Suunto DM5 Format changed

[Rainer Mohr]

Sent in private mail

Rainer

Am 20.04.17 um 16:36 schrieb Miika Turkia:
> Hello Rainer,
>
> thanks for the heads up. Can you also provide me a sample log so I can
> test our parsing works properly? (The change is simple enough, but
> still I would like to test it up.)
>
> miika
>
> On Thu, Apr 20, 2017 at 3:20 PM, Rainer Mohr <mail at divelogs.de> wrote:
>> Hi Miika, Linus,
>>
>> Picking up an old thread from two years back...
>>
>> I got the first file from the wild with yet another Suunto DM5 format in the
>> Profile BLOB field.
>> This time its blocks of 26 Bytes, no idea what they changed - Maybe a new
>> firmware for The EON Steel made that necessary, who knows. Detectable by the
>> first Byte being 04. Depths are still in Bytes 3-6 in same way as before.
>>
>> You may want to change that in your DM5 parsing too.
>>
>> Regards,
>> Rainer
>>
>> Am 30.05.15 um 17:05 schrieb Rainer Mohr:
>>
>> Looking at it more closely, I assume it's a single byte as the header giving
>> us the version information and then fixed-size 23-Byte blocks.
>> This would also have the rest of the file divideable by 23 bytes and the
>> last one also having all the 23 bytes. First sample is then 0m depth.
>> Version information gives us the number of bytes (Thanks to Sven from Diving
>> Log):
>>
>> Select Case Version
>>     Case Is = 2
>>        Return 19
>>     Case Is = 3
>>        Return 23
>>
>>
>> Case Is = 4
>>      Return 26
>>
>>
>>     Case Else
>>        Return 16
>> End Select
>>
>> The Bytes 3 to 6 then give the depth infomation:
>>
>>   03 <!-- Header with Version of format -->
>>   00 00 00 00 00 00 ff ff ff 7f 0f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 bf 0e 9c 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 83 51 b9 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 3f ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 e7 8c 08 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 83 51 b9 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 bf 0e 1c 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 bf 0e 1c 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 5b d3 cc 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 e7 8c 88 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 f6 97 fd 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 5d 6d 0d 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 5d 6d 0d 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 46 94 d6 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 6f 12 c3 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 0a d7 f3 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 32 55 e0 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 46 94 d6 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 32 55 e0 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 46 94 d6 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 46 94 d6 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 5b d3 cc 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 32 55 e0 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 0a d7 f3 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 f6 97 fd 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 71 ac 03 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 d3 4d 12 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 3f ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 3f ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 e7 8c 08 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 6a 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 d3 4d 92 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 ab cf a5 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 6a 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 83 51 b9 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 32 55 e0 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 1e 16 ea 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 5d 6d 0d 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 49 2e 17 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 71 ac 03 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 0a d7 f3 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 d3 4d 12 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 e7 8c 08 41 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 46 94 d6 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 ab cf a5 40 ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>   1e 00 f6 97 7d 40 ff ff ff 7f 0c ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>
>> Rainer
>>
>>
>> Am 29.05.15 um 23:26 schrieb Linus Torvalds:
>>
>> On Fri, May 29, 2015 at 2:01 PM, Rainer Mohr <mail at divelogs.de> wrote:
>>
>> Blob attached as file. According to the DM4.db file it was recorded from a
>> zoop.
>> Could be though, that they adapted the format to the EON Steel data.
>>
>> >From a quick look, the byte patterns don't look like the EON dumps at
>> all, so my guess that they'd move to something like that was wrong.
>>
>> Looks more like a fixed-size (23 byte) repeating pattern. The
>> sampleblob seems to be this:
>>
>>   - 7 bytes of header (probably some version information):
>>
>>          03 00 00 00 00 00 00
>>
>>   - followed by this pattern of constant-sized 17+6 byte blocks (the
>> last one lacks the 6-byte thing)
>>
>>   ff ff ff 7f 0f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 bf 0e 9c 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 83 51 b9 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 3f
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 e7 8c 08 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 83 51 b9 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 bf 0e 1c 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 bf 0e 1c 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 5b d3 cc 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 e7 8c 88 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 f6 97 fd 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 5d 6d 0d 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 5d 6d 0d 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 46 94 d6 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 6f 12 c3 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 0a d7 f3 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 32 55 e0 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 46 94 d6 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 32 55 e0 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 46 94 d6 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 46 94 d6 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 5b d3 cc 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 32 55 e0 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 0a d7 f3 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 f6 97 fd 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 71 ac 03 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 d3 4d 12 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 3f
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 3f
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 e7 8c 08 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 6a 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 d3 4d 92 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 ab cf a5 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 6a 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 83 51 b9 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 32 55 e0 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 1e 16 ea 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 5d 6d 0d 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 49 2e 17 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 71 ac 03 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 0a d7 f3 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 d3 4d 12 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 e7 8c 08 41
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 46 94 d6 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 ab cf a5 40
>>   ff ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f 1e 00 f6 97 7d 40
>>   ff ff ff 7f 0c ff ff 7f 7f ff ff 7f 7f ff ff 7f 7f
>>
>> but I never looked at the old db4 blob pattern, so I can't tell
>> whether it's just a simple extension of the old patterns.
>>
>>                   Linus
>>
>>
>>