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Add gas changes and violation events for Atomic Aquatics Cobalt

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These are based on the documentation we have and have been tested and
verified against actual dive data (with the exception of the pO2 and
ascent speed violations).

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2012-12-29 07:35:50 -08:00 committed by Jef Driesen
parent 1079bdc0b0
commit 10ae594b1f
1 changed files with 38 additions and 0 deletions
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38
src/atomics_cobalt_parser.c
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@ -224,6 +224,9 @@ atomics_cobalt_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback
else
atmospheric = array_uint16_le (data + 0x26) * BAR / 1000.0;
// Previous gas mix - initialize with impossible value
unsigned int gasmix_previous = 0xFFFFFFFF;
unsigned int time = 0;
unsigned int offset = header;
while (offset + SZ_SEGMENT <= size) {
@ -245,11 +248,46 @@ atomics_cobalt_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback
sample.pressure.value = pressure * PSI / BAR;
if (callback) callback (DC_SAMPLE_PRESSURE, sample, userdata);
// Current gas mix
unsigned int gasmix = data[offset + 4];
if (gasmix >= ngasmixes) {
return DC_STATUS_DATAFORMAT;
}
if (gasmix != gasmix_previous) {
unsigned int o2 = data[SZ_HEADER + SZ_GASMIX * gasmix + 4];
unsigned int he = data[SZ_HEADER + SZ_GASMIX * gasmix + 5];
sample.event.type = SAMPLE_EVENT_GASCHANGE2;
sample.event.time = 0;
sample.event.flags = 0;
sample.event.value = o2 | (he << 16);
if (callback) callback (DC_SAMPLE_EVENT, sample, userdata);
gasmix_previous = gasmix;
}
// Temperature (1 °F).
unsigned int temperature = data[offset + 8];
sample.temperature = (temperature - 32.0) * (5.0 / 9.0);
if (callback) callback (DC_SAMPLE_TEMPERATURE, sample, userdata);
// violation status
sample.event.type = 0;
sample.event.time = 0;
sample.event.value = 0;
sample.event.flags = 0;
unsigned int violation = data[offset + 11];
if (violation & 0x01) {
sample.event.type = SAMPLE_EVENT_ASCENT;
if (callback) callback (DC_SAMPLE_EVENT, sample, userdata);
}
if (violation & 0x04) {
sample.event.type = SAMPLE_EVENT_CEILING;
if (callback) callback (DC_SAMPLE_EVENT, sample, userdata);
}
if (violation & 0x08) {
sample.event.type = SAMPLE_EVENT_PO2;
if (callback) callback (DC_SAMPLE_EVENT, sample, userdata);
}
offset += SZ_SEGMENT;
}