mirror of
git://projects.qi-hardware.com/ben-blinkenlights.git
synced 2024-12-29 09:58:58 +02:00
b4530ffc4d
For that purpose, we reset the mapping each time a new set of definitions is encountered.
126 lines
2.3 KiB
Perl
Executable File
126 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
|
|
$PDDAT = 0x10010310;
|
|
$PDDATS = 0x10010314;
|
|
$PDDATC = 0x10010318;
|
|
$PDFUNC = 0x10010348;
|
|
$PDDIR = 0x10010360;
|
|
$PDDIRS = 0x10010364;
|
|
$PDDIRC = 0x10010368;
|
|
|
|
$bit{"DAT2"} = 12;
|
|
$bit{"DAT3"} = 13;
|
|
$bit{"CMD"} = 8;
|
|
$bit{"VDD"} = 2;
|
|
$bit{"CLK"} = 9;
|
|
$bit{"DAT0"} = 10;
|
|
$bit{"DAT1"} = 11;
|
|
|
|
|
|
sub poke
|
|
{
|
|
local ($a, $v) = @_;
|
|
|
|
return unless $v;
|
|
$c = sprintf("ssh jlime poke 0x%0x 0x%0x", $a, $v & $mask);
|
|
#print STDERR "$c\n";
|
|
system($c);
|
|
}
|
|
|
|
|
|
sub peek
|
|
{
|
|
local ($a) = @_;
|
|
|
|
$c = sprintf("ssh jlime poke 0x%x", $a);
|
|
#print STDERR "$c\n";
|
|
return hex(`$c`);
|
|
}
|
|
|
|
|
|
$mask = 0;
|
|
for (values %bit) {
|
|
$mask |= 1 << $_;
|
|
}
|
|
&poke($PDFUNC, $mask);
|
|
|
|
$dat = 1 << $bit{"VDD"};
|
|
$dir = $dat;
|
|
&poke($PDDATS, $dat);
|
|
&poke($PDDATC, $mask ^ $dat);
|
|
&poke($PDDIRS, $dir);
|
|
&poke($PDDIRC, $mask ^ $dir);
|
|
|
|
while (<>) {
|
|
print STDERR;
|
|
chop;
|
|
s/#.*//;
|
|
next if /^\s*$/;
|
|
if (/^\S+,(\S+,)*\S+/) {
|
|
@pos = ();
|
|
for (split /,/) {
|
|
die "unknown bit \"$_\"" unless defined $bit{$_};
|
|
push(@pos, $_);
|
|
}
|
|
} elsif (/^(\S+)=(\S+)\s*/) {
|
|
die "unknown bit \"$2\"" unless defined $bit{$2};
|
|
die "bit \"$1\" is already defined" if defined $bit{$1};
|
|
$bit{$1} = $bit{$2};
|
|
} elsif (/^echo\s+/) {
|
|
print "$'\n";
|
|
} elsif (/^show\s*$/) {
|
|
$tdir = &peek($PDDIR);
|
|
$tdat = &peek($PDDAT);
|
|
for (@pos) {
|
|
$v = 1 << $bit{$_};
|
|
print "$_($bit{$_})=",
|
|
$tdir & $v ? $tdat & $v ? "1" : "0" : "Z", " ";
|
|
}
|
|
print "\n";
|
|
} elsif (/^wait\s+([01-]+)\s*$/) {
|
|
$m = 0;
|
|
$c = 0;
|
|
@p = @pos;
|
|
$s = $1;
|
|
while (length $s) {
|
|
die "out of bits" unless @p;
|
|
$v = 1 << $bit[shift @p];
|
|
if ($s =~ /^0/) {
|
|
$m |= $v;
|
|
} elsif ($s =~ /^1/) {
|
|
$m |= $v;
|
|
$c |= $v;
|
|
}
|
|
$s = substr($s, 1);
|
|
}
|
|
# @@@ to do
|
|
} elsif (/^sleep\s+(\d+|\d*\.\d*)\s*$/) {
|
|
select(undef, undef, undef, $1);
|
|
} elsif (/^([-01zZ]+)\s*$/) {
|
|
@p = @pos;
|
|
($tdir, $tdat) = ($dir, $dat);
|
|
$s = $1;
|
|
while (length $s) {
|
|
die "out of bits" unless @p;
|
|
$v = 1 << $bit{shift @p};
|
|
if ($s =~ /^0/) {
|
|
$tdir |= $v;
|
|
$tdat &= ~$v;
|
|
} elsif ($s =~ /^1/) {
|
|
$tdir |= $v;
|
|
$tdat |= $v;
|
|
} elsif ($s =~ /^[zZ]/) {
|
|
$tdir &= ~$v;
|
|
}
|
|
$s = substr($s, 1);
|
|
}
|
|
&poke($PDDATS, $tdat & ~$dat);
|
|
&poke($PDDATC, ~$tdat & $dat);
|
|
&poke($PDDIRS, $tdir & ~$dir);
|
|
&poke($PDDIRC, ~$tdir & $dir);
|
|
($dir, $dat) = ($tdir, $tdat);
|
|
} else {
|
|
die "unrecognized command \"$_\"";
|
|
}
|
|
}
|