experiments9/coriolis2/ioring.py

   1 #!/usr/bin/env python
   2
   3 from helpers import l, u, n
   4 import os
   5 import json
   6
   7 def _byteify(data, ignore_dicts = False):
   8     # if this is a unicode string, return its string representation
   9     if isinstance(data, unicode):
  10         return data.encode('utf-8')
  11     # if this is a list of values, return list of byteified values
  12     if isinstance(data, list):
  13         return [ _byteify(item, ignore_dicts=True) for item in data ]
  14     # if this is a dictionary, return dictionary of byteified keys and values
  15     # but only if we haven't already byteified it
  16     if isinstance(data, dict) and not ignore_dicts:
  17         return dict((_byteify(key, ignore_dicts=True),
  18                     _byteify(value, ignore_dicts=True))
  19                         for key, value in data.iteritems())
  20     # if it's anything else, return it in its original form
  21     return data
  22
  23 # load JSON-formatted pad info from pinmux
  24 pth = os.path.abspath(__file__)
  25 pth = os.path.split(pth)[0]
  26 print "path", pth
  27 with open("%s/ls180/litex_pinpads.json" % pth) as f:
  28     txt = f.read()
  29 chip = json.loads(txt, object_hook=_byteify)
  30 chip = _byteify(chip, ignore_dicts=True)
  31 print chip
  32
  33 chip.update({ 'pads.ioPadGauge' : 'pxlib',
  34           # core option (big, time-consuming)
  35           #'core.size'       : ( l(28000), l(28000) ),
  36           #'chip.size'       : ( l(30200), l(30200) ),
  37           # no-core option (test_issuer but no actual core)
  38           'core.size'       : ( l(13000), l(13000) ),
  39           'chip.size'       : ( l(14400), l(14400) ),
  40           'pads.useCoreSize': True,
  41           'chip.clockTree'  : True,
  42        })