///////////////////////////////////////////////////////////////////////////////
/// -*- coding: UTF-8 -*-
///
/// \file   Discovery/Src/tMenuEditHardware.c
/// \brief  BUTTONS
/// \author heinrichs weikamp gmbh
/// \date   15-Sept-2016
///
/// \details
///
/// $Id$
///////////////////////////////////////////////////////////////////////////////
/// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
///
///     This program is free software: you can redistribute it and/or modify
///     it under the terms of the GNU General Public License as published by
///     the Free Software Foundation, either version 3 of the License, or
///     (at your option) any later version.
///
///     This program is distributed in the hope that it will be useful,
///     but WITHOUT ANY WARRANTY; without even the implied warranty of
///     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
///     GNU General Public License for more details.
///
///     You should have received a copy of the GNU General Public License
///     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////////////

/* Includes ------------------------------------------------------------------*/
#include "tMenuEditHardware.h"

#include "externCPU2bootloader.h"
#include "gfx_fonts.h"
#include "ostc.h"
#include "tCCR.h"
#include "tMenuEdit.h"
#include "tHome.h"
#include "tInfo.h"
#include "tInfoLog.h"
#include "tInfoSensor.h"
#include "tComm.h"
#include "data_exchange_main.h"


extern void tM_build_pages(void);

/* Private function prototypes -----------------------------------------------*/
void openEdit_Bluetooth(void);
void openEdit_Compass(void);
void openEdit_O2Sensors(void);
void openEdit_Brightness(void);
//void openEdit_Luftintegration(void);
void openEdit_ButtonSens(void);
void openEdit_FlipDisplay(void);

/* Announced function prototypes -----------------------------------------------*/
uint8_t OnAction_Compass		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Bearing		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_BearingClear	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_InertiaLevel	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
//uint8_t OnAction_ExitHardw	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Sensor1		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Sensor2		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Sensor3		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_O2_Calibrate   (uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
//uint8_t OnAction_O2_Source		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Sensor_Info	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Sensor_Detect	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_Button			(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_ButtonBalance	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_ButtonLock		(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
// not required uint8_t OnAction_Bluetooth				(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);

/* Exported functions --------------------------------------------------------*/


#define O2_CALIB_FRACTION_AIR	(0.209F)
#define O2_CALIB_FRACTION_O2	(0.98F)

static uint8_t	O2_calib_gas = 21;
static uint8_t haveSensorInfo = 0;

void openEdit_Hardware(uint8_t line)
{
    set_globalState_Menu_Line(line);

    switch(line)
    {
    case 1:
    default:
        openEdit_Bluetooth();
    break;
    case 2:
    	resetMenuEdit(CLUT_MenuPageHardware);
        openEdit_Compass();
    break;
    case 3:
        openEdit_O2Sensors();
    break;
    case 4:
        openEdit_Brightness();
    break;
    case 5:
    	resetMenuEdit(CLUT_MenuPageHardware);
        openEdit_ButtonSens();
    break;
    case 6:
    	openEdit_FlipDisplay();
    break;
    }
}

/* Private functions ---------------------------------------------------------*/
void openEdit_Bluetooth(void)
{
/* does not work like this	resetEnterPressedToStateBeforeButtonAction(); */

    SSettings *pSettings = settingsGetPointer();

    if(pSettings->bluetoothActive == 0)
    {
        pSettings->bluetoothActive = 1;
        MX_Bluetooth_PowerOn();
        tComm_StartBlueModConfig();
    }
    else
    {
        pSettings->bluetoothActive = 0;
        MX_Bluetooth_PowerOff();
    }
    exitMenuEdit_to_Menu_with_Menu_Update_do_not_write_settings_for_this_only();
}

void openEdit_FlipDisplay(void)
{
/* does not work like this	resetEnterPressedToStateBeforeButtonAction(); */

    SSettings *pSettings = settingsGetPointer();

    if(pSettings->FlipDisplay == 0)
    {
        pSettings->FlipDisplay = 1;
    }
    else
    {
        pSettings->FlipDisplay = 0;
    }
    /* reinit all views */
    tHome_init();
    tI_init();
    tM_init();
    tMenuEdit_init();
    tInfoLog_init();
    tM_build_pages();
    GFX_build_logo_frame();
    GFX_build_hw_background_frame();

    exitEditWithUpdate();
    exitMenuEdit_to_Home();
}


static uint8_t togglePlusMinus(uint8_t input)
{
    if (input == '+') {
        return '-';
    } else {
        return '+';
    }
}


static uint8_t OnAction_CompassDeclination(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *settings = settingsGetPointer();
    uint8_t digitContentNew;
    switch (action) {
    case ACTION_BUTTON_ENTER:

        return digitContent;
    case ACTION_BUTTON_ENTER_FINAL:
        {
            int32_t compassDeclinationDeg;
            evaluateNewString(editId, (uint32_t *)&compassDeclinationDeg, NULL, NULL, NULL);

            if (compassDeclinationDeg > 99) {
                compassDeclinationDeg = 99;
            } else if (compassDeclinationDeg < -99) {
                compassDeclinationDeg = -99;
            }

            settings->compassDeclinationDeg = compassDeclinationDeg;

            tMenuEdit_newInput(editId, ((input_u)compassDeclinationDeg).uint32, 0, 0, 0);
        }

        break;
    case ACTION_BUTTON_NEXT:
        if (digitNumber == 0) {
            digitContentNew = togglePlusMinus(digitContent);
        } else {
            digitContentNew = digitContent + 1;
            if (digitContentNew > '9') {
                digitContentNew = '0';
            }
        }

        return digitContentNew;
    case ACTION_BUTTON_BACK:
        if (digitNumber == 0) {
            digitContentNew = togglePlusMinus(digitContent);
        } else {
            digitContentNew = digitContent - 1;
            if (digitContentNew < '0') {
                digitContentNew = '9';
            }
        }

        return digitContentNew;
    }

    return UNSPECIFIC_RETURN;
}


static void showCompassDeclination(SSettings *settings, bool isRefresh)
{
    char text[16];
    snprintf(text, 16, "%c%c:", TXT_2BYTE, TXT2BYTE_CompassDeclination);
    write_label_var(30, 800, ME_Y_LINE6, &FontT48, text);
    if (isRefresh) {
        tMenuEdit_refresh_field(StMHARD2_Compass_Declination);
    } else {
        write_field_sdigit(StMHARD2_Compass_Declination, 500, 800, ME_Y_LINE6, &FontT48, "\034###`", settings->compassDeclinationDeg, 0, 0, 0);
    }
}


void refresh_CompassEdit(void)
{
    SSettings *settings = settingsGetPointer();

    uint16_t heading;
    char text[32];
    uint8_t textIndex = 0;

    text[0] = '\001';
    text[1] = TXT_2BYTE;
    text[2] = TXT2BYTE_Compass;
    text[3] = 0;
    write_topline(text);

    if(settings->compassInertia)
    {
    	heading = (uint16_t)compass_getCompensated();
    }
    else
    {
    	heading = (uint16_t)stateUsed->lifeData.compass_heading;
    }
    snprintf(text,32,"\001%03i`",heading);
    write_label_var(   0, 800, ME_Y_LINE1, &FontT54, text);

    tMenuEdit_refresh_field(StMHARD2_Compass_SetCourse);
    tMenuEdit_refresh_field(StMHARD2_Compass_Calibrate);
    tMenuEdit_refresh_field(StMHARD2_Compass_ResetCourse);
    text[textIndex++] = TXT_2BYTE;
    text[textIndex++] = TXT2BYTE_CompassInertia;
    text[textIndex++] = ':';
    text[textIndex++] = ' ';
    text[textIndex++] = '0' + settings->compassInertia;

    write_label_var(30, 800, ME_Y_LINE5,  &FontT48, text);

    showCompassDeclination(settings, true);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);
}


void openEdit_Compass(void)
{
    SSettings *settings = settingsGetPointer();

    char text[10];
    uint8_t textIndex = 0;

    text[textIndex++] = '\001';
    text[textIndex++] = TXT_2BYTE;
    text[textIndex++] = TXT2BYTE_Compass;
    text[textIndex++] = 0;
    write_topline(text);

    text[0] = TXT_2BYTE;
    text[2] = 0;

    text[1] = TXT2BYTE_SetBearing;
    write_field_button(StMHARD2_Compass_SetCourse,	 30, 800, ME_Y_LINE2,  &FontT48, text);

    text[1] = TXT2BYTE_ResetBearing;
    write_field_button(StMHARD2_Compass_ResetCourse, 30, 800, ME_Y_LINE3,  &FontT48, text);

    text[1] = TXT2BYTE_CompassCalib;
    write_field_button(StMHARD2_Compass_Calibrate,	 30, 800, ME_Y_LINE4,  &FontT48, text);

    text[1] = TXT2BYTE_CompassInertia;
    textIndex = 2;
    text[textIndex++] = ':';
    text[textIndex++] = ' ';
    text[textIndex++] = '0' + settings->compassInertia;
    text[textIndex++] = 0;

    write_field_button(StMHARD2_Compass_Inertia, 30, 800, ME_Y_LINE5,  &FontT48, text);

    showCompassDeclination(settings, false);

    setEvent(StMHARD2_Compass_SetCourse,		(uint32_t)OnAction_Bearing);
    setEvent(StMHARD2_Compass_ResetCourse,	(uint32_t)OnAction_BearingClear);
    setEvent(StMHARD2_Compass_Calibrate,		(uint32_t)OnAction_Compass);
    setEvent(StMHARD2_Compass_Inertia,	(uint32_t)OnAction_InertiaLevel);
    setEvent(StMHARD2_Compass_Declination, (uint32_t)OnAction_CompassDeclination);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);
}


uint8_t OnAction_Compass (uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    calibrateCompass();
    return EXIT_TO_INFO_COMPASS;
}


uint8_t OnAction_Bearing	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    if((int16_t)stateUsed->lifeData.compass_heading != -1)
	{
		settingsGetPointer()->compassBearing = (int16_t)stateUsed->lifeData.compass_heading;
	}
	else
	{
		settingsGetPointer()->compassBearing = 0;
	}

    if(settingsGetPointer()->compassBearing == 0)
        settingsGetPointer()->compassBearing = 360;
    return UPDATE_AND_EXIT_TO_MENU;
}


uint8_t OnAction_BearingClear	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    settingsGetPointer()->compassBearing = 0;
    return UPDATE_AND_EXIT_TO_MENU;
}


uint8_t OnAction_InertiaLevel	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	uint8_t newLevel = 0;

	newLevel = settingsGetPointer()->compassInertia + 1;
	if(newLevel > MAX_COMPASS_COMP)
	{
		newLevel = 0;
	}
	settingsGetPointer()->compassInertia = newLevel;
    return UPDATE_DIVESETTINGS;
}

/*
uint8_t OnAction_ExitHardw (uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    return EXIT_TO_MENU;
}
*/

void refresh_O2Sensors(void)
{
    char strSensorId[20];
    char strSensorValue[20];
    uint16_t y_line;
    uint8_t index = 0;

    const SDiveState *pStateReal = stateRealGetPointer();
    SSettings *pSettings = settingsGetPointer();

	if(memcmp(pSettings->ext_sensor_map, pStateReal->lifeData.extIf_sensor_map, 5) != 0)
	{
		memcpy(pSettings->ext_sensor_map, pStateReal->lifeData.extIf_sensor_map, 5);
		pSettings->ppo2sensors_deactivated = 0x0;	/* deactivation will be done by openEditO2Sensor if need */

		pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_OPTIC;
		for(index = 0; index < 3; index++)
		{
				switch(pSettings->ext_sensor_map[index])
				{
					case SENSOR_OPTIC:	pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_OPTIC;
									break;
					case SENSOR_ANALOG:	if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_DIGITAL)
										{
											pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_ANADIG;
										}
										if(pSettings->ppo2sensors_source != O2_SENSOR_SOURCE_ANADIG)
										{
											pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_ANALOG;
										}
									break;
					case SENSOR_DIGO2:	if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_ANALOG)
										{
											pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_ANADIG;
										}
										if(pSettings->ppo2sensors_source != O2_SENSOR_SOURCE_ANADIG)
										{
											pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_DIGITAL;
										}
									break;
#ifdef ENABLE_SENTINEL_MODE
					case SENSOR_SENTINEL:	pSettings->ppo2sensors_source = O2_SENSOR_SOURCE_SENTINEL;
									break;
#endif
					default:
									break;
				}
		}
		openEdit_O2Sensors();
	}

	if((pStateReal->lifeData.extIf_sensor_Id != 0) && (haveSensorInfo == 0)) /* the sensor is detected after the interface has been selected => add button if info become available */
	{
			haveSensorInfo = 1;
		    openEdit_O2Sensors();
	}
	else
	{
		if(pStateReal->lifeData.extIf_sensor_Id == 0)
		{
			haveSensorInfo = 0;
		}

		strSensorId[0] = '\001';
		strSensorId[1] = TXT_o2Sensors;
		strSensorId[2] = 0;
		write_topline(strSensorId);


		strSensorId[0] = TXT_2BYTE;
		strSensorId[1] = TXT2BYTE_Sensor;
		strSensorId[2] = ' ';
		strSensorId[3] = TXT_2BYTE;
		strSensorId[4] = 'X';
		strSensorId[5] = '1';
		strSensorId[6] = 0;

		for(index = 0; index < 3; index++)
		{
			strSensorId[4] = 'X';
			strSensorId[5] = '1' + index;

			switch(pSettings->ext_sensor_map[index])
			{
				case SENSOR_SEARCH: strSensorId[1] = TXT2BYTE_SensorDetect;
									strSensorId[2] = 0;
									strSensorId[4] = 0;
								break;
				case SENSOR_OPTIC:	strSensorId[4] = TXT2BYTE_O2IFOptic;
								break;
				case SENSOR_ANALOG:	strSensorId[4] = TXT2BYTE_O2IFAnalog;
								break;
				case SENSOR_DIGO2: strSensorId[4] = TXT2BYTE_O2IFDigital;
								break;
				case SENSOR_CO2: strSensorId[3] = 'C';
								 strSensorId[4] = 'O';
								break;
				case SENSOR_SENTINEL: strSensorId[3] = 'S';
				 	 	 	 	 	  strSensorId[4] = 'e';
				 	 	 	 	break;
				default:
									  strSensorId[5] = 0;
					break;
			}
			if(strSensorId[4] != 'X')
			{
				write_label_var(  96, 340, ME_Y_LINE1 + (index * ME_Y_LINE_STEP), &FontT48, strSensorId);
			}
			strSensorValue[0] = 0;
			if((pSettings->ext_sensor_map[index] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[index] < SENSOR_TYPE_O2_END))
			{
				snprintf(strSensorValue, 20,"%01.2f, %01.1f mV",  pStateReal->lifeData.ppO2Sensor_bar[index], pStateReal->lifeData.sensorVoltage_mV[index]);
			}
			else if(pSettings->ext_sensor_map[index] == SENSOR_CO2)
			{
				snprintf(strSensorValue, 20,"%ld ppm",  pStateReal->lifeData.CO2_data.CO2_ppm);
			}
			y_line = ME_Y_LINE1 + (index * ME_Y_LINE_STEP);
			if(strSensorValue[0] != 0)
			{
				write_label_var(  480, 800, y_line, &FontT48, strSensorValue);
			}
		}

		if(pSettings->ext_sensor_map[0] == SENSOR_OPTIC)
		{
			strSensorId[0] = TXT_2BYTE;
			strSensorId[1] = TXT2BYTE_HUDbattery;
			strSensorId[2] = 0;
			write_label_var(  30, 340, ME_Y_LINE4, &FontT48, strSensorId);

			snprintf(strSensorId, 20,"%01.3fV", get_HUD_battery_voltage_V());
			write_label_var(  480, 800, ME_Y_LINE4, &FontT48, strSensorId);
		}
		else
		{
			if((pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_ANALOG) || (pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_ANADIG)
#ifdef ENABLE_SENTINEL_MODE
					|| (pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_SENTINEL)
#endif
					)
			{
				strSensorId[0] = TXT_2BYTE;
				strSensorId[1] = TXT2BYTE_O2Calib;
				strSensorId[2] = 0;
				write_label_var(  30, 340, ME_Y_LINE4, &FontT48, strSensorId);
				snprintf(strSensorId, 20,"%d%%", O2_calib_gas);
				write_label_var(  480, 800, ME_Y_LINE4, &FontT48, strSensorId);
			}
		}

	   	if(DataEX_external_ADC_Present())
	   	{
			strSensorId[0] = TXT_2BYTE;
			strSensorId[1] = TXT2BYTE_SensorDetect;
			strSensorId[2] = 0;

			write_label_var(  30, 340, ME_Y_LINE6, &FontT48, strSensorId);
	   	}

		if(haveSensorInfo == 1)
		{
			strSensorId[0] = TXT_Sensor;
			strSensorId[1] = ' ';
			strSensorId[2] = TXT_Information;
			strSensorId[3] = 0;
			write_label_var(  30, 340, ME_Y_LINE5, &FontT48, strSensorId);
		}

		if((pSettings->ext_sensor_map[0] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[0] < SENSOR_TYPE_O2_END))
		{
			tMenuEdit_refresh_field(StMHARD3_O2_Sensor1);
		}
		if((pSettings->ext_sensor_map[1] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[1] < SENSOR_TYPE_O2_END))
		{
			tMenuEdit_refresh_field(StMHARD3_O2_Sensor2);
		}
		if((pSettings->ext_sensor_map[2] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[2] < SENSOR_TYPE_O2_END))
		{
			tMenuEdit_refresh_field(StMHARD3_O2_Sensor3);
		}
	}

    if(get_globalState() == StMHARD3_O2_Calibrate)
    {
    	write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_O2Calib,TXT2BYTE_ButtonPlus);
    }
    else
    {
    	write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);
    }
}


void openEdit_O2Sensors(void)
{
	SSettings *pSettings = settingsGetPointer();
    uint8_t sensorActive[3];
    char text[3];

    set_globalState(StMHARD3_Sensors);
	resetMenuEdit(CLUT_MenuPageHardware);

    sensorActive[0] = 1;
    sensorActive[1] = 1;
    sensorActive[2] = 1;

	if(((pSettings->ext_sensor_map[0] < SENSOR_OPTIC) || (pSettings->ext_sensor_map[0] >= SENSOR_TYPE_O2_END)))
	{
		pSettings->ppo2sensors_deactivated |= 1;
	}
	else
	{
		write_field_on_off(StMHARD3_O2_Sensor1,	 30, 95, ME_Y_LINE1,  &FontT48, "", sensorActive[0]);
	}
	if(((pSettings->ext_sensor_map[1] < SENSOR_OPTIC) || (pSettings->ext_sensor_map[1] >= SENSOR_TYPE_O2_END)))
	{
		pSettings->ppo2sensors_deactivated |= 2;
	}
	else
	{
		 write_field_on_off(StMHARD3_O2_Sensor2,	 30, 95, ME_Y_LINE2,  &FontT48, "", sensorActive[1]);
	}
	if(((pSettings->ext_sensor_map[2] < SENSOR_OPTIC) || (pSettings->ext_sensor_map[2] >= SENSOR_TYPE_O2_END)))
	{
		pSettings->ppo2sensors_deactivated |= 4;
	}
	else
	{
		write_field_on_off(StMHARD3_O2_Sensor3,	 30, 95, ME_Y_LINE3,  &FontT48, "", sensorActive[2]);
	}
    if(settingsGetPointer()->ppo2sensors_deactivated & 1)
        sensorActive[0] = 0;
    if(settingsGetPointer()->ppo2sensors_deactivated & 2)
        sensorActive[1] = 0;
    if(settingsGetPointer()->ppo2sensors_deactivated & 4)
        sensorActive[2] = 0;

    if(pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_OPTIC)
    {
    	haveSensorInfo = 0;		/* as long as we do not move the HUD battery into the information page... */
    }

    if((pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_ANALOG) || (pSettings->ppo2sensors_source == O2_SENSOR_SOURCE_ANADIG)
#ifdef ENABLE_SENTINEL_MODE
    		|| (settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_SENTINEL)
#endif
	)
    {
        write_label_fix(   30, 800, ME_Y_LINE4, &FontT48, TXT2BYTE_O2Calib);
        write_label_var(  400, 800, ME_Y_LINE4, &FontT48, "\016\016 %\017");

        write_field_toggle(StMHARD3_O2_Calibrate,	400, 800, ME_Y_LINE4, &FontT48, "", 21, 98);
    }

   	if(haveSensorInfo != 0)
   	{
   		write_field_button(StMHARD3_Sensor_Info,	 30, 800, ME_Y_LINE5,  &FontT48, "");
   	}

   	if(DataEX_external_ADC_Present())
   	{
		text[0] = TXT_2BYTE;
		text[1] = TXT2BYTE_SensorDetect;
		text[2] = 0;

		write_label_var(  30, 340, ME_Y_LINE6, &FontT48, text);

		write_field_button(StMHARD3_Sensor_Detect,	 30, 800, ME_Y_LINE6,  &FontT48, text);
   	}

    if((pSettings->ext_sensor_map[0] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[0] < SENSOR_TYPE_O2_END))
	{
			setEvent(StMHARD3_O2_Sensor1, (uint32_t)OnAction_Sensor1);
	}
    if((pSettings->ext_sensor_map[1] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[1] < SENSOR_TYPE_O2_END))
	{
			setEvent(StMHARD3_O2_Sensor2, (uint32_t)OnAction_Sensor2);
	}
    if((pSettings->ext_sensor_map[2] >= SENSOR_OPTIC) && (pSettings->ext_sensor_map[2] < SENSOR_TYPE_O2_END))
	{
			setEvent(StMHARD3_O2_Sensor3, (uint32_t)OnAction_Sensor3);
	}

    if((settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_ANALOG) || (settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_ANADIG)
#ifdef ENABLE_SENTINEL_MODE
    		|| (settingsGetPointer()->ppo2sensors_source == O2_SENSOR_SOURCE_SENTINEL)
#endif
	)
    {
    	setEvent(StMHARD3_O2_Calibrate, (uint32_t)OnAction_O2_Calibrate);
    }

  	if(haveSensorInfo != 0)
   	{
   		setEvent(StMHARD3_Sensor_Info, (uint32_t)OnAction_Sensor_Info);
   	}

   	if(DataEX_external_ADC_Present())
   	{
   		setEvent(StMHARD3_Sensor_Detect, (uint32_t)OnAction_Sensor_Detect);
   	}
    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);
}


uint8_t OnAction_Sensor1(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    if(settingsGetPointer()->ppo2sensors_deactivated & 1)
    {
        settingsGetPointer()->ppo2sensors_deactivated &= 4+2;
        tMenuEdit_set_on_off(editId, 1);
    }
    else
    {
        settingsGetPointer()->ppo2sensors_deactivated |= 1;
        tMenuEdit_set_on_off(editId, 0);
    }

    return UPDATE_DIVESETTINGS;
}


uint8_t OnAction_Sensor2(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    if(settingsGetPointer()->ppo2sensors_deactivated & 2)
    {
        settingsGetPointer()->ppo2sensors_deactivated &= 4+1;
        tMenuEdit_set_on_off(editId, 1);
    }
    else
    {
        settingsGetPointer()->ppo2sensors_deactivated |= 2;
        tMenuEdit_set_on_off(editId, 0);
    }

    return UPDATE_DIVESETTINGS;
}


uint8_t OnAction_Sensor3(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    if(settingsGetPointer()->ppo2sensors_deactivated & 4)
    {
        settingsGetPointer()->ppo2sensors_deactivated &= 2+1;
        tMenuEdit_set_on_off(editId, 1);
    }
    else
    {
        settingsGetPointer()->ppo2sensors_deactivated |= 4;
        tMenuEdit_set_on_off(editId, 0);
    }

    return UPDATE_DIVESETTINGS;
}


uint8_t OnAction_O2_Calibrate (uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	uint8_t loop;
	const SDiveState *pStateReal = stateRealGetPointer();
	SSettings* pSettings = settingsGetPointer();
	uint8_t retVal = UNSPECIFIC_RETURN;
	float compensatedRef;

    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
    		if(O2_calib_gas == 21)
    		{
    			compensatedRef = O2_CALIB_FRACTION_AIR * pStateReal->lifeData.pressure_ambient_bar / 1.0;
    		}
    		else
    		{
    			compensatedRef = O2_CALIB_FRACTION_O2 * pStateReal->lifeData.pressure_ambient_bar / 1.0;
    		}
			for(loop=0;loop<3;loop++)
			{
				if((pSettings->ppo2sensors_deactivated & (0x1 << loop)) == 0)
				{
					if(pStateReal->lifeData.sensorVoltage_mV[loop] > 0.0001)		/* sensor connected ?*/
					{
#ifdef ENABLE_EXTERNAL_PRESSURE
						if(loop == 2)
						{
							compensatedRef = pStateReal->lifeData.pressure_ambient_bar;
						}
#endif

						pSettings->ppo2sensors_calibCoeff[loop] =  compensatedRef / pStateReal->lifeData.sensorVoltage_mV[loop];
					}
					else
					{
						pSettings->ppo2sensors_calibCoeff[loop] = 0.0;
						settingsGetPointer()->ppo2sensors_deactivated |= 0x1 << loop;
					}
				}
			}
			tMenuEdit_newInput(editId, O2_calib_gas, 0, 0, 0);
			retVal = UPDATE_DIVESETTINGS;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
		if(O2_calib_gas == 21)
		{
			O2_calib_gas = 98;
		}
		else
		{
			O2_calib_gas = 21;
		}
   	}
   	retVal = O2_calib_gas;

    if(action == ACTION_BUTTON_BACK)
    {
    	exitMenuEditField();
    }

	return retVal;
}

uint8_t OnAction_Sensor_Info(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	return EXIT_TO_INFO_SENSOR;
}

uint8_t OnAction_Sensor_Detect(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	DataEX_setExtInterface_Cmd(EXT_INTERFACE_AUTODETECT);
	return UNSPECIFIC_RETURN;
}

void openEdit_Brightness(void)
{
    uint8_t actualBrightness;
    SSettings *pSettings = settingsGetPointer();

    actualBrightness = pSettings->brightness;
    actualBrightness++;
    if(actualBrightness > 4)
        actualBrightness = 0;
    pSettings->brightness = actualBrightness;
    exitEditWithUpdate();
}


void buttonBalanceText_helper(uint8_t idOfButton, char *textOutput)
{
    uint8_t txtcount = 0;

    if(idOfButton < 3)
    {
        textOutput[txtcount++] = '@' + settingsGetPointer()->buttonBalance[idOfButton];
        textOutput[txtcount++] = ' ';
        textOutput[txtcount++] = ' ';
        textOutput[txtcount++] = '(';

        switch(settingsGetPointer()->buttonBalance[idOfButton])
    {
        case 1:
            textOutput[txtcount++] = '-';
            textOutput[txtcount++] = '2';
            textOutput[txtcount++] = '0';
            break;
        case 2:
            textOutput[txtcount++] = '-';
            textOutput[txtcount++] = '1';
            textOutput[txtcount++] = '0';
            break;
        case 3:
        default:
            textOutput[txtcount++] = '0';
            break;
        case 4:
            textOutput[txtcount++] = '+';
            textOutput[txtcount++] = '1';
            textOutput[txtcount++] = '0';
            break;
        case 5:
            textOutput[txtcount++] = '+';
            textOutput[txtcount++] = '2';
            textOutput[txtcount++] = '0';
            break;
        }
        textOutput[txtcount++] = ')';
    }
    textOutput[txtcount++] = 0;
}

/**#
  ******************************************************************************
  * @brief   BUTTONS
  * @author  heinrichs weikamp gmbh
  * @version V 01
  * @date    15-Sept-2016
  ******************************************************************************
    *	Button 0 is right, Button 1 is middle, Button 2 is left !!!!
    *   2    1    0    (base value 3)
    * Button 3 is used to store the base value, all others are balanced around this one!
    *
  */

void openEdit_ButtonSens(void)
{
    char text[32];
    uint8_t sens;
    const uint32_t eventListButtonBalance[3] = {StMHARD5_ButtonBalance1,StMHARD5_ButtonBalance2,StMHARD5_ButtonBalance3};

    sens = (uint8_t)settingsGetPointer()->ButtonResponsiveness[3];
    write_field_3digit(StMHARD5_Button1, 360, 780, ME_Y_LINE1,  &FontT48, "###", sens, 0, 0, 0);

    for(int i=2;i>=0;i--)
    {
        buttonBalanceText_helper(i,text);
        write_field_button(eventListButtonBalance[i],360,500,ME_Y_LINE4-(i*ME_Y_LINE_STEP),&FontT48,text);
    }

    snprintf(text,32,"%c",TXT_ButtonLock);
    write_field_on_off(StMHARD5_ButtonLock,	 30, 95, ME_Y_LINE5,  &FontT48, text, settingsGetPointer()->buttonLockActive);

    setEvent(StMHARD5_Button1, (uint32_t)OnAction_Button);

    for(int i=2;i>=0;i--)
    {
        setEvent(eventListButtonBalance[i], (uint32_t)OnAction_ButtonBalance);
    }
    setEvent(StMHARD5_ButtonLock, (uint32_t)OnAction_ButtonLock);
    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);
}


void refresh_ButtonValuesFromPIC(void)
{
    uint8_t sens[3];
    char text[64];

    text[0] = '\001';
    text[1] = TXT_2BYTE;
    text[2] = TXT2BYTE_ButtonSensitivity;
    text[3] = 0;
    write_topline(text);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);

    for(int i=0;i<3;i++)
    {
        text[0] = TXT_2BYTE;
        text[1] = TXT2BYTE_ButtonLeft+i;
        text[2] = 0;
        write_label_var(  20, 300, ME_Y_LINE2+(i*ME_Y_LINE_STEP), &FontT48, text);
    }

    for(int i=0;i<3;i++)
    {
        sens[i] = settingsHelperButtonSens_translate_hwOS_values_to_percentage(stateRealGetPointer()->lifeData.buttonPICdata[i]);
    }
    snprintf(text,64,"\020\016\016%c%c \017 (%03u  %03u  %03u)",TXT_2BYTE,TXT2BYTE_LowerIsLess,sens[2],sens[1],sens[0]);
    write_label_var(  20, 340, ME_Y_LINE6, &FontT42, text);

    tMenuEdit_refresh_field(StMHARD5_Button1);
    tMenuEdit_refresh_field(StMHARD5_ButtonBalance1);
    tMenuEdit_refresh_field(StMHARD5_ButtonBalance2);
    tMenuEdit_refresh_field(StMHARD5_ButtonBalance3);
    tMenuEdit_refresh_field(StMHARD5_ButtonLock);
}


uint8_t OnAction_Button(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    uint8_t digitContentNew, remainder;
    uint32_t newSensitivityGlobal;

    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent - '0';
        if(digitContentNew >= MAX_BUTTONRESPONSIVENESS_GUI)
        {
            digitContentNew = MIN_BUTTONRESPONSIVENESS_GUI;
        }
        else
        {
            remainder = digitContentNew%5;
            digitContentNew += 5 - remainder;
            if(digitContentNew >= MAX_BUTTONRESPONSIVENESS_GUI)
                digitContentNew = MAX_BUTTONRESPONSIVENESS_GUI;
        }
        return '0' + digitContentNew;
    }

    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - '0';
        if(digitContentNew <= MIN_BUTTONRESPONSIVENESS_GUI)
            digitContentNew = MAX_BUTTONRESPONSIVENESS_GUI;
        else
        {
            remainder = digitContentNew%5;
            if(remainder)
                digitContentNew -= remainder;
            else
                digitContentNew -= 5;
        }
        return '0' + digitContentNew;
    }

    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newSensitivityGlobal, 0, 0, 0);
        settingsHelperButtonSens_keepPercentageValues(newSensitivityGlobal, settingsGetPointer()->ButtonResponsiveness);
        setButtonResponsiveness(settingsGetPointer()->ButtonResponsiveness);
        return UNSPECIFIC_RETURN;
    }
    return digitContent;
}


uint8_t OnAction_ButtonBalance(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    int8_t idBalance = -1;
    uint8_t *ptrSetting;
    char text[32];

    const uint32_t eventListButtonBalance[3] = {StMHARD5_ButtonBalance1,StMHARD5_ButtonBalance2,StMHARD5_ButtonBalance3};

    idBalance = -1;
    for(int i=0;i<3;i++)
    {
        if(editId == eventListButtonBalance[i])
        {
            idBalance = i;
            break;
        }
    }

    if((idBalance >= 0) && (idBalance < 3))
    {
        ptrSetting = &settingsGetPointer()->buttonBalance[idBalance];

        *ptrSetting += 1;

        if(*ptrSetting > 5)
            *ptrSetting = 2;

        buttonBalanceText_helper(idBalance,text);
        tMenuEdit_newButtonText(eventListButtonBalance[idBalance],text);
    }

    return UNSPECIFIC_RETURN;
}

uint8_t OnAction_ButtonLock(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	SSettings *pSettings = settingsGetPointer();

    if(pSettings->buttonLockActive)
    {
    	pSettings->buttonLockActive = 0;
        tMenuEdit_set_on_off(editId, 0);
    }
    else
    {
    	pSettings->buttonLockActive = 1;
        tMenuEdit_set_on_off(editId, 1);
    }

    return UNSPECIFIC_RETURN;
}