litex/build/dfu.py

   1 # This file is Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
   2 # License: BSD
   3
   4 import subprocess
   5
   6 from litex.build.tools import write_to_file
   7 from litex.build.generic_programmer import GenericProgrammer
   8
   9 # DFUProg ------------------------------------------------------------------------------------------
  10
  11 class DFUProg(GenericProgrammer):
  12     needs_bitreverse = False
  13
  14     def __init__(self, vid, pid):
  15         self.vid = vid
  16         self.pid = pid
  17
  18     def load_bitstream(self, bitstream_file):
  19         subprocess.call(["cp", bitstream_file, bitstream_file + ".dfu"])
  20         subprocess.call(["dfu-suffix", "-v", self.vid, "-p", self.pid, "-a", bitstream_file + ".dfu"])
  21         subprocess.call(["dfu-util", "--download", bitstream_file + ".dfu"])