub str2bytes { |
| 504 |
|
my $str = shift || confess "no str?"; |
| 505 |
|
my $b = $str; |
| 506 |
|
$b =~ s/\s+//g; |
| 507 |
|
$b =~ s/(..)/\\x$1/g; |
| 508 |
|
$b = "\"$b\""; |
| 509 |
|
my $bytes = eval $b; |
| 510 |
|
die $@ if $@; |
| 511 |
|
warn "## str2bytes( $str ) => $b => ",as_hex($bytes) if $debug; |
| 512 |
|
return $bytes; |
| 513 |
|
} |
| 514 |
|
|
| 515 |
|
sub cmd { |
| 516 |
|
my $cmd = shift || confess "no cmd?"; |
| 517 |
|
my $cmd_desc = shift || confess "no description?"; |
| 518 |
|
my @expect = @_; |
| 519 |
|
|
| 520 |
|
my $bytes = str2bytes( $cmd ); |
| 521 |
|
|
| 522 |
|
# fix checksum if needed |
| 523 |
|
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) ); |
| 524 |
|
|
| 525 |
|
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n" if $verbose; |
| 526 |
|
$assert->{send} = $cmd; |
| 527 |
|
writechunk( $bytes ); |
| 528 |
|
|
| 529 |
|
while ( @expect ) { |
| 530 |
|
my $pattern = str2bytes( shift @expect ) || confess "no pattern?"; |
| 531 |
|
my $coderef = shift @expect || confess "no coderef?"; |
| 532 |
|
confess "not coderef" unless ref $coderef eq 'CODE'; |
| 533 |
|
|
| 534 |
|
next if defined $dispatch->{ $pattern }; |
| 535 |
|
|
| 536 |
|
$dispatch->{ substr($pattern,3) } = $coderef; |
| 537 |
|
warn "++ dispatch ", as_hex($pattern) ,dump( $dispatch ) if $debug; |
| 538 |
|
} |
| 539 |
|
|
| 540 |
sleep 1; |
readchunk; |
| 541 |
} |
} |
| 542 |
|
|
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