www.gusucode.com > VC++ Modbus通信两个小例子-源码程序 > VC++ Modbus通信两个小例子-源码程序/code/MODBUS VC/AAADlg.cpp

    // AAADlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "AAA.h"
#include "AAADlg.h"
#include "MODBUS_SERVER.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()

/////////////////////////////////////////////////////////////////////////////
// CAAADlg dialog

CAAADlg::CAAADlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAAADlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAAADlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);	
}

void CAAADlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAAADlg)
	DDX_Control(pDX, IDC_E_VALUE, m_value);
	DDX_Control(pDX, IDC_E_RTU, m_rtu);
	DDX_Control(pDX, IDC_E_REGCOUNT, m_regcount);
	DDX_Control(pDX, IDC_E_REGADD, m_regadd);
	DDX_Control(pDX, IDC_R_TEXT, m_r_text);
	DDX_Control(pDX, IDC_B_WRITE, m_b_write);
	DDX_Control(pDX, IDC_B_READ, m_b_read);
	DDX_Control(pDX, IDC_B_CLOSE, m_b_close);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAAADlg, CDialog)
	//{{AFX_MSG_MAP(CAAADlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_B_CLOSE, OnBClose)
	ON_BN_CLICKED(IDC_B_READ, OnBRead)
	ON_BN_CLICKED(IDC_B_WRITE, OnBWrite)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAAADlg message handlers

BOOL CAAADlg::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
	/*
	Parity :
	EVENPARITY Even 
	MARKPARITY Mark 
	NOPARITY No parity 
	ODDPARITY Odd 
	SPACEPARITY Space 
	*/	
	/*BaudRate:
	CBR_110
	CBR_19200
	CBR_300
	CBR_38400
	CBR_600
	CBR_56000
	CBR_1200
	CBR_57600
	CBR_2400
	CBR_115200
	CBR_4800
	CBR_128000
	CBR_9600
	CBR_256000
	CBR_14400	
	*/
	/*
	ONESTOPBIT 1 stop bit 
	ONE5STOPBITS 1.5 stop bits 
	TWOSTOPBITS 
	*/

	MODBUS_S_Init(1,CBR_9600,8,NOPARITY,ONESTOPBIT);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CAAADlg::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 CAAADlg::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 CAAADlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CAAADlg::OnBClose() 
{
	// TODO: Add your control notification handler code here
	//退出
	CDialog::EndDialog(0);
}

void CAAADlg::OnBRead() 
{
	//发送读指令并接受返回
	short int ilist[200];
	bool	  blist[200];
	CString rtu,regadd,regcount,strtmp;
	
	memset(ilist,0x00,200);
	memset(blist,0x00,200);

	m_rtu.GetWindowText(rtu);
	m_regadd.GetWindowText(regadd);
	m_regcount.GetWindowText(regcount);

	if(rtu.IsEmpty())
	{
		MessageBox("PLC地址不能为空","MODBUS测试",MB_OK);
		return;
	}
	else if(regadd.IsEmpty())
	{
		MessageBox("变量地址不能为空","MODBUS测试",MB_OK);
		return;
	}
	else if(regcount.IsEmpty())
	{
		MessageBox("变量数量不能为空","MODBUS测试",MB_OK);
		return;
	}
	//判断是否为数字
	unsigned short int i_regadd, i_regcount;
	unsigned char i_rtu;

	for(int i=0; i<rtu.GetLength(); i++)
	{
		if(isdigit(rtu[0])==0)
		{
			MessageBox("PLC地址不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_rtu= atoi(rtu);

	for(i=0; i<regadd.GetLength(); i++)
	{
		if(isdigit(regadd[0])==0)
		{
			MessageBox("变量地址不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_regadd= atoi(regadd);
	if(i_regadd > 50000 || i_regadd <= 0)
	{
			MessageBox("变量地址范围不正确","MODBUS测试",MB_OK);
			return;
	}

	for(i=0; i<regcount.GetLength(); i++)
	{
		if(isdigit(regcount[0])==0)
		{
			MessageBox("变量数量不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_regcount= atoi(regcount);
	if(i_regcount > 200)
	{
			MessageBox("变量数量不能大于200","MODBUS测试",MB_OK);
			return;
	}
	//生成并发送命令
	char state= 0;
	int nlength=m_r_text.GetTextLength();
	m_r_text.SetSel(nlength,  nlength);  
	m_r_text.ReplaceSel("发送数据\r\n");		

	if(i_regadd >= 40001 && i_regadd <= 49999)
	{		
		state= MODBUS_S_ReadMultiRegD(i_rtu,i_regadd,i_regcount,ilist);
	}
	else if(i_regadd >= 10001 && i_regadd <= 19999)
	{		
		state= MODBUS_S_ReadMultiRegM_1x(i_rtu,i_regadd,i_regcount,blist);
	}	
	else if(i_regadd >= 1 && i_regadd <= 9999)
	{
		state= MODBUS_S_ReadMultiRegM(i_rtu,i_regadd,i_regcount,blist);
	}

	if(state==-1)
	{
		nlength=m_r_text.GetTextLength();
		m_r_text.SetSel(nlength,  nlength);  
		m_r_text.ReplaceSel("接收数据CRC检验失败\r\n");		
	}
	else if(state==-2)
	{
		nlength=m_r_text.GetTextLength();
		m_r_text.SetSel(nlength,  nlength);  
		m_r_text.ReplaceSel("接收数据失败,无应答\r\n");		
	}
	else
	{
		nlength=m_r_text.GetTextLength();
		m_r_text.SetSel(nlength,  nlength);  
		m_r_text.ReplaceSel("接收数据成功.\r\n");		
	}

	CString str;
	if(i_regadd >= 40001 && i_regadd <= 49999)
	{
		for(i=0; i<i_regcount; i++)
		{			
			strtmp.Format("%d--%d\r\n", i_regadd+i,ilist[i]);							
			str+= strtmp;
		}
	}
	else
	{
		for(i=0; i<i_regcount; i++)
		{			
			strtmp.Format("%d--%2x\r\n", i_regadd+i,blist[i]);							
			str+= strtmp;
		}
	}		

	//Append str To Rich;
	nlength=m_r_text.GetTextLength();
	m_r_text.SetSel(nlength,  nlength);  
	m_r_text.ReplaceSel(str);
}

void CAAADlg::OnBWrite() 
{
	//发送写指令并接受返回
	CString rtu,regadd,regcount,regvalue;
	
	m_rtu.GetWindowText(rtu);
	m_regadd.GetWindowText(regadd);
	m_regcount.GetWindowText(regcount);
	m_value.GetWindowText(regvalue);

	if(rtu.IsEmpty())
	{
		MessageBox("PLC地址不能为空","MODBUS测试",MB_OK);
		return;
	}
	else if(regadd.IsEmpty())
	{
		MessageBox("变量地址不能为空","MODBUS测试",MB_OK);
		return;
	}
	else if(regvalue.IsEmpty())
	{
		MessageBox("变量值不能为空","MODBUS测试",MB_OK);
		return;
	}

	//判断是否为数字	
	unsigned short int i_regadd;
	unsigned char i_rtu;
	short int i_regvalue;

	for(int i=0; i<rtu.GetLength(); i++)
	{
		if(isdigit(rtu[0])==0)
		{
			MessageBox("PLC地址不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_rtu= atoi(rtu);

	for(i=0; i<regvalue.GetLength(); i++)
	{
		if(isdigit(regvalue[0])==0)
		{
			MessageBox("变量值不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_regvalue= atoi(regvalue);

	for(i=0; i<regadd.GetLength(); i++)
	{
		if(isdigit(regadd[0])==0)
		{
			MessageBox("变量地址不能为字符","MODBUS测试",MB_OK);
			return;
		}
	}
	i_regadd= atoi(regadd);
	if(i_regadd > 50000 || i_regadd <= 0)
	{
			MessageBox("变量地址范围不正确","MODBUS测试",MB_OK);
			return;
	}
	//生成并发送命令
	char state= 0;
	int nlength=m_r_text.GetTextLength();
	m_r_text.SetSel(nlength,  nlength);  
	m_r_text.ReplaceSel("发送数据\r\n");		

	if(i_regadd >= 40001 && i_regadd <= 49999)
	{		
		state= MODBUS_S_WriteSingRegD(i_rtu,i_regadd,i_regvalue);
	}
	else if(i_regadd >= 1 && i_regadd <= 9999)
	{
		if(i_regvalue > 0)
		{			
			state= MODBUS_S_WriteSingRegM(i_rtu,i_regadd,true);
		}
		else
		{
			state= MODBUS_S_WriteSingRegM(i_rtu,i_regadd,false);
		}
	}	

	if(state > 0)
	{
		nlength=m_r_text.GetTextLength();
		m_r_text.SetSel(nlength,  nlength);  
		m_r_text.ReplaceSel("接收数据成功.\r\n");		
	}
	else
	{
		nlength=m_r_text.GetTextLength();
		m_r_text.SetSel(nlength,  nlength);  
		m_r_text.ReplaceSel("接收数据失败\r\n");		
	}

}

void CAAADlg::AsciiToHex(CString buff, CString Hex)
{
	//ASCII to Hex
	Hex= "";
	CString str_temp;
	for(int i=0;i<buff.GetLength();i++)
	{
		str_temp.Format("%2x", buff[i]);
		Hex += str_temp;
	}
}

void CAAADlg::ShowCommFrame(LPCTSTR Msg)
{	
	//Append str To Rich;
	int nlength=m_r_text.GetTextLength();
	m_r_text.SetSel(nlength,  nlength);  
	m_r_text.ReplaceSel(Msg);
}

void CAAADlg::OnClose() 
{
	CDialog::OnClose();
	MODBUS_S_UnInit();
}