30 |
}; |
}; |
31 |
|
|
32 |
GetOptions( |
GetOptions( |
33 |
'd|debug+' => \$debug, |
'd|debug+' => \$debug, |
34 |
'device=s' => \$device, |
'device=s' => \$device, |
35 |
'baudrate=i' => \$baudrate, |
'baudrate=i' => \$baudrate, |
36 |
'databits=i' => \$databits, |
'databits=i' => \$databits, |
39 |
'handshake=s' => \$handshake, |
'handshake=s' => \$handshake, |
40 |
) or die $!; |
) or die $!; |
41 |
|
|
42 |
|
my $verbose = $debug > 0 ? $debug-- : 0; |
43 |
|
|
44 |
=head1 NAME |
=head1 NAME |
45 |
|
|
46 |
3m-810 - support for 3M 810 RFID reader |
3m-810 - support for 3M 810 RFID reader |
72 |
|
|
73 |
=cut |
=cut |
74 |
|
|
|
my $tags_data; |
|
|
my $visible_tags; |
|
|
|
|
75 |
my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n"; |
my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n"; |
76 |
warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug; |
warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug; |
77 |
$handshake=$port->handshake($handshake); |
$handshake=$port->handshake($handshake); |
80 |
$parity=$port->parity($parity); |
$parity=$port->parity($parity); |
81 |
$stopbits=$port->stopbits($stopbits); |
$stopbits=$port->stopbits($stopbits); |
82 |
|
|
83 |
print "## using $device $baudrate $databits $parity $stopbits\n"; |
print "## using $device $baudrate $databits $parity $stopbits debug: $debug verbose: $verbose\n"; |
84 |
|
|
85 |
# Just in case: reset our timing and buffers |
# Just in case: reset our timing and buffers |
86 |
$port->lookclear(); |
$port->lookclear(); |
104 |
# start scanning for tags |
# start scanning for tags |
105 |
|
|
106 |
cmd( 'D6 00 05 FE 00 05 FA40', "scan for tags, retry $_", |
cmd( 'D6 00 05 FE 00 05 FA40', "scan for tags, retry $_", |
|
'D6 00 07 FE 00 00 05 00 C97B', sub { |
|
|
assert(); |
|
|
print "no tag in range\n"; |
|
|
|
|
|
}, |
|
107 |
'D6 00 0F FE 00 00 05 ', sub { # 01 E00401003123AA26 941A # seen, serial length: 8 |
'D6 00 0F FE 00 00 05 ', sub { # 01 E00401003123AA26 941A # seen, serial length: 8 |
108 |
my $rest = shift || die "no rest?"; |
my $rest = shift || die "no rest?"; |
109 |
my $nr = ord( substr( $rest, 0, 1 ) ); |
my $nr = ord( substr( $rest, 0, 1 ) ); |
110 |
|
|
111 |
if ( ! $nr ) { |
if ( ! $nr ) { |
112 |
print "no tags in range\n"; |
print "no tags in range\n"; |
113 |
|
update_visible_tags(); |
114 |
} else { |
} else { |
115 |
|
|
116 |
my $tags = substr( $rest, 1 ); |
my $tags = substr( $rest, 1 ); |
121 |
my @tags; |
my @tags; |
122 |
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 ); |
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 ); |
123 |
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug; |
124 |
print "seen $nr tags: ", join(',', @tags ) , "\n"; |
print "$nr tags in range: ", join(',', @tags ) , "\n"; |
|
|
|
|
my $removed_tags = $visible_tags; |
|
|
$visible_tags = {}; |
|
125 |
|
|
126 |
foreach my $tag ( @tags ) { |
update_visible_tags( @tags ); |
|
next if $visible_tags->{$tag}++; |
|
|
read_tag( $tag ); |
|
|
if ( delete $removed_tags->{$tag} ) { |
|
|
print "removed tag $tag\n"; |
|
|
} |
|
|
} |
|
127 |
|
|
128 |
} |
} |
129 |
} |
} |
130 |
) foreach ( 1 .. 100 ); |
) foreach ( 1 .. 100 ); |
131 |
|
|
132 |
|
|
133 |
|
|
134 |
|
my $tags_data; |
135 |
|
my $visible_tags; |
136 |
|
|
137 |
|
sub update_visible_tags { |
138 |
|
my @tags = @_; |
139 |
|
|
140 |
|
my $last_visible_tags = $visible_tags; |
141 |
|
$visible_tags = {}; |
142 |
|
|
143 |
|
foreach my $tag ( @tags ) { |
144 |
|
if ( ! defined $last_visible_tags->{$tag} ) { |
145 |
|
read_tag( $tag ); |
146 |
|
$visible_tags->{$tag}++; |
147 |
|
} else { |
148 |
|
warn "## using cached data for $tag" if $debug; |
149 |
|
} |
150 |
|
delete $last_visible_tags->{$tag}; # leave just missing tags |
151 |
|
} |
152 |
|
|
153 |
|
foreach my $tag ( keys %$last_visible_tags ) { |
154 |
|
print "removed tag $tag with data ",dump( delete $tags_data->{$tag} ),"\n"; |
155 |
|
} |
156 |
|
|
157 |
|
warn "## update_visible_tags(",dump( @tags ),") = ",dump( $visible_tags )," removed: ",dump( $last_visible_tags ), " data: ",dump( $tags_data ) if $debug; |
158 |
|
} |
159 |
|
|
160 |
|
|
161 |
sub read_tag { |
sub read_tag { |
162 |
my ( $tag ) = @_; |
my ( $tag ) = @_; |
163 |
|
|
164 |
|
confess "no tag?" unless $tag; |
165 |
|
|
166 |
|
return if defined $tags_data->{$tag}; |
167 |
|
|
168 |
print "read_tag $tag\n"; |
print "read_tag $tag\n"; |
169 |
|
|
170 |
cmd( |
cmd( |
339 |
my $checksum = substr( $data, -2, 2 ); |
my $checksum = substr( $data, -2, 2 ); |
340 |
checksum( $header . $length . $payload , $checksum ); |
checksum( $header . $length . $payload , $checksum ); |
341 |
|
|
342 |
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; |
343 |
|
|
344 |
$assert->{len} = $len; |
$assert->{len} = $len; |
345 |
$assert->{payload} = $payload; |
$assert->{payload} = $payload; |
385 |
# fix checksum if needed |
# fix checksum if needed |
386 |
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) ); |
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) ); |
387 |
|
|
388 |
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n"; |
warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n" if $verbose; |
389 |
$assert->{send} = $cmd; |
$assert->{send} = $cmd; |
390 |
writechunk( $bytes ); |
writechunk( $bytes ); |
391 |
|
|