FlapJackApps/libdivecomputer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix the parsing of the gas mixes.

Browse Source 
If the gas model flag is set to air, the individual gas mix definitions
are ignored, and a single mix with air is returned instead. For non-air
dives, only the gas mixes marked as active are returned.
This commit is contained in:
Olivier Bussier 2013-05-01 22:54:34 +02:00 committed by Jef Driesen
parent c429947f25
commit 3ce237eee4
1 changed files with 20 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/mares_iconhd_parser.c
View File

@ -163,6 +163,8 @@ mares_iconhd_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsi
dc_gasmix_t *gasmix = (dc_gasmix_t *) value;
unsigned int air = (p[0] & 0x02) == 0;
if (value) {
switch (type) {
case DC_FIELD_DIVETIME:
@ -172,11 +174,27 @@ mares_iconhd_parser_get_field (dc_parser_t *abstract, dc_field_type_t type, unsi
*((double *) value) = array_uint16_le (p + 0x04) / 10.0;
break;
case DC_FIELD_GASMIX_COUNT:
*((unsigned int *) value) = 3;
if (air) {
*((unsigned int *) value) = 1;
} else {
// Count the number of active gas mixes. The active gas
// mixes are always first, so we stop counting as soon
// as the first gas marked as disabled is found.
unsigned int i = 0;
while (i < 3) {
if (p[0x14 + i * 4 + 1] & 0x80)
break;
i++;
}
*((unsigned int *) value) = i;
}
break;
case DC_FIELD_GASMIX:
if (air)
gasmix->oxygen = 0.21;
else
gasmix->oxygen = p[0x14 + flags * 4] / 100.0;
gasmix->helium = 0.0;
gasmix->oxygen = p[0x14 + flags * 4] / 100.0;
gasmix->nitrogen = 1.0 - gasmix->oxygen - gasmix->helium;
break;
default: