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Ignore invalid gas mixes

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The Cressi Michelangelo appears to store inactive gas mixes as a zero
oxygen percentage. Such invalid values shouldn't be reported.
This commit is contained in:
Jef Driesen 2022-05-31 22:07:54 +02:00
parent 0064097c03
commit d0c7562c41
1 changed files with 12 additions and 1 deletions
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13
src/cressi_goa_parser.c
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@ -43,6 +43,8 @@
#define FREEDIVE 2
#define GAUGE 3
#define NGASMIXES 2
typedef struct cressi_goa_parser_t cressi_goa_parser_t;
struct cressi_goa_parser_t {
@ -174,6 +176,15 @@ cressi_goa_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsign
parser->maxdepth = statistics.maxdepth;
}
unsigned int ngasmixes = 0;
if (divemode == SCUBA || divemode == NITROX) {
for (unsigned int i = 0; i < NGASMIXES; ++i) {
if (data[0x20 + 2 * i] == 0)
break;
ngasmixes++;
}
}
dc_gasmix_t *gasmix = (dc_gasmix_t *) value;
if (value) {
@ -185,7 +196,7 @@ cressi_goa_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsign
*((double *) value) = parser->maxdepth;
break;
case DC_FIELD_GASMIX_COUNT:
*((unsigned int *) value) = divemode == SCUBA || divemode == NITROX ? 2 : 0;
*((unsigned int *) value) = ngasmixes;
break;
case DC_FIELD_GASMIX:
gasmix->helium = 0.0;