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1 ///////////////////////////////////////////////////////////////////////////////
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2 /// -*- coding: UTF-8 -*-
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3 ///
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4 /// \file Common/Inc/decom.h
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5 /// \brief This code is used to calculate desat, calculated by RTE and send to Firmware
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6 /// \author Heinrichs Weikamp
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7 /// \date 22-Feb-2016
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8 ///
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9 /// $Id$
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10 ///////////////////////////////////////////////////////////////////////////////
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11 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
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12 ///
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13 /// This program is free software: you can redistribute it and/or modify
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14 /// it under the terms of the GNU General Public License as published by
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15 /// the Free Software Foundation, either version 3 of the License, or
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16 /// (at your option) any later version.
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17 ///
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18 /// This program is distributed in the hope that it will be useful,
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19 /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 /// GNU General Public License for more details.
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22 ///
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23 /// You should have received a copy of the GNU General Public License
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24 /// along with this program. If not, see <http://www.gnu.org/licenses/>.
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25 //////////////////////////////////////////////////////////////////////////////
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26
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27 #ifndef DECOM_H
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28 #define DECOM_H
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29
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30 #include "data_central.h"
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31
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32 # define WATER_VAPOUR_PRESSURE (0.0493f) // Schreiner 1971
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33
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34 void decom_get_inert_gases(const float ambient_pressure_bar,const SGas* pGas, float* fraction_nitrogen, float* fraction_helium );
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35 void decom_tissues_exposure(int period_in_seconds, SLifeData* pLifeData);
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36 void decom_tissues_exposure2(int period_in_seconds, SGas* pActualGas, float pressure_ambient_bar, float *tissue_N2_selected_stage, float *tissue_He_selected_stage);
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37 float decom_schreiner_equation(float *initial_inspired_gas_pressure, float *rate_change_insp_gas_pressure, float *interval_time_minutes, const float *gas_time_constant, float *initial_gas_pressure);
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38 void decom_reset_with_1000mbar(SLifeData * pLifeData);
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39
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40 void decom_tissues_exposure_stage_schreiner(int period_in_seconds, SGas* pGas, float starting_ambient_pressure_bar, float ending_ambient_pressure_bar,
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41 float* pTissue_nitrogen_bar, float* pTissue_helium_bar);
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42 void decom_CreateGasChangeList(SDiveSettings* pInput, const SLifeData* lifeData);
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43 uint8_t decom_tissue_test_tolerance(float* Tissue_nitrogen_bar, float* Tissue_helium_bar, float GF_value, float depth_in_bar_absolute);
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44 void decom_tissues_desaturation_time(const SLifeData* pLifeData, SLifeData2* pOutput);
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45 void test_decom_CreateGasChangeList(void);
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46
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47 float decom_calc_ppO2(const float ambiant_pressure_bar, const SGas* pGas);
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48 void decom_oxygen_calculate_otu(float* oxygen_otu, float pressure_oxygen_real);
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49 void decom_oxygen_calculate_otu_degrade(float* oxygen_otu, long seconds_since_last_dive);
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50 void decom_oxygen_calculate_cns_degrade(float* oxygen_cns, long seconds_since_last_dive);
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51 void decom_oxygen_calculate_cns(float* oxygen_cns, float pressure_oxygen_real);
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52 void decom_oxygen_calculate_cns_stage_SchreinerStyle(int period_in_seconds, SGas* pGas, float starting_ambient_pressure_bar, float ending_ambient_pressure_bar, float* oxygen_cns);
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53 void decom_oxygen_calculate_cns_exposure(int period_in_seconds, SGas* pActualGas, float pressure_ambient_bar, float* oxygen_cns);
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54 uint8_t decom_get_actual_deco_stop(SDiveState* pDiveState);
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55
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56 // wird nur in smallCPU verwendet:
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57 int decom_calc_desaturation_time(float* Tissue_nitrogen_bar, float* Tissue_helium_bar, float surface_pressure_bar);
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58
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59 #endif /* DECOM_H */
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60
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