first commit
This commit is contained in:
@@ -0,0 +1,206 @@
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#!/usr/bin/env python2
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#
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# Intel HEX to ST microelectronics DfuSe file converter
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# Copyright (C)2015 Thomas Kindler <mail@t-kindler.de>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import struct
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import argparse
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from zlib import crc32
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from intelhex import IntelHex
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def load_hex():
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"""
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Load hex or binary file.
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:return: intelhex object
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"""
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if args.verbose:
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print "Loading %s..." % args.source
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try:
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ih = IntelHex()
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if args.format == "hex":
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ih.loadhex(args.source)
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else:
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ih.loadbin(args.source, args.start_addr)
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except Exception, e:
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print e
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exit(1)
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if args.verbose:
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print " Start: 0x%08x" % ih.minaddr()
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print " End : 0x%08x" % ih.maxaddr()
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return ih
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def save_dfu(ih):
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"""
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Save as STMicroelectronics DfuSe file.
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see UM0391 - DfuSe File Format Specification
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:param ih: intelhex object
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"""
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if args.verbose:
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print "Saving %s..." % args.target
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print " Device ID: 0x%04x:0x%04x" % (args.vid, args.pid)
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print " Target name: %s" % args.target_name
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# Image element
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#
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image_data = ih.tobinstr()
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data = struct.pack(
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"<II",
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ih.minaddr(), # dwElementAddress
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len(image_data) # dwElementSize
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) + image_data # Data
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# Target prefix
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#
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szTargetName = args.target_name.encode("ascii")
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data = struct.pack(
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"<6sBI255sII",
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b"Target", # szSignature
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0, # bAlternateSetting
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1, # bTargetNamed
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szTargetName, # szTargetName
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len(data), # dwTargetSize
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1 # dwNbElements
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) + data
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# Prefix
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#
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data = struct.pack(
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"<5sBIB",
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b"DfuSe", # szSignature
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0x01, # bVersion,
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len(data)+11, # DFUImageSize,
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1 # bTargets
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) + data
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# Suffix
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#
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data += struct.pack(
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"<HHHH3sB",
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0xFFFF, # bcdDevice
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args.pid, # idProduct
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args.vid, # idVendor
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0x011a, # bdcDFU
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b"UFD", # ucDfuSignature
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16 # bLength
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)
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dwCRC = ~crc32(data) & 0xFFFFFFFF
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data += struct.pack(
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"<I",
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dwCRC # dwCRC
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)
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try:
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open(args.target, "wb").write(data)
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except Exception, e:
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print e
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exit(1)
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# Parse arguments
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#
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DEFAULT_DEVICE = "0x0483:0xdf11"
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parser = argparse.ArgumentParser(
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description="Convert hex files to STMicroelectronics DfuSe format"
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)
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parser.add_argument(
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"--version",
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action="version",
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version="%(prog)s 1.1.0"
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)
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parser.add_argument(
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"-q", "--quiet", dest="verbose",
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default=True,
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action="store_false",
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help="do not print status messages"
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)
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parser.add_argument(
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"source", help="source file"
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)
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parser.add_argument(
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"target", nargs = "?",
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help="target file"
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)
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parser.add_argument(
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"-f", "--format",
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default="hex", choices=["hex", "bin"],
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help="source file format (default: %(default)s)"
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)
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parser.add_argument(
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"-s", "--start", dest="start_addr",
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help="set start address (for bin files)"
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)
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parser.add_argument(
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"-d", "--device",
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default=DEFAULT_DEVICE,
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help="device VID:PID (default: %(default)s)"
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)
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parser.add_argument(
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"-n", "--name", dest="target_name",
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default="application",
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help="target name (default: %(default)s)"
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)
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args=parser.parse_args()
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# Check arguments
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#
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if args.target == None:
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(root, ext) = os.path.splitext(args.source)
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args.target = root + ".dfu"
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if args.format == "bin":
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if args.start_addr == None:
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print "option --start required for binary files"
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exit(1)
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args.start_addr = int(args.start_addr, 0)
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else:
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if args.start_addr != None:
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print "option --start not allowed for hex files"
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exit(1)
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args.vid = int(args.device.split(':', 1)[0], 0)
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args.pid = int(args.device.split(':', 1)[1], 0)
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# Convert file
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#
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save_dfu( load_hex() )
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+1286
File diff suppressed because it is too large
Load Diff
+357
@@ -0,0 +1,357 @@
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#!/usr/bin/python
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# (c) Alexander Belchenko, 2007, 2009
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"""Benchmarking.
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Run each test 3 times and get median value.
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Using 10K array as base test time.
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Each other test compared with base with next formula::
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Tc * Nb
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q = ---------
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Tb * Nc
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Here:
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* Tc - execution time of current test
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* Tb - execution time of base
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* Nb - array size of base (10K)
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* Nc - array size of current test
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If resulting value is ``q <= 1.0`` it's the best possible result,
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i.e. time increase proportionally to array size.
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"""
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from cStringIO import StringIO
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import gc
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import sys
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import time
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import intelhex
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def median(values):
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"""Return median value for the list of values.
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@param values: list of values for processing.
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@return: median value.
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"""
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values.sort()
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n = int(len(values) / 2)
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return values[n]
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def run_test(func, fobj):
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"""Run func with argument fobj and measure execution time.
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@param func: function for test
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@param fobj: data for test
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@return: execution time
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"""
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gc.disable()
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try:
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begin = time.time()
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func(fobj)
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end = time.time()
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finally:
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gc.enable()
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return end - begin
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def run_readtest_N_times(func, hexstr, n):
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"""Run each test N times.
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@param func: function for test
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@param hexstr: string with content of hex file to read
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@param n: times to repeat.
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@return: (median time, times list)
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"""
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assert n > 0
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times = []
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for i in xrange(n):
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sio = StringIO(hexstr)
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times.append(run_test(func, sio))
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sio.close()
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t = median(times)
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return t, times
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def run_writetest_N_times(func, n):
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"""Run each test N times.
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@param func: function for test
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@param n: times to repeat.
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@return: (median time, times list)
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"""
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assert n > 0
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times = []
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for i in xrange(n):
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sio = StringIO()
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times.append(run_test(func, sio))
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sio.close()
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t = median(times)
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return t, times
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def time_coef(tc, nc, tb, nb):
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"""Return time coefficient relative to base numbers.
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@param tc: current test time
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@param nc: current test data size
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@param tb: base test time
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@param nb: base test data size
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@return: time coef.
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"""
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tc = float(tc)
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nc = float(nc)
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tb = float(tb)
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nb = float(nb)
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q = (tc * nb) / (tb * nc)
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return q
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def get_test_data(n1, offset, n2):
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"""Create test data on given pattern.
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@param n1: size of first part of array at base address 0.
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@param offset: offset for second part of array.
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@param n2: size of second part of array at given offset.
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@return: (overall size, hex file, IntelHex object)
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"""
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# make IntelHex object
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ih = intelhex.IntelHex()
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addr = 0
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for i in xrange(n1):
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ih[addr] = addr % 256
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addr += 1
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addr += offset
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for i in xrange(n2):
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ih[addr] = addr % 256
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addr += 1
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# make hex file
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sio = StringIO()
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ih.write_hex_file(sio)
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hexstr = sio.getvalue()
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sio.close()
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#
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return n1+n2, hexstr, ih
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def get_base_10K():
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"""Base 10K"""
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return get_test_data(10000, 0, 0)
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def get_100K():
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return get_test_data(100000, 0, 0)
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def get_100K_100K():
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return get_test_data(100000, 1000000, 100000)
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def get_0_100K():
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return get_test_data(0, 1000000, 100000)
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def get_1M():
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return get_test_data(1000000, 0, 0)
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class Measure(object):
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"""Measure execution time helper."""
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data_set = [
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# (data name, getter)
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('base 10K', get_base_10K), # first should be base numbers
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('100K', get_100K),
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('1M', get_1M),
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('100K+100K', get_100K_100K),
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('0+100K', get_0_100K),
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]
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def __init__(self, n=3, read=True, write=True):
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self.n = n
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self.read = read
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self.write = write
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self.results = []
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def measure_one(self, data):
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"""Do measuring of read and write operations.
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@param data: 3-tuple from get_test_data
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@return: (time readhex, time writehex)
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"""
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_unused, hexstr, ih = data
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tread, twrite = 0.0, 0.0
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if self.read:
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tread = run_readtest_N_times(intelhex.IntelHex, hexstr, self.n)[0]
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if self.write:
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twrite = run_writetest_N_times(ih.write_hex_file, self.n)[0]
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return tread, twrite
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def measure_all(self):
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for name, getter in self.data_set:
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data = getter()
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times = self.measure_one(data)
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self.results.append((name, times, data[0]))
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def print_report(self, to_file=None):
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if to_file is None:
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to_file = sys.stdout
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base_title, base_times, base_n = self.results[0]
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base_read, base_write = base_times
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read_report = ['%-10s\t%7.3f' % (base_title, base_read)]
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write_report = ['%-10s\t%7.3f' % (base_title, base_write)]
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for item in self.results[1:]:
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cur_title, cur_times, cur_n = item
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cur_read, cur_write = cur_times
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if self.read:
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qread = time_coef(cur_read, cur_n,
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base_read, base_n)
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read_report.append('%-10s\t%7.3f\t%7.3f' % (cur_title,
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cur_read,
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qread))
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if self.write:
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qwrite = time_coef(cur_write, cur_n,
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base_write, base_n)
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write_report.append('%-10s\t%7.3f\t%7.3f' % (cur_title,
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cur_write,
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qwrite))
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if self.read:
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to_file.write('Read operation:\n')
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to_file.write('\n'.join(read_report))
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to_file.write('\n\n')
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if self.write:
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to_file.write('Write operation:\n')
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to_file.write('\n'.join(write_report))
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to_file.write('\n\n')
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HELP = """\
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Usage: python _bench.py [OPTIONS]
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Options:
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-h this help
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-n N repeat tests N times
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-r run only tests for read operation
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-w run only tests for write operation
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|
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If option -r or -w is not specified then all tests will be run.
|
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"""
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||||
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||||
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def main(argv=None):
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"""Main function to run benchmarks.
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@param argv: command-line arguments.
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@return: exit code (0 is OK).
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||||
"""
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||||
import getopt
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||||
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||||
# default values
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||||
test_read = None
|
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test_write = None
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n = 3 # number of repeat
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||||
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if argv is None:
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||||
argv = sys.argv[1:]
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||||
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||||
try:
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opts, args = getopt.getopt(argv, 'hn:rw', [])
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||||
|
||||
for o,a in opts:
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||||
if o == '-h':
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||||
print(HELP)
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||||
return 0
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||||
elif o == '-n':
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||||
n = int(a)
|
||||
elif o == '-r':
|
||||
test_read = True
|
||||
elif o == '-w':
|
||||
test_write = True
|
||||
|
||||
if args:
|
||||
raise getopt.GetoptError('Arguments are not used.')
|
||||
except getopt.GetoptError, msg:
|
||||
txt = str(msg)
|
||||
print(txt)
|
||||
return 1
|
||||
|
||||
if (test_read, test_write) == (None, None):
|
||||
test_read = test_write = True
|
||||
|
||||
m = Measure(n, test_read, test_write)
|
||||
m.measure_all()
|
||||
m.print_report()
|
||||
|
||||
return 0
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.exit(main(sys.argv[1:]))
|
||||
|
||||
|
||||
"""
|
||||
|
||||
Some Results
|
||||
************
|
||||
|
||||
|
||||
21/04/2007 revno.40
|
||||
Python 2.5 @ Windows XP, Intel Celeron M CPU 430 @ 1.73GHz
|
||||
|
||||
Read operation:
|
||||
base 10K 0.031
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||||
100K 0.360 1.161
|
||||
1M 3.500 1.129
|
||||
100K+100K 0.719 1.160
|
||||
0+100K 0.360 1.161
|
||||
|
||||
Write operation:
|
||||
base 10K 0.031
|
||||
100K 0.297 0.958
|
||||
1M 2.953 0.953
|
||||
100K+100K 1.328 2.142
|
||||
0+100K 0.312 1.006
|
||||
|
||||
|
||||
21/04/2007 revno.46
|
||||
Python 2.5 @ Windows XP, Intel Celeron M CPU 430 @ 1.73GHz
|
||||
|
||||
Read operation:
|
||||
base 10K 0.016
|
||||
100K 0.203 1.269
|
||||
1M 2.000 1.250
|
||||
100K+100K 0.422 1.319
|
||||
0+100K 0.203 1.269
|
||||
|
||||
Write operation:
|
||||
base 10K 0.031
|
||||
100K 0.297 0.958
|
||||
1M 2.969 0.958
|
||||
100K+100K 1.328 2.142
|
||||
0+100K 0.312 1.006
|
||||
|
||||
|
||||
22/04/2007 revno.48
|
||||
Python 2.5 @ Windows XP, Intel Celeron M CPU 430 @ 1.73GHz
|
||||
|
||||
Read operation:
|
||||
base 10K 0.016
|
||||
100K 0.187 1.169
|
||||
1M 1.891 1.182
|
||||
100K+100K 0.406 1.269
|
||||
0+100K 0.188 1.175
|
||||
|
||||
Write operation:
|
||||
base 10K 0.031
|
||||
100K 0.296 0.955
|
||||
1M 2.969 0.958
|
||||
100K+100K 1.328 2.142
|
||||
0+100K 0.312 1.006
|
||||
|
||||
|
||||
19/08/2008 revno.72
|
||||
Python 2.5.2 @ Windows XP, Intel Celeron M CPU 430 @ 1.73GHz
|
||||
|
||||
Read operation:
|
||||
base 10K 0.016
|
||||
100K 0.171 1.069
|
||||
1M 1.734 1.084
|
||||
100K+100K 0.375 1.172
|
||||
0+100K 0.172 1.075
|
||||
|
||||
Write operation:
|
||||
base 10K 0.016
|
||||
100K 0.156 0.975
|
||||
1M 1.532 0.957
|
||||
100K+100K 0.344 1.075
|
||||
0+100K 0.156 0.975
|
||||
|
||||
"""
|
||||
+57
@@ -0,0 +1,57 @@
|
||||
# Copyright (c) 2011, Bernhard Leiner
|
||||
# All rights reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms,
|
||||
# with or without modification, are permitted provided
|
||||
# that the following conditions are met:
|
||||
#
|
||||
# * Redistributions of source code must retain
|
||||
# the above copyright notice, this list of conditions
|
||||
# and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce
|
||||
# the above copyright notice, this list of conditions
|
||||
# and the following disclaimer in the documentation
|
||||
# and/or other materials provided with the distribution.
|
||||
# * Neither the name of the author nor the names
|
||||
# of its contributors may be used to endorse
|
||||
# or promote products derived from this software
|
||||
# without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
|
||||
# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
# IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
||||
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
||||
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
||||
# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
||||
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
'''Compatibility functions for python 2 and 3.
|
||||
|
||||
@author Bernhard Leiner (bleiner AT gmail com)
|
||||
@version 1.0
|
||||
'''
|
||||
|
||||
__docformat__ = "javadoc"
|
||||
|
||||
|
||||
import sys
|
||||
|
||||
if sys.version_info[0] >= 3:
|
||||
def asbytes(s):
|
||||
if isinstance(s, bytes):
|
||||
return s
|
||||
return s.encode('latin1')
|
||||
def asstr(s):
|
||||
if isinstance(s, str):
|
||||
return s
|
||||
return s.decode('latin1')
|
||||
else:
|
||||
asbytes = str
|
||||
asstr = str
|
||||
|
||||
+1483
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user