xorn/src/backend/gnet_gossip.py

   1 # gaf.netlist - gEDA Netlist Extraction and Generation
   2 # Copyright (C) 1998-2010 Ales Hvezda
   3 # Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
   4 # Copyright (C) 2013-2020 Roland Lutz
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20 # Netlister for GOSSIP system simulation system
  21 #  For more info see http://gossip.sourceforge.net
  22
  23 def run(f, netlist):
  24     f.write(';; Gossip Netlist Created by gNetlist\n')
  25     f.write('\n')
  26     f.write(';; Created By Matt Ettus <matt@ettus.com>\n')
  27     f.write(';; Libraries:\n')
  28     f.write('\n')
  29
  30     done = set()
  31     for package in reversed(netlist.packages):
  32         lib = package.get_attribute('library', 'unknown')
  33         if lib == 'unknown':
  34             package.warn("does not have a library attribute")
  35         if lib in done:
  36             continue
  37
  38         f.write('(use-library %s *)\n' % lib)
  39         done.add(lib)
  40
  41     blockname = netlist.get_toplevel_attribute('blockname', 'not found')
  42     f.write('(define-block (%s (\n' % blockname)
  43     f.write('(signals (%s))\n' % ' '.join(
  44         net.name for net in reversed(netlist.nets)))
  45
  46     for package in reversed(netlist.packages):
  47         f.write('   (')
  48         f.write(package.refdes)
  49
  50         i = 1
  51         while True:
  52             if str(i) not in package.pins_by_number:
  53                 break
  54             pin = package.pins_by_number[str(i)]
  55             pinname = pin.get_attribute('label', None)
  56             if pinname is None:
  57                 break
  58
  59             f.write(' :%s ' % pinname)
  60
  61             if not pin.net.is_unconnected_pin:
  62                 f.write(pin.net.name)
  63             else:
  64                 f.write('Not Connected')
  65
  66             i += 1
  67
  68         f.write(')\n')