support multiple remote openocd instances

diff --git a/openocd-jtag-boundary-scan.pl b/openocd-jtag-boundary-scan.pl
index bc02ce3..50043df 100755 (executable)
--- a/openocd-jtag-boundary-scan.pl
+++ b/openocd-jtag-boundary-scan.pl
@@ -6,6 +6,8 @@ use autodie;
 use Data::Dump qw(dump);
 use IO::Socket::INET;
 
+my $openocd_remote = shift @ARGV || 'picam:4444';
+
 my $bit2pin;
 my $io2bit;
 
@@ -13,6 +15,7 @@ my $pin2io;
 my $in_pin_map = 0;
 my $pin_map = '';
 
+$|=1; # flush stdout
 
 open(my $bsdl, '<', '_3128at100.bsd');
 while(<$bsdl>) {
@@ -64,7 +67,7 @@ sub print_io {
        my $bits = shift;
        my $i = 0;
 #      foreach my $io ( @sort ) {
-       print "pin off io___ I C O | " x 4, "\n";
+       print "pin off io___ I C O | " x 4, $openocd_remote,"\n";
        foreach my $i ( 0 .. ($#$pin2io/4)-1 ) {
                foreach my $j ( 0 .. 3 ) {
                        #my $pin = ($i*4) + $j + 1; # rows
@@ -86,7 +89,7 @@ sub print_io {
 #        printf "hex = %4s  binary = %16s\n", $h, hex2bin($h);
 #}
 
-my $sock = IO::Socket::INET->new('picam:4444');
+my $sock = IO::Socket::INET->new($openocd_remote);
 
 sub hex2bin {
         my $h = shift;
@@ -119,6 +122,7 @@ while (<$sock>) {
        if ( /^\s*([A-F0-9]+)/ ) {
                my $hex = $1;
                my $bin = hex2bin($hex);
+               diff_bits($BSR, $bin);
                $BSR = $bin;
                print_io $bin;
                last;