litex/build/generic_programmer.py

   1 import os, sys
   2 from litex.build import tools
   3
   4
   5 class GenericProgrammer:
   6     def __init__(self, flash_proxy_basename=None):
   7         self.flash_proxy_basename = flash_proxy_basename
   8         self.flash_proxy_dirs = [
   9             "~/.migen", "/usr/local/share/migen", "/usr/share/migen",
  10             "~/.mlabs", "/usr/local/share/mlabs", "/usr/share/mlabs",
  11             "~/.litex", "/usr/local/share/litex", "/usr/share/litex"]
  12
  13     def set_flash_proxy_dir(self, flash_proxy_dir):
  14         if flash_proxy_dir is not None:
  15             self.flash_proxy_dirs = [flash_proxy_dir]
  16
  17     def find_flash_proxy(self):
  18         for d in self.flash_proxy_dirs:
  19             fulldir = os.path.abspath(os.path.expanduser(d))
  20             fullname = tools.cygpath(os.path.join(fulldir, self.flash_proxy_basename))
  21             if os.path.exists(fullname):
  22                 return fullname
  23         raise OSError("Failed to find flash proxy bitstream")
  24
  25     # must be overloaded by specific programmer
  26     def load_bitstream(self, bitstream_file):
  27         raise NotImplementedError
  28
  29     # must be overloaded by specific programmer
  30     def flash(self, address, data_file):
  31         raise NotImplementedError
  32
  33