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 |
|
|
11 |
my $debug = 0; |
my $debug = 0; |
12 |
|
|
13 |
|
my $device = "/dev/ttyUSB0"; |
14 |
|
my $baudrate = "19200"; |
15 |
|
my $databits = "8"; |
16 |
|
my $parity = "none"; |
17 |
|
my $stopbits = "1"; |
18 |
|
my $handshake = "none"; |
19 |
|
|
20 |
my $response = { |
my $response = { |
21 |
'd500090400110a0500027250' => 'version?', |
'd500090400110a0500027250' => 'version?', |
22 |
'd60007fe00000500c97b' => 'no tag in range', |
'd60007fe00000500c97b' => 'no tag in range', |
29 |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe', |
30 |
}; |
}; |
31 |
|
|
32 |
|
GetOptions( |
33 |
|
'd|debug+' => \$debug, |
34 |
|
'device=s' => \$device, |
35 |
|
'baudrate=i' => \$baudrate, |
36 |
|
'databits=i' => \$databits, |
37 |
|
'parity=s' => \$parity, |
38 |
|
'stopbits=i' => \$stopbits, |
39 |
|
'handshake=s' => \$handshake, |
40 |
|
) or die $!; |
41 |
|
|
42 |
=head1 NAME |
=head1 NAME |
43 |
|
|
44 |
3m-810 - support for 3M 810 RFID reader |
3m-810 - support for 3M 810 RFID reader |
45 |
|
|
46 |
=head1 SYNOPSIS |
=head1 SYNOPSIS |
47 |
|
|
48 |
3m-810.pl [DEVICE [BAUD [DATA [PARITY [STOP [FLOW]]]]]] |
3m-810.pl --device /dev/ttyUSB0 |
49 |
|
|
50 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
51 |
|
|
57 |
|
|
58 |
L<perl(1)> |
L<perl(1)> |
59 |
|
|
60 |
|
L<http://stackoverflow.com/questions/149617/how-could-i-guess-a-checksum-algorithm> |
61 |
|
|
62 |
=head1 AUTHOR |
=head1 AUTHOR |
63 |
|
|
64 |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
Dobrica Pavlinusic <dpavlin@rot13.org> L<http://www.rot13.org/~dpavlin/> |
70 |
|
|
71 |
=cut |
=cut |
72 |
|
|
73 |
# your serial port. |
my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n"; |
74 |
my ($device,$baudrate,$databits,$parity,$stopbits,$handshake)=@ARGV; |
warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug; |
|
$device ||= "/dev/ttyUSB0"; |
|
|
$baudrate ||= "19200"; |
|
|
$databits ||= "8"; |
|
|
$parity ||= "none"; |
|
|
$stopbits ||= "1"; |
|
|
$handshake ||= "none"; |
|
|
|
|
|
my $port=new Device::SerialPort($device) || die "new($device): $!\n"; |
|
75 |
$handshake=$port->handshake($handshake); |
$handshake=$port->handshake($handshake); |
76 |
$baudrate=$port->baudrate($baudrate); |
$baudrate=$port->baudrate($baudrate); |
77 |
$databits=$port->databits($databits); |
$databits=$port->databits($databits); |
114 |
die "wrong length $tl for $nr tags: ",dump( $tags ) if $tl =! $nr * 8; |
die "wrong length $tl for $nr tags: ",dump( $tags ) if $tl =! $nr * 8; |
115 |
|
|
116 |
my @tags; |
my @tags; |
117 |
push @tags, substr($tags, $_ * 8, 8) foreach ( 0 .. $nr - 1 ); |
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 ); |
118 |
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
119 |
print "seen $nr tags: ", join(',', map { unpack('H16', $_) } @tags ) , "\n"; |
print "seen $nr tags: ", join(',', @tags ) , "\n"; |
120 |
|
|
121 |
|
# read data from tag |
122 |
|
read_tag( $_ ) foreach @tags; |
123 |
|
|
124 |
} |
} |
125 |
) } |
) } |
126 |
|
|
127 |
) foreach ( 1 .. 100 ); |
) foreach ( 1 .. 100 ); |
128 |
|
|
129 |
cmd( 'D6 00 0D 02 E00401003123AA26 00 03 1CC4', 'read offset: 0 blocks: 3' ); |
my $read_cached; |
130 |
|
|
131 |
|
sub read_tag { |
132 |
|
my ( $tag ) = @_; |
133 |
|
|
134 |
|
print "read_tag $tag\n"; |
135 |
|
return if $read_cached->{ $tag }++; |
136 |
|
|
137 |
# 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( "D6 00 0D 02 $tag 00 03 1CC4", 'read $tag offset: 0 blocks: 3', |
138 |
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 0F FE 00 00 05 01 $tag 941A", "$tag ready?", sub { |
139 |
|
dispatch( "D6 00 1F 02 00 $tag ", sub { # 03 00 00 04 11 00 01 01 00 31 32 33 34 02 00 35 36 37 38 531F\n"; |
140 |
|
my $rest = shift || die "no rest?"; |
141 |
|
warn "## DATA ", dump( $rest ) if $debug; |
142 |
|
my $blocks = ord(substr($rest,0,1)); |
143 |
|
my @data; |
144 |
|
foreach my $nr ( 0 .. $blocks - 1 ) { |
145 |
|
my $block = substr( $rest, 1 + $nr * 6, 6 ); |
146 |
|
warn "## block ",as_hex( $block ) if $debug; |
147 |
|
my $ord = unpack('v',substr( $block, 0, 2 )); |
148 |
|
die "got block $ord, expected block $nr from ",dump( $block ) if $ord != $nr; |
149 |
|
my $data = substr( $block, 2 ); |
150 |
|
die "data payload should be 4 bytes" if length($data) != 4; |
151 |
|
warn sprintf "## tag %08s %02d %s |%-4s|\n", $tag, $ord, as_hex( $data ), $data; |
152 |
|
$data[ $ord ] = $data; |
153 |
|
} |
154 |
|
$read_cached->{ $tag } = join('', @data); |
155 |
|
print "DATA $tag ",dump( $read_cached->{ $tag } ), "\n"; |
156 |
|
}) |
157 |
|
}); |
158 |
|
|
159 |
|
# D6 00 1F 02 00 $tag 03 00 00 04 11 00 01 01 00 30 30 30 30 02 00 30 30 30 30 E5F4 |
160 |
|
if (0) { |
161 |
|
cmd( "D6 00 0D 02 $tag 03 04 3970", 'read offset: 3 blocks: 4' ); |
162 |
|
|
163 |
|
# D6 00 25 02 00 $tag 04 03 00 30 30 00 00 04 00 00 00 00 00 |
164 |
|
# $tag 05 00 00 00 00 00 06 00 00 00 00 00 B9BA |
165 |
|
warn "?? D6 00 25 02 00 $tag 04 03 00 39 30 31 32 04 00 ....\n"; |
166 |
|
} |
167 |
|
warn "?? D6 00 0F FE 00 00 05 01 $tag 941A ##### ready?\n"; |
168 |
|
|
169 |
cmd( 'D6 00 0D 02 E00401003123AA26 03 04 3970', 'read offset: 3 blocks: 4' ); |
} |
170 |
|
|
171 |
# 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"; |
|
172 |
|
|
173 |
for ( 1 .. 3 ) { |
for ( 1 .. 3 ) { |
174 |
|
|
200 |
{ |
{ |
201 |
my $str=shift; |
my $str=shift; |
202 |
my $count = $port->write($str); |
my $count = $port->write($str); |
203 |
print "#> ", as_hex( $str ), "\t[$count]\n"; |
print "#> ", as_hex( $str ), "\t[$count]\n" if $debug; |
204 |
} |
} |
205 |
|
|
206 |
sub as_hex { |
sub as_hex { |
251 |
our $dispatch; |
our $dispatch; |
252 |
sub dispatch { |
sub dispatch { |
253 |
my ( $pattern, $coderef ) = @_; |
my ( $pattern, $coderef ) = @_; |
254 |
|
|
255 |
|
$dispatch->{ $pattern } = $coderef; |
256 |
|
|
257 |
my $patt = substr( str2bytes($pattern), 3 ); # just payload |
my $patt = substr( str2bytes($pattern), 3 ); # just payload |
258 |
my $l = length($patt); |
my $l = length($patt); |
259 |
my $p = substr( $assert->{payload}, 0, $l ); |
my $p = substr( $assert->{payload}, 0, $l ); |
269 |
} |
} |
270 |
} |
} |
271 |
|
|
272 |
|
use Digest::CRC; |
273 |
|
|
274 |
|
sub crcccitt { |
275 |
|
my $bytes = shift; |
276 |
|
my $crc = Digest::CRC->new( |
277 |
|
# midified CCITT to xor with 0xffff instead of 0x0000 |
278 |
|
width => 16, init => 0xffff, xorout => 0xffff, refout => 0, poly => 0x1021, refin => 0, |
279 |
|
) or die $!; |
280 |
|
$crc->add( $bytes ); |
281 |
|
pack('n', $crc->digest); |
282 |
|
} |
283 |
|
|
284 |
# my $checksum = checksum( $bytes ); |
# my $checksum = checksum( $bytes ); |
285 |
# my $checksum = checksum( $bytes, $original_checksum ); |
# my $checksum = checksum( $bytes, $original_checksum ); |
286 |
sub checksum { |
sub checksum { |
287 |
my ( $bytes, $checksum ) = @_; |
my ( $bytes, $checksum ) = @_; |
288 |
|
|
289 |
my $xor = $checksum; # FIXME |
my $xor = crcccitt( substr($bytes,1) ); # skip D6 |
290 |
|
warn "## checksum ",dump( $bytes, $xor, $checksum ) if $debug; |
291 |
|
|
292 |
|
my $len = ord(substr($bytes,2,1)); |
293 |
|
my $len_real = length($bytes) - 1; |
294 |
|
|
295 |
|
if ( $len_real != $len ) { |
296 |
|
print "length wrong: $len_real != $len\n"; |
297 |
|
$bytes = substr($bytes,0,2) . chr($len_real) . substr($bytes,4); |
298 |
|
} |
299 |
|
|
300 |
if ( defined $checksum && $xor ne $checksum ) { |
if ( defined $checksum && $xor ne $checksum ) { |
301 |
print "checksum doesn't match: ", as_hex($xor), " != ", as_hex($checksum), " data: ", as_hex($bytes), "\n"; |
print "checksum doesn't match: ", as_hex($xor), " != ", as_hex($checksum), " data: ", as_hex($bytes), "\n"; |
302 |
|
return $bytes . $xor; |
303 |
} |
} |
304 |
|
return $bytes . $checksum; |
305 |
} |
} |
306 |
|
|
307 |
sub readchunk { |
sub readchunk { |
335 |
sub str2bytes { |
sub str2bytes { |
336 |
my $str = shift || confess "no str?"; |
my $str = shift || confess "no str?"; |
337 |
my $b = $str; |
my $b = $str; |
338 |
$b =~ s/\s+(\S\S)(\S\S)+\s*/ $1 $2/; # fix checksum |
$b =~ s/\s+//g; |
339 |
$b =~ s/\s+$//; |
$b =~ s/(..)/\\x$1/g; |
340 |
$b =~ s/\s+/\\x/g; |
$b = "\"$b\""; |
|
$b = '"\x' . $b . '"'; |
|
341 |
my $bytes = eval $b; |
my $bytes = eval $b; |
342 |
die $@ if $@; |
die $@ if $@; |
343 |
warn "## str2bytes( $str ) => $b => ",as_hex($bytes) if $debug; |
warn "## str2bytes( $str ) => $b => ",as_hex($bytes) if $debug; |
348 |
my ( $cmd, $cmd_desc, $expect, $expect_desc, $coderef ) = @_; |
my ( $cmd, $cmd_desc, $expect, $expect_desc, $coderef ) = @_; |
349 |
my $bytes = str2bytes( $cmd ); |
my $bytes = str2bytes( $cmd ); |
350 |
|
|
351 |
|
# fix checksum if needed |
352 |
|
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) ); |
353 |
|
|
354 |
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n"; |
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n"; |
355 |
$assert->{send} = $cmd; |
$assert->{send} = $cmd; |
356 |
writechunk( $bytes ); |
writechunk( $bytes ); |