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view Discovery/Src/tMenuEditXtra.c @ 850:bc2fcd002fc4 Evo_2_23

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Check line enable/disable state when a new page is selected: Some lines may change the enable/disable state based on events which are triggered from outside the page scope (for example sensor setup). Updating the line states while another page is active caused problems in the framebuffer handling. To solve this usecase the conditions for the line dis/enabling is checked when a "nextPage" is selected. If condition changed then the page will be refreshed.
author Ideenmodellierer
date Fri, 01 Mar 2024 19:30:29 +0100
parents 17d9d6eddd8d
children 7755a476f164
line wrap: on
line source

///////////////////////////////////////////////////////////////////////////////
/// -*- coding: UTF-8 -*-
///
/// \file   Discovery/Src/tMenuEditXtra.c
/// \brief  Menu Edit Xtra - Specials in Divemode like Reset Stopwatch
/// \author heinrichs weikamp gmbh
/// \date   02-Mar-2015
///
/// \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 <stdbool.h>

#include "tMenuEditXtra.h"

#include "gfx_fonts.h"
#include "simulation.h"
#include "timer.h"
#include "tMenuEdit.h"
#include "data_exchange_main.h"
#include "motion.h"
#include "configuration.h"
#include "tInfoPreDive.h"


/* Private function prototypes -----------------------------------------------*/
void openEdit_CompassHeading(void);
void openEdit_ResetStopwatch(void);
void openEdit_SimFollowDecostops(void);
void openEdit_SetManualMarker(void);
void openEdit_SetEndDive(void);
void openEdit_CalibViewport(void);

static void openEdit_CCRModeSensorOrFixedSP(void);
static void openEdit_Fallback(void);
static void openEdit_Scrubber(void);
#ifdef ENABLE_PSCR_MODE
static void openEdit_PSCR(void);
#endif

/* Announced function prototypes -----------------------------------------------*/
uint8_t OnAction_CompassHeading	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
uint8_t OnAction_ScrubberTimerId(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberTimerMax(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_ScrubberMode(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
#ifdef ENABLE_PSCR_MODE
static uint8_t OnAction_PSCRO2Drop(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
static uint8_t OnAction_PSCRLungRation(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
#endif

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


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

    /* DIVE MODE */
    if(actual_menu_content != MENU_SURFACE)
    {
    	resetMenuEdit(CLUT_MenuPageXtra);

		switch(line)
		{
			case 1:
			default:
				openEdit_ResetStopwatch();
				break;
			case 2:
				openEdit_CompassHeading();
				break;
			case 3:
				openEdit_SetManualMarker();
				break;
			case 4:
				openEdit_CalibViewport();
				break;
			case 5:
				if(is_stateUsedSetToSim())
				{
					 openEdit_SimFollowDecostops();
				}
				else
				{
					openEdit_SetEndDive();
				}
				break;
		}
    }
    else /* surface mode */
    {
		switch(line)
		{
			case 1: openEdit_CCRModeSensorOrFixedSP();
				break;
			case 2: openEdit_Fallback();
				break;
			case 3: openEdit_Scrubber();
				break;
#ifdef ENABLE_PSCR_MODE
			case 4: openEdit_PSCR();
				break;
#endif
			case 5:	openInfo_PreDive();
				break;
			default:
				break;
		}
    }
}

/* Private functions ---------------------------------------------------------*/
void openEdit_ResetStopwatch(void)
{
    timer_Stopwatch_Restart();
    exitMenuEdit_to_Home();
}

void openEdit_SetManualMarker(void)
{
    stateUsedWrite->events.manualMarker = 1;
    exitMenuEdit_to_Home();
}

void openEdit_SetEndDive(void)
{
	dataOutGetPointer()->setEndDive = 1;
    exitMenuEdit_to_Home();
}

void openEdit_SimFollowDecostops(void)
{
    simulation_set_heed_decostops(!simulation_get_heed_decostops());
    exitMenuEdit_to_Menu_with_Menu_Update();
}

void openEdit_CalibViewport(void)
{
	calibrateViewport(stateUsed->lifeData.compass_roll, stateUsed->lifeData.compass_pitch, stateUsed->lifeData.compass_heading);
	suspendMotionDetection(0);	/* exit to focus mode directly */
    exitMenuEdit_to_Home();
}


static void openEdit_CCRModeSensorOrFixedSP(void)
{
    SSettings *pSettings = settingsGetPointer();

    if(pSettings->CCR_Mode == CCRMODE_Sensors) {
        pSettings->CCR_Mode = CCRMODE_FixedSetpoint;
    } else {
        pSettings->CCR_Mode = CCRMODE_Sensors;
    }

    exitEditWithUpdate();
}

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

    SSettings *pSettings = settingsGetPointer();

    if (pSettings->CCR_Mode == CCRMODE_Sensors) {
        pSettings->fallbackToFixedSetpoint = (pSettings->fallbackToFixedSetpoint + 1) % 2;
    }

    exitMenuEdit_to_Menu_with_Menu_Update_do_not_write_settings_for_this_only();
}


static void printScrubberResetText(char *text, SSettings *settings)
{
    int16_t currentTimerMinutes = settings->scrubberData[settings->scubberActiveId].TimerCur;
    char colour = '\020';
    if (currentTimerMinutes <= 0) {
        colour = '\025';
    } else if (currentTimerMinutes <= 30) {
        colour = '\024';
    }
    snprintf(text, 32, "%c\002%c%03i\016\016 %c\017", TXT_ScrubTimeReset, colour, currentTimerMinutes, TXT_Minutes);
}


static void openEdit_Scrubber(void)
{
	char text[32];
	uint8_t textIndex = 0;
    uint16_t localScrubTimer;

    SSettings *pSettings = settingsGetPointer();

    localScrubTimer =  pSettings->scrubberData[pSettings->scubberActiveId].TimerMax;

	resetMenuEdit(CLUT_MenuPageXtra);


	snprintf(&text[0], 32,"\001%c",TXT_ScrubTime);
    write_topline(text);


    snprintf(&text[0], 32,"%c \002#%d",TXT_ScrubTime,pSettings->scubberActiveId);
    write_field_button(StMXTRA_ScrubTimer, 20, 780, ME_Y_LINE1,  &FontT48, text);

    snprintf(&text[textIndex], 32,\
        "%c"
    	"\016\016(%c)\017"
        ,TXT_ScrubTime
		,TXT_Maximum);

    write_label_var(  20, 340, ME_Y_LINE2, &FontT48, text);
    snprintf(&text[textIndex], 32, "\002###\016\016 %c\017",TXT_Minutes);

    write_field_udigit(StMXTRA_ScrubTimer_Max,	 610, 780, ME_Y_LINE2,  &FontT48, text,localScrubTimer, 0, 0, 0);

    printScrubberResetText(text, pSettings);
    write_field_button(StMXTRA_ScrubTimer_Reset, 20, 780, ME_Y_LINE3,  &FontT48, text);

    if(pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay != 0)
    {
    	snprintf(&text[0], 32,"%c%c\002       %02d.%02d.%02d", TXT_2BYTE, TXT2BYTE_SimDiveTime, 	pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Date,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Month,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Year);
    }
    else
    {
       	snprintf(&text[0], 32,"%c%c\002       --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
    }
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);

   	switch(pSettings->scrubTimerMode)
    	{
    		case SCRUB_TIMER_OFF:
    		default: 	snprintf(&text[0], 32,"%c\002%c%c",TXT_ScrubTimeMode, TXT_2BYTE, TXT2BYTE_MoCtrlNone );
    			break;
    		case SCRUB_TIMER_MINUTES: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Minutes );
    			break;
    		case SCRUB_TIMER_PERCENT: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Percent );
    			break;
    	}
    write_field_button(StMXTRA_ScrubTimer_OP_Mode,	 20, 780, ME_Y_LINE5,  &FontT48, text);

    setEvent(StMXTRA_ScrubTimer, (uint32_t)OnAction_ScrubberTimerId);
    setEvent(StMXTRA_ScrubTimer_Max, (uint32_t)OnAction_ScrubberTimerMax);
    setEvent(StMXTRA_ScrubTimer_Reset, (uint32_t)OnAction_ScrubberReset);
    setEvent(StMXTRA_ScrubTimer_OP_Mode, (uint32_t)OnAction_ScrubberMode);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);

}

static void openEdit_PSCR(void)
{
	uint8_t localO2Drop,localLungRatio;
    char text[32];
    SSettings *pSettings = settingsGetPointer();
    localO2Drop = pSettings->pscr_o2_drop;
    localLungRatio = pSettings->pscr_lung_ratio;

    resetMenuEdit(CLUT_MenuPageXtra);

    snprintf(text, 32, "\001%c",TXT_PSClosedCircuit);
    write_topline(text);

    text[0] = '\002';
    text[1] = '\016';
    text[2] = '\016';
    text[3] = '%';
    text[4] = 0;
    write_label_fix(   20, 800, ME_Y_LINE1, &FontT48, TXT_PSCRO2Drop);
    write_label_var(  435, 780, ME_Y_LINE1, &FontT48, text);
    write_field_udigit(StMXTRA_PSCR_O2_Drop, 710, 779, ME_Y_LINE1, &FontT48, "##", (uint32_t)localO2Drop, 0, 0, 0);


    text[0] = '\002';
    text[1] = '1';
    text[2] = '/';
    text[3] = 0;

    write_label_fix(   20, 800, ME_Y_LINE2, &FontT48, TXT_PSCRLungRatio);
    write_label_var(  435, 710, ME_Y_LINE2, &FontT48, text);
    write_field_udigit(StMXTRA_PSCR_LUNG_RATIO, 710, 779, ME_Y_LINE2, &FontT48, "##", (uint32_t)localLungRatio, 0, 0, 0);

    write_buttonTextline(TXT2BYTE_ButtonBack,TXT2BYTE_ButtonEnter,TXT2BYTE_ButtonNext);

    setEvent(StMXTRA_PSCR_O2_Drop,	(uint32_t)OnAction_PSCRO2Drop);
    setEvent(StMXTRA_PSCR_LUNG_RATIO,	(uint32_t)OnAction_PSCRLungRation);
}



static uint8_t OnAction_CompassHeadingClear(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    stateUsedWrite->diveSettings.compassHeading = 0;

    exitMenuEdit_to_Home_with_Menu_Update();

    return EXIT_TO_HOME;
}


static uint8_t OnAction_CompassHeadingReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    stateUsedWrite->diveSettings.compassHeading = settingsGetPointer()->compassBearing;

    exitMenuEdit_to_Home_with_Menu_Update();

    return EXIT_TO_HOME;
}


static void drawCompassHeadingMenu(bool isRefresh)
{
    SSettings *settings = settingsGetPointer();

    char text[32];
    snprintf(text, 32, "\001%c%c", TXT_2BYTE, TXT2BYTE_CompassHeading);
    write_topline(text);

    uint16_t heading;
    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);

    if (!isRefresh) {
        snprintf(text, 32, "%c%c", TXT_2BYTE, TXT2BYTE_Set);
        write_field_button(StMXTRA_CompassHeading, 20, 800, ME_Y_LINE2, &FontT48, text);
    } else {
        tMenuEdit_refresh_field(StMXTRA_CompassHeading);
    }

    bool headingIsSet = stateUsed->diveSettings.compassHeading;
    snprintf(text, 32, "%s%c%c", makeGrey(!headingIsSet), TXT_2BYTE, TXT2BYTE_Clear);
    if (headingIsSet) {
        if (!isRefresh) {
            write_field_button(StMXTRA_CompassHeadingClear, 20, 800, ME_Y_LINE3, &FontT48, text);
        } else {
            tMenuEdit_refresh_field(StMXTRA_CompassHeadingClear);
        }
    } else {
        write_label_var(20, 800, ME_Y_LINE3, &FontT48, text);
    }

    int16_t compassBearing = settings->compassBearing;
    bool canSetBearing = compassBearing && compassBearing != stateUsed->diveSettings.compassHeading;
    snprintf(text, 32, "%s%c%c (%03u`)", makeGrey(!canSetBearing), TXT_2BYTE, TXT2BYTE_Reset, compassBearing);
    if (canSetBearing) {
        if (!isRefresh) {
            write_field_button(StMXTRA_CompassHeadingReset, 20, 800, ME_Y_LINE4, &FontT48, text);
        } else {
            tMenuEdit_refresh_field(StMXTRA_CompassHeadingReset);
        }
    } else {
        write_label_var(20, 800, ME_Y_LINE4, &FontT48, text);
    }

    if (!isRefresh) {
        setEvent(StMXTRA_CompassHeading, (uint32_t)OnAction_CompassHeading);
        setEvent(StMXTRA_CompassHeadingClear, (uint32_t)OnAction_CompassHeadingClear);
        setEvent(StMXTRA_CompassHeadingReset, (uint32_t)OnAction_CompassHeadingReset);
    }

    write_buttonTextline(TXT2BYTE_ButtonBack, TXT2BYTE_ButtonEnter, TXT2BYTE_ButtonNext);
}


void refresh_CompassHeading(void)
{
    drawCompassHeadingMenu(true);
}


void openEdit_CompassHeading(void)
{
    drawCompassHeadingMenu(false);
}


uint8_t OnAction_CompassHeading	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	setCompassHeading((uint16_t)stateUsed->lifeData.compass_heading);
    exitMenuEdit_to_Home_with_Menu_Update();
    return EXIT_TO_HOME;
}


uint8_t OnAction_ScrubberTimerId(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	SSettings *pSettings;
    pSettings = settingsGetPointer();

    if(pSettings->scubberActiveId == 0)
    {
    	pSettings->scubberActiveId = 1;
    }
    else
    {
       	pSettings->scubberActiveId = 0;
    }


    snprintf(&text[0], 32,"%c \002#%d",TXT_ScrubTime,pSettings->scubberActiveId);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer, text);

    printScrubberResetText(text, pSettings);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_Reset, text);

    tMenuEdit_newInput(StMXTRA_ScrubTimer_Max, pSettings->scrubberData[pSettings->scubberActiveId].TimerMax,  0,  0, 0);

    if(pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay != 0)
    {
    	snprintf(&text[0], 32,"%c%c\002   %02d.%02d.%02d", TXT_2BYTE, TXT2BYTE_SimDiveTime, 	pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Date,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Month,
																				pSettings->scrubberData[pSettings->scubberActiveId].lastDive.Year);
    }
    else
    {
       	snprintf(&text[0], 32,"%c%c\002   --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
    }
    clean_content(  20, 780, ME_Y_LINE4, &FontT48);
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);

    return UNSPECIFIC_RETURN;
}

static uint8_t OnAction_ScrubberTimerMax(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newScrubberTime;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newScrubberTime, 0, 0, 0);

        if(newScrubberTime > MAX_SCRUBBER_TIME)
        	newScrubberTime = MAX_SCRUBBER_TIME;

        pSettings = settingsGetPointer();
        pSettings->scrubberData[pSettings->scubberActiveId].TimerMax = newScrubberTime;
        if(pSettings->scrubberData[pSettings->scubberActiveId].TimerCur > newScrubberTime)
        {
        	pSettings->scrubberData[pSettings->scubberActiveId].TimerCur = newScrubberTime;
        }

        tMenuEdit_newInput(editId, newScrubberTime, 0, 0, 0);
        digitContentNew = UNSPECIFIC_RETURN;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}

uint8_t OnAction_ScrubberReset(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	SSettings *pSettings;
    pSettings = settingsGetPointer();
    pSettings->scrubberData[pSettings->scubberActiveId].TimerCur = pSettings->scrubberData[pSettings->scubberActiveId].TimerMax;
    pSettings->scrubberData[pSettings->scubberActiveId].lastDive.WeekDay = 0;	/* invalidate date */

    printScrubberResetText(text, pSettings);
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_Reset, text);

   	snprintf(&text[0], 32,"%c%c\002   --.--.--", TXT_2BYTE, TXT2BYTE_SimDiveTime);
   	clean_content(  20, 780, ME_Y_LINE4, &FontT48);
	write_label_var(  20, 780, ME_Y_LINE4, &FontT48, text);


    return UNSPECIFIC_RETURN;
}

uint8_t OnAction_ScrubberMode(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
	char text[32];
	uint8_t newMode;
	SSettings *pSettings;
    pSettings = settingsGetPointer();
    newMode = pSettings->scrubTimerMode + 1;
    if(newMode >= SCRUB_TIMER_END)
    {
   	 newMode = SCRUB_TIMER_OFF;
    }
    pSettings->scrubTimerMode = newMode;

   	switch(pSettings->scrubTimerMode)
    	{
    		case SCRUB_TIMER_OFF:
    		default: 	snprintf(&text[0], 32,"%c\002%c%c",TXT_ScrubTimeMode, TXT_2BYTE, TXT2BYTE_MoCtrlNone );
    			break;
    		case SCRUB_TIMER_MINUTES: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Minutes );
    			break;
    		case SCRUB_TIMER_PERCENT: snprintf(&text[0], 32,"%c\002%c",TXT_ScrubTimeMode, TXT_Percent );
    			break;
    	}
    tMenuEdit_newButtonText(StMXTRA_ScrubTimer_OP_Mode, text);

    return UNSPECIFIC_RETURN;
}

#ifdef ENABLE_PSCR_MODE
static uint8_t OnAction_PSCRO2Drop(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newO2Drop;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newO2Drop, 0, 0, 0);

        if(newO2Drop > PSCR_MAX_O2_DROP)
        	newO2Drop = PSCR_MAX_O2_DROP;

        pSettings = settingsGetPointer();
        pSettings->pscr_o2_drop = newO2Drop;

        tMenuEdit_newInput(editId, newO2Drop, 0, 0, 0);
        digitContentNew = UPDATE_DIVESETTINGS;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}

static uint8_t OnAction_PSCRLungRation(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    SSettings *pSettings;
    uint8_t digitContentNew = EXIT_TO_MENU;
    uint32_t newLungRatio;

    if(action == ACTION_BUTTON_ENTER)
    {
        return digitContent;
    }
    if(action == ACTION_BUTTON_ENTER_FINAL)
    {
        evaluateNewString(editId, &newLungRatio, 0, 0, 0);

        if(newLungRatio > PSCR_MAX_LUNG_RATIO)
        	newLungRatio = PSCR_MAX_LUNG_RATIO;

        if(newLungRatio < PSCR_MIN_LUNG_RATIO)
        	newLungRatio = PSCR_MIN_LUNG_RATIO;

        pSettings = settingsGetPointer();
        pSettings->pscr_lung_ratio = newLungRatio;

        tMenuEdit_newInput(editId, newLungRatio, 0, 0, 0);
        digitContentNew = UPDATE_DIVESETTINGS;
    }
    if(action == ACTION_BUTTON_NEXT)
    {
        digitContentNew = digitContent + 1;
        if(digitContentNew > '9')
            digitContentNew = '0';
    }
    if(action == ACTION_BUTTON_BACK)
    {
        digitContentNew = digitContent - 1;
        if(digitContentNew < '0')
            digitContentNew = '9';
    }
    return digitContentNew;
}
#endif