--- 3m-810.pl 2008/10/03 12:31:58 18
+++ 3m-810.pl 2009/03/28 03:47:10 23
@@ -6,9 +6,27 @@
use Data::Dump qw/dump/;
use Carp qw/confess/;
+use Getopt::Long;
+
+use IO::Socket::INET;
+
+my $meteor = IO::Socket::INET->new( '192.168.1.13:4671' ) || die "can't connect to meteor: $!";
+
+sub meteor {
+ my ( $item, $html ) = @_;
+ warn ">> meteor $item $html\n";
+ print $meteor "ADDMESSAGE test $item|" . localtime() . "
$html\n";
+}
my $debug = 0;
+my $device = "/dev/ttyUSB0";
+my $baudrate = "19200";
+my $databits = "8";
+my $parity = "none";
+my $stopbits = "1";
+my $handshake = "none";
+
my $response = {
'd500090400110a0500027250' => 'version?',
'd60007fe00000500c97b' => 'no tag in range',
@@ -21,13 +39,25 @@
'd60017fe00000502e00401003123aa26e00401003123aa283124' => 'tag #1 + tag red-stripe',
};
+GetOptions(
+ 'd|debug+' => \$debug,
+ 'device=s' => \$device,
+ 'baudrate=i' => \$baudrate,
+ 'databits=i' => \$databits,
+ 'parity=s' => \$parity,
+ 'stopbits=i' => \$stopbits,
+ 'handshake=s' => \$handshake,
+) or die $!;
+
+my $verbose = $debug > 0 ? $debug-- : 0;
+
=head1 NAME
3m-810 - support for 3M 810 RFID reader
=head1 SYNOPSIS
-3m-810.pl [DEVICE [BAUD [DATA [PARITY [STOP [FLOW]]]]]]
+3m-810.pl --device /dev/ttyUSB0
=head1 DESCRIPTION
@@ -52,23 +82,18 @@
=cut
-# your serial port.
-my ($device,$baudrate,$databits,$parity,$stopbits,$handshake)=@ARGV;
-$device ||= "/dev/ttyUSB0";
-$baudrate ||= "19200";
-$databits ||= "8";
-$parity ||= "none";
-$stopbits ||= "1";
-$handshake ||= "none";
+my $tags_data;
+my $visible_tags;
-my $port=new Device::SerialPort($device) || die "new($device): $!\n";
+my $port=new Device::SerialPort($device) || die "can't open serial port $device: $!\n";
+warn "using $device $handshake $baudrate $databits $parity $stopbits" if $debug;
$handshake=$port->handshake($handshake);
$baudrate=$port->baudrate($baudrate);
$databits=$port->databits($databits);
$parity=$port->parity($parity);
$stopbits=$port->stopbits($stopbits);
-print "## using $device $baudrate $databits $parity $stopbits\n";
+print "## using $device $baudrate $databits $parity $stopbits debug: $debug verbose: $verbose\n";
# Just in case: reset our timing and buffers
$port->lookclear();
@@ -81,23 +106,29 @@
# initial hand-shake with device
-cmd( 'D5 00 05 04 00 11 8C66', 'hw version?',
- 'D5 00 09 04 00 11 0A 05 00 02 7250', 'hw 10.5.0.2', sub {
- print "hardware version ", join('.', unpack('CCCC', skip_assert(3) )), "\n";
+cmd( 'D5 00 05 04 00 11 8C66', 'hw version',
+ 'D5 00 09 04 00 11 0A 05 00 02 7250', sub {
+ my $hw_ver = join('.', unpack('CCCC', skip_assert(3) ));
+ print "hardware version $hw_ver\n";
+ meteor( -1, "Found reader $hw_ver" );
});
-cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','stats?',
- 'D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778','FIXME: unimplemented', sub { assert() } );
+cmd( 'D6 00 0C 13 04 01 00 02 00 03 00 04 00 AAF2','FIXME: stats?',
+ 'D6 00 0C 13 00 02 01 01 03 02 02 03 00 E778', sub { assert() } );
# start scanning for tags
-cmd( 'D6 00 05 FE 00 05 FA40', "XXX scan $_",
- 'D6 00 07 FE 00 00 05 00 C97B', 'no tag', sub {
-dispatch(
- 'D6 00 0F FE 00 00 05 ',# 01 E00401003123AA26 941A # seen, serial length: 8
- sub {
- my $rest = shift || die "no rest?";
- my $nr = ord( substr( $rest, 0, 1 ) );
+cmd( 'D6 00 05 FE 00 05 FA40', "scan for tags, retry $_",
+ 'D6 00 0F FE 00 00 05 ', sub { # 01 E00401003123AA26 941A # seen, serial length: 8
+ my $rest = shift || die "no rest?";
+ my $nr = ord( substr( $rest, 0, 1 ) );
+
+ if ( ! $nr ) {
+ print "no tags in range\n";
+ update_visible_tags();
+ meteor( -1, "No tags in range" );
+ } else {
+
my $tags = substr( $rest, 1 );
my $tl = length( $tags );
@@ -106,33 +137,66 @@
my @tags;
push @tags, uc(unpack('H16', substr($tags, $_ * 8, 8))) foreach ( 0 .. $nr - 1 );
warn "## tags ",as_hex($tags), " [$tl] = ",dump( $tags ) if $debug;
- print "seen $nr tags: ", join(',', @tags ) , "\n";
+ print "$nr tags in range: ", join(',', @tags ) , "\n";
+
+ update_visible_tags( @tags );
- # XXX read first tag
- read_tag( @tags );
+ my $html = join('', map { "$_" } @tags);
+ meteor( 0, "Tags:" );
+ }
+ }
+) foreach ( 1 .. 1000 );
+
+
+
+sub update_visible_tags {
+ my @tags = @_;
+ my $last_visible_tags = $visible_tags;
+ $visible_tags = {};
+
+ foreach my $tag ( @tags ) {
+ if ( ! defined $last_visible_tags->{$tag} ) {
+ read_tag( $tag );
+ $visible_tags->{$tag}++;
+ } else {
+ warn "## using cached data for $tag" if $debug;
}
-) }
+ delete $last_visible_tags->{$tag}; # leave just missing tags
+ }
-) foreach ( 1 .. 100 );
+ foreach my $tag ( keys %$last_visible_tags ) {
+ my $data = delete $tags_data->{$tag};
+ print "removed tag $tag with data ",dump( $data ),"\n";
+ }
+
+ warn "## update_visible_tags(",dump( @tags ),") = ",dump( $visible_tags )," removed: ",dump( $last_visible_tags ), " data: ",dump( $tags_data ) if $debug;
+}
-my $read_cached;
sub read_tag {
my ( $tag ) = @_;
+ confess "no tag?" unless $tag;
+
+ return if defined $tags_data->{$tag};
+
print "read_tag $tag\n";
- return if $read_cached->{ $tag }++;
- cmd( "D6 00 0D 02 $tag 00 03 1CC4", 'read $tag offset: 0 blocks: 3',
- "D6 00 0F FE 00 00 05 01 $tag 941A", "$tag ready?", sub {
-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";
+ cmd(
+ "D6 00 0D 02 $tag 00 03 1CC4", 'read $tag offset: 0 blocks: 3',
+ "D6 00 0F FE 00 00 05 01 $tag 941A", sub {
+ print "FIXME: tag $tag ready?\n";
+ },
+ "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";
my $rest = shift || die "no rest?";
warn "## DATA ", dump( $rest ) if $debug;
- my $blocks = ord(substr($rest,0,1));
+ my $tag = uc(unpack('H16',substr( $rest, 0, 8 )));
+ my $blocks = ord(substr($rest,8,1));
+ $rest = substr($rest,9); # leave just data blocks
my @data;
foreach my $nr ( 0 .. $blocks - 1 ) {
- my $block = substr( $rest, 1 + $nr * 6, 6 );
+ my $block = substr( $rest, $nr * 6, 6 );
warn "## block ",as_hex( $block ) if $debug;
my $ord = unpack('v',substr( $block, 0, 2 ));
die "got block $ord, expected block $nr from ",dump( $block ) if $ord != $nr;
@@ -141,10 +205,10 @@
warn sprintf "## tag %08s %02d %s |%-4s|\n", $tag, $ord, as_hex( $data ), $data;
$data[ $ord ] = $data;
}
- $read_cached->{ $tag } = join('', @data);
- print "DATA $tag ",dump( $read_cached->{ $tag } ), "\n";
- })
- });
+ $tags_data->{ $tag } = join('', @data);
+ print "DATA $tag ",dump( $tags_data ), "\n";
+ }
+ );
# 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
if (0) {
@@ -156,8 +220,13 @@
}
warn "?? D6 00 0F FE 00 00 05 01 $tag 941A ##### ready?\n";
+ my $item = unpack('H*', substr($tag,-8) ) % 100000;
+ meteor( $item, "Loading $item" );
+
}
+exit;
+
for ( 1 .. 3 ) {
# ++-->type 00-0a
@@ -188,7 +257,7 @@
{
my $str=shift;
my $count = $port->write($str);
- print "#> ", as_hex( $str ), "\t[$count]" if $debug;
+ print "#> ", as_hex( $str ), "\t[$count]\n" if $debug;
}
sub as_hex {
@@ -236,24 +305,6 @@
return substr( $assert->{payload}, $to );
}
-our $dispatch;
-sub dispatch {
- my ( $pattern, $coderef ) = @_;
- my $patt = substr( str2bytes($pattern), 3 ); # just payload
- my $l = length($patt);
- my $p = substr( $assert->{payload}, 0, $l );
- warn "## dispatch pattern $pattern [$l] ",dump( $patt, $p ) if $debug;
-
- if ( $assert->{payload} eq $assert->{expect} ) {
- warn "## no dispatch, payload expected" if $debug;
- } elsif ( $p eq $patt ) {
- # if matched call with rest of payload
- $coderef->( substr( $assert->{payload}, $l ) );
- } else {
- warn "## dispatch ignored" if $debug;
- }
-}
-
use Digest::CRC;
sub crcccitt {
@@ -289,9 +340,9 @@
return $bytes . $checksum;
}
-sub readchunk {
- my ( $parser ) = @_;
+our $dispatch;
+sub readchunk {
sleep 1; # FIXME remove
# read header of packet
@@ -305,14 +356,28 @@
warn "## payload too short $payload_len != $len\n" if $payload_len != $len;
my $checksum = substr( $data, -2, 2 );
- checksum( $header . $length . $payload, $checksum );
+ checksum( $header . $length . $payload , $checksum );
- 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;
$assert->{len} = $len;
$assert->{payload} = $payload;
- $parser->( $len, $payload ) if $parser && ref($parser) eq 'CODE';
+ my $full = $header . $length . $data; # full
+ # find longest match for incomming data
+ my ($to) = grep {
+ my $match = substr($payload,0,length($_));
+ m/^\Q$match\E/
+ } sort { length($a) <=> length($b) } keys %$dispatch;
+ warn "?? payload dispatch to ",dump( $payload, $dispatch, $to ) if $debug;
+
+ if ( defined $to ) {
+ my $rest = substr( $payload, length($to) );
+ warn "## DISPATCH payload to with rest", dump( $payload, $to, $rest ) if $debug;
+ $dispatch->{ $to }->( $rest );
+ } else {
+ print "NO DISPATCH for ",dump( $full ),"\n";
+ }
return $data;
}
@@ -330,20 +395,30 @@
}
sub cmd {
- my ( $cmd, $cmd_desc, $expect, $expect_desc, $coderef ) = @_;
+ my $cmd = shift || confess "no cmd?";
+ my $cmd_desc = shift || confess "no description?";
+ my @expect = @_;
+
my $bytes = str2bytes( $cmd );
# fix checksum if needed
$bytes = checksum( substr( $bytes, 0, -2 ), substr( $bytes, -2, 2 ) );
- warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n";
+ warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n" if $verbose;
$assert->{send} = $cmd;
writechunk( $bytes );
- if ( $expect ) {
- warn "?? $expect", $expect_desc ? "\t## $expect_desc" : '', "\n";
- $assert->{expect} = substr(str2bytes($expect), 3, -2); # just expected payload
- readchunk( $coderef );
+ while ( @expect ) {
+ my $pattern = str2bytes( shift @expect ) || confess "no pattern?";
+ my $coderef = shift @expect || confess "no coderef?";
+ confess "not coderef" unless ref $coderef eq 'CODE';
+
+ next if defined $dispatch->{ $pattern };
+
+ $dispatch->{ substr($pattern,3) } = $coderef;
+ warn "++ dispatch ", as_hex($pattern) ,dump( $dispatch ) if $debug;
}
+
+ readchunk;
}