make programming die-proof

diff --git a/scripts/print.pl b/scripts/print.pl
index a09e0f7..f067038 100755 (executable)
--- a/scripts/print.pl
+++ b/scripts/print.pl
@@ -59,22 +59,30 @@ while ( $rfid->tags ) {
 
 print_card;
 
 
 print_card;
 

+my $programmed;
+

 do {
        my @visible = $rfid->tags(
                enter => sub {
                        my $tag = shift;
 do {
        my @visible = $rfid->tags(
                enter => sub {
                        my $tag = shift;

-                       print localtime()." enter ", tag($tag);
+                       print localtime()." enter ", eval { tag($tag) };
+                       return if $@;
+
+                       if ( ! $programmed->{$tag} ) {
+                               my $card = shift @queue;
+                               my $number = $card->[0];
+                               print "PROGRAM $tag $number\n";
+                               $rfid->write_blocks( $tag => RFID::Biblio::RFID501->from_hash({ content => $number }) );
+                               $rfid->write_afi( $tag => chr($afi) ) if $afi;

 
 

-                       my $card = shift @queue;
-                       $rfid->write_blocks( $tag => RFID::Biblio::RFID501->from_hash({ content => $card->[0] }) );
-                       $rfid->write_afi(    $tag => chr($afi) ) if $afi;
+                               $programmed->{$tag} = $number;
+                       }

 
                },
                leave => sub {
                        my $tag = shift;
 
                },
                leave => sub {
                        my $tag = shift;

-                       print localtime()." leave ", tag($tag);

 
 

-                       print_card;
+                       print_card if $programmed->{$tag};

                },
        );
 
                },
        );
 


@@ -89,6 +97,7 @@ sub print_card {
 
        my $p = Printer::EVOLIS::Parallel->new( '/dev/usb/lp0' );
        print "insert card ", $p->command( 'Si' ),$/;
 
        my $p = Printer::EVOLIS::Parallel->new( '/dev/usb/lp0' );
        print "insert card ", $p->command( 'Si' ),$/;

+       sleep 1;

        print "eject card ", $p->command( 'Ser' ),$/;
 }
 
        print "eject card ", $p->command( 'Ser' ),$/;
 }