Minor fixes

svn path=/trunk/; revision=13498
This commit is contained in:
Jörg Mayer 2005-02-24 19:45:08 +00:00
parent a9b26f409f
commit d31c2badda
1 changed files with 17 additions and 3 deletions

View File

@ -9,11 +9,25 @@ This is NOT the intention to write a file importer in the forseeable
future.
Exact timestamp decoding still unkown:
From decoded examples:
From a diffrent decoded examplefile:
06 51 49 1b Timestamp (105990427) = 03:30:27.497544
06 51 4a cd Timestamp (105990861) = 03:30:27.497978 (+434)
06 51 4b ce Timestamp (105991118) = 03:30:27.498235 (+257)
Timestamps this file:
Frame1: 15a5 2fb4 363147188 -
Frame2: 15a5 3a8e 363149966 + 1778
Frame3: 15a5 3c50 363150416 + 550
Frame4: 15a5 487d 363153533
Frame5: 15a5 49d9 363153881
Frame6: 15a5 4bcf 363154383
Frame7: 15a5 53da 363156442
Frame8: 15a5 59e4 363157988
Frame9: 15cc 9da8 365731240
FrameA: 15db dd60 366730592
FrameB: 15dc 04f6 366740726
FrameC: 15df 5d29 366959913
Unknown stuff:
Header: 0000 0000 0002 | 3b93 d886
Frame1: da9d | 0000 0000 0002
@ -51,7 +65,7 @@ Recordstructure:
2 Bytes: unknown (0x0002)
4 Bytes: Timestamp
1 Byte: DataRate ((AND 7f) / 2 in Mbit/s)
1 Byte: Channel (1-13: Chan 1-13, 14: Chan 36, 15: Chan 40, ..., 19: Chan 52, ...)
1 Byte: Channel (1-13: Chan 1-13, 15: Chan 36, 16: Chan 40, ..., 19: Chan 52, ...)
1 Byte: SignalStrength (%)
1 Byte: NoiseLevel (%)
LL Bytes: Capturedata
@ -78,7 +92,7 @@ Length: 0x36
0000070: 15a5 2fb4 Timestamp
0000074: 02 DataRate
0000075: 06 Channel
0000076: 64 SignalStrengthi (%)
0000076: 64 SignalStrength (%)
0000077: 01 NoiseLevel (%)
-------- ieee 802.11
0000078: b000 Type/Subtype/Frame Control