/**+
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  ******************************************************************************+
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  * @file    check_warning.c+
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  * @author  heinrichs weikamp gmbh+
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  * @date    17-Nov-2014+
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  * @version V0.0.1+
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  * @since   17-Nov-2014+
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  * @brief   check and set warnings for warnings+
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  *+
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  @verbatim+
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  ==============================================================================+
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              ##### How to use #####+
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  ==============================================================================+
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  OSTC3 Warnings:+
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		niedriger Batteriezustand (+
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		zu hoher oder zu niedriger Sauerstoffpartialdruck (ppO2) 0.2 - 1.6+
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		zu hoher CNS (Gefahr der Sauerstoffvergiftung) 90%+
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		zu hohe Gradientenfaktoren 90 - 90+
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		Missachtung der Dekostopps (der �berschrittene Dekostopp wird rot angezeigt) 0 m+
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		zu hohe Aufstiegsgeschwindigkeit 30 m/min+
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		aGF-Warnung: die Berechnung der Dekompression wird �ber alternative GF-Werte durchgef�hrt+
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		Fallback-Warnung bei ausgefallenem Sensor+
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+
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	@endverbatim+
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  ******************************************************************************+
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  * @attention+
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  *+
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  * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>+
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  *+
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  ******************************************************************************+
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  */+
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+
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/* Includes ------------------------------------------------------------------*/+
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+
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#include "data_exchange.h"+
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#include "check_warning.h"+
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#include "settings.h"+
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#include "decom.h"+
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#include "tCCR.h"+
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+
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/* Private variables wit access ----------------------------------------------*/+
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uint8_t betterGasId = 0;+
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uint8_t betterSetpointId = 0;+
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int8_t fallback = 0;+
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+
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/* Private function prototypes -----------------------------------------------*/+
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int8_t check_fallback(SDiveState * pDiveState);+
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int8_t check_ppO2(SDiveState * pDiveState);+
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int8_t check_O2_sensors(SDiveState * pDiveState);+
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int8_t check_CNS(SDiveState * pDiveState);+
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int8_t check_Deco(SDiveState * pDiveState);+
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int8_t check_AscentRate(SDiveState * pDiveState);+
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int8_t check_aGF(SDiveState * pDiveState);+
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int8_t check_BetterGas(SDiveState * pDiveState);+
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int8_t check_BetterSetpoint(SDiveState * pDiveState);+
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int8_t check_Battery(SDiveState * pDiveState);+
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+
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int8_t check_helper_same_oxygen_and_helium_content(SGasLine * gas1, SGasLine * gas2);+
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+
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/* Exported functions --------------------------------------------------------*/+
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+
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void check_warning(void)+
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{+
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	SDiveState * pDiveState;+
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+
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	if(stateUsed == stateRealGetPointer())+
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		pDiveState = stateRealGetPointerWrite();+
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	else+
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		pDiveState = stateSimGetPointerWrite();+
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+
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  check_warning2(pDiveState);+
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}+
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+
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+
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void check_warning2(SDiveState * pDiveState)+
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{+
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  pDiveState->warnings.numWarnings = 0;+
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+
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	pDiveState->warnings.numWarnings += check_aGF(pDiveState);+
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	pDiveState->warnings.numWarnings += check_AscentRate(pDiveState);+
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	pDiveState->warnings.numWarnings += check_CNS(pDiveState);+
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	pDiveState->warnings.numWarnings += check_Deco(pDiveState);+
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	pDiveState->warnings.numWarnings += check_ppO2(pDiveState);+
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	pDiveState->warnings.numWarnings += check_O2_sensors(pDiveState);+
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	pDiveState->warnings.numWarnings += check_BetterGas(pDiveState);+
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	pDiveState->warnings.numWarnings += check_BetterSetpoint(pDiveState);+
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	pDiveState->warnings.numWarnings += check_Battery(pDiveState);+
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	pDiveState->warnings.numWarnings += check_fallback(pDiveState);+
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}+
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+
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+
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void set_warning_fallback(void)+
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{+
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	fallback = 1;+
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}+
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+
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+
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void clear_warning_fallback(void)+
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{+
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	fallback = 0;+
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}+
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+
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+
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uint8_t actualBetterGasId(void)+
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{+
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	return betterGasId;+
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}+
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+
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+
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uint8_t actualBetterSetpointId(void)+
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{+
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	return betterSetpointId;+
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}+
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+
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+
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uint8_t actualLeftMaxDepth(const SDiveState * pDiveState)+
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{+
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	if(pDiveState->lifeData.depth_meter > (pDiveState->lifeData.max_depth_meter - 3.0f))+
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		return 0;+
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	else+
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		return 1;+
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}+
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+
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+
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/* Private functions ---------------------------------------------------------*/+
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int8_t check_fallback(SDiveState * pDiveState)+
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{+
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	if(fallback && ((pDiveState->mode != MODE_DIVE) || (pDiveState->diveSettings.diveMode != DIVEMODE_CCR)))+
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		fallback = 0;+
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	+
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	pDiveState->warnings.fallback = fallback;+
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	return pDiveState->warnings.fallback;+
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}+
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+
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+
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int8_t check_ppO2(SDiveState * pDiveState)+
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{+
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	if(pDiveState->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.ppO2Low = 0;+
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		pDiveState->warnings.ppO2High = 0;+
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		return 0;+
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	}+
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+
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	uint8_t localPPO2, testPPO2high;+
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+
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	if(pDiveState->lifeData.ppO2 < 0)+
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		localPPO2 = 0;+
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	else+
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	if(pDiveState->lifeData.ppO2 >= 2.5f)+
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		localPPO2 = 255;+
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	else+
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	localPPO2 = (uint8_t)(pDiveState->lifeData.ppO2 * 100);+
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+
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	if((localPPO2 + 1) <= settingsGetPointer()->ppO2_min)+
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			pDiveState->warnings.ppO2Low = 1;+
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	else+
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			pDiveState->warnings.ppO2Low = 0;+
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	+
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	if(actualLeftMaxDepth(pDiveState))+
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		testPPO2high = settingsGetPointer()->ppO2_max_deco;+
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	else+
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		testPPO2high = settingsGetPointer()->ppO2_max_std;+
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+
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	if(localPPO2 >= (testPPO2high + 1))+
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			pDiveState->warnings.ppO2High = 1;+
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	else+
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			pDiveState->warnings.ppO2High = 0;+
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+
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	return pDiveState->warnings.ppO2Low + pDiveState->warnings.ppO2High;+
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}+
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+
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+
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int8_t check_O2_sensors(SDiveState * pDiveState)+
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{+
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	pDiveState->warnings.sensorLinkLost = 0;+
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	pDiveState->warnings.sensorOutOfBounds[0] = 0;+
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	pDiveState->warnings.sensorOutOfBounds[1] = 0;+
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	pDiveState->warnings.sensorOutOfBounds[2] = 0;+
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+
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	if((pDiveState->diveSettings.diveMode == DIVEMODE_CCR) && (pDiveState->diveSettings.CCR_Mode == CCRMODE_Sensors))+
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	{+
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		if(!get_HUD_battery_voltage_V())+
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			pDiveState->warnings.sensorLinkLost = 1;+
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		+
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		test_HUD_sensor_values_outOfBounds(&pDiveState->warnings.sensorOutOfBounds[0], &pDiveState->warnings.sensorOutOfBounds[1], &pDiveState->warnings.sensorOutOfBounds[2]);+
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		+
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	}+
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	return 		pDiveState->warnings.sensorLinkLost+
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					+ pDiveState->warnings.sensorOutOfBounds[0]+
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					+ pDiveState->warnings.sensorOutOfBounds[1]+
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					+ pDiveState->warnings.sensorOutOfBounds[2];+
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}+
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+
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+
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int8_t check_BetterGas(SDiveState * pDiveState)+
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{+
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	if(stateUsed->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.betterGas = 0;+
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		betterGasId = 0;+
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		return 0;+
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	}+
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+
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	uint8_t  gasIdOffset;+
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	uint8_t bestGasDepth, betterGasIdLocal;+
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+
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  SLifeData* pLifeData = &pDiveState->lifeData;+
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  SDiveSettings* pDiveSettings = &pDiveState->diveSettings;+
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+
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  pDiveState->warnings.betterGas = 0;+
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	betterGasId = 0;+
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	betterGasIdLocal = pLifeData->actualGas.GasIdInSettings;+
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	bestGasDepth = 255;+
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+
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	if(pDiveSettings->diveMode == DIVEMODE_CCR)+
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		gasIdOffset = NUM_OFFSET_DILUENT;+
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	else+
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		gasIdOffset = 0;+
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+
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	/* life data is float, gas data is uint8 */+
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	if(actualLeftMaxDepth(pDiveState)) /* deco gases */+
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	{+
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		for(int i=1+gasIdOffset; i<= 5+gasIdOffset; i++)+
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		{+
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			if(	 (pDiveSettings->gas[i].note.ub.active)+
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				&& (pDiveSettings->gas[i].note.ub.deco)+
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				&& (pDiveSettings->gas[i].depth_meter)+
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				&& (pDiveSettings->gas[i].depth_meter >= (pLifeData->depth_meter - 0.01f ))+
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				&& (pDiveSettings->gas[i].depth_meter <= bestGasDepth)+
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				)+
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				{+
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					betterGasIdLocal = i;+
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					bestGasDepth = pDiveSettings->gas[i].depth_meter;+
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				}+
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		}+
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+
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		if(betterGasIdLocal != pLifeData->actualGas.GasIdInSettings)+
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		{+
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			if(!check_helper_same_oxygen_and_helium_content(&pDiveSettings->gas[betterGasIdLocal], &pDiveSettings->gas[pLifeData->actualGas.GasIdInSettings]))+
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			{+
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				betterGasId = betterGasIdLocal;+
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				pDiveState->warnings.betterGas = 1;+
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			}+
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		}+
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	}+
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	else /* travel gases */+
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	{+
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	  bestGasDepth = 0;+
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	  //check for travalgas+
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	  for(int i=1+gasIdOffset; i<= 5+gasIdOffset; i++)+
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    {+
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      if(	 (pDiveSettings->gas[i].note.ub.active)+
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        && (pDiveSettings->gas[i].note.ub.travel)+
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        && (pDiveSettings->gas[i].depth_meter_travel)+
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        && (pDiveSettings->gas[i].depth_meter_travel <= (pLifeData->depth_meter + 0.01f ))+
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        && (pDiveSettings->gas[i].depth_meter_travel >= bestGasDepth)+
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        )+
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        {+
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          betterGasIdLocal = i;+
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          bestGasDepth = pDiveSettings->gas[i].depth_meter;+
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        }+
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    }+
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+
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    if(betterGasIdLocal != pLifeData->actualGas.GasIdInSettings)+
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    {+
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			if(!check_helper_same_oxygen_and_helium_content(&pDiveSettings->gas[betterGasIdLocal], &pDiveSettings->gas[pLifeData->actualGas.GasIdInSettings]))+
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			{+
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				betterGasId = betterGasIdLocal;+
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				pDiveState->warnings.betterGas = 1;+
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			}+
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    }+
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	}+
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	return pDiveState->warnings.betterGas;+
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}+
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+
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/* check for better travel!!! setpoint hw 151210+
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 */ +
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int8_t check_BetterSetpoint(SDiveState * pDiveState)+
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{+
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	pDiveState->warnings.betterSetpoint = 0;+
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	betterSetpointId = 0;+
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+
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	if((stateUsed->mode != MODE_DIVE) || (pDiveState->diveSettings.diveMode != DIVEMODE_CCR) || (pDiveState->diveSettings.CCR_Mode != CCRMODE_FixedSetpoint))+
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	{+
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		return 0;+
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	}+
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	+
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	uint8_t bestSetpointDepth = 0; // travel the deeper, the better+
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	uint8_t betterSetpointIdLocal = 0; // nothing better+
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+
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	if(!actualLeftMaxDepth(pDiveState)) /* travel gases */+
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	{+
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		for(int i=1; i<=NUM_GASES; i++)+
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		{+
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			if(	 (pDiveState->diveSettings.setpoint[i].note.ub.active)+
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				&& (pDiveState->diveSettings.setpoint[i].depth_meter)+
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				&& (pDiveState->diveSettings.setpoint[i].depth_meter <= ( pDiveState->lifeData.depth_meter + 0.01f ))+
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				&& (pDiveState->diveSettings.setpoint[i].depth_meter >= bestSetpointDepth)+
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			)+
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				{+
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					betterSetpointIdLocal = i;+
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					bestSetpointDepth = pDiveState->diveSettings.setpoint[i].depth_meter;+
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				}+
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		}+
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		if((betterSetpointIdLocal) && (pDiveState->diveSettings.setpoint[betterSetpointIdLocal].setpoint_cbar  != pDiveState->lifeData.actualGas.setPoint_cbar))+
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		{+
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			betterSetpointId = betterSetpointIdLocal;+
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			pDiveState->warnings.betterSetpoint = 1;+
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		}+
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	}+
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	return pDiveState->warnings.betterSetpoint;+
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}+
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+
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+
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/* hw 151030+
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 */+
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int8_t check_helper_same_oxygen_and_helium_content(SGasLine * gas1, SGasLine * gas2) +
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{+
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	if(gas1->helium_percentage != gas2->helium_percentage)+
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		return 0;+
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	else+
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	if(gas1->oxygen_percentage != gas2->oxygen_percentage)+
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		return 0;+
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	else+
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		return 1;+
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}+
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+
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+
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int8_t check_CNS(SDiveState * pDiveState)+
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{+
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	if(stateUsed->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.cnsHigh = 0;+
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		return 0;+
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	}+
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	+
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	if(pDiveState->lifeData.cns >= (float)(settingsGetPointer()->CNS_max))+
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			pDiveState->warnings.cnsHigh = 1;+
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	else+
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			pDiveState->warnings.cnsHigh = 0;+
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	return pDiveState->warnings.cnsHigh;+
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}+
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+
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+
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int8_t check_Battery(SDiveState * pDiveState)+
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{+
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	if(pDiveState->lifeData.battery_charge < 10)+
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		pDiveState->warnings.lowBattery = 1;+
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	else+
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		pDiveState->warnings.lowBattery = 0;+
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	+
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  return pDiveState->warnings.lowBattery;+
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}+
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+
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+
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int8_t check_Deco(SDiveState * pDiveState)+
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{+
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	if(stateUsed->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.decoMissed = 0;+
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		return 0;+
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	}+
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+
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	uint8_t depthNext = decom_get_actual_deco_stop(pDiveState);+
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	+
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	if(!depthNext)+
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      pDiveState->warnings.decoMissed = 0;+
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	else+
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  if(pDiveState->lifeData.depth_meter + 0.1f < (float)depthNext)+
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      pDiveState->warnings.decoMissed = 1;+
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  else+
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      pDiveState->warnings.decoMissed = 0;+
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	+
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  return pDiveState->warnings.decoMissed;+
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}+
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+
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+
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int8_t check_AscentRate(SDiveState * pDiveState)+
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{+
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	if(stateUsed->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.ascentRateHigh = 0;+
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		return 0;+
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	}+
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+
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	float warnAscentRateFloat;+
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+
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	warnAscentRateFloat = (float)(settingsGetPointer()->ascent_MeterPerMinute_max);+
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+
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	if(pDiveState->lifeData.ascent_rate_meter_per_min >= warnAscentRateFloat)+
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			pDiveState->warnings.ascentRateHigh = 1;+
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	else+
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			pDiveState->warnings.ascentRateHigh = 0;+
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	return pDiveState->warnings.ascentRateHigh;+
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}+
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+
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+
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int8_t check_aGF(SDiveState * pDiveState)+
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{+
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	if(stateUsed->mode != MODE_DIVE)+
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	{+
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		pDiveState->warnings.aGf = 0;+
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		return 0;+
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	}+
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+
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  pDiveState->warnings.aGf = 0;+
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  if(pDiveState->diveSettings.deco_type.ub.standard == GF_MODE)+
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  {+
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    if((pDiveState->diveSettings.gf_high != settingsGetPointer()->GF_high) || (pDiveState->diveSettings.gf_low != settingsGetPointer()->GF_low))+
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      pDiveState->warnings.aGf = 1;+
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  }+
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  return pDiveState->warnings.aGf;+
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}+
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+
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/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/+
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+
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