【STM32H7S78-DK】 四 下载失败问题及解决、计数器实现及分析

/*********************************************************************************/
/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
/*********************************************************************************/
#ifndef MAINVIEWBASE_HPP
#define MAINVIEWBASE_HPP

#include <gui/common/FrontendApplication.hpp>
#include <mvp/View.hpp>
#include <gui/main_screen/MainPresenter.hpp>
#include <touchgfx/widgets/Box.hpp>
#include <touchgfx/widgets/Image.hpp>
#include <touchgfx/widgets/TextAreaWithWildcard.hpp>
#include <touchgfx/widgets/Button.hpp>

class MainViewBase : public touchgfx::View<MainPresenter>
{
public:
    MainViewBase();
    virtual ~MainViewBase();
    virtual void setupScreen();

    /*
     * Virtual Action Handlers
     */
    virtual void increaseValue()
    {
        // Override and implement this function in Main
    }
    virtual void decreaseValue()
    {
        // Override and implement this function in Main
    }

protected:
    FrontendApplication& application() {
        return *static_cast<FrontendApplication*>(touchgfx::Application::getInstance());
    }

    /*
     * Member Declarations
     */
    touchgfx::Box __background;
    touchgfx::Image backgroundImage;
    touchgfx::Image counterBackgroundImage;
    touchgfx::TextAreaWithOneWildcard countTxt;
    touchgfx::Button buttonUp;
    touchgfx::Button buttonDown;

    /*
     * Wildcard Buffers
     */
    static const uint16_t COUNTTXT_SIZE = 5;
    touchgfx::Unicode::UnicodeChar countTxtBuffer[COUNTTXT_SIZE];

private:

    /*
     * Callback Declarations
     */
    touchgfx::Callback<MainViewBase, const touchgfx::AbstractButton&> buttonCallback;

    /*
     * Callback Handler Declarations
     */
    void buttonCallbackHandler(const touchgfx::AbstractButton& src);

};

#endif // MAINVIEWBASE_HPP

MainViewBase.cpp

/*********************************************************************************/
/********** THIS FILE IS GENERATED BY TOUCHGFX DESIGNER, DO NOT MODIFY ***********/
/*********************************************************************************/
#include <gui_generated/main_screen/MainViewBase.hpp>
#include <touchgfx/Color.hpp>
#include <images/BitmapDatabase.hpp>
#include <texts/TextKeysAndLanguages.hpp>

MainViewBase::MainViewBase() :
    buttonCallback(this, &MainViewBase::buttonCallbackHandler)
{
    __background.setPosition(0, 0, 800, 480);
    __background.setColor(touchgfx::Color::getColorFromRGB(0, 0, 0));
    add(__background);

    backgroundImage.setXY(150, 120);
    backgroundImage.setBitmap(touchgfx::Bitmap(BITMAP_BG_ID));
    add(backgroundImage);

    counterBackgroundImage.setXY(400, 152);
    counterBackgroundImage.setBitmap(touchgfx::Bitmap(BITMAP_COUNTER_BOX_ID));
    add(counterBackgroundImage);

    countTxt.setPosition(316, 189, 302, 104);
    countTxt.setColor(touchgfx::Color::getColorFromRGB(255, 255, 255));
    countTxt.setLinespacing(4);
    Unicode::snprintf(countTxtBuffer, COUNTTXT_SIZE, "%s", touchgfx::TypedText(T___SINGLEUSE_XERM).getText());
    countTxt.setWildcard(countTxtBuffer);
    countTxt.setTypedText(touchgfx::TypedText(T_TEXTID1));
    add(countTxt);

    buttonUp.setXY(169, 173);
    buttonUp.setBitmaps(touchgfx::Bitmap(BITMAP_UP_BTN_ID), touchgfx::Bitmap(BITMAP_UP_BTN_PRESSED_ID));
    buttonUp.setAction(buttonCallback);
    add(buttonUp);

    buttonDown.setXY(169, 265);
    buttonDown.setBitmaps(touchgfx::Bitmap(BITMAP_DOWN_BTN_ID), touchgfx::Bitmap(BITMAP_DOWN_BTN_PRESSED_ID));
    buttonDown.setAction(buttonCallback);
    add(buttonDown);
}

MainViewBase::~MainViewBase()
{

}

void MainViewBase::setupScreen()
{

}

void MainViewBase::buttonCallbackHandler(const touchgfx::AbstractButton& src)
{
    if (&src == &buttonUp)
    {
        //IncreaseValue
        //When buttonUp clicked call virtual function
        //Call increaseValue
        increaseValue();
    }
    if (&src == &buttonDown)
    {
        //DecreaseValue
        //When buttonDown clicked call virtual function
        //Call decreaseValue
        decreaseValue();
    }
}

#ifndef MAIN_VIEW_HPP
#define MAIN_VIEW_HPP

#include <gui_generated/main_screen/MainViewBase.hpp>
#include <gui/main_screen/MainPresenter.hpp>

class MainView : public MainViewBase
{
public:
    MainView();
    ~MainView() {};
    virtual void setupScreen();
    virtual void increaseValue();
    virtual void decreaseValue();

    void updateGFXElements();
protected:

private:
    uint32_t count;
};

#endif // MAIN_VIEW_HPP

MainView.cpp:

#include <gui/main_screen/MainView.hpp>
#include "BitmapDatabase.hpp"

const uint32_t UPPER_LIMIT = 9999;
const uint32_t LOWER_LIMIT = 0;


MainView::MainView() : count(0) {}

void MainView::setupScreen()
{
    updateGFXElements();
}

void MainView::increaseValue()
{
    count = (count++ > UPPER_LIMIT) ? UPPER_LIMIT : count;
    updateGFXElements();
}

void MainView::decreaseValue()
{
    count = (count-- <= LOWER_LIMIT) ? LOWER_LIMIT : count;
    updateGFXElements();
}

void MainView::updateGFXElements()
{
    //Counter text area GFX uptade.
    Unicode::snprintf(countTxtBuffer, 5, "%d", count);
    //Button GFX update and touchable.
    if (count < UPPER_LIMIT)
    {
        buttonUp.setBitmaps(Bitmap(BITMAP_UP_BTN_ID), Bitmap(BITMAP_UP_BTN_PRESSED_ID));
        buttonUp.setTouchable(true);
    }
    else
    {
        buttonUp.setBitmaps(Bitmap(BITMAP_UP_BTN_DISABLED_ID), Bitmap(BITMAP_UP_BTN_DISABLED_ID));
        buttonUp.setTouchable(false);
    }
    if (count > LOWER_LIMIT)
    {
        buttonDown.setBitmaps(Bitmap(BITMAP_DOWN_BTN_ID), Bitmap(BITMAP_DOWN_BTN_PRESSED_ID));
        buttonDown.setTouchable(true);
    }
    else
    {
        buttonDown.setBitmaps(Bitmap(BITMAP_DOWN_BTN_DISABLED_ID), Bitmap(BITMAP_DOWN_BTN_DISABLED_ID));
        buttonDown.setTouchable(false);
    }
    // Invalidate all GFX area, which will result in it being redrawn in next tick.
    countTxt.invalidate();
    buttonUp.invalidate();
    buttonDown.invalidate();
}