my $r_len = $port->read(3);
- while ( ! $r_len ) {
+ while ( length($r_len) < 3 ) {
wait_device;
- $r_len = $port->read(3);
+ $r_len = $port->read( 3 - length($r_len) );
}
wait_device;
my $len = ord( substr($r_len,2,1) );
$data = $port->read( $len );
- warn "<< ", as_hex($r_len,$data)," $len\n";
+
+ while ( length($data) < $len ) {
+ warn "# short read ", length($data), " < $len\n";
+ wait_device;
+ $data .= $port->read( $len - length($data) );
+ }
+
+ warn "<< ", as_hex($r_len,$data),
+ ' | ',
+ substr($data,-2,2) eq checksum(substr($r_len,1).substr($data,0,-2)) ? 'OK' : 'ERROR',
+ " $len bytes\n";
+
$coderef->( $data ) if $coderef;
return $tag_blocks;
}
+sub write_blocks {
+ my $tag = shift;
+ $tag = shift if ref $tag;
+ my $data = join('', @_);
+
+ warn "## write_blocks ",dump($tag,$data);
+
+ if ( length($data) % 4 ) {
+ $data .= '\x00' x ( 4 - length($data) % 4 );
+ warn "# padded data to ",dump($data);
+ }
+
+ my $hex_data = as_hex $data;
+ my $blocks = sprintf('%02x', length($data) / 4 );
+
+ cmd(
+ "04 $tag 00 $blocks 00 $hex_data", "write_blocks $tag [$blocks] $hex_data", sub {
+ my $data = shift;
+ if ( my $rest = _matched $data => '04 00' ) {
+ my $tag = substr($rest,0,8);
+ my $blocks = substr($rest,8,1);
+ warn "# WRITE ",as_hex($tag), " [$blocks]\n";
+ } elsif ( my $rest = _matched $data => '04 06' ) {
+ warn "ERROR ",as_hex($rest);
+ } else {
+ die "UNSUPPORTED";
+ }
+ }
+ );
+
+}
+
+sub read_afi {
+ my $tag = shift;
+ $tag = shift if ref $tag;
+
+ my $afi;
+
+ cmd(
+ "0A $tag", "read_afi $tag", sub {
+ my $data = shift;
+
+ if ( my $rest = _matched $data => '0A 00' ) {
+
+ my $tag = substr($rest,0,8);
+ $afi = substr($rest,8,1);
+
+ warn "# SECURITY ", hex_tag($tag), " AFI: ", as_hex($afi);
+
+ } elsif ( my $rest = _matched $data => '0A 06' ) {
+ warn "ERROR reading security from $tag ", as_hex($data);
+ } else {
+ warn "IGNORED ",as_hex($data);
+ }
+ });
+ warn "## read_afi ",dump($tag, $afi);
+ return $afi;
+}
+
+sub write_afi {
+ my $tag = shift;
+ $tag = shift if ref $tag;
+ my $afi = shift || die "no afi?";
+
+ $afi = as_hex $afi;
+
+ cmd(
+ "09 $tag $afi", "write_afi $tag $afi", sub {
+ my $data = shift;
+
+ if ( my $rest = _matched $data => '09 00' ) {
+
+ my $tag = substr($rest,0,8);
+ $afi = substr($rest,8,1);
+
+ warn "# SECURITY ", hex_tag($tag), " AFI: ", as_hex($afi);
+
+ } elsif ( my $rest = _matched $data => '0A 06' ) {
+ warn "ERROR writing AFI to $tag ", as_hex($data);
+ undef $afi;
+ } else {
+ warn "IGNORED ",as_hex($data);
+ undef $afi;
+ }
+ });
+ warn "## write_afi ", dump( $tag, $afi );
+ return $afi;
+}
+
1