mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-19 22:16:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add working pressure to uemis tank data

Browse source 
Turns out they use 202.6bar as default working pressure. WTF?
Also I had misunderstood the way I should record the pressure internally
(which happened to work since I didn't set the working pressure). This is
now fixed as well.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2011-10-03 09:55:17 -07:00
parent c15f798a85
commit 09ef299044
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
uemis.c
View file

@ -146,10 +146,15 @@ void uemis_parse_divelog_binary(char *base64, void *datap) {
gasoffset = 4;
for (i = 0; i < template; i++) {
float volume = *(float *)(data+116+25*(gasoffset + i)) * 1000.0;
/* uemis always assumes a working pressure of 3000psi / 206bar - even though that's wrong */
/* I also think that the unit that it stores (cuft for me) might change with SDA settings */
// dive->cylinder[i].type.size.mliter = volume * 206.84 / 28.317;
dive->cylinder[i].type.size.mliter = volume * 200 / 28.317;
/* uemis always assumes a working pressure of 202.6bar (!?!?) - I first thought
* it was 3000psi, but testing against all my dives gets me that strange number.
* Still, that's of course completely bogus and shows they don't get how
* cylinders are named in non-metric parts of the world...
* we store the incorrect working pressure to get the SAC calculations "close"
* but the user will have to correct this manually
*/
dive->cylinder[i].type.size.mliter = volume;
dive->cylinder[i].type.workingpressure.mbar = 202600;
dive->cylinder[i].gasmix.o2.permille = *(uint8_t *)(data+120+25*(gasoffset + i)) * 10 + 0.5;
dive->cylinder[i].gasmix.he.permille = 0;
}