Oceanic OCS: No gaschange events

[Florian Klink]

Am 17.03.2014 08:40, schrieb Florian Klink:
> Am 17.03.2014 07:48, schrieb Jef Driesen:
>> On 16-03-14 23:04, Florian Klink wrote:
>>> a friend of me diving with an Oceanic OCS recently started using
>>> subsurface to log her dives.
>>>
>>> Unfortunately, it seems like the atom2 parser doesn't support tank
>>> switch events on Oceanic OCS yet.
>>>
>>> We dumped all dives using the "universal test application".
>>> .
>>> In the xml sample at the time of the gas switch (at 21:45), there are
>>> two <vendor></vendor> elements generated, one starting with "AA", which
>>> looks like the gas switch event. The switch was done from air to EAN 52
>>> (the 2nd mix):
>>>
>>> <sample>
>>>
>>>     <time>21:45</time>
>>>
>>>     <vendor type="5" size="8">AA0221296A033400</vendor>
>>>
>>>     <vendor type="5" size="8">024E74039B000001</vendor>
>>>
>>>     <temperature>25.56</temperature>
>>>
>>>     <depth>16.84</depth>
>>>
>>> </sample>
>>>
>>>
>>> I attached the XML of this dive (sample from 21:45 starts at line 540)
>>> and the memory dump.
>>>
>>> What about the "34" at the end meaning 52% oxygen in the newly
>>> switched gas?
>>> Do you have other samples to verify that this theory or should I ask
>>> about some more dives with gaschanges to mixes with other amounts of
>>> oxygen?
>>
>> The 0xAA sample indicates a tank switch (for models with support for
>> multiple tank pressure sensors). But it's certainly possible that it can
>> also contain a gas switch. Gas switches are indeed not parsed yet for
>> the Oceanic devices. Is the OCS an air integrated model (hosed or
>> wireless), because in that case a tank switch sample doesn't make much
>> sense.
> The OCS does not have any air integration at all (wired/wireless).
> However, it's able to calculate saturation, deco etc. with up to 3
> different gases (starting always with gas one). On this dive, a switch
> from gas 1 (air) to gas 2 (EAN52) was done at 21:45
>>
>> Can you provide a full memory dump (together with the logfile), rather
>> just one dive. That's a bit easier to work with.
> 
>>
>> I think I do have some other data from an OCS, but I have no idea
>> whether there are any gas changes or not. I'm a bit in a hurry right
>> now, but I'll have a look later at what data I have available.
> I will ask if she also has some other dives with gas changes logged on
> this DC, but this will also take some time :-)

I attached two more dives to this mail. They include a Gas Change from
EAN 50 to air. As guessed, the samples starting with "AA" have a "1500"
at the end, meaning 21% o2

> 
> Florian
> 
> 
> 
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