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// SPDX-License-Identifier: GPL-2.0
#ifndef SAMPLE_H
#define SAMPLE_H
#include "units.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_SENSORS 2
#define NO_SENSOR ((uint8_t)-1)
struct sample // BASE TYPE BYTES UNITS RANGE DESCRIPTION
{ // --------- ----- ----- ----- -----------
duration_t time; // int32_t 4 seconds (0-34 yrs) elapsed dive time up to this sample
duration_t stoptime; // int32_t 4 seconds (0-34 yrs) time duration of next deco stop
duration_t ndl; // int32_t 4 seconds (-1 no val, 0-34 yrs) time duration before no-deco limit
duration_t tts; // int32_t 4 seconds (0-34 yrs) time duration to reach the surface
duration_t rbt; // int32_t 4 seconds (0-34 yrs) remaining bottom time
depth_t depth; // int32_t 4 mm (0-2000 km) dive depth of this sample
depth_t stopdepth; // int32_t 4 mm (0-2000 km) depth of next deco stop
temperature_t temperature; // uint32_t 4 mK (0-4 MK) ambient temperature
pressure_t pressure[MAX_SENSORS]; // int32_t 4 mbar (0-2 Mbar) cylinder pressures (main and CCR o2)
o2pressure_t setpoint; // uint16_t 2 mbar (0-65 bar) O2 partial pressure (will be setpoint)
o2pressure_t o2sensor[3]; // uint16_t 6 mbar (0-65 bar) Up to 3 PO2 sensor values (rebreather)
bearing_t bearing; // int16_t 2 degrees (-1 no val, 0-360 deg) compass bearing
uint8_t sensor[MAX_SENSORS]; // uint8_t 1 sensorID (0-254) ID of cylinder pressure sensor
uint16_t cns; // uint16_t 1 % (0-64k %) cns% accumulated
uint8_t heartbeat; // uint8_t 1 beats/m (0-255) heart rate measurement
volume_t sac; // 4 ml/min predefined SAC
bool in_deco; // bool 1 y/n y/n this sample is part of deco
bool manually_entered; // bool 1 y/n y/n this sample was entered by the user,
// not calculated when planning a dive
}; // Total size of structure: 57 bytes, excluding padding at end
extern void add_sample_pressure(struct sample *sample, int sensor, int mbar);
#ifdef __cplusplus
}
#endif
#endif
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