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📄 dma.cpp

📁 有关树WDM 驱动的编程.里面包含了许多实例,学习硬件的可以参考哦
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// DMA.cpp : implementation file
//

#include "stdafx.h"
#include "pctest.h"
#include "DMA.h"
#include "adc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDMA dialog
extern  PCHAR mDynVxDName ;
#define addoff 0x00
#define addout 0x80
#define CLEAR_F   0x7c        //F/L flip fiop            for write
#define CH0_A     0x70        //channel 0 base address   for write
#define CH1_A     0x72        //channel 1 base address   for write
#define CH1_C     0x73        //channel 1 count          for write 
#define MASK8237  0X7a        //mask                     for write
#define MODE8237  0x7b        //mode                     for write
#define CMMD8237  0x78        //command                  for write
#define MASKS     0x7f        //masks                    for write
#define RESET8237 0x7d        //reset                    for write
#define REQ8237   0x79        //request register         for write
#define STATUS    0x78        //status register          for read 

CDMA::CDMA(CWnd* pParent /*=NULL*/)
	: CDialog(CDMA::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDMA)
	m_Status =0;
	//}}AFX_DATA_INIT
	hDevice=NULL;
}


void CDMA::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDMA)
	DDX_Text(pDX, IDC_EDIT5, m_Status);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDMA, CDialog)
	//{{AFX_MSG_MAP(CDMA)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO3, OnRadio3)
	ON_BN_CLICKED(IDC_RADIO6, OnRadio6)
	ON_BN_CLICKED(IDC_RADIO5, OnRadio5)
	ON_BN_CLICKED(IDC_RADIO4, OnRadio4)
	ON_BN_CLICKED(IDC_BUTTON1, OnWrite1)
	ON_BN_CLICKED(IDC_BUTTON2, OnRead1)
	ON_BN_CLICKED(IDC_BUTTON3, OnWrite2)
	ON_BN_CLICKED(IDC_BUTTON4, OnRead2)
	ON_BN_CLICKED(IDC_BUTTON5, OnDma)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDMA message handlers

BOOL CDMA::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
		UpdateData(FALSE);
	m_data1.SubclassDlgItem(IDC_EDIT1, this );
	m_data1.m_bShowAddress=FALSE;
	m_data1.m_bShowHex=FALSE;
	
	m_data2.SubclassDlgItem(IDC_EDIT2, this );
	m_data2.m_bShowAddress=FALSE;
	m_data2.m_bShowHex=FALSE;
	m_data3.SubclassDlgItem(IDC_EDIT3, this );
	m_data3.m_bShowAddress=FALSE;
	m_data3.m_bShowHex=FALSE;
	
	m_data4.SubclassDlgItem(IDC_EDIT4, this );
	m_data4.m_bShowAddress=FALSE;
	m_data4.m_bShowHex=FALSE;
	if(hDevice==NULL)
	{
	hDevice = CreateFile(mDynVxDName,
					  GENERIC_READ | GENERIC_WRITE,
					  FILE_SHARE_READ,
					  NULL,
					  OPEN_EXISTING,
					  0,
					  NULL);
	if(hDevice==INVALID_HANDLE_VALUE)
	{
		AfxMessageBox("请检查板卡和驱动程序");
		CDialog::OnCancel();
		return FALSE;
	}
	pMem=(Mem_Param*)malloc(sizeof(Mem_Param));
	BOOL status =  DeviceIoControl(
					hDevice, 
			    	IOCTL_MEM, 
					NULL, 
					0,
					pMem, 
					sizeof(pMem), 
					&nRet, 
 					NULL);
	}


	 W_AD=(Write_AD*)malloc(sizeof(Write_AD));
	W_AD->Data=0x00;
    W_AD->Address=0x2a;
     DeviceIoControl(hDevice,
	               IOCTL_IO0W,
				   W_AD,
				   sizeof(W_AD)+1,
                   NULL,
				   0,
			       &nRet,
				    NULL);
 	 	W_AD->Data=0x43;
    W_AD->Address=0x51;
     DeviceIoControl(hDevice,
	               IOCTL_IO0W,
				   W_AD,
				   sizeof(W_AD)+1,
                   NULL,
				   0,
			       &nRet,
				    NULL);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CDMA::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_data1.m_length=120;
	m_data1.m_pData =(LPBYTE)malloc(m_data1.m_length);
	for(int x=0;x<120;x++)
	{
      m_data1.m_pData [x]=0x55;
	}
   m_data1.m_bUpdate=TRUE;
   m_data1.m_bShowAddress=TRUE;
   m_data1.m_bShowHex=TRUE;
   m_data1.SetScrollPos(SB_VERT,0);
   m_data1.Invalidate ();
	
	
}

void CDMA::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_data1.m_length=120;
	m_data1.m_pData =(LPBYTE)malloc(m_data1.m_length);
	for(int x=0;x<120;x++)
	{
      m_data1.m_pData [x]=0xAA;
	}
   m_data1.m_bUpdate=TRUE;
   m_data1.m_bShowAddress=TRUE;
   m_data1.m_bShowHex=TRUE;
   m_data1.SetScrollPos(SB_VERT,0);
   m_data1.Invalidate ();
	
	
}

void CDMA::OnRadio3() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	m_data1.m_length=120;
	m_data1.m_pData =(LPBYTE)malloc(m_data1.m_length);
	for(int x=0;x<120;x++)
	{
      m_data1.m_pData [x]=(BYTE)rand();
	}
   m_data1.m_bUpdate=TRUE;
   m_data1.m_bShowAddress=TRUE;
   m_data1.m_bShowHex=TRUE;
   m_data1.SetScrollPos(SB_VERT,0);
   m_data1.Invalidate ();
	
	
}

void CDMA::OnRadio6() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);
	m_data3.m_length=120;
	m_data3.m_pData =(LPBYTE)malloc(m_data3.m_length);
	for(int x=0;x<120;x++)
	{
      m_data3.m_pData [x]=(BYTE)rand();
	}
   m_data3.m_bUpdate=TRUE;
   m_data3.m_bShowAddress=TRUE;
   m_data3.m_bShowHex=TRUE;
   m_data3.SetScrollPos(SB_VERT,0);
   m_data3.Invalidate ();
	
}

void CDMA::OnRadio5() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);
	m_data3.m_length=120;
	m_data3.m_pData =(LPBYTE)malloc(m_data3.m_length);
	for(int x=0;x<120;x++)
	{
      m_data3.m_pData [x]=0xAA;
	}
   m_data3.m_bUpdate=TRUE;
   m_data3.m_bShowAddress=TRUE;
   m_data3.m_bShowHex=TRUE;
   m_data3.SetScrollPos(SB_VERT,0);
   m_data3.Invalidate ();
	
	
}

void CDMA::OnRadio4() 
{
	// TODO: Add your control notification handler code here
		UpdateData(TRUE);
	m_data3.m_length=120;
	m_data3.m_pData =(LPBYTE)malloc(m_data3.m_length);
	for(int x=0;x<120;x++)
	{
      m_data3.m_pData [x]=0x55;
	}
   m_data3.m_bUpdate=TRUE;
   m_data3.m_bShowAddress=TRUE;
   m_data3.m_bShowHex=TRUE;
   m_data3.SetScrollPos(SB_VERT,0);
   m_data3.Invalidate ();
	
	
}

void CDMA::OnWrite1() 
{
	// TODO: Add your control notification handler code here
		PBYTE m_d;
	m_d=(PBYTE)pMem->mdr_LinearAddress+addoff;
	for(int x=0;x<m_data1.m_length;x++)
	{
      *m_d=m_data1.m_pData [x];
	  m_d=m_d+1;
	  
     }
	
}

void CDMA::OnRead1() 
{
	// TODO: Add your control notification handler code here
	m_data2.m_length=m_data1.m_length;
	PBYTE m_d;
	m_d=(PBYTE)pMem->mdr_LinearAddress+addoff;

	m_data2.m_pData =(LPBYTE)malloc(m_data2.m_length);
	for(int x=0;x<m_data2.m_length;x++)
	{
    m_data2.m_pData [x]=*m_d;
	m_d=m_d+1;
	}
    m_data2.m_bUpdate=TRUE;
    m_data2.m_bShowAddress=TRUE;
    m_data2.m_bShowHex=TRUE;
    m_data2.SetScrollPos(SB_VERT,0);
    m_data2.Invalidate ();
	
}

void CDMA::OnWrite2() 
{
	// TODO: Add your control notification handler code here
			PBYTE m_d;
	m_d=(PBYTE)pMem->mdr_LinearAddress+addout;
	for(int x=0;x<m_data3.m_length;x++)
	{
      *m_d=m_data3.m_pData [x];
	  m_d=m_d+1;
	  
     }
}

void CDMA::OnRead2() 
{
	// TODO: Add your control notification handler code here
	m_data4.m_length=120;
	//addout=0x800;
	PBYTE m_d;
	m_d=(PBYTE)pMem->mdr_LinearAddress+addout;         //0x80

	m_data4.m_pData =(LPBYTE)malloc(m_data4.m_length);
	for(int x=0;x<m_data4.m_length;x++)
	{
    m_data4.m_pData [x]=*m_d;
	m_d=m_d+1;
	}
    m_data4.m_bUpdate=TRUE;
    m_data4.m_bShowAddress=TRUE;
    m_data4.m_bShowHex=TRUE;
	m_data4.SetScrollPos(SB_VERT,0);
    m_data4.Invalidate ();
}

void CDMA::OnDma() 
{
	// TODO: Add your control notification handler code here
	BYTE lastsend,aa,bb;
   m_Status=0;
	UpdateData(false);
	PBYTE m_d;
	
	m_d=(PBYTE)pMem->mdr_LinearAddress+addout;

	W_AD->Data=0x67;
    W_AD->Address=RESET8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
	

		W_AD->Data=0x00;
    W_AD->Address=CLEAR_F;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

		W_AD->Data=0x48;
    W_AD->Address=MODE8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
  
		W_AD->Data=0x45;
    W_AD->Address=MODE8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);


			W_AD->Data=0x00;
    W_AD->Address=MASK8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

			W_AD->Data=0x01;
    W_AD->Address=MASK8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
   
			W_AD->Data=0x01;
    W_AD->Address=CMMD8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

			W_AD->Data=0x0c;
    W_AD->Address=MASKS;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

    for (bb=0;bb<120;bb++)
    {
     aa=bb+0x80;

	 		W_AD->Data=0x0c;
    W_AD->Address=MASKS;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

			W_AD->Data=bb;
    W_AD->Address=0x70;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
   
			W_AD->Data=00;
    W_AD->Address=0x70;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
	
    
			W_AD->Data=aa;
    W_AD->Address=0x72;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
    
			W_AD->Data=0x00;
    W_AD->Address=0x72;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);
    
			W_AD->Data=0x00;
    W_AD->Address=0x73;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

			W_AD->Data=0x00;
    W_AD->Address=0x73;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);


  
			W_AD->Data=0x04;
    W_AD->Address=REQ8237;
    DeviceIoControl(
					hDevice, 
					IOCTL_IOW,
					W_AD, 
					sizeof(W_AD)+1, 
					NULL, 
					0,
					&nRet, 
 					NULL);

	 Sleep(5);

	
	 BYTE off=0x7d;
	 DeviceIoControl(
					hDevice, 
					IOCTL_IOR,
					&off, 
					sizeof(BYTE), 
					&lastsend, 
					0,
					&nRet, 
 					NULL);
	 *m_d=lastsend;
	  m_d=m_d+1;

	}

    m_Status=lastsend;
	UpdateData(false);
}

void CDMA::OnOK() 
{
	// TODO: Add extra validation here
	W_AD->Address=0x51;
	W_AD->Data=0x42;
    DeviceIoControl(hDevice,
		            IOCTL_IO0W,
					W_AD,
					sizeof(Write_AD)+1,
					NULL,
					0,
					&nRet,
					NULL);
	if(hDevice!=NULL)
	{
	CloseHandle(hDevice);
	hDevice=NULL;
	}
   // _outp(pci->IOBase[0]+0x51,0x42);
	
	CDialog::OnOK();
}

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