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-rw-r--r--uemis.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/uemis.c b/uemis.c
index 980c1827c..8dfc5a373 100644
--- a/uemis.c
+++ b/uemis.c
@@ -186,9 +186,30 @@ static void parse_divelog_binary(char *base64, struct dive **divep) {
uint8_t *data;
struct sample *sample;
struct dive *dive = *divep;
+ int template, gasoffset;
datalen = uemis_convert_base64(base64, &data);
+ /* dive template in use:
+ 0 = air
+ 1 = nitrox (B)
+ 2 = nitrox (B+D)
+ 3 = nitrox (B+T+D)
+ uemis cylinder data is insane - it stores seven tank settings in a block
+ and the template tells us which of the four groups of tanks we need to look at
+ */
+ gasoffset = template = *(uint8_t *)(data+115);
+ if (template == 3)
+ 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;
+ dive->cylinder[i].gasmix.o2.permille = *(uint8_t *)(data+120+25*(gasoffset + i)) * 10 + 0.5;
+ dive->cylinder[i].gasmix.he.permille = 0;
+ }
/* first byte of divelog data is at offset 0x123 */
i = 0x123;
while ((i < datalen) && (*(uint16_t *)(data+i))) {