spectrdevice.cpp

测试USB驱动程序的应用程序代码

// SpectrDevice.cpp: implementation of the SpectrDevice class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "DriverTestA.h"
#include "SpectrDevice.h"
#include "winioctl.h"
#include "devintf.h"
#include "setupapi.h"
#include "intrface.h"
//#include "test1ioctl.h"

#include "Test1DeviceInterface.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif


HANDLE OpenByInterface(GUID* pClassGuid, DWORD instance, PDWORD pError);
GUID ClassGuid = GUID_DEVINTERFACE_D12USB;



//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

SpectrDevice::SpectrDevice()
{

}

SpectrDevice::~SpectrDevice()
{

}




DWORD SpectrDevice::InitDevice()
{
	DWORD	dError = 0;
	hDevice = OpenByInterface( &ClassGuid, 0, &dError);

	
	if (hDevice == INVALID_HANDLE_VALUE)
	{
		CString error;
		error.Format("设备不可用，错误号(%d)，请重新连接！", dError);
		AfxMessageBox(error);
		return dError;
	}
	else
	{
		AfxMessageBox("设备可使用！");
	}

	return ERROR_SUCCESS;
}


DWORD SpectrDevice::StartCap()
{
	ULONG	nOutput;

	BOOL	bResult;
	unsigned char	Buffer[16];

	memset(Buffer, 0, 16);

	bResult = DeviceIoControl(	hDevice, 
								D12_START, 
								Buffer, 
								sizeof(Buffer), 
								Buffer, 
								sizeof(Buffer), 
								&nOutput, 
								NULL);

	if( !bResult )
	{
		DWORD	dError = GetLastError();
		CString	error;
		error.Format("ERROR: %d", dError);
		AfxMessageBox(error);
		return dError;
	}

	return ERROR_SUCCESS;

}




DWORD SpectrDevice::StopCap()
{
	ULONG		nOutput;
	unsigned char	Buffer[256];

	if( !DeviceIoControl(hDevice, D12_END, Buffer, 256, Buffer, 256, &nOutput, NULL) )
	{
		DWORD	dError = GetLastError();
		CString		error;
		error.Format("ERROR: %d", dError);
		AfxMessageBox(error);
		return dError;
	}

	return ERROR_SUCCESS;
}