diff options
| -rw-r--r-- | uemis.c | 71 | ||||
| -rw-r--r-- | uemis.h | 30 |
2 files changed, 91 insertions, 10 deletions
@@ -119,6 +119,59 @@ 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 Suggest"); + 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 +180,7 @@ 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; @@ -160,22 +214,25 @@ void uemis_parse_divelog_binary(char *base64, void *datap) { } /* 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); + 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, sample); i += 0x25; + u_sample++; } dive->duration.seconds = sample->time.seconds - 1; return; @@ -1,10 +1,34 @@ -#ifndef UEMIS_H -#define UEMIS_H - /* * defines and prototypes for the uemis Zurich SDA file parser */ +#ifndef UEMIS_H +#define UEMIS_H + +#include <stdint.h> + void uemis_parse_divelog_binary(char *base64, void *divep); +typedef struct { + uint16_t dive_time; + uint16_t water_pressure; // (in cbar) + uint16_t dive_temperature; // (in dC) + uint8_t ascent_speed; // (units unclear) + uint8_t work_fact; + uint8_t cold_fact; + uint8_t bubble_fact; + uint16_t ascent_time; + uint16_t ascent_time_opt; + uint16_t p_amb_tol; + uint16_t satt; + uint16_t hold_depth; + uint16_t hold_time; + uint8_t active_tank; + uint16_t tank_pressure; // (in cbar) + uint16_t consumption; // (units unclear) + uint8_t rgt; // (remaining gas time in minutes) + uint8_t cns; + uint8_t flags[8]; +} __attribute((packed)) uemis_sample_t; + #endif /* DIVE_H */ |