Subversion Repositories OpenARM Single-board Computer

#!/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);

# 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) {

                        $y{$side} += 200;

                        $busmode = 0;

                }

                if ($space) {

                        if ($side =~ /left|right/) {

                                $y{$side} += 300;

                        } elsif ($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;

                }

                $rlen{$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) = @_;

    &ltext($pinx{$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});

    &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});

    &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;