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