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-rwxr-xr-xtinyusb/hw/bsp/fomu/dfu.py95
1 files changed, 0 insertions, 95 deletions
diff --git a/tinyusb/hw/bsp/fomu/dfu.py b/tinyusb/hw/bsp/fomu/dfu.py
deleted file mode 100755
index 32479350..00000000
--- a/tinyusb/hw/bsp/fomu/dfu.py
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/usr/bin/python
-
-# Written by Antonio Galea - 2010/11/18
-# Updated for DFU 1.1 by Sean Cross - 2020/03/31
-# Distributed under Gnu LGPL 3.0
-# see http://www.gnu.org/licenses/lgpl-3.0.txt
-
-import sys,struct,zlib,os
-from optparse import OptionParser
-
-DEFAULT_DEVICE="0x1209:0x5bf0"
-
-def named(tuple,names):
- return dict(zip(names.split(),tuple))
-def consume(fmt,data,names):
- n = struct.calcsize(fmt)
- return named(struct.unpack(fmt,data[:n]),names),data[n:]
-def cstring(string):
- return string.split('\0',1)[0]
-def compute_crc(data):
- return 0xFFFFFFFF & -zlib.crc32(data) -1
-
-def parse(file,dump_images=False):
- print ('File: "%s"' % file)
- data = open(file,'rb').read()
- crc = compute_crc(data[:-4])
- data = data[len(data)-16:]
- suffix = named(struct.unpack('<4H3sBI',data[:16]),'device product vendor dfu ufd len crc')
- print ('usb: %(vendor)04x:%(product)04x, device: 0x%(device)04x, dfu: 0x%(dfu)04x, %(ufd)s, %(len)d, 0x%(crc)08x' % suffix)
- if crc != suffix['crc']:
- print ("CRC ERROR: computed crc32 is 0x%08x" % crc)
- data = data[16:]
- if data:
- print ("PARSE ERROR")
-
-def build(file,data,device=DEFAULT_DEVICE):
- # Parse the VID and PID from the `device` argument
- v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
-
- # Generate the DFU suffix, consisting of these fields:
- # Field name | Length | Description
- # ================+=========+================================
- # bcdDevice | 2 | The release number of this firmware (0xffff - don't care)
- # idProduct | 2 | PID of this device
- # idVendor | 2 | VID of this device
- # bcdDFU | 2 | Version of this DFU spec (0x01 0x00)
- # ucDfuSignature | 3 | The characters 'DFU', printed in reverse order
- # bLength | 1 | The length of this suffix (16 bytes)
- # dwCRC | 4 | A CRC32 of the data, including this suffix
- data += struct.pack('<4H3sB',0xffff,d,v,0x0100,b'UFD',16)
- crc = compute_crc(data)
- # Append the CRC32 of the entire block
- data += struct.pack('<I',crc)
- open(file,'wb').write(data)
-
-if __name__=="__main__":
- usage = """
-%prog [-d|--dump] infile.dfu
-%prog {-b|--build} file.bin [{-D|--device}=vendor:device] outfile.dfu"""
- parser = OptionParser(usage=usage)
- parser.add_option("-b", "--build", action="store", dest="binfile",
- help="build a DFU file from given BINFILE", metavar="BINFILE")
- parser.add_option("-D", "--device", action="store", dest="device",
- help="build for DEVICE, defaults to %s" % DEFAULT_DEVICE, metavar="DEVICE")
- parser.add_option("-d", "--dump", action="store_true", dest="dump_images",
- default=False, help="dump contained images to current directory")
- (options, args) = parser.parse_args()
-
- if options.binfile and len(args)==1:
- binfile = options.binfile
- if not os.path.isfile(binfile):
- print ("Unreadable file '%s'." % binfile)
- sys.exit(1)
- target = open(binfile,'rb').read()
- outfile = args[0]
- device = DEFAULT_DEVICE
- # If a device is specified, parse the pair into a VID:PID pair
- # in order to validate them.
- if options.device:
- device=options.device
- try:
- v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
- except:
- print ("Invalid device '%s'." % device)
- sys.exit(1)
- build(outfile,target,device)
- elif len(args)==1:
- infile = args[0]
- if not os.path.isfile(infile):
- print ("Unreadable file '%s'." % infile)
- sys.exit(1)
- parse(infile, dump_images=options.dump_images)
- else:
- parser.print_help()
- sys.exit(1)