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Merge pull request #53 from drowe67/dr-sm1000
Windows DFU cleanup, thanks everyone :-)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,206 @@ | ||
| #!/usr/bin/env python2 | ||
| # | ||
| # Intel HEX to ST microelectronics DfuSe file converter | ||
| # Copyright (C)2015 Thomas Kindler <mail@t-kindler.de> | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # | ||
| import os | ||
| import struct | ||
| import argparse | ||
| from zlib import crc32 | ||
| from intelhex import IntelHex | ||
|
|
||
|
|
||
| def load_hex(): | ||
| """ | ||
| Load hex or binary file. | ||
| :return: intelhex object | ||
| """ | ||
| if args.verbose: | ||
| print "Loading %s..." % args.source | ||
|
|
||
| try: | ||
| ih = IntelHex() | ||
|
|
||
| if args.format == "hex": | ||
| ih.loadhex(args.source) | ||
| else: | ||
| ih.loadbin(args.source, args.start_addr) | ||
|
|
||
| except Exception, e: | ||
| print e | ||
| exit(1) | ||
|
|
||
| if args.verbose: | ||
| print " Start: 0x%08x" % ih.minaddr() | ||
| print " End : 0x%08x" % ih.maxaddr() | ||
|
|
||
| return ih | ||
|
|
||
|
|
||
| def save_dfu(ih): | ||
| """ | ||
| Save as STMicroelectronics DfuSe file. | ||
| see UM0391 - DfuSe File Format Specification | ||
| :param ih: intelhex object | ||
| """ | ||
| if args.verbose: | ||
| print "Saving %s..." % args.target | ||
| print " Device ID: 0x%04x:0x%04x" % (args.vid, args.pid) | ||
| print " Target name: %s" % args.target_name | ||
|
|
||
| # Image element | ||
| # | ||
| image_data = ih.tobinstr() | ||
|
|
||
| data = struct.pack( | ||
| "<II", | ||
| ih.minaddr(), # dwElementAddress | ||
| len(image_data) # dwElementSize | ||
| ) + image_data # Data | ||
|
|
||
| # Target prefix | ||
| # | ||
| szTargetName = args.target_name.encode("ascii") | ||
|
|
||
| data = struct.pack( | ||
| "<6sBI255sII", | ||
| b"Target", # szSignature | ||
| 0, # bAlternateSetting | ||
| 1, # bTargetNamed | ||
| szTargetName, # szTargetName | ||
| len(data), # dwTargetSize | ||
| 1 # dwNbElements | ||
| ) + data | ||
|
|
||
| # Prefix | ||
| # | ||
| data = struct.pack( | ||
| "<5sBIB", | ||
| b"DfuSe", # szSignature | ||
| 0x01, # bVersion, | ||
| len(data)+11, # DFUImageSize, | ||
| 1 # bTargets | ||
| ) + data | ||
|
|
||
| # Suffix | ||
| # | ||
| data += struct.pack( | ||
| "<HHHH3sB", | ||
| 0xFFFF, # bcdDevice | ||
| args.pid, # idProduct | ||
| args.vid, # idVendor | ||
| 0x011a, # bdcDFU | ||
| b"UFD", # ucDfuSignature | ||
| 16 # bLength | ||
| ) | ||
|
|
||
| dwCRC = ~crc32(data) & 0xFFFFFFFF | ||
|
|
||
| data += struct.pack( | ||
| "<I", | ||
| dwCRC # dwCRC | ||
| ) | ||
|
|
||
| try: | ||
| open(args.target, "wb").write(data) | ||
|
|
||
| except Exception, e: | ||
| print e | ||
| exit(1) | ||
|
|
||
|
|
||
| # Parse arguments | ||
| # | ||
| DEFAULT_DEVICE = "0x0483:0xdf11" | ||
|
|
||
| parser = argparse.ArgumentParser( | ||
| description="Convert hex files to STMicroelectronics DfuSe format" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "--version", | ||
| action="version", | ||
| version="%(prog)s 1.1.0" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "-q", "--quiet", dest="verbose", | ||
| default=True, | ||
| action="store_false", | ||
| help="do not print status messages" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "source", help="source file" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "target", nargs = "?", | ||
| help="target file" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "-f", "--format", | ||
| default="hex", choices=["hex", "bin"], | ||
| help="source file format (default: %(default)s)" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "-s", "--start", dest="start_addr", | ||
| help="set start address (for bin files)" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "-d", "--device", | ||
| default=DEFAULT_DEVICE, | ||
| help="device VID:PID (default: %(default)s)" | ||
| ) | ||
|
|
||
| parser.add_argument( | ||
| "-n", "--name", dest="target_name", | ||
| default="application", | ||
| help="target name (default: %(default)s)" | ||
| ) | ||
|
|
||
| args=parser.parse_args() | ||
|
|
||
| # Check arguments | ||
| # | ||
| if args.target == None: | ||
| (root, ext) = os.path.splitext(args.source) | ||
| args.target = root + ".dfu" | ||
|
|
||
|
|
||
| if args.format == "bin": | ||
| if args.start_addr == None: | ||
| print "option --start required for binary files" | ||
| exit(1) | ||
|
|
||
| args.start_addr = int(args.start_addr, 0) | ||
| else: | ||
| if args.start_addr != None: | ||
| print "option --start not allowed for hex files" | ||
| exit(1) | ||
|
|
||
|
|
||
| args.vid = int(args.device.split(':', 1)[0], 0) | ||
| args.pid = int(args.device.split(':', 1)[1], 0) | ||
|
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||
|
|
||
| # Convert file | ||
| # | ||
| save_dfu( load_hex() ) |
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