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Merge pull request #952 from smunaut/dfu

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build/DFUProg: Allow to specify alt interface and to not reboot
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enjoy-digital 2021-06-22 12:03:43 +02:00 committed by GitHub
commit 26df3fa2c4
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1 changed files with 10 additions and 3 deletions
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13
litex/build/dfu.py
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@ -14,11 +14,18 @@ from litex.build.generic_programmer import GenericProgrammer
class DFUProg(GenericProgrammer):
needs_bitreverse = False
def __init__(self, vid, pid):
def __init__(self, vid, pid, alt=None):
self.vid = vid
self.pid = pid
self.alt = alt
def load_bitstream(self, bitstream_file):
def load_bitstream(self, bitstream_file, reset=True):
subprocess.call(["cp", bitstream_file, bitstream_file + ".dfu"])
subprocess.call(["dfu-suffix", "-v", self.vid, "-p", self.pid, "-a", bitstream_file + ".dfu"])
subprocess.call(["dfu-util", "--download", bitstream_file + ".dfu", "-R"])
flash_cmd = ["dfu-util", "--download", bitstream_file + ".dfu"]
if reset:
flash_cmd.append("-R")
if self.alt is not None:
flash_cmd.extend(["-a", str(self.alt)])
subprocess.call(flash_cmd)