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clarify output

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This commit is contained in:
adam@algroup.co.uk 2009-09-05 08:46:59 +00:00
parent 4962d41420
commit c5847014fd
1 changed files with 5 additions and 4 deletions
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9
tools/xorcheck.py
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@ -25,10 +25,11 @@ import os
if(len(sys.argv) < 3):
print
print sys.argv[0] + ' - generate final byte for XOR CRC'
print '\t'+sys.argv[0] + ' - Generate final byte for XOR CRC'
print
print 'Usage: ' + sys.argv[0] + ' <ID Byte1> <ID Byte2> ... <CRC>'
print
print '\tSpecifying the bytes of a UID with a known CRC will generate the last byte value'
print '\tSpecifying the bytes of a UID with a known CRC will find the last byte value'
print '\tneeded to generate that CRC with a rolling XOR. All bytes should be specified in HEX.'
print
print 'Example:'
@ -37,7 +38,7 @@ if(len(sys.argv) < 3):
print
print 'Should produce the output:'
print
print '\tTarget matched with Byte value: 5A'
print '\tTarget (BA) matched with final byte value: 5A'
print
os._exit(True)
@ -50,6 +51,6 @@ for candidate in range(256):
crc ^= candidate
if (crc == target):
print
print 'Target matched with Byte value: %02X' % candidate
print 'Target (%02X) matched with final byte value: %02X' % (target,candidate)
print