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#!/usr/bin/perl
# -*- perl -*-
# Copyright (C) 2006 DJ Delorie dj@delorie.com
# Released under the terms of the GNU General Public License, version 2
# Usage: djboxsym sample.symdef > sample.sym
$y{left
} = 300;
$y{right
} = 300;
$y{labels
} = -200;
$labelpin = 0;
# Read in the file, storing information about each pin.
my $pinnumwidth = 0;
my $blockname;
# vars used later too
#my (%x, %y);
my %pindata;
# vars used during parsing
my ($side, $busmode, $errors) = ('',0, 0);
# main loop which parses file
while (<>) {
# skip empty lines
next if /^#/;
# cleanup leading/trailing spaces
s/^\s+//;
s/\s+$//;
# convert spaces/tabs sequence to single space
s/[\s\t]+/ /g;
# remove all CR/LF newlines
s/[\r\n]+$//;
# Note change of section.
if (/^\[(.*)\]/) {
$side = $1;
$space = 0;
next;
}
# Start a bus
if (/^\.bus/) {
$busmode = 1;
next;
}
# blank lines - cancel bus, add gap.
if (! /\S/) {
if ($busmode == 1) {
$y{$side} += 200;
$busmode = 0;
}
if ($space) {
if ($side =~ /left|right/) {
$y{$side} += 300;
}
if ($side =~ /top|bottom/) {
$x{$side} += 400;
}
$space = 0;
}
next;
}
# Hidden labels are stored separately, because we don't care how
# big they are.
if (/! (\S.*)/ && $side eq "labels") {
# code probably could be more smart and store labels ex in certain order
push(@attrs, $1);
next;
}
# Visible labels are stored as pins because their size affects the
# size of the symbols' box.
if (/\S/ && $side eq "labels") {
# an blockswith
if ($_ =~ /^block=/) {
$blockname = $_;
# printf STDERR "Blocname %s\n", $blockname;
next;
}
$labelpin --;
$pinside{$labelpin} = $side;
$piny{$labelpin} = $y{labels
};
$pinlabel{$labelpin} = $_;
$y{labels
} -= 200;
$rlen{$labelpin} = &textlen($_);
next;
}
# Regular pins are handled here.
if (/^([0-9A-Za-z]+)\s*(.*)/) {
$space = 1;
($pin, $rest) = ($1,$2);
if ($saw_pin{$pin}) {
print STDERR "DUPLICATE PIN $pin (was $pinlabel{$pin}, now $rest)\n";
$errors ++;
}
$saw_pin{$pin} = 1;
# our symbols use letters in names so next line wents wrong imo
# we have two solutions, use numbers only (hard for BGA or sth like that)
# or rework symdefs that we would get:
# <#pin> <pin-number from datasheet> <pinname> <pintype> <other attributes>
$maxpin = $pin if $maxpin < $pin;
$pinside{$pin} = $side;
next if $side eq "nc";
if ($rest =~ /^([!>]+) (.*)/) {
$flags = $1;
$pinlabel{$pin} = $2;
$bubble{$pin} = 1 if $flags =~ /!/;
$edge{$pin} = 1 if $flags =~ />/;
} else {
$pinlabel{$pin} = $rest;
}
# if pin has known suffix so it has pintype, maybe we have to rework current format too
if ($pinlabel{$pin} =~ /type:([a-zA-Z]+)/) {
my $type = $1;
printf STDERR "Found pintype %s\n", $type;
$pinlabel{$pin} =~ s/type:$type//;
$pindata{$pin}{type
} = $type;
}
$pinlabel{$pin} =~ s/^ +//;
$pinlabel{$pin} =~ s/ +$//;
$rlen{$pin} = &textlen($pinlabel{$pin});
if ($pinnumwidth < &textlen($pin)) {
$pinnumwidth = &textlen($pin);
}
if ($side =~ /left|right/) {
$y = $piny{$pin} = $y{$side};
$y{$side} += ($busmode ? 200 : 300);
}
if ($side =~ /top|bottom/) {
$tw = &alignpin((200 + $rlen{$pin}) / 2);
$pinx{$pin} = $w{$side} + $tw;
$w{$side} += $tw + $tw;
}
}
}
# parser finished here
# round to nearest multiple of 100 larger or equal to actual number
$pinnumwidth += 100 - ($pinnumwidth % 100);
$minpin = $labelpin;
$boxwidth = 0;
%bw = ();
# for each horizontal slice of the symbol, keep track of how much
# width is used up by the left, middle, and right labels.
for $lp (keys %pinside) {
next unless $pinside{$lp} =~ /left|right|label/;
$yb = &alignpin($piny{$lp});
for ($y=$yb-100; $y<=$yb+100; $y+=100) {
# again we got not numbers inside, so lt/gt operator dont work well.. need to track why and how fix
if ($bw{$y}{$pinside{$lp}} < $rlen{$lp}) {
$bw{$y}{$pinside{$lp}} = $rlen{$lp};
}
}
}
# Compute the height of the box.
for $p (keys %pinside) {
next unless $pinside{$p} =~ /left|right/;
if ($maxy < $piny{$p}) {
$maxy = $piny{$p};
}
}
$maxy += 300;
# Now, use the slice widths to compute the minimum width of the box.
for ($i=0; $i<$maxy; $i+=100) {
my $w = 0;
$w += $bw{$i}{left
} if (defined $bw{$i}{left
});
$w += $bw{$i}{labels
} if (defined $bw{$i}{labels
});
$w += $bw{$i}{right
} if (defined $bw{$i}{right
});
if ($bw{$i}{labels
}) {
$wl = ($bw{$i}{left
} + $bw{$i}{labels
}/2) * 2;
$w = $wl if $w < $wl;
$wl = ($bw{$i}{right
} + $bw{$i}{labels
}/2) * 2;
$w = $wl if $w < $wl;
}
# need to review that if()'s
if ($bw{$i}{left
} && $bw{$i}{labels
}) {
$w += 100;
} elsif ($bw{$i}{left
} && $bw{$i}{right
}) {
$w += 200;
}
if ($bw{$i}{right
} && $bw{$i}{labels
}) {
$w += 100;
}
if ($boxwidth < $w) {
$boxwidth = $w;
}
}
for ($i = $y{labels
}; $i <= 0; $i+=100) {
my $w = $bw{$i}{labels
};
$w += 100 - ($w%100
);
if (defined $blockname && defined $bw{$i}{labels
}) { # device name is longest, so rest arent affected
my ($p,$q) = split ('=', $blockname,2);
#printf STDERR "LINE %s %d w=%d\n", $bw{$i}{labels}, $i, $w;
$w += &textlen($q) + 100; # same space enforcement as it was for inside labels
#printf STDERR "LINE %s %d w=%d\n", $bw{$i}{labels}, $i, $w;
# so we have to block name width to $w here..
# but only in last line (device name)
}
#$w = (int($w/100) * 100) + (($w/100) > int($w/100))?100:0;
if ($boxwidth < $w) {
$boxwidth = $w;
}
}
#printf STDERR "test: %d\n", $y{labels};
$boxwidth = $w{top
} if $boxwidth < $w{top
};
$boxwidth = $w{bottom
} if $boxwidth < $w{bottom
};
# Flip Y coordinates (we count from the top, but symbols coordinates
# are from the bottom).
for $p (keys %pinside) {
next unless $pinside{$p} =~ /left|right/;
$piny{$p} = $maxy - $piny{$p} + 300;
}
for $p (keys %pinside) {
next unless $pinside{$p} =~ /label/;
$piny{$p} = $maxy + $piny{$p} - $minpin * 200 + 400;
}
$boxwidth = &alignpin($boxwidth);
$boxwidth += 200;
# Adjust the position of the top/bottom pins so that, as a group,
# they're centered.
for $p (keys %pinside) {
next unless $pinside{$p} =~ /top|bottom/;
$pinx{$p} += &alignpin(($boxwidth - $w{$pinside{$p}})/2) + $pinnumwidth;
}
# Labels are centered in the box.
# labels have to be top, lef
for $lp ($minpin..-1) {
#$pinx{$lp} = &alignpin($boxwidth/2) + 300;
$pinx{$lp} = $pinnumwidth;
}
# Version.
print "v 20060123 1\n";
# Symbol box.
printf("B %d %d %d %d 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1\n",
$pinnumwidth, 300, $boxwidth, $maxy);
# These are the hidden labels.
$ax = 300 + $boxwidth;
$ay = 400 + $maxy;
for $a (reverse @attrs) {
printf("T %d %d 9 10 0 0 0 0 1\n%s\n",
$ax, $ay, $a);
$ay += 200;
}
# blockname if present
if(defined $blockname) {
printf("T %d %d 5 10 1 1 0 6 1\n%s\n", $boxwidth + $pinnumwidth, $maxy + 400, $blockname);
}
# Now print all the pins.
# and here non digit numbers bug us too, so we need to rework..
for $p (sort {$a<=>$b} keys %pinside) {
next unless $pinside{$p};
if ($pinside{$p} eq "left") {
$pinx{$p} = $pinnumwidth;
}
if ($pinside{$p} eq "right") {
$pinx{$p} = $pinnumwidth + $boxwidth;
}
# here we get warning about undefined value in addition, probably one of things isnt defined..
if ($p > 0 && !$saw_pin{$p}) {
print STDERR "MISSING PIN $p\n";
$errors++;
} else {
printf STDERR ("%3d %-6s %4d %4d %s\n",
$p, $pinside{$p}, $pinx{$p}, $piny{$p}, $pinlabel{$p});
}
eval "&drawpin_$pinside{\"$p\"} (\"$p\")";
}
# what remains are helper functions; for drawing each type of pin,
# each type of label, etc.
sub drawpin_nc
{
}
sub drawpin_top
{
my($pin) = @_;
$y = $maxy + 300;
printf("P %d %d %d %d 1 0 0\n",
$pinx{$pin}, $y+300, $pinx{$pin}, $y);
print "{\n";
&pltext($pinx{$pin}, $y-50, 5, $pinlabel{$pin});
&ntext($pinx{$pin}+50, $y+50, 0, $pin);
print "}\n";
}
sub drawpin_bottom
{
my($pin) = @_;
printf("P %d %d %d %d 1 0 0\n",
$pinx{$pin}, 0, $pinx{$pin}, 300);
print "{\n";
&pltext($pinx{$pin}, 350, 3, $pinlabel{$pin});
&ntext($pinx{$pin}+50, 250, 2, $pin);
print "}\n";
}
sub drawpin_labels
{
my($pin) = @_;
<ext($pinx{$pin}, $piny{$pin}, 0, $pinlabel{$pin});
}
sub circle
{
my ($x, $y) = @_;
print "V $x $y 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1\n";
}
sub drawpin_left
{
my($pin) = @_;
$x = $pinx{$pin};
$px = 50;
if ($bubble{$pin}) {
$x -= 100;
&circle($x+50, $piny{$pin});
}
if ($edge{$pin}) {
$px += 100;
printf("L %d %d %d %d 3 0 0 0 0 0\n",
$pinx{$pin}, $piny{$pin}-50,
$pinx{$pin}+100, $piny{$pin});
printf("L %d %d %d %d 3 0 0 0 0 0\n",
$pinx{$pin}+100, $piny{$pin},
$pinx{$pin}, $piny{$pin}+50);
}
printf("P %d %d %d %d 1 0 0\n",
$pinx{$pin} - $pinnumwidth, $piny{$pin}, $x, $piny{$pin});
print "{\n";
&pltext($pinx{$pin} + $px, $piny{$pin}, 1, $pinlabel{$pin});
# pintype
if (defined $pindata{$pin} && defined $pindata{$pin}{type
}) {
printf("T %d %d 5 8 1 1 0 8 1\n%s\n", $pinx{$pin} - 50,
$piny{$pin} - 25, $pindata{$pin}{type
});
}
&ntext($pinx{$pin} -100, $piny{$pin} + 50, 6, $pin);
print "}\n";
}
sub drawpin_right
{
my($pin) = @_;
$x = $pinx{$pin};
$px = 50;
if ($bubble{$pin}) {
$x += 100;
&circle($x-50, $piny{$pin});
}
if ($edge{$pin}) {
$px += 100;
printf("L %d %d %d %d 3 0 0 0 0 0\n",
$pinx{$pin}, $piny{$pin}-50,
$pinx{$pin}-100, $piny{$pin});
printf("L %d %d %d %d 3 0 0 0 0 0\n",
$pinx{$pin}-100, $piny{$pin},
$pinx{$pin}, $piny{$pin}+50);
}
printf("P %d %d %d %d 1 0 0\n",
$pinx{$pin} + $pinnumwidth, $piny{$pin}, $x, $piny{$pin});
print "{\n";
&pltext($pinx{$pin} - $px, $piny{$pin}, 7, $pinlabel{$pin});
# pintype
if (defined $pindata{$pin} && defined $pindata{$pin}{type
}) {
printf("T %d %d 5 8 1 1 0 2 1\n%s\n", $pinx{$pin} + 50,
$piny{$pin} - 25, $pindata{$pin}{type
});
}
&ntext($pinx{$pin} +100, $piny{$pin} + 50, 0, $pin);
print "}\n";
}
sub ntext
{
my ($x, $y, $a, $s) = @_;
printf("T %d %d 5 8 1 1 0 %s 1\npinnumber=%s\n", $x, $y, $a, $s);
printf("T %d %d 5 8 0 1 0 %s 1\npinseq=%s\n", $x, $y, $a, $s);
}
sub pltext
{
my ($x, $y, $a, $s) = @_;
$s = "pinlabel=$s" unless $s =~ /=/;
printf("T %d %d 9 10 1 1 0 %s 1\n%s\n", $x, $y, $a, $s);
}
sub ltext
{
my ($x, $y, $a, $s) = @_;
printf("T %d %d 5 10 1 1 0 %s 1\n%s\n", $x, $y, $a, $s);
}
sub textlen
{
my($t) = @_;
$t =~ s/^[^=]*=//;
$t =~ s@\
\_@@g;
return length($t) * 120;
}
sub alignpin
{
my($v) = @_;
return int(($v + 99) / 100) * 100;
}
exit $errors;