litex/gen/migen/build/generic_programmer.py

   1 import os
   2
   3
   4 class GenericProgrammer:
   5     def __init__(self, flash_proxy_basename=None):
   6         self.flash_proxy_basename = flash_proxy_basename
   7         self.flash_proxy_dirs = [
   8             "~/.migen", "/usr/local/share/migen", "/usr/share/migen",
   9             "~/.mlabs", "/usr/local/share/mlabs", "/usr/share/mlabs"]
  10
  11     def set_flash_proxy_dir(self, flash_proxy_dir):
  12         if flash_proxy_dir is not None:
  13             self.flash_proxy_dirs = [flash_proxy_dir]
  14
  15     def find_flash_proxy(self):
  16         for d in self.flash_proxy_dirs:
  17             fulldir = os.path.abspath(os.path.expanduser(d))
  18             fullname = os.path.join(fulldir, self.flash_proxy_basename)
  19             if os.path.exists(fullname):
  20                 return fullname
  21         raise OSError("Failed to find flash proxy bitstream")
  22
  23     # must be overloaded by specific programmer
  24     def load_bitstream(self, bitstream_file):
  25         raise NotImplementedError
  26
  27     # must be overloaded by specific programmer
  28     def flash(self, address, data_file):
  29         raise NotImplementedError
  30
  31