C++ platformInit函数代码示例

int main()
{
    systemInit();
    platformInit();

    delay_ms(100);

    DEBUG_PRINT("init successfully\n");

    while(1){

        uint32_t systick = timerGetRun();

        mpu9150Get();

        // result = dmp_read_quat(quat, &more);
        // result = mpu_get_compass_reg(compass,&sensor_timestamp);

        while(timerGetRun() < systick + 49)
        {
            
        }

        sbn1HandleReceived();

    }
}

Overlay::Overlay() : QObject() {
	d = NULL;

	platformInit();
	forceSettings();

	qlsServer = new QLocalServer(this);
	QString pipepath;
#ifdef Q_OS_WIN
	pipepath = QLatin1String("MumbleOverlayPipe");
#else
	pipepath = QDir::home().absoluteFilePath(QLatin1String(".MumbleOverlayPipe"));
	{
		QFile f(pipepath);
		if (f.exists()) {
			qWarning() << "Overlay: Removing old socket on" << pipepath;
			f.remove();
		}
	}
#endif

	if (! qlsServer->listen(pipepath)) {
		QMessageBox::warning(NULL, QLatin1String("Mumble"), tr("Failed to create communication with overlay at %2: %1. No overlay will be available.").arg(Qt::escape(qlsServer->errorString()), Qt::escape(pipepath)), QMessageBox::Ok, QMessageBox::NoButton);
	} else {
		qWarning() << "Overlay: Listening on" << qlsServer->fullServerName();
		connect(qlsServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
	}

	QMetaObject::connectSlotsByName(this);
}

int main() 
{
  //Initialize the platform.
  int err = platformInit();
  if (err != 0) {
    // The firmware is running on the wrong hardware. Halt
    while(1);
  }

  //Launch the system task that will initialize and start everything
  systemLaunch();

  //Start the FreeRTOS scheduler
  vTaskStartScheduler();

  //TODO: Move to platform launch failed
  ledInit();
  ledSet(0, 1);
  ledSet(1, 1);

  //Should never reach this point!
  while(1);

  return 0;
}

SenseClient::SenseClient()
  : m_loader_init_complete(false), m_new_width(800), m_new_height(600), m_width(800), m_height(600)
{
  m_manager = new EntityManager;

  platformInit();
  m_pipeline = new Pipeline;
  if(!Loader::isThreaded()) {
    platformInitLoader();
    m_loader = m_pipeline->createLoader();
  }
  platformDetachContext(); // Some platforms (notably X11 with OpenGL) require contexts be unbound before sharing resources
  m_loader_thread = boost::thread(std::mem_fun(&SenseClient::runLoaderThread), this);
  while(!m_loader_init_complete) {}
  platformAttachContext();
  if(!loader_error_string.empty()) {
    m_loader_thread.join();
    delete m_pipeline;
    platformFinish();
    throw std::runtime_error(loader_error_string.c_str());
  }

  framebuffer = m_pipeline->createRenderTarget(width(), height(), false);
  m_pipeline->setViewport(width(), height());

  setupPythonModule();

  readScriptsDir("../data/materials", ".smtl");
  readScriptsDir("../data/definitions", ".sdef");

  m_pipeline->loadPipelineData(m_datamgr);
  m_test_ent = m_manager->createEntity("dummy");
};

int main(void) {
   volatile unsigned int initFlg = 1;
   platformInit();
   static char  buf[512];
   static char  fmmirrorbuf[512];
   for(int i=0;i < sizeof buf; i++){
      buf[i] = i;
   }


////////////////////////////////////////////
//dmtimerInitForMatch(MODULE_ID_TIMER3,0xffffffff-0x7ffffff,(0xffffffff-0x7ffffff/2),DMTIMER_FLAG_INTENABLE_MATCH);

//////////////////////////////////////////////////////
/*   spiFmromInit(fmmirrorbuf, sizeof fmmirrorbuf);
   spiFmromRead(0, buf, 1);
   spiFmromWren();
   delay(500);
   spiFmromWrite(0, buf, sizeof buf); 
   delay(500);
   spiFmromRead(0, buf, sizeof buf);
   while (1);*/
   moduleEnable(MODULE_ID_GPIO0);
   LCDRasterStart();    //lcd
   LCDBackLightON();
   MMCSDP_CtrlInfoInit(&mmcsdctr[0], MODULE_ID_MMCSD0, 48000000, MMCSD_BUSWIDTH_4BIT, 0,
                       &card0, NULL, NULL, NULL);
   MMCSDP_CtrlInit(&mmcsdctr[0]);
   MMCSDP_CardInit(&mmcsdctr[0], MMCSD_CARD_AUTO);
   TouchCalibrate(0);
   static FATFS inandfs;
   f_mount(0, &inandfs);
   initFont(FONT_LOAD_ADDR);
   drawText();
}

SimpleFontData::SimpleFontData(const FontPlatformData& f, bool customFont, bool loading, SVGFontData* svgFontData)
    : m_maxCharWidth(-1)
    , m_avgCharWidth(-1)
    , m_unitsPerEm(defaultUnitsPerEm)
    , m_platformData(f)
    , m_treatAsFixedPitch(false)
#if ENABLE(SVG_FONTS)
    , m_svgFontData(svgFontData)
#endif
    , m_isCustomFont(customFont)
    , m_isLoading(loading)
    , m_smallCapsFontData(0)
#if (PLATFORM(WKC))
    , m_lineSpacing(0)
#endif
{
#if !ENABLE(SVG_FONTS)
    UNUSED_PARAM(svgFontData);
#else
    if (SVGFontFaceElement* svgFontFaceElement = svgFontData ? svgFontData->svgFontFaceElement() : 0) {
        m_unitsPerEm = svgFontFaceElement->unitsPerEm();

        double scale = f.size();
        if (m_unitsPerEm)
            scale /= m_unitsPerEm;

        m_ascent = static_cast<int>(svgFontFaceElement->ascent() * scale);
        m_descent = static_cast<int>(svgFontFaceElement->descent() * scale);
        m_xHeight = static_cast<int>(svgFontFaceElement->xHeight() * scale);
        m_lineGap = 0.1f * f.size();
        m_lineSpacing = m_ascent + m_descent + m_lineGap;

        SVGFontElement* associatedFontElement = svgFontFaceElement->associatedFontElement();

        Vector<SVGGlyphIdentifier> spaceGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String(" ", 1), spaceGlyphs);
        m_spaceWidth = spaceGlyphs.isEmpty() ? m_xHeight : static_cast<float>(spaceGlyphs.first().horizontalAdvanceX * scale);

        Vector<SVGGlyphIdentifier> numeralZeroGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String("0", 1), numeralZeroGlyphs);
        m_avgCharWidth = numeralZeroGlyphs.isEmpty() ? m_spaceWidth : static_cast<float>(numeralZeroGlyphs.first().horizontalAdvanceX * scale);

        Vector<SVGGlyphIdentifier> letterWGlyphs;
        associatedFontElement->getGlyphIdentifiersForString(String("W", 1), letterWGlyphs);
        m_maxCharWidth = letterWGlyphs.isEmpty() ? m_ascent : static_cast<float>(letterWGlyphs.first().horizontalAdvanceX * scale);

        // FIXME: is there a way we can get the space glyph from the SVGGlyphIdentifier above?
        m_spaceGlyph = 0;
        determinePitch();
        m_adjustedSpaceWidth = roundf(m_spaceWidth);
        m_missingGlyphData.fontData = this;
        m_missingGlyphData.glyph = 0;
        return;
    }
#endif

    platformInit();
    platformGlyphInit();
    platformCharWidthInit();
}

SpikeHw::SpikeHw(IrqCallback callback)
    : request(0), indication(0), dmaManager(0), didReset(false)
{
    request = new SpikeHwRequestProxy(IfcNames_SpikeHwRequestS2H);
    indication = new SpikeHwIndication(IfcNames_SpikeHwIndicationH2S, callback);
    dmaManager = platformInit();
    request->setFlashParameters(100);
}

int main(int argc, const char **argv)
{
    int test_result = 0;
    int srcAlloc;
    unsigned int *srcBuffer = 0;

    fprintf(stderr, "Main::%s %s\n", __DATE__, __TIME__);
    DmaManager *dma = platformInit();
    ReadTestRequestProxy *device = new ReadTestRequestProxy(IfcNames_ReadTestRequestS2H,TILE_NUMBER);
    ReadTestIndication memReadIndication(IfcNames_ReadTestIndicationH2S,TILE_NUMBER);

    fprintf(stderr, "Main::allocating memory...\n");
    srcAlloc = portalAlloc(alloc_sz, 0);
    srcBuffer = (unsigned int *)portalMmap(srcAlloc, alloc_sz);
    for (int i = 0; i < numWords; i++)
        srcBuffer[i] = i;
    portalCacheFlush(srcAlloc, srcBuffer, alloc_sz, 1);
    fprintf(stderr, "Main::flush and invalidate complete\n");

    /* Test 1: check that match is ok */
    unsigned int ref_srcAlloc = dma->reference(srcAlloc);
    fprintf(stderr, "ref_srcAlloc=%d\n", ref_srcAlloc);
    fprintf(stderr, "Main::orig_test read numWords=%d burstLen=%d iterCnt=%d\n", numWords, burstLen, iterCnt);
    portalTimerStart(0);
    device->startRead(ref_srcAlloc, numWords * 4, burstLen * 4, iterCnt);
    sem_wait(&test_sem);
    if (mismatchCount) {
        fprintf(stderr, "Main::first test failed to match %d.\n", mismatchCount);
        test_result++;     // failed
    }
    platformStatistics();

    /* Test 2: check that mismatch is detected */
    srcBuffer[0] = -1;
    srcBuffer[numWords/2] = -1;
    srcBuffer[numWords-1] = -1;
    portalCacheFlush(srcAlloc, srcBuffer, alloc_sz, 1);

    fprintf(stderr, "Starting second read, mismatches expected\n");
    mismatchCount = 0;
    device->startRead(ref_srcAlloc, numWords * 4, burstLen * 4, iterCnt);
    sem_wait(&test_sem);
    if (mismatchCount != 3/*number of errors introduced above*/ * iterCnt) {
        fprintf(stderr, "Main::second test failed to match mismatchCount=%d (expected %d) iterCnt=%d numWords=%d.\n",
            mismatchCount, 3*iterCnt,
            iterCnt, numWords);
        test_result++;     // failed
    }
#if 0
    MonkitFile pmf("perf.monkit");
    pmf.setHwCycles(cycles)
        .setReadBwUtil(read_util)
        .writeFile();
#endif
    return test_result;
}

/*
 * Initializes the game, if there are no problems returns GAME_ERROR_NONE.
 */
int gameInit(StcGame *game) {
    int errorCode;

    errorCode = platformInit(game);
    if (errorCode == GAME_ERROR_NONE) {
        startGame(game);
        return GAME_ERROR_NONE;
    }
    return errorCode;
};

void commonInit(void)
{
	platformInit();
	timerInit();
	GPIOInit();
	USB_UserInit();

  	debug_frmwrk_init_clk(CLKFREQ);
	lpc_printf("M4 start\n");
}

bool OWindow::init()
{
    if (!platformInit()) {
        OErrLog("Platform initialization failed !");
        return false;
    }

    ODirector::director()->setFrameSize(m_Width, m_Height);
    ODirector::director()->loadGame();

    return true;
}

Gradient::Gradient(const FloatPoint& p0, float r0, const FloatPoint& p1, float r1)
    : m_radial(true)
    , m_p0(p0)
    , m_p1(p1)
    , m_r0(r0)
    , m_r1(r1)
    , m_stopsSorted(false)
    , m_lastStop(0)
    , m_spreadMethod(SpreadMethodPad)
{
    platformInit();
}

Font::Font(const FontPlatformData& platformData, bool isCustomFont, bool isLoading, bool isTextOrientationFallback)
    : Font(platformData, std::unique_ptr<SVGData>(), isCustomFont, isLoading, isTextOrientationFallback)
{
    platformInit();
    platformGlyphInit();
    platformCharWidthInit();
#if ENABLE(OPENTYPE_VERTICAL)
    if (platformData.orientation() == Vertical && !isTextOrientationFallback) {
        m_verticalData = platformData.verticalData();
        m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVerticalMetrics();
    }
#endif
}

RenderThemeGtk::RenderThemeGtk()
    : m_panelColor(Color::white)
    , m_sliderColor(Color::white)
    , m_sliderThumbColor(Color::white)
    , m_mediaIconSize(16)
    , m_mediaSliderHeight(14)
{
    platformInit();
#if ENABLE(VIDEO)
    initMediaColors();
    initMediaButtons();
#endif
}

Gradient::Gradient(const FloatPoint& p0, const FloatPoint& p1)
    : m_radial(false)
    , m_p0(p0)
    , m_p1(p1)
    , m_r0(0)
    , m_r1(0)
    , m_aspectRatio(1)
    , m_stopsSorted(false)
    , m_lastStop(0)
    , m_spreadMethod(SpreadMethodPad)
{
    platformInit();
}