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view Discovery/Src/tInfo.c @ 319:d8e86af78474 fix-version

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bugfix: correct packed main version number in dive header This fixes a rather mysterious bug. Users report that up to 1.3.5 beta, a correct version number is shown in libdivecomputer based applications (like in Subsurface, in the extra data tab). Careful examining the code in both libdivecomputer and the firmware shows a subtle error in the bit mask and shift operation to pack a full X.Y.Z.beta version number in 2 bytes (as is available in the dive header) in the firmware end (as the libdivecomputer code looks sane, assuming this is the right way to pack things). Likely, this bug crept in in the conversion from the closed source Keil period into the open source GCC setup of the code base. So its impossible to document the exact history of this problem here. Further notice that the main version number is only 1 of 3 version numbers, denoting the full version of the firmware (besides Font and RTE). Finally notice that this way of packing is limited to 2^5 bits (decimal 32), so we could easily build a 1.4.21, but not a 1.4.55. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 19 Jun 2019 14:31:50 +0200
parents b7b481df4f22
children 01f40cb1057e
line wrap: on
line source

///////////////////////////////////////////////////////////////////////////////
/// -*- coding: UTF-8 -*-
///
/// \file   Discovery/Src/tInfo.c
/// \brief  Main Template file for Info menu page on left side
/// \author heinrichs weikamp gmbh
/// \date   11-Aug-2014
///
/// \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 "tInfo.h"

#include "data_exchange.h"
#include "tDebug.h"
#include "gfx_fonts.h"
#include "tHome.h"
//#include "tInfoDive.h"
//#include "tInfoSurface.h"
#include "tInfoCompass.h"
#include "tMenu.h"

#include <string.h>

/* Private types -------------------------------------------------------------*/

typedef struct
{
    uint32_t pEventFunction;
    uint32_t callerID;
} SInfoEventHandler;

typedef struct
{
    char orgText[32];
    char newText[32];
    char input;
    char symbolCounter;
    int8_t begin[4], size[4];
    uint16_t coord[3];
    tFont *fontUsed;
    uint32_t callerID;
    uint8_t maintype;
    uint8_t subtype;
} SInfoIdent;

typedef enum
{
    FIELD_BUTTON = 1,
    FIELD_SELECT,
    FIELD_SYMBOL,
    FIELD_TOGGLE,
    FIELD_ON_OFF,
    FIELD_END
} SInfoField;

/* Private variables ---------------------------------------------------------*/
GFX_DrawCfgScreen	tIscreen;
GFX_DrawCfgScreen	tIcursor;

uint8_t infoColor = CLUT_InfoSurface;

int8_t TIid = 0;
int8_t TIidLast = -1;
SInfoIdent TIident[10];

int8_t TIevid = 0;
int8_t TIevidLast = -1;
SInfoEventHandler TIevent[10];

/* Private function prototypes -----------------------------------------------*/
void tInfo_build_page(void);

void tI_set_cursor(uint8_t forThisIdentID);
void tI_startInfoFieldSelect(void);
void tInfo_write_content_of_actual_Id(void);
void tI_clean_content_of_actual_Id(void);
void tInfo_write_content_without_Id(void);

void tI_clean_content(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font);
void tInfo_write_content(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font, const char *text, uint8_t color);

void tI_evaluateNewString       (uint32_t editID, uint32_t *pNewValue1, uint32_t *pNewValue2, uint32_t *pNewValue3, uint32_t *pNewValue4);

//void tI_tInfo_newInput        (uint32_t editID, uint32_t int1, uint32_t int2, uint32_t int3, uint32_t int4);
//void tI_tInfo_newButtonText   (uint32_t editID, char *text);

void tI_enterInfoField(void);
void tI_nextInfoField(void);

/* Announced function prototypes -----------------------------------------------*/
//uint8_t OnAction_ILoglist				(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);
//uint8_t OnAction_ISimulator			(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action);

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

void tI_init(void)
{
    tIscreen.FBStartAdress = 0;
    tIscreen.ImageHeight = 480;
    tIscreen.ImageWidth = 800;
    tIscreen.LayerIndex = 1;

    tIcursor.FBStartAdress = getFrame(12);
    tIcursor.ImageHeight = 480;
    tIcursor.ImageWidth = 800;
    tIcursor.LayerIndex = 0;

    GFX_fill_buffer(tIcursor.FBStartAdress, 0xFF, CLUT_InfoCursor);
}


void openInfo(uint32_t modeToStart)
{
    if((modeToStart != StILOGLIST) && (modeToStart != StIDEBUG))
        return;

    TIid = 0;
    TIidLast = -1;
    TIevid = 0;
    TIevidLast = -1;

    if(tIscreen.FBStartAdress)
        releaseFrame(14,tIscreen.FBStartAdress);
    tIscreen.FBStartAdress = getFrame(14);

//	GFX_SetFramesTopBottom(tIscreen.FBStartAdress, tIcursor.FBStartAdress,480);
    GFX_SetFramesTopBottom(tIscreen.FBStartAdress, 0,480);
    infoColor = CLUT_InfoSurface;

    if(modeToStart == StIDEBUG)
    {
        tDebug_start();
    }
    else
    {
        openLog(0);
    }
//	openInfoLogLastDive();
}

/*
void openInfo(void)
{
    if((stateUsed->mode == MODE_DIVE) && (!is_stateUsedSetToSim()))
    {
        return;
    }

    TIid = 0;
    TIidLast = -1;
    TIevid = 0;
    TIevidLast = -1;

    if(tIscreen.FBStartAdress)
        releaseFrame(14,tIscreen.FBStartAdress);
    tIscreen.FBStartAdress = getFrame(14);

    GFX_SetFramesTopBottom(tIscreen.FBStartAdress, tIcursor.FBStartAdress,480);

    if(stateUsed->mode == MODE_DIVE)
    {
        infoColor = CLUT_InfoSurface;
        openInfo_Dive();
    }
    else
    {
        infoColor = CLUT_InfoDive;
        openInfo_Surface();
    }
}
*/

/*
uint8_t OnAction_ILoglist	(uint32_t editId, uint8_t blockNumber, uint8_t digitNumber, uint8_t digitContent, uint8_t action)
{
    return 255;
}
*/

void tInfo_refresh(void)
{
    if(!inDebugMode() && (get_globalState() != StICOMPASS))
        return;

    uint32_t oldIscreen;

    oldIscreen = tIscreen.FBStartAdress;
    tIscreen.FBStartAdress = getFrame(14);
    infoColor = CLUT_InfoCompass;

    if(inDebugMode())
        tDebug_refresh();
    else
        refreshInfo_Compass(tIscreen);

    if(inDebugMode() || (get_globalState() == StICOMPASS)) /* could be timeout and exitInfo */
        GFX_SetFramesTopBottom(tIscreen.FBStartAdress, 0,480);

    if(oldIscreen)
        releaseFrame(14,oldIscreen);
}


void exitInfo(void)
{
    set_globalState_tHome();
    releaseFrame(14,tIscreen.FBStartAdress);
    exitDebugMode();
}


void sendActionToInfo(uint8_t sendAction)
{
    if(inDebugMode())
    {
        tDebugControl(sendAction);
        return;
    }

    if(get_globalState() == StICOMPASS)
        return;

    switch(sendAction)
    {
    case ACTION_BUTTON_ENTER:
        tI_enterInfoField();
        break;
    case ACTION_BUTTON_NEXT:
        tI_nextInfoField();
        break;
    case ACTION_TIMEOUT:
    case ACTION_MODE_CHANGE:
    case ACTION_BUTTON_BACK:
        exitInfo();
        break;
    default:
        break;
    case ACTION_IDLE_TICK:
    case ACTION_IDLE_SECOND:
        break;
    }

}

/* Private functions ---------------------------------------------------------*/

void tInfo_build_page(void)
{
    tInfo_write_content_simple(  30, 340,  90, &FontT48, "Logbook", CLUT_Font020);

}

void tInfo_write_content_simple(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font, const char *text, uint8_t color)
{
    GFX_DrawCfgWindow	hgfx;

    if(XrightGimpStyle > 799)
        XrightGimpStyle = 799;
    if(XleftGimpStyle >= XrightGimpStyle)
        XleftGimpStyle = 0;
    if(YtopGimpStyle > 479)
        YtopGimpStyle = 479;
    hgfx.Image = &tIscreen;
    hgfx.WindowNumberOfTextLines = 1;
    hgfx.WindowLineSpacing = 0;
    hgfx.WindowTab = 400;
    hgfx.WindowX0 = XleftGimpStyle;
    hgfx.WindowX1 = XrightGimpStyle;
    hgfx.WindowY1 = 479 - YtopGimpStyle;
    if(hgfx.WindowY1 < Font->height)
        hgfx.WindowY0 = 0;
    else
        hgfx.WindowY0 = hgfx.WindowY1 - Font->height;

    GFX_write_string_color(Font, &hgfx, text, 0, color);
}

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

void tI_startInfoFieldSelect(void)
{
    TIid = 0;
    tI_set_cursor(TIid);
}


void tI_nextInfoField(void)
{
    if(TIid < TIidLast)
        TIid++;
    else
        TIid = 0;
    tI_set_cursor(TIid);
}


void tI_previousInfoField(void)
{
    if(TIid > 0)
        TIid--;
    else
        TIid = TIidLast;
    tI_set_cursor(TIid);
}


uint8_t tI_get_newContent_of_actual_id_block_and_subBlock(uint8_t action)
{
    uint8_t (*onActionFunc)(uint32_t, uint8_t, uint8_t, uint8_t, uint8_t);
    uint8_t content;

    if(TIevent[TIevid].callerID != TIident[TIid].callerID)
        return 0;

    onActionFunc = (uint8_t (*)(uint32_t, uint8_t, uint8_t, uint8_t, uint8_t))(TIevent[TIevid].pEventFunction);

    if(TIident[TIid].maintype == FIELD_ON_OFF)
        content = TIident[TIid].input;
    else
        content = 0; /* just a default for protection */

    return onActionFunc(TIident[TIid].callerID, 0, 0, content, action);
}


void tI_enterInfoField(void)
{
    uint8_t newContent;

    TIevid = 0;
    while((TIevid < TIevidLast) && (TIevent[TIevid].callerID != TIident[TIid].callerID))
    {
        TIevid++;
    }

    if(TIevent[TIevid].callerID != TIident[TIid].callerID)
        return;

    newContent = tI_get_newContent_of_actual_id_block_and_subBlock(ACTION_BUTTON_ENTER);

    if(newContent == 255)
    {
        exitInfo();
        return;
    }

    switch(TIident[TIid].maintype)
    {
    case FIELD_BUTTON:
        break;
    case FIELD_ON_OFF:
        break;
    case FIELD_SYMBOL:
        TIident[TIid].input += 1;
        if(TIident[TIid].input >= TIident[TIid].symbolCounter)
            TIident[TIid].input = 0;
        TIident[TIid].newText[0] = TIident[TIid].orgText[TIident[TIid].input];
        tInfo_write_content_of_actual_Id();
        break;
    }
}


void tI_evaluateNewString(uint32_t editID, uint32_t *pNewValue1, uint32_t *pNewValue2, uint32_t *pNewValue3, uint32_t *pNewValue4)
{
    if(editID != TIident[TIid].callerID)
        return;

    uint8_t i, digitCount, digit;
    uint32_t sum[4], multiplier;

    for(i=0;i<4;i++)
        sum[i] = 0;

    i = 0;
    while( TIident[TIid].size[i] && (i < 4))
    {
        multiplier = 1;
        for(digitCount = 1; digitCount < TIident[TIid].size[i]; digitCount++)
            multiplier *= 10;

        for(digitCount = 0; digitCount < TIident[TIid].size[i]; digitCount++)
        {
            digit = TIident[TIid].newText[TIident[TIid].begin[i] + digitCount];

            if(digit > '0')
                digit -= '0';
            else
                digit = 0;

            if(digit > 9)
                digit = 9;

            sum[i] += digit * multiplier;

            if(multiplier >= 10)
                multiplier /= 10;
            else
                multiplier = 0;
        }
        i++;
    }

    *pNewValue1 = sum[0];
    *pNewValue2 = sum[1];
    *pNewValue3 = sum[2];
    *pNewValue4 = sum[3];
}


uint8_t tI_get_id_of(uint32_t editID)
{
    uint8_t temp_id;

    if(editID == TIident[TIid].callerID)
        return TIid;
    else
    {
        temp_id = 0;
        while((temp_id < 9) && (editID != TIident[temp_id].callerID))
            temp_id++;
        if(editID != TIident[temp_id].callerID)
            temp_id = 255;
        return temp_id;
    }
}


void tI_newButtonText(uint32_t editID, char *text)
{
    uint8_t backup_id, temp_id;

    temp_id = tI_get_id_of(editID);
    if(temp_id == 255)
        return;

    backup_id = TIid;
    TIid = temp_id;

    strncpy(TIident[TIid].newText, text, 32);
    TIident[TIid].newText[31] = 0;

    tI_clean_content_of_actual_Id();
    tInfo_write_content_of_actual_Id();

    TIid = backup_id;
}


void tInfo_set_on_off(uint32_t editID, uint32_t int1)
{
    uint8_t backup_id, temp_id;

    temp_id = tI_get_id_of(editID);
    if(temp_id == 255)
        return;

    backup_id = TIid;
    TIid = temp_id;

    TIident[TIid].input = int1;

    if(int1)
        change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoActive);
    else
        change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoInActive);

    tInfo_write_content_of_actual_Id();

    TIid = backup_id;
}


void tInfo_write_content_without_Id(void)
{
    tInfo_write_content( TIident[TIid].coord[0], TIident[TIid].coord[1], TIident[TIid].coord[2], TIident[TIid].fontUsed, TIident[TIid].newText, CLUT_InfoFieldRegular);
}


void tInfo_write_content_of_actual_Id(void)
{
    tInfo_write_content( TIident[TIid].coord[0], TIident[TIid].coord[1], TIident[TIid].coord[2], TIident[TIid].fontUsed, TIident[TIid].newText, (CLUT_InfoField0 + TIid));
}


void tI_clean_content_of_actual_Id(void)
{
    tI_clean_content( TIident[TIid].coord[0], TIident[TIid].coord[1], TIident[TIid].coord[2], TIident[TIid].fontUsed);
}


void tInfo_write_field_button(uint32_t editID, uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle, const tFont *Font, const char *text)
{
    if(TIidLast >= 9)
        return;

    TIident[TIid].maintype = FIELD_BUTTON;
    TIident[TIid].subtype  = FIELD_BUTTON;

    TIident[TIid].coord[0] = XleftGimpStyle;
    TIident[TIid].coord[1] = XrightGimpStyle;
    TIident[TIid].coord[2] = YtopGimpStyle;
    TIident[TIid].fontUsed = (tFont *)Font;
    TIident[TIid].callerID = editID;

    strncpy(TIident[TIid].orgText, text, 32);
    strncpy(TIident[TIid].newText, text, 32);
    TIident[TIid].orgText[31] = 0;
    TIident[TIid].newText[31] = 0;

    change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoButtonColor1);

    if(editID == 0)
        tInfo_write_content_without_Id();
    else
    {
        tInfo_write_content_of_actual_Id();
        TIidLast = TIid;
        TIid++;
    }
}


void tInfo_write_field_symbol(uint32_t editID, uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle, const tFont *Font, const char *text, uint8_t int1)
{
    if(TIidLast >= 9)
        return;

    TIident[TIid].maintype = FIELD_SYMBOL;
    TIident[TIid].subtype  = FIELD_SYMBOL;

    TIident[TIid].coord[0] = XleftGimpStyle;
    TIident[TIid].coord[1] = XrightGimpStyle;
    TIident[TIid].coord[2] = YtopGimpStyle;
    TIident[TIid].fontUsed = (tFont *)Font;
    TIident[TIid].callerID = editID;

    strncpy(TIident[TIid].orgText, text, 32);
    strncpy(TIident[TIid].newText, text, 32);
    TIident[TIid].orgText[31] = 0;

    TIident[TIid].newText[0] = text[0];
    TIident[TIid].newText[1] = 0;

    TIident[TIid].input = int1;
    TIident[TIid].symbolCounter = strlen(TIident[TIid].orgText);

    change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoButtonColor1);

    if(editID == 0)
        tInfo_write_content_without_Id();
    else
    {
        tInfo_write_content_of_actual_Id();
        TIidLast = TIid;
        TIid++;
    }
}


void tInfo_write_field_on_off(uint32_t editID, uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle, const tFont *Font, const char *text, uint8_t int1)
{
    if(TIidLast >= 9)
        return;

    TIident[TIid].maintype = FIELD_ON_OFF;
    TIident[TIid].subtype  = FIELD_ON_OFF;

    TIident[TIid].coord[0] = XleftGimpStyle;
    TIident[TIid].coord[1] = XrightGimpStyle;
    TIident[TIid].coord[2] = YtopGimpStyle;
    TIident[TIid].fontUsed = (tFont *)Font;
    TIident[TIid].callerID = editID;

    strncpy(TIident[TIid].orgText, text, 32);
    strncpy(TIident[TIid].newText, text, 32);
    TIident[TIid].orgText[31] = 0;
    TIident[TIid].newText[31] = 0;


    if(int1)
        change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoActive);
    else
        change_CLUT_entry((CLUT_InfoField0 + TIid), CLUT_InfoInActive);

    if(editID == 0)
        tInfo_write_content_without_Id();
    else
    {
        tInfo_write_content_of_actual_Id();
        TIidLast = TIid;
        TIid++;
    }
}


void tInfo_setEvent(uint32_t inputEventID, uint32_t inputFunctionCall)
{
    if(TIevidLast >= 9)
        return;

    /* set cursor to first field */
    if(TIevidLast < 0)
    {
        tI_startInfoFieldSelect();
    }

    TIevent[TIevid].callerID = inputEventID;
    TIevent[TIevid].pEventFunction = inputFunctionCall;

    TIevidLast = TIevid;
    TIevid++;
}


void tI_set_cursor(uint8_t forThisIdentID)
{
    int16_t x0, x1, y0, y1;

    uint32_t xtra_left_right = 10;
    uint32_t xtra_top_bottom = 10;

    /* y geht von 0 bis 799 */
    /* x geht von 0 bis 479 */

    x0 = (int16_t)TIident[forThisIdentID].coord[0];
    x1 = (int16_t)TIident[forThisIdentID].coord[1];
    y0 = (int16_t)TIident[forThisIdentID].coord[2];
    y1 = y0 + (int16_t)TIident[forThisIdentID].fontUsed->height;

    if(((int16_t)TIident[forThisIdentID].fontUsed->height) > 70)
    {
         xtra_left_right = 10;
         xtra_top_bottom = 10;
    }
    else
    {
         xtra_left_right = 10;
         xtra_top_bottom = 0;
    }

    x0 -= xtra_left_right;
    x1 += xtra_left_right;
    y0 -= xtra_top_bottom;
    y1 += xtra_top_bottom;

    GFX_SetWindowLayer0(tIcursor.FBStartAdress, x0, x1, y0, y1);
}


void tInfo_write_label_var(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font, const char *text)
{
    GFX_DrawCfgWindow	hgfx;

    if(XrightGimpStyle > 799)
        XrightGimpStyle = 799;
    if(XleftGimpStyle >= XrightGimpStyle)
        XleftGimpStyle = 0;
    if(YtopGimpStyle > 479)
        YtopGimpStyle = 479;
    hgfx.Image = &tIscreen;
    hgfx.WindowNumberOfTextLines = 1;
    hgfx.WindowLineSpacing = 0;
    hgfx.WindowTab = 0;
    hgfx.WindowX0 = XleftGimpStyle;
    hgfx.WindowX1 = XrightGimpStyle;
    hgfx.WindowY1 = 479 - YtopGimpStyle;
    if(hgfx.WindowY1 < Font->height)
        hgfx.WindowY0 = 0;
    else
        hgfx.WindowY0 = hgfx.WindowY1 - Font->height;

    GFX_write_label(Font, &hgfx, text, infoColor);
}


void tInfo_write_content(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font, const char *text, uint8_t color)
{
    GFX_DrawCfgWindow	hgfx;

    if(XrightGimpStyle > 799)
        XrightGimpStyle = 799;
    if(XleftGimpStyle >= XrightGimpStyle)
        XleftGimpStyle = 0;
    if(YtopGimpStyle > 479)
        YtopGimpStyle = 479;
    hgfx.Image = &tIscreen;
    hgfx.WindowNumberOfTextLines = 1;
    hgfx.WindowLineSpacing = 0;
    hgfx.WindowTab = 0;
    hgfx.WindowX0 = XleftGimpStyle;
    hgfx.WindowX1 = XrightGimpStyle;
    hgfx.WindowY1 = 479 - YtopGimpStyle;
    if(hgfx.WindowY1 < Font->height)
        hgfx.WindowY0 = 0;
    else
        hgfx.WindowY0 = hgfx.WindowY1 - Font->height;

    GFX_write_label(Font, &hgfx, text, color);
}


void tInfo_write_label_fix(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font, const char textId)
{
    char text[2];

    text[0] = textId;
    text[1] = 0;

    tInfo_write_label_var(XleftGimpStyle, XrightGimpStyle, YtopGimpStyle, Font, text);
}


void tI_clean_content(uint16_t XleftGimpStyle, uint16_t XrightGimpStyle, uint16_t YtopGimpStyle,  const tFont *Font)
{
    GFX_DrawCfgWindow	hgfx;

    if(XrightGimpStyle > 799)
        XrightGimpStyle = 799;
    if(XleftGimpStyle >= XrightGimpStyle)
        XleftGimpStyle = 0;
    if(YtopGimpStyle > 479)
        YtopGimpStyle = 479;
    hgfx.Image = &tIscreen;
    hgfx.WindowX0 = XleftGimpStyle;
    hgfx.WindowX1 = XrightGimpStyle;
    hgfx.WindowY1 = 479 - YtopGimpStyle;
    if(hgfx.WindowY1 < Font->height)
        hgfx.WindowY0 = 0;
    else
        hgfx.WindowY0 = hgfx.WindowY1 - Font->height;

    GFX_clear_window_immediately(&hgfx);
}


void tInfo_write_buttonTextline(GFX_DrawCfgScreen *screenPtr, uint8_t left2ByteCode, char middle2ByteCode, char right2ByteCode)
{
    GFX_clean_area(&tIscreen, 0, 800, 480-24,480);

    char localtext[32];

    if(left2ByteCode)
    {
        localtext[0] = TXT_2BYTE;
        localtext[1] = left2ByteCode;
        localtext[2] = 0;
        write_content_simple(screenPtr, 0, 800, 480-24, &FontT24,localtext,CLUT_ButtonSurfaceScreen);
    }

    if(middle2ByteCode)
    {
        localtext[0] = '\001';
        localtext[1] = TXT_2BYTE;
        localtext[2] = middle2ByteCode;
        localtext[3] = 0;
        write_content_simple(screenPtr, 0, 800, 480-24, &FontT24,localtext,CLUT_ButtonSurfaceScreen);
    }

    if(right2ByteCode)
    {
        localtext[0] = '\002';
        localtext[1] = TXT_2BYTE;
        localtext[2] = right2ByteCode;
        localtext[3] = 0;
        write_content_simple(screenPtr, 0, 800, 480-24, &FontT24,localtext,CLUT_ButtonSurfaceScreen);
    }
}