///////////////////////////////////////////////////////////////////////////////+
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/// -*- coding: UTF-8 -*-+
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///+
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/// \file   Discovery/Src/tInfoPredive.c+
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/// \brief  Show information which might be of interest during predive checks+
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/// \author heinrichs weikamp gmbh+
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/// \date   23-Feb-2015+
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///+
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/// \details+
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///+
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/// $Id$+
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///////////////////////////////////////////////////////////////////////////////+
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/// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh+
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///+
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///     This program is free software: you can redistribute it and/or modify+
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///     it under the terms of the GNU General Public License as published by+
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///     the Free Software Foundation, either version 3 of the License, or+
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///     (at your option) any later version.+
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///+
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///     This program is distributed in the hope that it will be useful,+
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///     but WITHOUT ANY WARRANTY; without even the implied warranty of+
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///     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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///     GNU General Public License for more details.+
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///+
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///     You should have received a copy of the GNU General Public License+
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///     along with this program.  If not, see <http://www.gnu.org/licenses/>.+
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//////////////////////////////////////////////////////////////////////////////+
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+
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/* Includes ------------------------------------------------------------------*/+
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+
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#include "gfx_engine.h"+
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#include "gfx_fonts.h"+
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#include "tHome.h"+
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#include "tInfo.h"+
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#include "tInfoPreDive.h"+
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#include "tMenuEdit.h"+
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#include "data_exchange_main.h"+
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+
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#include <string.h>+
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#include <inttypes.h>+
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+
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#define MEASURE_INTERVALL		(10u)	/* refresh function should be called every 100ms => one second interval */+
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#define HISTORY_BUF_SIZE 		(240u)	/* store 240 entries a one second */+
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#define INVALID_PRESSURE_VALUE	(0xFFFF)+
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#define DELTA_SHIFT				(50)	/* the graph printers do not support negative values => shift data into positiv area (assumes pressure range +- 300mBar) */+
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+
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/* Private variables ---------------------------------------------------------*/+
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static uint16_t surfacePressureStart = INVALID_PRESSURE_VALUE;+
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static uint16_t surfaceTemperatureStart = 0;+
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static uint16_t pressureHistory[HISTORY_BUF_SIZE];+
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static uint8_t pressureHistoryIndex = 0;+
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static uint16_t temperatureHistory[HISTORY_BUF_SIZE];+
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static uint8_t temperatureHistoryIndex = 0;+
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static uint8_t measureCnt = MEASURE_INTERVALL;+
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static uint8_t referenceSensor = 0xff;+
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+
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/* Exported functions --------------------------------------------------------*/+
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+
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+
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+
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static void storePressureValue(int16_t deltapressure_mBar)+
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{+
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	uint16_t newValue = DELTA_SHIFT - deltapressure_mBar;	/* invert value because graph is drawing larger values to bottom direction */+
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	if(pressureHistoryIndex + 2 < HISTORY_BUF_SIZE)+
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	{+
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		pressureHistoryIndex++;+
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		pressureHistory[pressureHistoryIndex] = newValue;+
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		pressureHistoryIndex++;+
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		pressureHistory[pressureHistoryIndex] = newValue;+
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	}+
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	else+
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	{+
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		memcpy (&pressureHistory[0],&pressureHistory[2],sizeof(pressureHistory) - 2);+
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		pressureHistory[pressureHistoryIndex] = newValue;+
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	}+
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}+
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+
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static void storeTemperatureValue(uint16_t temperature)+
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{+
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	uint16_t newValue =  temperature;		/* todo: consider negativ temperature */+
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	if(temperatureHistoryIndex + 2 < HISTORY_BUF_SIZE)+
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	{+
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		temperatureHistoryIndex++;+
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		temperatureHistory[temperatureHistoryIndex] = newValue;+
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		temperatureHistoryIndex++;+
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		temperatureHistory[temperatureHistoryIndex] = newValue;+
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	}+
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	else+
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	{+
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		memcpy (&temperatureHistory[0],&temperatureHistory[2],sizeof(temperatureHistory) - 2);+
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		temperatureHistory[temperatureHistoryIndex] = newValue;+
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	}+
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}+
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+
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void openInfo_PreDive()+
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{+
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	const SDiveState *pStateReal = stateRealGetPointer();+
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	uint8_t index = 0;+
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	SSensorDataDiveO2* pDiveO2Data = NULL;+
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	SSettings *pSettings = settingsGetPointer();+
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    set_globalState(StIPREDIVE);+
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+
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    surfacePressureStart = 0;+
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    pressureHistoryIndex = 0;+
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    referenceSensor = 0xff;+
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+
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	for(index = 0; index < EXT_INTERFACE_MUX_OFFSET; index++)+
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	{+
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		if((pSettings->ext_sensor_map[index] == SENSOR_DIGO2M) &&  pStateReal->lifeData.ppO2Sensor_bar[index] != 0)+
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		{+
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			referenceSensor = index;+
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			pDiveO2Data = (SSensorDataDiveO2*)stateRealGetPointer()->lifeData.extIf_sensor_data[index];+
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			if(pDiveO2Data->pressure != 0)+
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			{+
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				surfacePressureStart = pDiveO2Data->pressure / 1000;+
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				surfaceTemperatureStart = pDiveO2Data->temperature;+
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			}+
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			break;+
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		}+
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	}+
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    for(index = 0; index < HISTORY_BUF_SIZE; index++)+
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    {+
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    	pressureHistory[index] = DELTA_SHIFT;+
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    	temperatureHistory[index] = 0;+
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    }+
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}+
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+
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void refreshInfo_PreDive(GFX_DrawCfgScreen s)+
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{+
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	const SDiveState *pStateReal = stateRealGetPointer();+
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	static int16_t deltaPressure = 0;+
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	static uint16_t temperature = 0;+
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	SSettings *pSettings = settingsGetPointer();+
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	uint8_t index = 0;+
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    char text[31];+
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    SSensorDataDiveO2* pDiveO2Data = NULL;+
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    point_t start, stop;+
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+
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    SWindowGimpStyle wintempppO2;+
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    SWindowGimpStyle wintemptemp;+
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+
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    if(--measureCnt == 0)+
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    {+
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    	measureCnt = MEASURE_INTERVALL;+
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    	pDiveO2Data = (SSensorDataDiveO2*)stateRealGetPointer()->lifeData.extIf_sensor_data[referenceSensor];+
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    	if(pDiveO2Data->pressure != 0)+
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    	{+
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    		if(surfacePressureStart == 0)+
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    		{+
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    			surfacePressureStart = pDiveO2Data->pressure / 1000;+
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    			surfaceTemperatureStart = pDiveO2Data->temperature;+
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    		}+
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    		deltaPressure = (pDiveO2Data->pressure / 1000) - surfacePressureStart;+
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    		storePressureValue(deltaPressure);+
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    		temperature = pDiveO2Data->temperature;+
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    		storeTemperatureValue(temperature);+
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    	}+
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    }+
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+
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    text[0] = '\001';+
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	text[1] = TXT_PreDive;+
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	text[2] = 0;+
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	tInfo_write_content_simple(  30, 770, ME_Y_LINE_BASE, &FontT48, text, CLUT_MenuPageHardware);+
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+
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	for(index = 0; index < EXT_INTERFACE_MUX_OFFSET; index++)+
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	{+
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		if((pSettings->ext_sensor_map[index] == SENSOR_DIGO2M) || (pSettings->ext_sensor_map[index] == SENSOR_ANALOG))+
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		{+
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			snprintf(text,32,"%c%c%d: %01.2f", TXT_2BYTE, TXT2BYTE_Sensor, index, pStateReal->lifeData.ppO2Sensor_bar[index]);+
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			tInfo_write_content_simple(  5, 780, ME_Y_LINE1 + (index * ME_Y_LINE_STEP), &FontT48, text, CLUT_Font020);+
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		}+
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		else if(pSettings->ext_sensor_map[index] == SENSOR_CO2M)+
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		{+
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			snprintf(text,32,"CO2: %4ld", pStateReal->lifeData.CO2_data.CO2_ppm);+
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			tInfo_write_content_simple(  5, 780, ME_Y_LINE5, &FontT48, text, CLUT_Font020);+
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		}+
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	}+
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+
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    wintempppO2.left = 350;+
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    wintempppO2.right = 590;+
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+
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    wintemptemp.left = 350;+
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    wintemptemp.right = 590;+
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+
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   	wintempppO2.top = ME_Y_LINE3;+
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   	wintempppO2.bottom = wintempppO2.top + DELTA_SHIFT * 2;+
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   	wintemptemp.top = ME_Y_LINE5;+
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   	wintemptemp.bottom = wintemptemp.top + DELTA_SHIFT * 2;+
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+
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    start.x =  wintempppO2.left - 5;+
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    start.y =  480 - wintemptemp.bottom - 5;+
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    stop.x = wintempppO2.right- start.x + 5;+
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    stop.y = DELTA_SHIFT * 2 + 10;+
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    GFX_draw_box(&s, start, stop,1, CLUT_Font020);+
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+
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    start.y =  480 - wintempppO2.bottom - 5;+
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    GFX_draw_box(&s, start, stop,1, CLUT_Font020);+
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+
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    if(pSettings->FlipDisplay)+
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    {+
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        wintempppO2.left = 800 - 590;+
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        wintempppO2.right = 800 - 350;+
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        wintemptemp.left = 800 - 590;+
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        wintemptemp.right = 800 - 350;+
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    }+
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    GFX_graph_print(&s, &wintempppO2, 1,1,0, DELTA_SHIFT * 2, pressureHistory, HISTORY_BUF_SIZE, CLUT_Font030, NULL);+
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+
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    GFX_graph_print(&s, &wintemptemp, 1,1, surfaceTemperatureStart - 2000, surfaceTemperatureStart + 10000, temperatureHistory, HISTORY_BUF_SIZE, CLUT_Font030, NULL);+
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+
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/* Graph labeling */+
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    snprintf(text,32,"%c%c", TXT_2BYTE, TXT2BYTE_CounterLung);+
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   	tInfo_write_content_simple(  350, 795, ME_Y_LINE2, &FontT48, text, CLUT_Font020);+
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+
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   	snprintf(text,32,"\002\016\016%c%c", TXT_2BYTE, TXT2BYTE_Pressure);+
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   	tInfo_write_content_simple(  500, 795, ME_Y_LINE3, &FontT48, text, CLUT_Font020);+
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    snprintf(text,32,"\002%d",deltaPressure);+
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	tInfo_write_content_simple(  500, 795, ME_Y_LINE4, &FontT48, text, CLUT_Font020);+
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	snprintf(text,32,"\002\016\016%c",TXT_Temperature);+
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	tInfo_write_content_simple(  300, 795, ME_Y_LINE5, &FontT48, text, CLUT_Font020);+
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    snprintf(text,32,"\002%2.2f",(temperature / 1000.0));+
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	tInfo_write_content_simple(  300, 795, ME_Y_LINE6, &FontT48, text, CLUT_Font020);+
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}+
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+
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void sendActionToInfoPreDive(uint8_t sendAction)+
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{+
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    switch(sendAction)+
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    {+
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    	case ACTION_BUTTON_BACK:+
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    	//	exitInfo();+
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    		exitMenuEdit_to_Menu_with_Menu_Update();+
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    			break;+
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+
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    	case ACTION_BUTTON_ENTER:+
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    		break;+
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		case ACTION_BUTTON_NEXT:+
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			break;+
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		case ACTION_TIMEOUT:+
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		case ACTION_MODE_CHANGE:+
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	    case ACTION_IDLE_TICK:+
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	    case ACTION_IDLE_SECOND:+
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		default:+
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	        break;+
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    }+
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}+
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+
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