32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
#
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# This file is part of LiteX.
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#
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# Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
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# SPDX-License-Identifier: BSD-2-Clause
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import subprocess
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from litex.build.tools import write_to_file
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from litex.build.generic_programmer import GenericProgrammer
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# DFUProg ------------------------------------------------------------------------------------------
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class DFUProg(GenericProgrammer):
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needs_bitreverse = False
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def __init__(self, vid, pid, alt=None):
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self.vid = vid
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self.pid = pid
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self.alt = alt
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def load_bitstream(self, bitstream_file, reset=True):
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subprocess.call(["cp", bitstream_file, bitstream_file + ".dfu"])
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subprocess.call(["dfu-suffix", "-v", self.vid, "-p", self.pid, "-a", bitstream_file + ".dfu"])
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flash_cmd = ["dfu-util", "--download", bitstream_file + ".dfu"]
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if reset:
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flash_cmd.append("-R")
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if self.alt is not None:
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flash_cmd.extend(["-a", str(self.alt)])
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subprocess.call(flash_cmd)
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