X-Git-Url: http://git.tdb.fi/?p=ext%2Fsubsurface.git;a=blobdiff_plain;f=uemis.c;h=06ef5b4231c6f85e6474d182b04a5cf7911d8f2b;hp=1be48f33ed3b17a91b31fd61c01c523034b812f9;hb=HEAD;hpb=c15f798a85db53dae404a9113266a4d2bc72fbc6 diff --git a/uemis.c b/uemis.c index 1be48f3..06ef5b4 100644 --- a/uemis.c +++ b/uemis.c @@ -14,7 +14,6 @@ #include #define __USE_XOPEN #include -#include #include "dive.h" #include "uemis.h" @@ -87,9 +86,9 @@ static int pressure_to_depth(uint16_t value) { double atm, cm; - atm = (value / 100.0) / 1.01325; + atm = bar_to_atm(value / 100.0); cm = 100 * atm + 0.5; - return( (cm > 0) ? 10 * (long)cm : 0); + return (cm > 0) ? 10 * (long)cm : 0; } /* @@ -119,6 +118,59 @@ bail: return datalen; } +/* Create events from the flag bits; + * These bits basically represent what is displayed on screen at sample time. + * Many of these 'warnings' are way hyper-active and seriously clutter the + * profile plot - so these are disabled by default + */ +void uemis_event(struct dive *dive, struct sample *sample, uemis_sample_t *u_sample) +{ + uint8_t *flags = u_sample->flags; + + if (flags[1] & 0x01) + add_event(dive, sample->time.seconds, 0, 0, 0, "Safety Stop Violation"); + if (flags[1] & 0x08) + add_event(dive, sample->time.seconds, 0, 0, 0, "Speed Alarm"); +#if WANT_CRAZY_WARNINGS + if (flags[1] & 0x06) /* both bits 1 and 2 are a warning */ + add_event(dive, sample->time.seconds, 0, 0, 0, "Speed Warning"); + if (flags[1] & 0x10) + add_event(dive, sample->time.seconds, 0, 0, 0, "PO2 Green Warning"); +#endif + if (flags[1] & 0x20) + add_event(dive, sample->time.seconds, 0, 0, 0, "PO2 Ascend Warning"); + if (flags[1] & 0x40) + add_event(dive, sample->time.seconds, 0, 0, 0, "PO2 Ascend Alarm"); + /* flags[2] reflects the deco / time bar + * flags[3] reflects more display details on deco and pO2 */ + if (flags[4] & 0x01) + add_event(dive, sample->time.seconds, 0, 0, 0, "Tank Pressure Info"); + if (flags[4] & 0x04) + add_event(dive, sample->time.seconds, 0, 0, 0, "RGT Warning"); + if (flags[4] & 0x08) + add_event(dive, sample->time.seconds, 0, 0, 0, "RGT Alert"); + if (flags[4] & 0x40) + add_event(dive, sample->time.seconds, 0, 0, 0, "Tank Change Suggested"); + if (flags[4] & 0x80) + add_event(dive, sample->time.seconds, 0, 0, 0, "Depth Limit Exceeded"); + if (flags[5] & 0x01) + add_event(dive, sample->time.seconds, 0, 0, 0, "Max Deco Time Warning"); + if (flags[5] & 0x04) + add_event(dive, sample->time.seconds, 0, 0, 0, "Dive Time Info"); + if (flags[5] & 0x08) + add_event(dive, sample->time.seconds, 0, 0, 0, "Dive Time Alert"); + if (flags[5] & 0x10) + add_event(dive, sample->time.seconds, 0, 0, 0, "Marker"); + if (flags[6] & 0x02) + add_event(dive, sample->time.seconds, 0, 0, 0, "No Tank Data"); + if (flags[6] & 0x04) + add_event(dive, sample->time.seconds, 0, 0, 0, "Low Battery Warning"); + if (flags[6] & 0x08) + add_event(dive, sample->time.seconds, 0, 0, 0, "Low Battery Alert"); + /* flags[7] reflects the little on screen icons that remind of previous + * warnings / alerts - not useful for events */ +} + /* * parse uemis base64 data blob into struct dive */ @@ -127,6 +179,7 @@ void uemis_parse_divelog_binary(char *base64, void *datap) { int i; uint8_t *data; struct sample *sample; + uemis_sample_t *u_sample; struct dive **divep = datap; struct dive *dive = *divep; int template, gasoffset; @@ -144,33 +197,43 @@ void uemis_parse_divelog_binary(char *base64, void *datap) { gasoffset = template = *(uint8_t *)(data+115); if (template == 3) gasoffset = 4; + if (template == 0) + template = 1; 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; } /* first byte of divelog data is at offset 0x123 */ i = 0x123; - while ((i < datalen) && (*(uint16_t *)(data+i))) { + u_sample = (uemis_sample_t *)(data + i); + while ((i < datalen) && (u_sample->dive_time)) { /* it seems that a dive_time of 0 indicates the end of the valid readings */ /* the SDA usually records more samples after the end of the dive -- * we want to discard those, but not cut the dive short; sadly the dive * duration in the header is a) in minutes and b) up to 3 minutes short */ - if (*(uint16_t *)(data+i) > dive->duration.seconds + 180) + if (u_sample->dive_time > dive->duration.seconds + 180) break; sample = prepare_sample(divep); dive = *divep; /* prepare_sample might realloc the dive */ - sample->time.seconds = *(uint16_t *)(data+i); - sample->depth.mm = pressure_to_depth(*(uint16_t *)(data+i+2)); - sample->temperature.mkelvin = (*(uint16_t *)(data+i+4) * 100) + 273150; - sample->cylinderpressure.mbar= *(uint16_t *)(data+i+23) * 10; - sample->cylinderindex = *(uint8_t *)(data+i+22); - finish_sample(dive, sample); + sample->time.seconds = u_sample->dive_time; + sample->depth.mm = pressure_to_depth(u_sample->water_pressure); + sample->temperature.mkelvin = (u_sample->dive_temperature * 100) + 273150; + sample->cylinderindex = u_sample->active_tank; + sample->cylinderpressure.mbar= u_sample->tank_pressure * 10; + uemis_event(dive, sample, u_sample); + finish_sample(dive); i += 0x25; + u_sample++; } dive->duration.seconds = sample->time.seconds - 1; return;