C++ InitDevice函数代码示例

//--------------------------------------------------------------------------------------
// Entry point to the program. Initializes everything and goes into a message processing 
// loop. Idle time is used to render the scene.
//--------------------------------------------------------------------------------------
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nCmdShow )
{
    UNREFERENCED_PARAMETER( hPrevInstance );
    UNREFERENCED_PARAMETER( lpCmdLine );

    if( FAILED( InitWindow( hInstance, nCmdShow ) ) )
        return 0;

    if( FAILED( InitDevice() ) )
    {
        CleanupDevice();
        return 0;
    }

    // Main message loop
    MSG msg = {0};
    while( WM_QUIT != msg.message )
    {
        if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
        {
            TranslateMessage( &msg );
            DispatchMessage( &msg );
        }
        else
        {
            Render();
        }
    }

    CleanupDevice();

    return ( int )msg.wParam;
}

	DirectX9Renderer::DirectX9Renderer(HWND	a_hWindow, D3DPRESENT_PARAMETERS d3dpp)
	{
		m_pD3D = NULL;
		m_pd3dDevice = NULL;
		m_hWindow = a_hWindow;
		InitDevice(d3dpp);
	}

gs_device::gs_device(gs_init_data *data)
	: curRenderTarget      (NULL),
	  curZStencilBuffer    (NULL),
	  curRenderSide        (0),
	  curIndexBuffer       (NULL),
	  curVertexBuffer      (NULL),
	  curVertexShader      (NULL),
	  curPixelShader       (NULL),
	  curSwapChain         (&defaultSwap),
	  zstencilStateChanged (true),
	  rasterStateChanged   (true),
	  blendStateChanged    (true),
	  curDepthStencilState (NULL),
	  curRasterState       (NULL),
	  curBlendState        (NULL),
	  curToplogy           (D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED)
{
	ComPtr<IDXGIAdapter1> adapter;

	matrix4_identity(&curProjMatrix);
	matrix4_identity(&curViewMatrix);
	matrix4_identity(&curViewProjMatrix);

	memset(&viewport, 0, sizeof(viewport));

	for (size_t i = 0; i < GS_MAX_TEXTURES; i++) {
		curTextures[i] = NULL;
		curSamplers[i] = NULL;
	}

	InitFactory(data->adapter, adapter.Assign());
	InitDevice(data, adapter);
	device_set_render_target(this, NULL, NULL);
}

HRESULT DxWidget::Init(TestQt* mainWin)
{
	HRESULT hrResult = E_FAIL;
	HRESULT hrRetCode = E_FAIL;

	m_pd3dDevice = NULL;
	m_pSwapChain = NULL;
	m_pRenderTargetView = NULL;
	m_pTechnique = NULL;
	m_pVertexLayout = NULL;
	m_pVertexBuffer = NULL;
	m_pEffect = NULL;
	m_pMainWin = mainWin;
	KE_PROCESS_ERROR(m_pMainWin);

	hrRetCode = InitDevice();
	KE_COM_PROCESS_ERROR(hrRetCode);

	QTimer *timer = new QTimer(this);
	KE_PROCESS_ERROR(timer);
	connect(timer, SIGNAL(timeout()), this, SLOT(update()));
	timer->start(20);

	hrResult = S_OK;
Exit0:
	return hrResult;
}

int MUCamSource::OnDevice( MM::PropertyBase* pProp, MM::ActionType eAct )
{
#ifdef _LOG_OUT_
    OutputDebugString("OnDevice");
#endif
    if (eAct == MM::AfterSet)
    {
        string strName;
        pProp->Get(strName);
        
        vector<string>::const_iterator begin = DevicesVec_.begin();
        vector<string>::const_iterator end = DevicesVec_.end();
        vector<string>::const_iterator it = find(begin, end, strName);
        vector<string>::difference_type idx = distance(begin, it);
        if (it != end && idx != currentCam_)
        {
            StopSequenceAcquisition();
            if (!OpenCamera(hCameras_[idx])) return DEVICE_ERR;
            currentCam_ = idx;// MIDP_GetCurCameraIndex();
            InitDevice();
        }
    }
    else if (eAct == MM::BeforeGet)
    {
        if(currentCam_ >= 0 && currentCam_ < cameraCnt_)
        {
            string strName = DevicesVec_[currentCam_];
            pProp->Set(strName.c_str());
        }
    }
    
    return DEVICE_OK;
}

PleoraVideo::PleoraVideo(Params& p): size_bytes(0), lPvSystem(0), lDevice(0), lStream(0), lDeviceParams(0), lStart(0), lStop(0),
    lTemperatureCelcius(0), getTemp(false), lStreamParams(0), validGrabbedBuffers(0)
{
    std::string sn;
    std::string mn;
    int index = 0;
    size_t buffer_count = PleoraVideo::DEFAULT_BUFFER_COUNT;
    Params device_params;

    for(Params::ParamMap::iterator it = p.params.begin(); it != p.params.end(); it++) {
        if(it->first == "model"){
            mn = it->second;
        } else if(it->first == "sn"){
            sn = it->second;
        } else if(it->first == "idx"){
            index = p.Get<int>("idx", 0);
        } else if(it->first == "buffers"){
            buffer_count = p.Get<size_t>("buffers", PleoraVideo::DEFAULT_BUFFER_COUNT);
        } else {
            device_params.Set(it->first, it->second);
        }
    }

    InitDevice(mn.empty() ? 0 : mn.c_str(), sn.empty() ? 0 : sn.c_str(), index);
    SetDeviceParams(device_params);
    InitStream();

    InitPangoStreams();
    InitBuffers(buffer_count);

    Start();
}

/**
 * Intializes the hardware.
 * Typically we access and initialize hardware at this point.
 * Device properties are typically created here as well.
 * Required by the MM::Device API.
 */
int MUCamSource::Initialize()
{
    if (!LoadFunctions())
        return DEVICE_ERR;
    if (initialized_)
        return DEVICE_OK;

    // set property list
    // -----------------
    FindMoticCameras();
    if(cameraCnt_ == 0)
    {
        return ERR_NO_CAMERAS_FOUND;
    }

    currentCam_ = 0;//MIDP_GetCurCameraIndex();
    int ret;
    CPropertyAction* pAct;
    if (!OpenCamera(hCameras_[currentCam_])) return DEVICE_ERR;
    char sName[Camera_Name_Len];
    GetMotiCamNAME(hCameras_[currentCam_], sName);
    //memcpy(sName, GetMotiCamNAME(hCameras_[currentCam_]), Camera_Name_Len);
    pAct = new CPropertyAction(this, &MUCamSource::OnDevice);
    ret = CreateProperty(g_Keyword_Cameras, sName, MM::String, true, pAct);
    ret = SetAllowedValues(g_Keyword_Cameras, DevicesVec_);
    assert(ret == DEVICE_OK);
    
    ret = InitDevice();
    if(ret == DEVICE_OK)
    {
        initialized_ = true;
    }

    return ret;
}

  //----------------------------------------------------------------------------
  bool MediaFoundationVideoDevice::SetupDevice(unsigned int streamIndex, unsigned int formatIndex)
  {  
    if(this->IsSetup)
    {
      LOG_ERROR("MediaFoundationVideoDevice::SetupDevice failed: device " << this->DeviceIndex << " is already set up");
      return false;
    }

    HRESULT hr = InitDevice();
    if(FAILED(hr))
    {
      LOG_ERROR("MediaFoundationVideoDevice::SetupDevice failed: device " << this->DeviceIndex << " interface IMFMediaSource cannot be retrieved");
      return false;
    }

    this->Width = this->CurrentFormats[streamIndex][formatIndex].width; 
    this->Height = this->CurrentFormats[streamIndex][formatIndex].height;
    this->FrameRate = this->CurrentFormats[streamIndex][formatIndex].MF_MT_FRAME_RATE;
    hr = SetDeviceFormat(this->Source, (DWORD)streamIndex, (DWORD) formatIndex);
    this->IsSetup = (SUCCEEDED(hr));
    if(this->IsSetup)
    {
      LOG_DEBUG("MediaFoundationVideoDevice::SetupDevice: device " << this->DeviceIndex << " device is setup");
    }
    this->PreviousParameters = GetParameters();
    this->ActiveType = formatIndex;
    return this->IsSetup;
  }

bool DX11::CreateWindow()
{
  static LPCWSTR AMJU_WINDOW_CLASS_NAME = L"MY_WINDOWS_CLASS";

  // Register class
  WNDCLASSEX wcex;
  wcex.cbSize = sizeof( WNDCLASSEX );
  wcex.style = CS_HREDRAW | CS_VREDRAW;
  wcex.lpfnWndProc = MyDefaultWndProc; // TODO you should supply your own
  wcex.cbClsExtra = 0;
  wcex.cbWndExtra = 0;
  wcex.hInstance = g_hInst; 
  wcex.hIcon = 0; 
  wcex.hCursor = LoadCursor( NULL, IDC_ARROW );
  wcex.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH); 
  wcex.lpszMenuName = NULL;
  wcex.lpszClassName = AMJU_WINDOW_CLASS_NAME; 
  wcex.hIconSm = 0; 
  if( !RegisterClassEx( &wcex ) )
      return false; 

  HWND hWnd = CreateWindowEx(
    NULL, 
    AMJU_WINDOW_CLASS_NAME, 
    L"DX Boiler", // TODO you should supply a window title
    WS_OVERLAPPEDWINDOW | WS_VISIBLE,		
    100, 
    100, 
    640, // TODO you should supply width 
    480, // ..and height 
    NULL, 
    NULL, 
    g_hInst, 
    NULL);
 
  if (!hWnd)
  {
    return false; 
  }

  ShowWindow(hWnd, SW_SHOW);
  UpdateWindow(hWnd);
  g_hWnd = hWnd;

  if (!m_input.Init(&g_hWnd))
  {
	  return false;
  }
 

  if (InitDevice() != S_OK)
  {
    return false;
  }

  return true;
}

void CComponentInputKeyboard::Init(CInputDevice* pcDevice, CComponentInput* pcComponentInput)
{
	CInputVirtualDevice*		pcVirtual;

	pcVirtual = pcDevice->CreateDefaultVirtualDeviceFromThis("Text Editor Input");
	InitDevice(pcVirtual, pcDevice, pcComponentInput);
	InitKeyboard(pcComponentInput->GetInput());
	pcVirtual->Enable();
}

bool COSSAudioSource::Init(void)
{
  bool rc = InitAudio(true);

  if (!rc) {
    return false;
  }

  if (!InitDevice()) {
    return false;
  }
  rc = SetAudioSrc(
                   PCMAUDIOFRAME,
                   m_channelsConfigured,
                   m_pConfig->GetIntegerValue(CONFIG_AUDIO_SAMPLE_RATE));

  if (!rc) {
    return false;
  }

  // for live capture we can match the source to the destination
  m_audioSrcSamplesPerFrame = m_audioDstSamplesPerFrame;
  m_pcmFrameSize = 
    m_audioSrcSamplesPerFrame * m_audioSrcChannels * sizeof(u_int16_t);

  if (m_audioOssMaxBufferSize > 0) {
    size_t array_size;
    m_audioOssMaxBufferFrames = m_audioOssMaxBufferSize / m_pcmFrameSize;
    if (m_audioOssMaxBufferFrames == 0) {
      m_audioOssMaxBufferFrames = 1;
    }
    array_size = m_audioOssMaxBufferFrames * sizeof(*m_timestampOverflowArray);
    m_timestampOverflowArray = (Timestamp *)Malloc(array_size);
    memset(m_timestampOverflowArray, 0, array_size);
  }
    
  m_pcmFrameBuffer = (u_int8_t*)malloc(m_pcmFrameSize);
  if (!m_pcmFrameBuffer) {
    goto init_failure;
  }

  // maximum number of passes in ProcessAudio, approx 1 sec.
  m_maxPasses = m_audioSrcSampleRate / m_audioSrcSamplesPerFrame;

  return true;

 init_failure:
  debug_message("audio initialization failed");

  free(m_pcmFrameBuffer);
  m_pcmFrameBuffer = NULL;

  close(m_audioDevice);
  m_audioDevice = -1;
  return false;
}

void main() {
     InitDevice();
     
     while(1){
         GetLuminosity();
         GetTemperatureHumidity();
         Uart1_Write_Text(&packet[0]);
         Delay_ms(20000); //20sec
     }
}

//--------------------------------------------------------------------------------------
// WinMain
//--------------------------------------------------------------------------------------
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nCmdShow )
{
	// デバッグ ヒープ マネージャによるメモリ割り当ての追跡方法を設定
	_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );

	//Oculus Riftの初期化
	if (InitOculusRift() == 1)
	{
		CleanupDevice();
		return 1;
	}

	//ウィンドウの作成
	if(!InitWindow( hInstance, nCmdShow ) )
	{
		CleanupDevice();
		return 1;
	}

	//DirectXの初期化
	if(FAILED(InitDevice()))
	{
		CleanupDevice();
		return 1;
	}

	// Oculusで使用するDirectXのオブジェクトを作成する
	if (FAILED(InitOculusRiftObjects(3U, HMD)))
	{
		CleanupDevice();
		return 1;
	}

	//メッセージループのメイン
	MSG msg = {0};
	while( WM_QUIT != msg.message )
	{
		if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
		{
			TranslateMessage( &msg );
			DispatchMessage( &msg );
		}
		else
		{
			//ここにメインループを書く
			Render();
		}
	}

	//終了処理
	CleanupDevice();

	return (int) msg.wParam;
}

int main(int argc, char *argv[])
{
	assert(argc == 2);
	char * outFileName = argv[1];
	FILE *outFile = fopen(outFileName, "w");
	
	
	int dtFlyPinitStatus = InitDevice(userIntHandler);
	assert(dtFlyPinitStatus == 0);	
	int status;
/*	
	uint32_t regData[1];
	uint32_t regAddress = 513;
	
	// Read, write, then read again register 0
	// ReadWriteConfigRegs(direction, registerNumber, registerDataBuffer, numberOfRegisters)
	status = ReadWriteConfigRegs(READ, regAddress, regData, 1);
	printf("Read status is %d, value is %08lx\n", status, regData[0]);

	regData[0] = 0x12345678;
	status = ReadWriteConfigRegs(WRITE, regAddress, regData, 1);
	printf("Write status is %d\n", status);

	status = ReadWriteConfigRegs(READ, regAddress, regData, 1);
	printf("Read status is %d, value is %08lx\n", status, regData[0]);

	*/
	
	/*
	 * Read and dump to file
	 */ 
	SBufferInit buffer;
	unsigned bufferIndex = 0;
	AllocateBuffer(bufferIndex, &buffer);
	
	for(int nReads = 0; nReads < 10; nReads += 1) {
		status = ReceiveDMAbyBufIndex(DMA1, bufferIndex, 1);
		if(status > 0) {
			uint64_t *wordBuffer = (uint64_t *)buffer.UserAddr;
			int nWords = status / sizeof(uint64_t);
			
			for(int i = 0; i < nWords; i++) {
				fprintf(outFile, "%016llx\n", wordBuffer[i]);
			}
		}
	}	
	ReleaseBuffer(bufferIndex);	
	
	
	
	ReleaseDevice();
	fclose(outFile);
	return 0;
}

/* It's the main function for the program, what more do you need to know? */
int main() {
    int16_t  Degrees = 0;
    uint8_t  SregSave;
    //int16_t  Correction = 0;

    Degrees = Degrees; //Because it's a warning otherwise, and I don't think I can get rid of it
    DataReady = FALSE;

    /* Setup the ATmega328p */
    InitDevice();

    /* Enable interrupts */
    sei();

    /* Wait till we get data */
    while(!DataReady);

    /* Main loop */
    while(TRUE) {
        /* If there is pending data, process it */
        if(DataReady) {
            SregSave = SREG; /* Preserve the status register */
            /* We want the data retrevial completely performed without interruptions */
            cli();
            //Hand off to a function

            Degrees = ProcessData();

            DataReady = FALSE;

            /* Restore the status register */
            SREG = SregSave;
        }

        //Currently not used, add in later once supplies are received
        /* Check to see if the calibration circuit is active, and if so, adjust
         * change the mode to calibration mode
         */
        //if(bit_is_clear(PORTD, PD4)) {
        /* Check to so see if there is a low signal from the calibration circuit */
        //Correction = Calibrate(Correction, Degrees);
        //} else {
        /* If we aren't calibrating, display the direction and such */
        LcdWriteString(HeadingString(Degrees), LCD_LINE_ONE);
        //}
        //Degrees += Correction;

        //LcdWriteString(("Degrees: %d", Degrees), LCD_LINE_TWO); //TODO fix this!
    }
    /* If this is ever called, I don't even know anymore */
    return 0;
}