view Small_CPU/Inc/vpm.h @ 771:29d9b5bc7946

Revised automatic setpoint change. The proposed approach is essentially the approach used by most controllers of eCCR ('upshift' on descent, 'downshift' on ascent), so that the OSTC4 when used as a backup computer for eCCR will make the changes at the same time as the eCCR itself.
author heinrichsweikamp
date Fri, 21 Apr 2023 09:48:23 +0200
parents 5f11787b4f42
children
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/*
 * vpm.h
 *
 * Created: 23.04.2013 11:38:19
 *  Author: produktion04
 */


#ifndef VPM_H
#define VPM_H

#include "data_central.h"
extern long vpm_time_calc_begin;
enum DECOLIST{DECOSTOPS,FUTURESTOPS,BAILOUTSTOPS,NULLZEIT,OFF = -1}; // order is important!!
enum VPM_CALC_STATUS{CALC_END, CALC_BEGIN, CALC_CRITICAL, CALC_FINAL_DECO, CALC_NULLZEIT };
//int calc_crushing_pressure(float *starting_depth, float *ending_depth, float *rate);
//void vpm_check_calc(unsigned short* stoplist);
//void vpm_init(void);
//_Bool vpm_crush(void);

void vpm_reset_variables(void);
_Bool vpm_build_variables_from_file(unsigned long in_sdram_start);
int vpm_store_variables_in_sdram_for_transfer(unsigned long in_sdram_start);
void vpm_calc_crushing_pressure(float starting_ambient_pressure, float ending_ambient_pressure, float rate);
void vpm_deco_plan(unsigned short divetime,unsigned short * divetime_first_stop, float* first_stop_depth);

float schreiner_equation__2(float *initial_inspired_gas_pressure,float *rate_change_insp_gas_pressure,float *interval_time_minutes,  const float *gas_time_constant,float *initial_gas_pressure);

int  vpm_calc(SLifeData* pINPUT, SVpm* pVPM, SDecoinfo*  pDECOINFO);
void  vpm_saturation_after_ascent(SLifeData* input);
extern  const float helium_time_constant[16];
extern  const float nitrogen_time_constant[16];

#endif /* VPM_H */