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core: work around water temperature bug in Tecdiving DiveComputer.eu

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It appears to send a first sample with a water temperature of 0 C. If the next
sample contains a more likely water temperature, overwrite the first one.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2022-04-13 08:51:48 -10:00
parent 514edfec07
commit acc4dc57af
2 changed files with 9 additions and 0 deletions
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1
CHANGELOG.md
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@ -1,3 +1,4 @@
- core: work around bug in TecDiving dive computer reporting spurious 0 deg C water temperature in first sample
- core: correctly parse DC_FIELD_SALINITY response; fixes incorrect water type with some dive computers, including the Mares Smart
- Desktop: Allow more than one media file to be imported from web
- undo: Clear undo stack when the current file is closed

8
core/libdivecomputer.c
View file

@ -831,6 +831,14 @@ static int dive_cb(const unsigned char *data, unsigned int size,
dive->dc.sample[0].temperature.mkelvin = 0;
}
/* special case for bug in Tecdiving DiveComputer.eu
* often the first sample has a water temperature of 0C, followed by the correct
* temperature in the next sample */
if (same_string(dive->dc.model, "Tecdiving DiveComputer.eu") &&
dive->dc.sample[0].temperature.mkelvin == ZERO_C_IN_MKELVIN &&
dive->dc.sample[1].temperature.mkelvin > dive->dc.sample[0].temperature.mkelvin)
dive->dc.sample[0].temperature.mkelvin = dive->dc.sample[1].temperature.mkelvin;
record_dive_to_table(dive, devdata->download_table);
return true;