my $openocd_remote = shift @ARGV || 'picam:4444';
my $bsdl_file = $ENV{BSDL} ||
- 'EP4CE6E22.bsd';
-# '_3128at100.bsd';
-# '3064at44.bsd'; # XXX
-my $tap = $ENV{TAP} || 'tb276.tap';
+ 'x300-dongle/3064at44.bsd'; # XXX
+#$bsdl_file = 'EP4CE6E22.bsd';
+#$bsdl_file = '_3128at100.bsd';
+my $project_file = 'Altera/epm3064_dac/3064at44.qsf';
+#$project_file = 'tb276/f32c.qsf';
-my $BOUNDARY_LENGTH = 288;
+my $BOUNDARY_LENGTH = -1;
my $entity;
my $bit2pin;
my $parse_regex = join('|', qw(
PIN_MAP_STRING
INSTRUCTION_OPCODE
+ INSTRUCTION_LENGTH
+ IDCODE_REGISTER
));
$|=1; # flush stdout
-require 'gpio.pl';
+my $have_gpio = `which gpio`;
+warn "# ", ! $have_gpio ? "DOESN'T " : '', "have rpi gpio\n";
+require 'gpio.pl' if $have_gpio;
open(my $bsdl, '<', $bsdl_file);
while(<$bsdl>) {
$parse->{$1} .= $_;
} elsif ( $parse_in ) {
next if m/^\s*--/;
+ s/\s+--.+$//; # remove comments and EOL
$parse->{$parse_in} .= $_;
$parse_in = 0 if m/;/;
} elsif ( m/"(\d+)\s+\(BC_\d+,\s+(\S+),\s+(\S+)/ ) {
$parse->{$chunk} =~ s/^.+?"//s; # strip upto first quote
$parse->{$chunk} =~ s/"\s*;.*?$//s; # strip everything after closing
$parse->{$chunk} =~ s/\s+/ /gs;
+ $parse->{$chunk} =~ s/^\s+//;
+ $parse->{$chunk} =~ s/\s+$//;
+ $parse->{$chunk} =~ s/attribute\s+$chunk\s+of\s+$entity\s+:\s+entity\s+is\s+(\d+)\s*;/$1/;
+
}
warn "# parse = ",dump($parse);
my $opcode;
my $o = $parse->{INSTRUCTION_OPCODE} || die "no INSTRUCTION_OPCODE in ",dump($parse);
-warn "XXX [$o]";
foreach ( split(/\)\s*,\s*/, $o) ) {
s/\s+\(/ /g;
s/\s*\)\s*$//g;
- warn "XXX [$_]\n";
+ warn "### [$_]\n";
my ( $inst_opcode, $bin ) = split(/\s+/, $_);
$opcode->{$inst_opcode} = sprintf "0x%02x", eval '0b' . $bin;
}
chomp;
my ($pin,$desc, $bcm) = split(/\t+/,$_,3);
$pin_desc->{$pin} = $desc;
- gpio::add_bcm_desc( $bcm => $desc );
+ gpio::add_bcm_desc( $bcm => $desc ) if $have_gpio;
}
close($fh);
warn "# $pin_file ",dump($pin_desc);
}
{
- my $pin_file = 'Altera/epm3064_dac/3064at44.qsf';
- open(my $fh, '<', $pin_file);
+ open(my $fh, '<', $project_file);
while(<$fh>) {
chomp;
+ s/[\r\n]+$//;
+ next if m/^\s*#/;
my ($set,$pin, $op, $desc) = split(/\s+/,$_,4);
if ( $set =~ m/set_location_assignment/i && $op =~ m/-to/i && $pin =~ s/^PIN_//ig ) {
$pin_desc->{$pin} = $desc; # overwrite pin description
} else {
- warn "# ignored $_\n";
+ #warn "## ignored $_\n";
}
}
close($fh);
- warn "# $pin_file ",dump($pin_desc);
+ warn "# $project_file ",dump($pin_desc);
}
=for remove
my $last_bits = '';
sub print_io {
my $bits = shift;
+ return unless length($bits) == $BOUNDARY_LENGTH;
my $o_bits = $bits;
$bits = reverse $bits; # make substr work as expected
+ my $last_bits_r = reverse $last_bits;
- print "pin off io___ ICO prv | " x 4, $openocd_remote,"\n";
+ print "pin off io___ ICO | " x 4, $openocd_remote,"\n";
foreach my $i ( 0 .. ($#$pin2io/4)-1 ) {
foreach my $j ( 0 .. 3 ) {
#my $pin = ($i*4) + $j + 1; # rows
if ( defined $o ) {
my $l = $b = substr($bits, $o, 3);
- $l = substr($last_bits,$o,3) if $last_bits;
+ $l = substr($last_bits_r,$o,3) if $last_bits;
my $desc = $pin_desc->{$pin} || '';
my $bits = bits($b);
}
}
- printf "%-3d %-3d %-5s %3s %-8s | ", $pin, $o, $io, $bits, $desc;
+ $desc = ' ' . $desc if length($desc) < 10;
+ $desc = substr($desc,0,10);
+
+ printf "%-3d %-3d %-5s %3s%-10s| ", $pin, $o, $io, $bits, $desc;
} else {
- printf "%-3d ... %-5s %3s %-8s | ", $pin, $io, '', '';
+ printf "%-3d ... %-18s | ", $pin, $io;
}
}
print "\n";
sub bin2hex {
my $b = shift;
+ $b =~ s/\s+//g;
my $blen = length($b);
my $hlen = $blen / 4;
return unpack("H$hlen", pack("B$blen", $b));
}
-#my $cmd;
-
+my $tap;
+print $sock "jtag names\n"; # will fill-in $tap variable from openocd
my $BSR;
-# first sample
-print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
-print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
+my $scan_chain;
while(1) {
warn "<< ",dump($_);
chomp;
s/[\r\x00]+//g;
- if ( /^\s*([A-F0-9]+)/ ) {
+ if ( ! $tap && m/^(\w+\.tap)$/ ) {
+ $tap = $1;
+ warn "# using TAP $tap\n";
+
+ print $sock "scan_chain\n";
+ $scan_chain = 0;
+
+ } elsif ( ! $scan_chain && m/\d+\s+$tap\s+Y\s+0x([0-9a-f]+)\s+0x[0-9a-f]+\s+(\d+)/ ) {
+
+ my ($IdCode,$IrLen) = ( $1, $2 );
+
+ my $bsdl_id_code = bin2hex( $parse->{IDCODE_REGISTER} );
+ die "IdCode != IDCODE_REGISTER $IdCode != $bsdl_id_code" if lc($IdCode) ne lc($bsdl_id_code);
+
+ die "IrLen != INSTRUCTION_LENGTH $IrLen != $parse->{INSTRUCTION_LENGTH}" if $IrLen != $parse->{INSTRUCTION_LENGTH};
+
+ warn "# OK IdCode $IdCode IrLen $IrLen\n";
+ $scan_chain = 1;
+
+ # first sample
+ print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
+ print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
+
+ } elsif ( /^\s*([A-F0-9]+)$/ ) {
my $hex = $1;
my $bin = hex2bin($hex);
+ $bin = substr($bin,0, $BOUNDARY_LENGTH) if length($bin) > $BOUNDARY_LENGTH;
diff_bits($BSR, $bin);
$BSR = $bin;
print_io $bin if $bin ne $last_bits;
- gpio::pins();
+ gpio::pins() if $have_gpio;
last;
+ } elsif ( m/>\s+\S+/ ) {
+ # ignore command echo
} else {
- warn "# in ",dump($_);
+ warn "# ignored ",dump($_);
}
}
sub diff_bits {
my ($old, $new) = @_;
+ return unless $old && $new;
+ $old = reverse $old; # extra bits must be on the end
+ $new = reverse $new;
$old =~ s/(...)/$1 /g;
$new =~ s/(...)/$1 /g;
my @o = split(/ /, $old);
my @n = split(/ /, $new);
- foreach my $i ( 0 .. $#o ) {
+ my $bsr_max_bit = $BOUNDARY_LENGTH / 3 - 1;
+ foreach my $i ( 0 .. $bsr_max_bit ) {
if ( $o[$i] eq $n[$i] ) {
$o[$i]='.';
} else {
- my $pin = $bit2pin->{ $BOUNDARY_LENGTH - ($i * 3) - 3 }->[0];
+ my $pin = $bit2pin->{ $i * 3 }->[0];
$o[$i] = " $pin@" . ( $i * 3 ) . ":" . $o[$i] . '>' . $n[$i];
}
}
- my $diff = join('', @o);
+ my $diff = join('', @o[ 0 .. $bsr_max_bit ]);
print "# diff_bits $diff\n";
}
-print "[press enter]\n";
+print "> ";
my $cmd = <STDIN>;
chomp $cmd;
if ( $cmd =~ /(p|o)(\d+)=(\d+)/ ) {
$b = reverse $b;
- diff_bits( $BSR, $b ), $/;
+ diff_bits( $BSR, $b );
# print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
print $sock "drscan $tap $BOUNDARY_LENGTH 0x", bin2hex($b), "\n";
print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
} else {
- gpio::cmd( $cmd );
+ gpio::cmd( $cmd ) if $have_gpio;
print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
}