setiddlg.cpp

通过无线通信设置设备ID号。nrf905

// SetIDDlg.cpp : implementation file
//

#include "stdafx.h"
#include "pcomm.h"
#include "SetID.h"
#include "SetIDDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSetIDDlg dialog

CSetIDDlg::CSetIDDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSetIDDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSetIDDlg)
	m_ComNo = 1;
	m_ID = 0;
	m_RXBUF = _T("");
	m_TXBUF = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}

void CSetIDDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSetIDDlg)
	DDX_Control(pDX, IDC_CMDTYPE, m_CmdType);
	DDX_Text(pDX, IDC_COMNO, m_ComNo);
	DDV_MinMaxUInt(pDX, m_ComNo, 1, 20);
	DDX_Text(pDX, IDC_ID, m_ID);
	DDV_MinMaxUInt(pDX, m_ID, 0, 65535);
	DDX_Text(pDX, IDC_RXBUF, m_RXBUF);
	DDX_Text(pDX, IDC_TXBUF, m_TXBUF);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSetIDDlg, CDialog)
	//{{AFX_MSG_MAP(CSetIDDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSetIDDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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

	// TODO: Add extra initialization here
	m_ComNo = 1;
	m_CmdType.AddString("读取ID");
	m_CmdType.AddString("设置ID");
	m_CmdType.SetCurSel(0);
	m_ID = 0;
	openflag = 0;
	waitflag = 0;
	Count = 0;
	rxpt = 0;
	handlept = 0;

	if(SetTimer(31,50,NULL)==0)	MessageBox("Cann't install timer!");

	UpdateData(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSetIDDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CSetIDDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSetIDDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

/////////////////////////////////////////////////////////////////////////////////
BYTE GetLPC(BYTE *buf,WORD len)
{
	WORD	i;
	BYTE	c = 0xff;
	for ( i=0; i<len; i++ )
		c ^= buf[i];
	return c;
}

/////////////////////////////////////////////////////////////////////////////////
void CSetIDDlg::InitMoxa()
{
	CString	str;

	int	ret = sio_open(m_ComNo);
	if ( ret < 0 )	{
		openflag = 0;
		str.Format("打开串口%d错误，返回码为%d",m_ComNo,ret);
		MessageBox("警告",str);
		return;
	}
	
	oldcomno = m_ComNo;
	openflag = 1;
	
	int	mode = BIT_8 | P_NONE | STOP_1;
	
	sio_ioctl(m_ComNo,B115200,mode);	//	115200BPS
	
	//	Set RTS/CTS flow control
	sio_flowctrl(m_ComNo,0);
}
/////////////////////////////////////////////////////////////////////////////////
void CSetIDDlg::OnOK() 
{
	// TODO: Add extra validation here
	if ( waitflag )	{
		MessageBox("警告","正在等待数据返回，请稍候！");
		return;
	}

	UpdateData(TRUE);
	type = (BYTE)m_CmdType.GetCurSel();
	BYTE	buf[6],len;
	int		ret;
	CString	str;

	buf[0] = 0xeb;
	buf[1] = 0x90;
	if ( type )	{
		buf[2] = 5;
		buf[3] = (BYTE)m_ID;
		buf[4] = (BYTE)(m_ID >> 8);
		len = 6;
	}
	else	{
		buf[2] = 7;
		len = 4;
	}

	buf[len-1] = GetLPC(buf,len-1);
	if ( !openflag )	InitMoxa();
	else	{
		if ( m_ComNo != oldcomno )	{
			sio_close(oldcomno);
			InitMoxa();
		}
	}

	if ( !openflag )	return;

	waitflag = 1;
	Count = 60;
	rxpt = 0;
	handlept = 0;
	ret = sio_write(m_ComNo,(LPSTR)buf,len);
	if ( ret < 0 )	{
		CString	str;
		str.Format("发送数据出错，返回码为%d",ret);
		MessageBox("警告",str);
		return;
	}

	CString	str1;
	str = "发送：";
	for ( int i=0; i<len; i++ )	{
		str1.Format("%02X ",buf[i]);
		str += str1;
	}
	m_TXBUF = str;
	m_RXBUF = "收到：";
	UpdateData(FALSE);
}

void CSetIDDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	KillTimer(31);
	if ( openflag )		sio_close(m_ComNo);

	CDialog::OnCancel();
}

void CSetIDDlg::ReadMoxa() 
{
	if ( waitflag )	{
		long	len = sio_data_status(m_ComNo);
		if ( len < 0 )	{
			InitMoxa();
			return;
		}
		else if ( len > 0 )		return;
		else	{}

		len = sio_iqueue(m_ComNo);
		if ( !len )	{
			Count--;
			if ( !Count )	waitflag = 0;

			return;
		}
		else if ( len < 0 )
		{
			InitMoxa();
			return;
		}
		else	{}

		if ( len <= (RXBUF_LENGTH - rxpt) )
		{
			len = sio_read(m_ComNo,(LPSTR)&rxbuf[rxpt],len);
			if ( len <= 0 )
			{
				InitMoxa();
				return;
			}
		}
		else	{
			len = sio_read(m_ComNo,(LPSTR)&rxbuf[rxpt],(RXBUF_LENGTH-rxpt));
			if ( len <= 0 )
			{
				InitMoxa();
				return;
			}
			rxpt = 0;
			len = sio_read(m_ComNo,(LPSTR)&rxbuf[rxpt],RXBUF_LENGTH);
			if ( len <= 0 )
			{
				InitMoxa();
				return;
			}
		}
		rxpt += (WORD)len;
		rxpt &= RXBUF_LENGTH1;
	}
}

void CSetIDDlg::RxHandle()
{
	BYTE	buf1[RXBUF_LENGTH];
	BYTE	*buf;
	WORD	len;
	WORD	i,j;
	CString	str1,str;

	if ( !waitflag )			return;
	if ( handlept == rxpt )		return;

	if ( handlept < rxpt )	{
		for ( i=0; i<(rxpt - handlept); i++ )
			buf1[i] = rxbuf[handlept+i];

		len = i;
	}
	else	{
		for ( i=0; i<(RXBUF_LENGTH-handlept); i++ )
			buf1[i] = rxbuf[handlept+i];

		for ( j=0; j<rxpt; j++ )
			buf1[i+j] = rxbuf[j];

		len = i+j;
	}

	if ( len < 6 )	return;

	str = "收到：";
	for ( i=0; i<len; i++ )	{
		str1.Format("%02X ",buf1[i]);
		str += str1;
	}
	m_RXBUF = str;
	UpdateData(FALSE);
	buf = &buf1[0];
	while(len > 0)	{
		if ( buf[0] != 0xEB)	{
			buf++;
			len--;
			handlept = (handlept + 1) & RXBUF_LENGTH1;
			continue;
		}

		if ( buf[1] != 0x90)	{
			buf += 2;
			len -= 2;
			handlept = (handlept + 2) & RXBUF_LENGTH1;
			continue;
		}

		BYTE	cmdno = buf[2];					//by lhl						
		WORD	ID;

		waitflag = 0;
		if ( cmdno == 0x06 )	{
			BYTE	lpc = GetLPC(buf,6);
			if ( lpc )	{
				buf += 3;
				len -= 3;
				handlept = (handlept + 3) & RXBUF_LENGTH1;
				continue;
			}

			ID = buf[3] + (buf[4] << 8);
			m_ID = ID;
			UpdateData(FALSE);
			buf += 6;
			len -= 6;
			handlept = (handlept + 6) & RXBUF_LENGTH1;
		}
		else	{
			handlept += 3;
			buf += 3;
			len -= 3;
		}
	}
}

void CSetIDDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	if(nIDEvent!=31)	return;

	ReadMoxa();
	RxHandle();
	CDialog::OnTimer(nIDEvent);
}