pciboot.cpp

Windows 2000下PCI数据采集卡WDM驱动,非常完整

// LoadFile.cpp : Defines the entry point for the console applicaDSPon.
//

#include "stdafx.h"
#include "PciBoot.h"

#include "..\..\inc\DSP100.h"
#include "..\..\inc\reg.h"

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

/////////////////////////////////////////////////////////////////////////////
// The one and only applicaDSPon object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	// iniDSPalize MFC and print and error on failure
	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
	{
		// TODO: change error code to suit your needs
		cerr << _T("Fatal Error: MFC iniDSPalizaDSPon failed") << endl;
		nRetCode = 1;
	}
	else
	{
		// TODO: code your applicaDSPon's behavior here.
		CString strHello;
		strHello.LoadString(IDS_HELLO);
		cout << (LPCTSTR)strHello << endl;
	}

	//Add code 

	DSPSTATUS status	= DSP_OK;

	HDSP100 hdsp		= NULL;
	
	DWORD dwSize		= 0;
	DWORD dwRVal		= 0;

	DWORD dwMask		= 0;
	DWORD dwShift		= 0;
	DWORD dwData		= 0;

	DWORD dwSegment		= 0;
	DWORD dwOffset		= 0;

	HANDLE hMap			= NULL;
	BYTE *pBuffer		= NULL;

	HANDLE hFile        = INVALID_HANDLE_VALUE;

	DWORD *pDSPProg		= new DWORD[16 * 1024];
	ASSERT(pDSPProg);

	status = BeginDSP100(1, &hdsp);

	//Lock 4m memory window
	status = DSP100LockMem(hdsp, -1, -1 , &hMap, (PVOID *)&pBuffer);
	
	if (DSP_SUCCESS(status)) {
		//Initialize PCI only read zone
		dwSegment	=  0x8000ffe0 / 0x400000;
		dwSegment	|= 0x400;
		dwOffset	=  0x8000ffe0 % 0x400000;
		DSP100WritePortULong(hdsp, DSPP, dwSegment);
		ZeroMemory(pBuffer + dwOffset, 32 * 4);

		printf("DSP zone 0x%0x \n", *(DWORD *)(pBuffer + dwOffset));
		
		//Set dsp program code 
		pDSPProg[0] = 0x020D0D28;
		pDSPProg[1] = 0x020D0D68;
		pDSPProg[2] = 0x017FF028;
		pDSPProg[3] = 0x01400068;
		pDSPProg[4] = 0x02080274;
		
		status = DSP100WritePortULong(hdsp, DSPP, 0x400);
		
		//Reset DSP
		status = DSP100ReadPortULong(hdsp, HDCR, &dwData);
		if (DSP_SUCCESS(status)) {
			dwData |= 0x1;
			status = DSP100WritePortULong(hdsp, HDCR, dwData);
		}
							
		CopyMemory(pBuffer, (BYTE *)pDSPProg, 5 * 4);
		
		//Set DSPINT and release dsp from reset
		status = DSP100ReadPortULong(hdsp, HDCR, &dwData);
		if (DSP_SUCCESS(status)) {
			dwData |= 0x2;
			status = DSP100WritePortULong(hdsp, HDCR, dwData);
		}
		
		//Read PCI read only zone
		dwSegment	=  0x8000ffe0 / 0x400000;
		dwSegment	|= 0x400;
		dwOffset	=  0x8000ffe0 % 0x400000;
		DSP100WritePortULong(hdsp, DSPP, dwSegment);
		printf("DSP zone 0x%x \n", *(DWORD *)(pBuffer + dwOffset));
		
		//Read PCIIEN 
		dwSegment	=  RSTSRC / 0x400000;
		dwSegment	|= 0x400;
		dwOffset	=  RSTSRC % 0x400000;
		DSP100WritePortULong(hdsp, DSPP, dwSegment);
		printf("DSP RSTSRC 0x%0x \n", *(DWORD *)(pBuffer + dwOffset));

		//Read RSTSRC again
		DSP100WritePortULong(hdsp, DSPP, dwSegment);
		printf("DSP RSTSRC 0x%0x \n", *(DWORD *)(pBuffer + dwOffset));
		
		//Read PCIIEN 
		dwSegment	=  PCIIEN / 0x400000;
		dwSegment	|= 0x400;
		dwOffset	=  PCIIEN % 0x400000;
		DSP100WritePortULong(hdsp, DSPP, dwSegment);
		printf("DSP RSTSRC 0x%0x \n", *(DWORD *)(pBuffer + dwOffset));

		//Unlock 
		status = DSP100UnlockMem(hdsp, hMap);
	}
	
	
	status = EndDSP100(hdsp);

	delete []pDSPProg;
	
	return nRetCode;

}