no dives are shown in the Dive List

Dirk Hohndel dirk at
Sat Feb 1 08:08:27 UTC 2014

On Sat, 2014-02-01 at 23:59 +0800, Js wrote:
> Hey guys,
> I managed to download the dives to diving log 5.0 and from there upload to then download to subsurface.
> :)

Excellent. Every engineering problem can be solved by adding another
layer of indirection :-)


> Jef Driesen <jefdriesen at> wrote:
> >On 2014-01-28 16:11, Dirk Hohndel wrote:
> >> I wonder... Didn't the header length change? If he now has the new
> >> firmware with the longer header, will the old dives be downloaded with
> >> the new or the old header?
> >> 
> >> That could cause parsing errors...
> >
> >Yes, there are two variants with a different length, but there is a 
> >version number embedded in the header to figure out the correct length. 
> >but the header looks correct to me. I didn't notice any problem there. 
> >The problem is in the profile data. When parsing the section with the 
> >sample divisors, the corresponding sample lengths are all wrong. For 
> >example a temperature sample is supposed to be 2 byte long, but the 
> >length stored in the data is 3 bytes. The libdivecomputer parser fails 
> >there already, but if modify the code to accept 3 bytes, it just fails 
> >at some later stage.
> >
> >The fact that the ostc itself also has problems displaying these dives, 
> >is for me a strong indication that there is a problem with the data 
> >rather than the parser.
> >
> >Jef

More information about the subsurface mailing list