litex/soc/cores/identifier.py

   1 # This file is Copyright (c) 2013-2015 Sebastien Bourdeauducq <sb@m-labs.hk>
   2 # License: BSD
   3
   4 from migen import *
   5
   6 # Identifier ---------------------------------------------------------------------------------------
   7
   8 class Identifier(Module):
   9     def __init__(self, ident):
  10         contents = list(ident.encode())
  11         l = len(contents)
  12         if l > 255:
  13             raise ValueError("Identifier string must be 255 characters or less")
  14         contents.append(0)
  15         self.mem = Memory(8, len(contents), init=contents)
  16
  17     def get_memories(self):
  18         return [(True, self.mem)]