src/spec/gen.py

   1 import os
   2 import os.path
   3 from spec.interfaces import Pinouts
   4
   5 def specgen(pth, pinouts, bankspec, fixedpins):
   6     """ generates a specification of pinouts (tsv files)
   7         for reading in by pinmux
   8     """
   9     pth = pth or ''
  10     #print bankspec.keys()
  11     #print fixedpins.keys()
  12     if not os.path.exists(pth):
  13         os.makedirs(pth)
  14     with open(os.path.join(pth, 'interfaces.txt'), 'w') as f:
  15         for k in pinouts.fnspec.keys():
  16             s = pinouts.fnspec[k]
  17             f.write("%s\t%d\n" % (k.lower(), len(s)))
  18             s0 = s[s.keys()[0]] # hack, take first
  19             with open(os.path.join(pth, '%s.txt' % k.lower()), 'w') as g:
  20                 if len(s0.pingroup) == 1: # only one function, grouped higher up
  21                     for ks in s.keys():  # grouped by interface
  22                         k = "%s_%s" % (s[ks].fname, s[ks].suffix)
  23                         k_ = k.lower()
  24                         g.write("%s\t%s\n" % (k_, fntype))
  25                 else:
  26                     for pinname in s0.pingroup:
  27                         fntype = s0.fntype.get(pinname, 'inout')
  28                         k_ = k.lower()
  29                         pn = pinname.lower()
  30                         g.write("%s_%s\t%s\n" % (k_, pn, fntype))
  31
  32     pks = pinouts.keys()
  33     pks.sort()
  34
  35     # truly dreadful way to work out the max mux size...
  36     muxsz = 0
  37     for k in pks:
  38         for m in pinouts[k].keys():
  39             muxsz = max(muxsz, m + 1)
  40
  41     with open(os.path.join(pth, 'pinmap.txt'), 'w') as g:
  42         for k in pks:
  43             res = [str(k)]
  44             # append pin mux
  45             for midx in range(muxsz):
  46                 if pinouts[k].has_key(midx):
  47                     fname = pinouts[k][midx][0]
  48                 else:
  49                     fname = ''
  50                 print k, midx, fname
  51                 res.append(fname.lower())
  52             g.write('\t'.join(res) + '\n')