cansenddlg.cpp

can端口的发数据的测试

// CANSendDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CANSend.h"
#include "CANSendDlg.h"
#include "..\..\include\adscan.h"

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

typedef struct {
    UCHAR rtr;      /* EFF RTR 0 0 DLC.3 DLC.2 DLC.1 DLC.0 */
    ULONG id;       /* not present in standard frames */
	UCHAR dlen;
    UCHAR data[8];
} CAN_MSG_T, *PCAN_MSG_T;

/////////////////////////////////////////////////////////////////////////////
// CCANSendDlg dialog

CCANSendDlg::CCANSendDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCANSendDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCANSendDlg)
	m_nPattern = 0;
	m_dwPakTotalCnt = 8;
	m_nDevNum = 0;
	m_strCount = _T("");
    m_bOpen = FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCANSendDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCANSendDlg)
	DDX_Control(pDX, IDC_REC_LST, m_lstDisplay);
	DDX_Text(pDX, IDC_PATTERN, m_nPattern);
	DDX_Text(pDX, IDC_PAK_TOTAL_CNT_EDT, m_dwPakTotalCnt);
	DDX_Text(pDX, IDC_DEV_NUM, m_nDevNum);
	DDX_Text(pDX, IDC_COUNT_STA, m_strCount);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCANSendDlg, CDialog)
	//{{AFX_MSG_MAP(CCANSendDlg)
	ON_BN_CLICKED(IDC_CLEAR_LIST_BTN, OnClearListBtn)
	ON_BN_CLICKED(IDC_START_BTN, OnStartBtn)
	ON_BN_CLICKED(IDC_INIT_BTN, OnInitBtn)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCANSendDlg message handlers

BOOL CCANSendDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// initialization value
	m_nBTR0 = 0x03;  // set baud rate to 125K
	m_nBTR1 = 0x1c;  // the detailed information, please refer to help file.

	m_nAcpCode = 0;         // set accept code is 0
	m_nAcpMask = 0xff;      // set mask value is 0xff
	m_nIntMask = 0x0;       // set interrupt disable for receive and transmit
	m_nOutCtrlCode = 0xfa;  // set output control code to 0xfa
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCANSendDlg::OnClearListBtn() 
{
	// TODO: Add your control notification handler code here
	m_lstDisplay.ResetContent();	
}

void CCANSendDlg::OnStartBtn() 
{
	// TODO: Add your control notification handler code here
	UINT i, j;
	CString s;
	CAN_MSG_T msg;
    UINT nStartPoint;

    // MMM: Rose test
    DWORD dwRet;
    TCHAR szTemp[100];

    // initilize message data
    UpdateData (TRUE); 
	msg.id   = 0x51;		    
	msg.rtr  = 0;
	msg.dlen = 8;
	BOOL bReady = FALSE;
    nStartPoint = m_nPattern;

    m_lstDisplay.ResetContent();

	for (i = 0; i < m_dwPakTotalCnt; i++)
	{
	    for( j=0; j < 8; j++ )
            msg.data[j] = (UCHAR)nStartPoint++;

        // try to write something to bus
		dwRet = CANWriteFile(m_nPort, (BOOL *) &bReady, (PVOID) &msg);
		if ( !bReady )
		{
            wsprintf(szTemp, _T("CAN send message error code = %d"), dwRet);

			MessageBox(szTemp, NULL, MB_OK);
			MessageBox(_T( "CAN send message FAILURE!" ), NULL, MB_OK);
			return;					
		}
		else
		{
			s.Format(_T( "SEND : ID = %u, Len = %u, %2.2XH %2.2XH %2.2XH %2.2XH %2.2XH %2.2XH %2.2XH %2.2XH" ),
				msg.id,
				msg.dlen,
				msg.data[0],
				msg.data[1], 
				msg.data[2], 
				msg.data[3],
				msg.data[4],
				msg.data[5],
				msg.data[6],
				msg.data[7]);
			AddStrToLst(s);
			s.Format(_T( "%lu" ), i + 1);
			m_strCount = s;
		}
	}

	UpdateData(FALSE);	
	MessageBox(_T( "CAN send message OK!" ), NULL, MB_OK);
}

void CCANSendDlg::OnInitBtn() 
{
	// TODO: Add your control notification handler code here
    UpdateData (TRUE);

    // Before using driver, we need to call CANPortOpen
	if (CANPortOpen(m_nDevNum, (WORD *) &m_nPort, (WORD *) &m_nHostID, (WORD *) &m_nPreBaudRate) != SUCCESS)
	{
    	MessageBox(_T( "CAN port open error!" ), NULL, MB_ICONERROR);
        return;
	}

    // Set protocol usage is 2.0A 
    if (CANSetProtocolType(m_nPort, CANBUS_PROTOCOL_20A) != SUCCESS)
    {
		MessageBox(_T( "CANSetProtocol error!" ), NULL, MB_ICONERROR);
		CANPortClose(m_nPort);
        return;
    }

    // Initialize baud rate and interrupt bits
	if (CANInit(m_nPort, m_nBTR0, m_nBTR1, (UCHAR) m_nIntMask) != SUCCESS)
	{
		MessageBox(_T( "CAN port init error!" ), NULL, MB_ICONERROR);

		CANPortClose(m_nPort);
        return;
	}

    // Set output control code
	if (CANSetOutCtrl(m_nPort, m_nOutCtrlCode) != SUCCESS)
	{
		MessageBox(_T( "CAN out ctrl code error!" ), NULL, MB_ICONERROR);

		CANPortClose(m_nPort);
        return;
	}

    // Set accept code for 2.0A
	if (CANSetAcp(m_nPort, m_nAcpCode, m_nAcpMask) != SUCCESS)
	{
		MessageBox(_T( "CAN set acp code error!" ), NULL, MB_ICONERROR);

		CANPortClose(m_nPort);
        return;
	}

    // Set baud rate again
	if (CANSetBaud(m_nPort, m_nBTR0, m_nBTR1) != SUCCESS)
	{
		MessageBox(_T( "CAN set baud rate error!" ), NULL, MB_ICONERROR);

		CANPortClose(m_nPort);
        return;
	}

    // Set to operation mode
	if (CANSetNormal(m_nPort) != SUCCESS)
	{
		MessageBox(_T( "CAN set normal error!" ), NULL, MB_ICONERROR);

		CANPortClose(m_nPort);
        return;
	}	
    
    // Everything is OK, then update the flag
    m_bOpen = TRUE;
}

void CCANSendDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default

    // if m_bOpen is true, then close port usage
    if (m_bOpen)
    {
	    if (CANPortClose(m_nPort) != SUCCESS)
	    {
		    MessageBox(_T( "CANPortClose error!" ), NULL, MB_ICONERROR);
	    }
        m_bOpen = FALSE;
    }

	CDialog::OnClose();
}

void CCANSendDlg::AddStrToLst(CString& s)
{
	int nItemsCount = 0;

	nItemsCount = m_lstDisplay.GetCount();

	if (nItemsCount >= 1000)
		m_lstDisplay.ResetContent();

	m_lstDisplay.AddString(s);
}