/[RFID]/3m-810.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 1 by dpavlin, Sun Sep 28 12:57:32 2008 UTC revision 4 by dpavlin, Sun Sep 28 15:59:38 2008 UTC
# Line 5  use strict; Line 5  use strict;
5  use warnings;  use warnings;
6    
7  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
8    use Carp qw/confess/;
9    
10    my $debug = 0;
11    
12  my $response = {  my $response = {
13          'd500090400110a0500027250'                              => 'version?',          'd500090400110a0500027250'                              => 'version?',
# Line 74  $port->read_char_time(5); Line 77  $port->read_char_time(5);
77  #$port->stty_inpck(1);  #$port->stty_inpck(1);
78  #$port->stty_istrip(1);  #$port->stty_istrip(1);
79    
80  sub cmd {  # initial hand-shake with device
         my ( $cmd, $desc, $expect ) = @_;  
         $cmd =~ s/\s+(\S\S)(\S\S)+\s*/ $1 $2/;  # fix checksum  
         $cmd =~ s/\s+/\\x/g;  
         $cmd = '"\x' . $cmd . '"';  
         my $bytes = eval $cmd;  
         die $@ if $@;  
         warn ">> ", as_hex( $bytes ), "\t$desc\n";  
         writechunk( $bytes );  
         warn "?? $expect\n" if $expect;  
         readchunk();  
 }  
81    
82  cmd( 'D5 00  05  04   00   11                 8C66', 'hw version?',  cmd( 'D5 00  05   04 00 11                 8C66', 'hw version?',
83       'D5 00  09  04   00   11   0A 05 00 02   7250 -- hw 10.5.0.2' );       'D5 00  09   04 00 11   0A 05 00 02   7250', 'hw 10.5.0.2', sub {
84            my ( $len, $payload, $checksum ) = @_;
85            assert( 0, 3 );
86            print "hardware version ", join('.', unpack('CCCC', substr($payload,3,4))), "\n";
87    });
88    
89  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','stats?',
90  #     D6 00  0C  13   00   02 01 01 03 02 02 03  00   E778       'D6 00  0C   13  00  02 01 01 03 02 02 03  00     E778','FIXME: unimplemented', sub { assert( 0 ) } );
91    
92  cmd( 'D6 00  05  FE     00  05  FA40', "XXX scan $_",  # start scanning for tags
      'D6 00  07  FE  00 00  05  00  C97B -- no tag' ) foreach ( 1 .. 10 );  
93    
94    cmd( 'D6 00  05  FE     00  05      FA40', "XXX scan $_",
95         'D6 00  07  FE  00 00  05  00  C97B', 'no tag' ) foreach ( 1 .. 10 );
96  #     D6 00  0F  FE  00 00  05  01  E00401003123AA26  941A       # seen  #     D6 00  0F  FE  00 00  05  01  E00401003123AA26  941A       # seen
97    
98  cmd( 'D6 00  0D  02      E00401003123AA26   00   03     1CC4', 'read offset: 0 blocks: 3' );  cmd( 'D6 00  0D  02      E00401003123AA26   00   03     1CC4', 'read offset: 0 blocks: 3' );
# Line 140  print "Port closed\n"; Line 137  print "Port closed\n";
137  sub writechunk  sub writechunk
138  {  {
139          my $str=shift;          my $str=shift;
   
140          my $count = $port->write($str);          my $count = $port->write($str);
141          print ">> ", as_hex( $str ), "\t[$count]\n";          print ">> ", as_hex( $str ), "\t[$count]\n";
142  }  }
# Line 149  sub as_hex { Line 145  sub as_hex {
145          my @out;          my @out;
146          foreach my $str ( @_ ) {          foreach my $str ( @_ ) {
147                  my $hex = unpack( 'H*', $str );                  my $hex = unpack( 'H*', $str );
148                  $hex =~ s/(..)/$1 /g;                  $hex =~ s/(..)/$1 /g if length( $str ) > 2;
149                  push @out, $hex;                  push @out, $hex;
150          }          }
151          return join('  ', @out);          return join('  ', @out);
# Line 164  sub read_bytes { Line 160  sub read_bytes {
160                  $data .= $b;                  $data .= $b;
161          }          }
162          $desc ||= '?';          $desc ||= '?';
163          warn "#< ", as_hex($data), "\t$desc\n";          warn "#< ", as_hex($data), "\t$desc\n" if $debug;
164          return $data;          return $data;
165  }  }
166    
167    my $assert;
168    
169    sub assert {
170            my ( $from, $to ) = @_;
171    
172            $to = length( $assert->{expect} ) if ! defined $to;
173    
174            my $p = substr( $assert->{payload}, $from, $to );
175            my $e = substr( $assert->{expect},  $from, $to );
176            warn "EXPECTED ",as_hex($e), " GOT ", as_hex($p), " [$from-$to] in ",dump( $assert ), "\n" if $e ne $p;
177    }
178    
179  sub readchunk {  sub readchunk {
180            my ( $parser ) = @_;
181    
182            sleep 1;        # FIXME remove
183    
184          # read header of packet          # read header of packet
185          my $header = read_bytes( 2, 'header' );          my $header = read_bytes( 2, 'header' );
186          my $len = ord( read_bytes( 1, 'length' ) );          my $length = read_bytes( 1, 'length' );
187            my $len = ord($length);
188          my $data = read_bytes( $len, 'data' );          my $data = read_bytes( $len, 'data' );
189            my ( $cmd ) = unpack('C', $data );
190    
191            my $payload  = substr( $data, 0, -2 );
192            my $payload_len = length($data);
193            warn "## payload too short $payload_len != $len\n" if $payload_len != $len;
194            my $checksum = substr( $data, -2, 2 );
195            # FIXME check checksum
196    
197          warn "<< ",as_hex( $header, ), " [$len] ", as_hex( $data ), "\n";          print "<< ",as_hex( $header ), " [$len] ", as_hex( $payload ), "checksum: ", as_hex( $checksum ),"\n";
198    
199          sleep 1;          $assert->{len}      = $len;
200            $assert->{payload}  = $payload;
201            $assert->{checksum} = $checksum;
202    
203            $parser->( $len, $payload, $checksum ) if $parser && ref($parser) eq 'CODE';
204    
205            return $data;
206    }
207    
208    sub str2bytes {
209            my $str = shift || confess "no str?";
210            $str =~ s/\s+(\S\S)(\S\S)+\s*/ $1 $2/;  # fix checksum
211            $str =~ s/\s+/\\x/g;
212            $str = '"\x' . $str . '"';
213            my $bytes = eval $str;
214            die $@ if $@;
215            return $bytes;
216    }
217    
218    sub cmd {
219            my ( $cmd, $cmd_desc, $expect, $expect_desc, $coderef ) = @_;
220            my $bytes = str2bytes( $cmd );
221    
222            warn ">> ", as_hex( $bytes ), "\t## $cmd_desc\n";
223            $assert->{send} = $cmd;
224            writechunk( $bytes );
225    
226            if ( $expect ) {
227                    warn "?? $expect", $expect_desc ? "\t## $expect_desc" : '', "\n";
228                    $assert->{expect} = substr(str2bytes($expect), 3, -2); # just expected payload
229                    readchunk( $coderef );
230            }
231  }  }
232    
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