save pin to io mapping

diff --git a/openocd-jtag-boundary-scan.pl b/openocd-jtag-boundary-scan.pl
index 001bb28..70a2613 100755 (executable)
--- a/openocd-jtag-boundary-scan.pl
+++ b/openocd-jtag-boundary-scan.pl
@@ -5,6 +5,7 @@ use strict;
 use autodie;
 use Data::Dump qw(dump);
 use IO::Socket::INET;
+use Storable;
 
 my $openocd_remote = shift @ARGV || 'picam:4444';
 
@@ -56,6 +57,7 @@ foreach my $map ( split(/\s*,\s*/, $pin_map) ) {
 }
 
 warn "# pin2io = ",dump( $pin2io );
+store \$pin2io, '/dev/shm/pin2io.storable';
 
 my @sort = sort {
        my $aa = $a; $aa =~ s/\D+//g;