devel September 2018

devel@libdivecomputer.org

3 participants
3 discussions

Shearwater Teric
by Dirk Hohndel 09 Sep '18

09 Sep '18

I have a first version of the "Petrel Native Format" log parser working. It turns out that while the Teric is the first Shearwater computer that no longer provides the old "Predator-like" log format, the new format was actually added way back for the Petrel, it just hadn't been documented before. Based on the new documentation we received last week I have modified the parser to figure out which log format the dive computer can provide and updated it to parse the PNF log if that is available. Downloads from my Teric look sane (but I have only a few dives on it and nothing really exciting in those dives). I'll clean up the code and post it on GitHub so people can take a look, and I'll also make test binaries available so people can try it. The interesting part is that this code will be used on most every current Shearwater dive computer because as I said, all but the oldest of them support this format and Shearwater recommends using it instead of the older format. Which means there's a LOT of testing we need to do to ensure that nothing got broken. One of the new things in this log format is a free diving mode that allows storing sample at sub-one-second intervals. I am not decoding those samples, yet. And I am trying to figure out what to do about them in the first place, as a lot of the libdivecomputer (and Subsurface) code assumes a 1 second granularity... Should we drop the additional samples? Should we add them all, just with the same time stamp? Should we increase the time stamp resolution? Thanks /D

1 2

Wisdom 3 Download Problem
by Jack Plunkett 07 Sep '18

07 Sep '18

Hi, I am trying to download new dives from my Sherwood Wisdom 3 Dive Computer. The PC it is trying to communicate with is a Microsoft Surface Pro using Windows 10. Previous dives uploaded easily. Presently getting an error message that says: *"DC_Status_Protocol"* Would appreciate any thoughts. Many thanks. Jack Plunkett

2 1

configure and clock_gettime for macOS
by Peter Balck 07 Sep '18

07 Sep '18

Hi Jef Found a problem regarding the timer.c ifdefs in the dc_timer_new function.. When I build libdivecomputer on my mac running the latest version of macOS the configure script will find the clock_gettime function and define HAVE_CLOCK_GETTIME. This however, will cause anyone running my app on an older version of macOS where clock_gettime is not available to crash. Is there an easy way to override the configure script without changing any of the source or config files ? I also found that logs downloaded from the Mares Smart Apnea have the max and min temperature mixed up. Thanks Peter

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devel September 2018