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Buelmann: new implementation for ceiling Since my first functional fix in the ceiling computation in commit ceecabfddb57, I noticed that the computation used a linear search, that became rather computational expensive after that commit. The simple question is: why not a binary search? So, this commit implements the binary search. But there is a long story attached to this. Comparing ceiling results from hwOS and this OSTC4 code were very different. Basically, the original OSTC4 algorithm computed the ceiling using the same GFlow to GFhigh slope, in such a way, that the ceiling was in sync with the presented deco stops, where the hwOS code presents a GFhigh based ceiling. This said, it is more logical when the OSTC4 and hwOS code give similar results. This new recursive algorithm gives very similar results for the ceiling compared to hwOS. To be complete here, the Buelmann ceiling is the depth to which you can ascend, so that the leading tissue reaches GFhigh. This also explains why the deepest deco stop is normally deeper than the ceiling (unless one dives with GF like 80/80). The code implemented here is rather straightforward recursion. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Thu, 11 Apr 2019 17:48:48 +0200
parents b2a9e9b02df0
children 74a8296a2318
line wrap: on
line source

///////////////////////////////////////////////////////////////////////////////
/// -*- coding: UTF-8 -*-
///
/// \file   Discovery/Src/tHome.c
/// \brief  Control for Surface and Dive Templates
/// \author heinrichs weikamp gmbh
/// \date   10-November-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 "tHome.h"

#include "data_exchange_main.h" // for dataOutGetPointer()
#include "gfx_fonts.h"
#include "t3.h"
#include "t4_tetris.h"
#include "t5_gauge.h"
#include "t6_apnea.h"
#include "t7.h"
#include "tDebug.h"
#include "timer.h" // for timer_Stopwatch_Restart
#include "tMenu.h"
#include "tMenuEditGasOC.h" // for openEdit_DiveSelectBetterGas()
#include "tMenuEditSetpoint.h" // for openEdit_DiveSelectBetterSetpoint()
#include "simulation.h"

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

/* Exported variables --------------------------------------------------------*/
_Bool warning_count_high_time = 0;
_Bool display_count_high_time = 0;

uint8_t errorsInSettings = 0;
/* Private variables ---------------------------------------------------------*/
static uint8_t warning_toogle_count;
static uint16_t display_toogle_count;
static uint16_t tHome_tick_count_cview;
static uint16_t tHome_tick_count_field;

const uint8_t cv_changelist[6] = {CVIEW_Compass, CVIEW_SummaryOfLeftCorner, CVIEW_Tissues, CVIEW_Profile, CVIEW_EADTime, CVIEW_Gaslist};

/* Private function prototypes -----------------------------------------------*/

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

void set_globalState_tHome(void)
{
    if(stateUsed->mode == MODE_DIVE)
        set_globalState(StD);
    else
        set_globalState(StS);
}


void switch_to_SimData_tHome(void)
{
    set_stateUsedToSim();
}


void switch_to_RealData_tHome(void)
{
    set_stateUsedToReal();
}


void tHome_init(void)
{
    t7_init(); // standard + surface
    t3_init(); // big font
    t4_init(); // game
    t5_init(); // gauge
    t6_init(); // apnea
}


void tHome_init_compass(void)
{
    init_t7_compass();
}


void tHome_refresh(void)
{
    SSettings* pSettings = settingsGetPointer();

    warning_toogle_count++;
    if(warning_toogle_count >= 2* pSettings->warning_blink_dsec)
        warning_toogle_count = 0;

    if(warning_toogle_count >= pSettings->warning_blink_dsec)
        warning_count_high_time = 1;
    else
        warning_count_high_time = 0;


    display_toogle_count++;
    if(display_toogle_count >= 2* pSettings->display_toogle_desc)
        display_toogle_count = 0;

    if(display_toogle_count >= pSettings->display_toogle_desc)
        display_count_high_time = 1;
    else
        display_count_high_time = 0;


    if(pSettings->design == 6)
        t6_refresh();
    else
    if(pSettings->design == 5)
        t5_refresh();
    else
    if(pSettings->design == 4)
        t4_refresh();
    else
    if(pSettings->design == 3)
        t3_refresh();
    else
    if(pSettings->design == 7)
        t7_refresh();
    else
    {
        pSettings->design = 7;
        t7_refresh();
    }
}


void tHome_sleepmode_fun(void)
{
    t7_refresh_sleepmode_fun();
}


void tHomeDiveMenuControl(uint8_t sendAction)
{
    if(sendAction == ACTION_BUTTON_NEXT)
    {
        if(settingsGetPointer()->design == 4)
            return;

        if(settingsGetPointer()->design == 3)
            settingsGetPointer()->design = 7;

        switch(get_globalState())
        {
        case StD:
            if(settingsGetPointer()->design == 6)
            {
                if(is_stateUsedSetToSim())
                    set_globalState(StDSIM1);
                else
                    set_globalState(StDQUIT);
                break;
            }

            if(settingsGetPointer()->design == 5)
            {
                if(t5_getCustomView() == CVIEW_Compass)
                    set_globalState(StDBEAR);
                else
                    set_globalState(StDRAVG);
                break;
            }

            if(stateUsed->warnings.betterGas)
                set_globalState(StDMGAS);
            else
            if(stateUsed->warnings.betterSetpoint)
                set_globalState(StDMSPT);
            else
                set_globalState(StDMENU);
            break;

        case StDMGAS:
            if(stateUsed->warnings.betterSetpoint)
                set_globalState(StDMSPT);
            else
                set_globalState(StDMENU);
            break;

        case StDMSPT:
                set_globalState(StDMENU);
            break;

        case StDMENU:
            if(is_stateUsedSetToSim())
                set_globalState(StDSIM1);
            else
                set_globalState(StD);
            break;

        case StDSIM1:
                set_globalState(StDSIM2);
            break;

        case StDSIM2:
                set_globalState(StDSIM3);
            break;

        case StDSIM3:
                set_globalState(StDSIM4);
            break;

        case StDSIM4:
                set_globalState(StD);
            break;

        case StDBEAR: // t5_gauge
            set_globalState(StDRAVG);
            break;

        case StDRAVG: // t5_gauge
            if(is_stateUsedSetToSim())
                set_globalState(StDSIM1);
            else
                set_globalState(StD);
            break;

        case StDQUIT: // t6_apnea
            set_globalState(StD);
            break;

        default:
            set_globalState(StD);
        }
    }

    if(sendAction == ACTION_BUTTON_ENTER)
    {
        if(settingsGetPointer()->design == 4)
            return;

        if(settingsGetPointer()->design == 3)
            settingsGetPointer()->design = 7;

        switch(get_globalState())
        {
        case StDMGAS:
            openEdit_DiveSelectBetterGas();
            set_globalState(StD);
            break;
        case StDMSPT:
            openEdit_DiveSelectBetterSetpoint();
            set_globalState(StD);
            break;

        case StDMENU:
            openMenu_first_page_with_OC_gas_update();
            break;

        case StDSIM1:
                Sim_Quit();
            break;

        case StDSIM2:
                Sim_Ascend();
            break;

        case StDSIM3:
                Sim_Descend();
            break;

        case StDSIM4:
                Sim_Divetime();
            break;

        case StDBEAR: // t5_gauge
            if(is_stateUsedSetToSim())
                stateSimGetPointerWrite()->diveSettings.compassHeading = (uint16_t)stateUsed->lifeData.compass_heading;
            else
                stateRealGetPointerWrite()->diveSettings.compassHeading = (uint16_t)stateUsed->lifeData.compass_heading;
            set_globalState(StD);
            break;

        case StDRAVG: // t5_gauge
            timer_Stopwatch_Restart();
            set_globalState(StD);
            break;

        case StDQUIT: // t6_apnea
            set_globalState(StD); // used to end StDQUIT, is called before everything else because changes are made in the next lines
            if(is_stateUsedSetToSim())
                Sim_Quit();
            else
                dataOutGetPointer()->setEndDive = 1;
            break;

        default:
            break;
        }
    }
}


void tHome_findNextStop(const uint16_t *list, uint8_t *depthOutMeter, uint16_t *lengthOutSeconds)
{
    uint8_t ptr = DECOINFO_STRUCT_MAX_STOPS - 1;

    while(ptr && !list[ptr])
        ptr--;

    *lengthOutSeconds = list[ptr];
    if(!(*lengthOutSeconds))
    {
        *depthOutMeter = 0;
    }
    else
    if(ptr == 0)
    {
        *depthOutMeter = (uint8_t)((stateUsed->diveSettings.last_stop_depth_bar*10.0f) + 0.1f);
    }
    else
    {
        ptr -= 1;
        *depthOutMeter = (uint8_t)(((stateUsed->diveSettings.input_second_to_last_stop_depth_bar + (stateUsed->diveSettings.input_next_stop_increment_depth_bar * ptr))*10.0f) + 0.1f);
    }
}


void tHome_change_field_button_pressed(void)
{
    tHome_tick_count_field = 0;
    if(settingsGetPointer()->design == 7)
        t7_change_field();
}


void tHome_change_customview_button_pressed(void)
{
    tHome_tick_count_cview = 0;
    if(settingsGetPointer()->design == 7)
        t7_change_customview();
    else
    if(settingsGetPointer()->design == 3)
        t3_change_customview();
    else
    if(settingsGetPointer()->design == 5)
        t5_change_customview();
    else
    if(settingsGetPointer()->design == 6)
        t6_change_customview();
}


void tHome_tick(void)
{
    uint16_t field = settingsGetPointer()->tX_userselectedLeftLowerCornerTimeout;
    uint16_t cview = settingsGetPointer()->tX_customViewTimeout;

    if(field)
    {
        tHome_tick_count_field++;
        if(tHome_tick_count_field > (field * 10))
        {
            tHome_tick_count_field = 0;
            if(settingsGetPointer()->design == 7)
            {
                t7_set_field_to_primary();
            }
        }
    }

    if(cview)
    {
        tHome_tick_count_cview++;
        if(tHome_tick_count_cview > (cview *10))
        {
            tHome_tick_count_cview = 0;
            if(settingsGetPointer()->design == 7)
            {
                t7_set_customview_to_primary();
            }
        }
    }
}


uint32_t tHome_DateCode(RTC_DateTypeDef *dateInput)
{
    uint32_t answer = 0;

    answer = 0;
    answer += (dateInput->Year & 0x7F)<< 9;
    answer += (dateInput->Month & 0x0F)<< 5;
    answer += (dateInput->Date & 0x1F);

    return answer;
}


uint8_t tHome_gas_writer(uint8_t oxygen_percentage, uint8_t helium_percentage, char *text)
{
    if(oxygen_percentage == 100)
        return (uint8_t) snprintf(text,10,"Oxy");
    else if((oxygen_percentage == 21) && (!helium_percentage))
        return (uint8_t) snprintf(text,10,"Air");
    else if(!helium_percentage)
        return (uint8_t) snprintf(text,10,"NX%02i",oxygen_percentage);
    else if((oxygen_percentage + helium_percentage) == 100)
        return (uint8_t) snprintf(text,10,"HX%02i",oxygen_percentage);
    else
        return (uint8_t) snprintf(text,10,"%02i/%02i",oxygen_percentage,helium_percentage);
}

uint8_t tHome_show_lost_connection_count(GFX_DrawCfgScreen *ScreenToWriteOn)
{
	static uint8_t LastKnowRTEState = SPI_RX_STATE_INVALID;

	if(!SPI_MIN_ERROR_SHOW) return 0;
	if(DataEX_lost_connection_count()>=SPI_MIN_ERROR_SHOW && SPI_SHOW_SYNC_STATS){

    char text[64];

    SDataExchangeSlaveToMaster* dataIn=get_dataInPointer();
    SDataReceiveFromMaster* pDataOut = dataOutGetPointer();

    snprintf(text,32,"spi err:\002 %i/%i",DataEX_lost_connection_count(),get_num_SPI_CALLBACKS());
    Gfx_write_label_var(ScreenToWriteOn,  100,300, 0,&FontT24,CLUT_ButtonSymbols,text);

//    snprintf(text,32,"header:\002%X%X%X%X",dataIn->header.checkCode[0],dataIn->header.checkCode[1],dataIn->header.checkCode[2],dataIn->header.checkCode[3]);
//    Gfx_write_label_var(ScreenToWriteOn,  350,550, 0,&FontT24,CLUT_ButtonSymbols,text);

    //snprintf(text,32,"footer:\002%X%X%X%X",dataIn->footer.checkCode[0],dataIn->footer.checkCode[1],dataIn->footer.checkCode[2],dataIn->footer.checkCode[3]);

    /* data shifted => ignore received data */
    if((pDataOut->header.checkCode[SPI_HEADER_INDEX_RX_STATE] == SPI_RX_STATE_SHIFTED) || (pDataOut->header.checkCode[SPI_HEADER_INDEX_RX_STATE] == SPI_RX_STATE_OFFLINE))
    {
    	dataIn->header.checkCode[SPI_HEADER_INDEX_RX_STATE] = LastKnowRTEState;
    }
    else
    {
    	LastKnowRTEState =dataIn->header.checkCode[SPI_HEADER_INDEX_RX_STATE];
    }
    snprintf(text,32,"RX State M|R:\002%X|%X",pDataOut->header.checkCode[SPI_HEADER_INDEX_RX_STATE], dataIn->header.checkCode[SPI_HEADER_INDEX_RX_STATE] );
    Gfx_write_label_var(ScreenToWriteOn,  600,800, 0,&FontT24,CLUT_ButtonSymbols,text);
    }



//    snprintf(text,32,"cpt:\002%i",get_num_SPI_CALLBACKS());
//    Gfx_write_label_var(ScreenToWriteOn,  600,800, 90,&FontT24,CLUT_ButtonSymbols,text);

//    snprintf(text,10,"i2c:\002%i",get_DataEX_Error_place());
//    Gfx_write_label_var(ScreenToWriteOn,  600,800, 90,&FontT24,CLUT_ButtonSymbols,text);

    return DataEX_lost_connection_count();
}