mirror of
https://github.com/micropython/micropython.git
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all: Reformat C and Python source code with tools/codeformat.py.
This is run with uncrustify 0.70.1, and black 19.10b0.
This commit is contained in:
Damien George
252
tools/dfu.py
252
tools/dfu.py
@@ -4,122 +4,160 @@
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# Distributed under Gnu LGPL 3.0
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# see http://www.gnu.org/licenses/lgpl-3.0.txt
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import sys,struct,zlib,os
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import sys, struct, zlib, os
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from optparse import OptionParser
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DEFAULT_DEVICE="0x0483:0xdf11"
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DEFAULT_DEVICE = "0x0483:0xdf11"
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def named(tuple, names):
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return dict(zip(names.split(), tuple))
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def consume(fmt, data, names):
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n = struct.calcsize(fmt)
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return named(struct.unpack(fmt, data[:n]), names), data[n:]
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def named(tuple,names):
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return dict(zip(names.split(),tuple))
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def consume(fmt,data,names):
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n = struct.calcsize(fmt)
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return named(struct.unpack(fmt,data[:n]),names),data[n:]
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def cstring(string):
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return string.split('\0',1)[0]
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return string.split("\0", 1)[0]
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def compute_crc(data):
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return 0xFFFFFFFF & -zlib.crc32(data) -1
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return 0xFFFFFFFF & -zlib.crc32(data) - 1
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def parse(file,dump_images=False):
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print ('File: "%s"' % file)
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data = open(file,'rb').read()
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crc = compute_crc(data[:-4])
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prefix, data = consume('<5sBIB',data,'signature version size targets')
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print ('%(signature)s v%(version)d, image size: %(size)d, targets: %(targets)d' % prefix)
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for t in range(prefix['targets']):
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tprefix, data = consume('<6sBI255s2I',data,'signature altsetting named name size elements')
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tprefix['num'] = t
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if tprefix['named']:
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tprefix['name'] = cstring(tprefix['name'])
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else:
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tprefix['name'] = ''
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print ('%(signature)s %(num)d, alt setting: %(altsetting)s, name: "%(name)s", size: %(size)d, elements: %(elements)d' % tprefix)
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tsize = tprefix['size']
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target, data = data[:tsize], data[tsize:]
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for e in range(tprefix['elements']):
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eprefix, target = consume('<2I',target,'address size')
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eprefix['num'] = e
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print (' %(num)d, address: 0x%(address)08x, size: %(size)d' % eprefix)
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esize = eprefix['size']
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image, target = target[:esize], target[esize:]
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if dump_images:
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out = '%s.target%d.image%d.bin' % (file,t,e)
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open(out,'wb').write(image)
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print (' DUMPED IMAGE TO "%s"' % out)
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if len(target):
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print ("target %d: PARSE ERROR" % t)
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suffix = named(struct.unpack('<4H3sBI',data[:16]),'device product vendor dfu ufd len crc')
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print ('usb: %(vendor)04x:%(product)04x, device: 0x%(device)04x, dfu: 0x%(dfu)04x, %(ufd)s, %(len)d, 0x%(crc)08x' % suffix)
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if crc != suffix['crc']:
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print ("CRC ERROR: computed crc32 is 0x%08x" % crc)
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data = data[16:]
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if data:
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print ("PARSE ERROR")
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def build(file,targets,device=DEFAULT_DEVICE):
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data = b''
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for t,target in enumerate(targets):
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tdata = b''
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for image in target:
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# pad image to 8 bytes (needed at least for L476)
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pad = (8 - len(image['data']) % 8 ) % 8
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image['data'] = image['data'] + bytes(bytearray(8)[0:pad])
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#
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tdata += struct.pack('<2I',image['address'],len(image['data']))+image['data']
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tdata = struct.pack('<6sBI255s2I',b'Target',0,1, b'ST...',len(tdata),len(target)) + tdata
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data += tdata
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data = struct.pack('<5sBIB',b'DfuSe',1,len(data)+11,len(targets)) + data
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v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
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data += struct.pack('<4H3sB',0,d,v,0x011a,b'UFD',16)
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crc = compute_crc(data)
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data += struct.pack('<I',crc)
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open(file,'wb').write(data)
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def parse(file, dump_images=False):
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print('File: "%s"' % file)
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data = open(file, "rb").read()
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crc = compute_crc(data[:-4])
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prefix, data = consume("<5sBIB", data, "signature version size targets")
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print("%(signature)s v%(version)d, image size: %(size)d, targets: %(targets)d" % prefix)
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for t in range(prefix["targets"]):
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tprefix, data = consume(
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"<6sBI255s2I", data, "signature altsetting named name size elements"
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)
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tprefix["num"] = t
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if tprefix["named"]:
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tprefix["name"] = cstring(tprefix["name"])
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else:
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tprefix["name"] = ""
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print(
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'%(signature)s %(num)d, alt setting: %(altsetting)s, name: "%(name)s", size: %(size)d, elements: %(elements)d'
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% tprefix
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)
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tsize = tprefix["size"]
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target, data = data[:tsize], data[tsize:]
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for e in range(tprefix["elements"]):
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eprefix, target = consume("<2I", target, "address size")
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eprefix["num"] = e
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print(" %(num)d, address: 0x%(address)08x, size: %(size)d" % eprefix)
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esize = eprefix["size"]
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image, target = target[:esize], target[esize:]
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if dump_images:
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out = "%s.target%d.image%d.bin" % (file, t, e)
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open(out, "wb").write(image)
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print(' DUMPED IMAGE TO "%s"' % out)
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if len(target):
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print("target %d: PARSE ERROR" % t)
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suffix = named(struct.unpack("<4H3sBI", data[:16]), "device product vendor dfu ufd len crc")
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print(
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"usb: %(vendor)04x:%(product)04x, device: 0x%(device)04x, dfu: 0x%(dfu)04x, %(ufd)s, %(len)d, 0x%(crc)08x"
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% suffix
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)
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if crc != suffix["crc"]:
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print("CRC ERROR: computed crc32 is 0x%08x" % crc)
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data = data[16:]
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if data:
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print("PARSE ERROR")
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if __name__=="__main__":
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usage = """
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def build(file, targets, device=DEFAULT_DEVICE):
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data = b""
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for t, target in enumerate(targets):
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tdata = b""
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for image in target:
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# pad image to 8 bytes (needed at least for L476)
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pad = (8 - len(image["data"]) % 8) % 8
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image["data"] = image["data"] + bytes(bytearray(8)[0:pad])
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#
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tdata += struct.pack("<2I", image["address"], len(image["data"])) + image["data"]
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tdata = (
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struct.pack("<6sBI255s2I", b"Target", 0, 1, b"ST...", len(tdata), len(target)) + tdata
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)
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data += tdata
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data = struct.pack("<5sBIB", b"DfuSe", 1, len(data) + 11, len(targets)) + data
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v, d = map(lambda x: int(x, 0) & 0xFFFF, device.split(":", 1))
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data += struct.pack("<4H3sB", 0, d, v, 0x011A, b"UFD", 16)
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crc = compute_crc(data)
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data += struct.pack("<I", crc)
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open(file, "wb").write(data)
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if __name__ == "__main__":
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usage = """
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%prog [-d|--dump] infile.dfu
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%prog {-b|--build} address:file.bin [-b address:file.bin ...] [{-D|--device}=vendor:device] outfile.dfu"""
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parser = OptionParser(usage=usage)
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parser.add_option("-b", "--build", action="append", dest="binfiles",
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help="build a DFU file from given BINFILES", metavar="BINFILES")
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parser.add_option("-D", "--device", action="store", dest="device",
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help="build for DEVICE, defaults to %s" % DEFAULT_DEVICE, metavar="DEVICE")
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parser.add_option("-d", "--dump", action="store_true", dest="dump_images",
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default=False, help="dump contained images to current directory")
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(options, args) = parser.parse_args()
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parser = OptionParser(usage=usage)
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parser.add_option(
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"-b",
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"--build",
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action="append",
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dest="binfiles",
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help="build a DFU file from given BINFILES",
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metavar="BINFILES",
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)
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parser.add_option(
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"-D",
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"--device",
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action="store",
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dest="device",
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help="build for DEVICE, defaults to %s" % DEFAULT_DEVICE,
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metavar="DEVICE",
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)
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parser.add_option(
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"-d",
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"--dump",
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action="store_true",
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dest="dump_images",
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default=False,
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help="dump contained images to current directory",
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)
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(options, args) = parser.parse_args()
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if options.binfiles and len(args)==1:
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target = []
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for arg in options.binfiles:
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try:
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address,binfile = arg.split(':',1)
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except ValueError:
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print ("Address:file couple '%s' invalid." % arg)
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if options.binfiles and len(args) == 1:
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target = []
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for arg in options.binfiles:
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try:
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address, binfile = arg.split(":", 1)
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except ValueError:
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print("Address:file couple '%s' invalid." % arg)
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sys.exit(1)
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try:
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address = int(address, 0) & 0xFFFFFFFF
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except ValueError:
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print("Address %s invalid." % address)
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sys.exit(1)
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if not os.path.isfile(binfile):
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print("Unreadable file '%s'." % binfile)
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sys.exit(1)
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target.append({"address": address, "data": open(binfile, "rb").read()})
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outfile = args[0]
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device = DEFAULT_DEVICE
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if options.device:
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device = options.device
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try:
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v, d = map(lambda x: int(x, 0) & 0xFFFF, device.split(":", 1))
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except:
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print("Invalid device '%s'." % device)
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sys.exit(1)
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build(outfile, [target], device)
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elif len(args) == 1:
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infile = args[0]
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if not os.path.isfile(infile):
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print("Unreadable file '%s'." % infile)
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sys.exit(1)
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parse(infile, dump_images=options.dump_images)
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else:
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parser.print_help()
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sys.exit(1)
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try:
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address = int(address,0) & 0xFFFFFFFF
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except ValueError:
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print ("Address %s invalid." % address)
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sys.exit(1)
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if not os.path.isfile(binfile):
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print ("Unreadable file '%s'." % binfile)
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sys.exit(1)
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target.append({ 'address': address, 'data': open(binfile,'rb').read() })
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outfile = args[0]
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device = DEFAULT_DEVICE
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if options.device:
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device=options.device
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try:
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v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
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except:
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print ("Invalid device '%s'." % device)
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sys.exit(1)
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build(outfile,[target],device)
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elif len(args)==1:
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infile = args[0]
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if not os.path.isfile(infile):
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print ("Unreadable file '%s'." % infile)
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sys.exit(1)
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parse(infile, dump_images=options.dump_images)
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else:
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parser.print_help()
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sys.exit(1)
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