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0e196310f9
Since dive.c is so huge, split out divecomputer-related functions into divecomputer.[c|h], sample.[c|h] and extradata.[c|h]. This does not give huge compile time improvements, since struct dive contains a struct divecomputer and therefore dive.h has to include divecomputer.h. However, it make things distinctly more clear. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "sample.h"
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/*
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* Adding a cylinder pressure sample field is not quite as trivial as it
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* perhaps should be.
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*
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* We try to keep the same sensor index for the same sensor, so that even
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* if the dive computer doesn't give pressure information for every sample,
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* we don't move pressure information around between the different sensor
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* indices.
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*
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* The "prepare_sample()" function will always copy the sensor indices
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* from the previous sample, so the indices are pre-populated (but the
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* pressures obviously are not)
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*/
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void add_sample_pressure(struct sample *sample, int sensor, int mbar)
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{
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int idx;
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if (!mbar)
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return;
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/* Do we already have a slot for this sensor */
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for (idx = 0; idx < MAX_SENSORS; idx++) {
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if (sensor != sample->sensor[idx])
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continue;
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sample->pressure[idx].mbar = mbar;
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return;
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}
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/* Pick the first unused index if we couldn't reuse one */
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for (idx = 0; idx < MAX_SENSORS; idx++) {
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if (sample->pressure[idx].mbar)
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continue;
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sample->sensor[idx] = sensor;
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sample->pressure[idx].mbar = mbar;
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return;
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}
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/* We do not have enough slots for the pressure samples. */
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/* Should we warn the user about dropping pressure data? */
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}
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