mirror of
https://github.com/kk7ds/chirp.git
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140 lines
4.2 KiB
Python
140 lines
4.2 KiB
Python
#!/usr/bin/env python
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#
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## Copyright 2013 Jens Jensen AF5MI <kd4tjx@yahoo.com>
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import sys, os, argparse, time
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def printDiff(pos, byte1, byte2, args):
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bits1 = '{0:08b}'.format(byte1)
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bits2 = '{0:08b}'.format(byte2)
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print "@%04Xh" % pos
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print "1:%02Xh, %sb" % (byte1, bits1)
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print "2:%02Xh, %sb" % (byte2, bits2)
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if args.csv:
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writeDiffCSV(pos, byte1, byte2, args)
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def writeDiffCSV(pos, byte1, byte2, args):
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bits1 = '{0:08b}'.format(byte1)
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bits2 = '{0:08b}'.format(byte2)
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csvline = '%s, %s, %04X, %02X, %s, %02X, %s, %s, %s' % \
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(args.file1, args.file2, pos, byte1, bits1, byte2, bits2, args.setting, args.value)
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if not os.path.isfile(args.csv):
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fh = open(args.csv, "w")
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header = "filename1, filename2, byte_offset, byte1, bits1, byte2, bits2, item_msg, value_msg"
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fh.write(header + os.linesep)
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else:
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fh = open(args.csv, "a")
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fh.write(csvline + os.linesep)
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fh.close()
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def compareFiles(args):
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f1 = open(args.file1, "rb")
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f1.seek(args.offset)
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f2 = open(args.file2, "rb")
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f2.seek(args.offset)
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while True:
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pos = f1.tell() - args.offset
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c1 = f1.read(1)
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c2 = f2.read(1)
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if not (c1 and c2):
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break
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b1 = ord(c1)
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b2 = ord(c2)
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if b1 != b2:
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printDiff(pos, b1, b2, args)
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pos = f1.tell() - args.offset
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print "bytes read: %02d" % pos
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f1.close()
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f2.close()
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def compareFilesDat(args):
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f1 = open(args.file1, "r")
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f1contents = f1.read()
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f1.close()
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f2 = open(args.file2, "r")
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f2contents = f2.read()
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f2.close()
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f1strlist = f1contents.split()
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f1intlist = map(int, f1strlist)
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f2strlist = f2contents.split()
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f2intlist = map(int, f2strlist)
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f1bytes = bytearray(f1intlist)
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f2bytes = bytearray(f2intlist)
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length = len(f1intlist)
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for i in range(length):
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b1 = f1bytes[i]
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b2 = f2bytes[i]
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pos = i
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if b1 != b2:
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printDiff(pos, b1, b2, args)
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pos = length
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print "bytes read: %02d" % pos
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def convertFileToBin(args):
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f1 = open(args.file1, "r")
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f1contents = f1.read()
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f1.close()
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f1strlist = f1contents.split()
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f1intlist = map(int, f1strlist)
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f1bytes = bytearray(f1intlist)
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f2 = open(args.file2, "wb")
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f2.write(f1bytes)
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f2.close
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def convertFileToDat(args):
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f1 = open(args.file1, "rb")
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f1contents = f1.read()
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f1.close()
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f2 = open(args.file2, "w")
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for i in range(0, len(f1contents)):
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f2.write(" %d " % (ord(f1contents[i]), ))
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if i % 16 == 15:
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f2.write("\r\n")
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f2.close
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#
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## main
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ap = argparse.ArgumentParser(description="byte-/bit- comparison of two files")
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ap.add_argument("file1", help="first (reference) file to parse")
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ap.add_argument("file2", help="second file to parse")
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mutexgrp1 = ap.add_mutually_exclusive_group()
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mutexgrp1.add_argument("-o", "--offset", help="offset (hex) to start comparison", default=0)
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mutexgrp1.add_argument("-d", "--dat", help="process input files from .DAT/.ADJ format (from 'jujumao' oem programming software for chinese radios)", action="store_true")
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mutexgrp1.add_argument("--convert2bin", help="convert file1 from .dat/.adj to binary image file2", action="store_true")
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mutexgrp1.add_argument("--convert2dat", help="convert file1 from bin to .dat/.adj file2", action="store_true")
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ap.add_argument("-w", "--watch", help="'watch' changes. runs in a loop", action="store_true")
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csvgrp = ap.add_argument_group("csv output")
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csvgrp.add_argument("-c", "--csv", help="file to append csv results. format: \
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filename1, filename2, byte_offset, byte1, bits1, byte2, bits2, item_msg, value_msg")
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csvgrp.add_argument("-s", "--setting", help="user-meaningful field indicating setting/item modified, e.g. 'beep' or 'txtone'")
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csvgrp.add_argument("-v", "--value", help="user-meaningful field indicating values changed, e.g. 'true->false' or '110.9->100.0'")
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args = ap.parse_args()
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if args.offset:
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args.offset = int(args.offset, 16)
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print "f1:", args.file1, " f2:", args.file2
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if args.setting or args.value:
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print "setting:", args.setting, "- value:", args.value
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while True:
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if (args.dat):
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compareFilesDat(args)
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elif (args.convert2bin):
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convertFileToBin(args)
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elif (args.convert2dat):
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convertFileToDat(args)
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else:
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compareFiles(args)
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if not args.watch:
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break
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print "------"
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time.sleep(delay)
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