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/ModbusCommunicationTest/ModbusTestDlg.cpp
// ModbusTestDlg.cpp : implementation file
// Download by http://www.NewXing.com
#include "stdafx.h"
#include "ModbusTest.h"
#include "ModbusTestDlg.h"
#include "configdlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define COMPORT 7
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
void GetCrcCheck(unsigned char *buffer,unsigned char * crc_temp_low,
unsigned char *crc_temp_hi,unsigned char usDataLen);
void GetCrcCheck(unsigned char *buffer,unsigned char * crc_temp_low,
unsigned char *crc_temp_hi,unsigned char usDataLen)
{
unsigned char uchCRCHi = 0xFF ; /* 高CRC字节初始化 */
unsigned char uchCRCLo = 0xFF ; /* 低CRC 字节初始化 */
unsigned char uIndex,i ;
unsigned char auchCRCHi[] = {
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
} ;
/* CRC低位字节值表*/
unsigned char auchCRCLo[] = {
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
0x43, 0x83, 0x41, 0x81, 0x80, 0x40
};
i=0 ; /* CRC循环中的索引 */
while (usDataLen--) /* 传输消息缓冲区 */
{
uIndex = uchCRCHi ^ buffer[i++] ; /* 计算CRC */
uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ;
uchCRCLo = auchCRCLo[uIndex] ;
}
*crc_temp_low = uchCRCLo ;
*crc_temp_hi = uchCRCHi ;
}
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()
/////////////////////////////////////////////////////////////////////////////
// CModbusTestDlg dialog
CModbusTestDlg::CModbusTestDlg(CWnd* pParent /*=NULL*/)
: CDialog(CModbusTestDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CModbusTestDlg)
//}}AFX_DATA_INIT
m_portNum=1;
m_startSend = false;
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CModbusTestDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CModbusTestDlg)
DDX_Control(pDX, IDC_LIST2, m_send);
DDX_Control(pDX, IDC_LIST1, m_receive);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CModbusTestDlg, CDialog)
//{{AFX_MSG_MAP(CModbusTestDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
ON_MESSAGE(WM_COMM_RXCHAR, OnCommunication)
ON_BN_CLICKED(IDC_BTN_CLR, OnBtnClr)
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CModbusTestDlg message handlers
BOOL CModbusTestDlg::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
if (m_Port.InitPort(this, m_portNum, 9600 ))
{
m_Port.StartMonitoring();
}
else
{
AfxMessageBox("打开串口失败!");
}
m_sumRevChar =0;
m_lastRevTime = CTime::GetCurrentTime();
return TRUE; // return TRUE unless you set the focus to a control
}
void CModbusTestDlg::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 CModbusTestDlg::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 CModbusTestDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CModbusTestDlg::OnButton1()
{
if(m_startSend == 0)
{
SetTimer(1001,3000,0);
HWND wnd;
GetDlgItem(IDC_BUTTON1,&wnd);
::SetWindowText(wnd,"结束发送");
}
else
{
KillTimer(1001);
HWND wnd;
GetDlgItem(IDC_BUTTON1,&wnd);
::SetWindowText(wnd,"定时发送");
}
m_startSend = !m_startSend;
}
void CModbusTestDlg::OnButton2() //单次发送
{
char buf[100];
unsigned char sendBuf[50];
memset(&buf, 0, sizeof(buf));
GetDlgItemText(IDC_EDIT1, buf, sizeof(buf));
SYSTEMTIME curTime;
GetSystemTime(&curTime);
char timeStr[30];
sprintf(timeStr,"%d:%d:%d",curTime.wMinute,curTime.wSecond,curTime.wMilliseconds);
m_send.InsertString(-1,timeStr);
if(strlen(buf)%2==0)
{
for(unsigned int i=0;i<strlen(buf);i+=2)
{
if(buf[i]>='0'&&buf[i]<='9')
{
sendBuf[i/2]=(buf[i]-48)*16;
}
else if(buf[i]>='a'&&buf[i]<='f')
{
sendBuf[i/2]=(buf[i]-87)*16;
}
else if(buf[i]>='A'&&buf[i]<='F')
{
sendBuf[i/2]=(buf[i]-55)*16;
}
else
{
AfxMessageBox("data error!");
return;
}
if((buf[i+1]>='0')&&(buf[i+1]<='9'))
{
sendBuf[i/2]+=(buf[i+1]-48);
}
else if(buf[i+1]>='a'&&buf[i+1]<='f')
{
sendBuf[i/2]+=(buf[i+1]-87);
}
else if(buf[i+1]>='A'&&buf[i+1]<='F')
{
sendBuf[i/2]+=(buf[i+1]-55);
}
else
{
AfxMessageBox("data error!");
return;
}
}
unsigned char crc_temp_low, crc_temp_hi;
GetCrcCheck(sendBuf,&crc_temp_low,&crc_temp_hi,strlen(buf)/2);
//memcpy(&sendBuf[(i)/2],&crc,2);
sendBuf[i/2]=crc_temp_hi;
sendBuf[i/2+1]=crc_temp_low;
m_Port.WriteToPort((char*)sendBuf,(strlen(buf)/2)+2);
CString str;
str = buf;
unsigned char hChar,lChar;
hChar = crc_temp_hi>>4;
lChar = crc_temp_hi%16;
if(hChar<10)
{
str += (hChar+48);
}
else
{
str += (hChar+55);
}
if(lChar<10)
{
str += (lChar+48);
}
else
{
str += (lChar+55);
}
str += ' ';
hChar = crc_temp_low>>4;
lChar = crc_temp_low%16;
if(hChar<10)
{
str += (hChar+48);
}
else
{
str += (hChar+55);
}
if(lChar<10)
{
str += (lChar+48);
}
else
{
str += (lChar+55);
}
str += ' ';
m_send.InsertString(-1,str);
}
}
void CModbusTestDlg::OnCancel()
{
// TODO: Add extra cleanup here
CDialog::OnCancel();
}
void CModbusTestDlg::OnButton3() //串口设置
{
CConfigDlg* dlg = new CConfigDlg(this, m_Port.GetDCB());
dlg->m_strSendBuffer.Format("%d", m_Port.GetWriteBufferSize());
DWORD dwCommEvents = m_Port.GetCommEvents();
dlg->m_CommBreakDetected = (dwCommEvents & EV_BREAK) > 0 ? TRUE : FALSE;
dlg->m_CommCTSDetected = (dwCommEvents & EV_CTS) > 0 ? TRUE : FALSE;
dlg->m_CommDSRDetected = (dwCommEvents & EV_DSR) > 0 ? TRUE : FALSE;
dlg->m_CommERRDetected = (dwCommEvents & EV_ERR) > 0 ? TRUE : FALSE;
dlg->m_CommRingDetected = (dwCommEvents & EV_RING) > 0 ? TRUE : FALSE;
dlg->m_CommRLSDDetected = (dwCommEvents & EV_RLSD) > 0 ? TRUE : FALSE;
dlg->m_CommRxchar = (dwCommEvents & EV_RXCHAR) > 0 ? TRUE : FALSE;
dlg->m_CommRxcharFlag = (dwCommEvents & EV_RXFLAG) > 0 ? TRUE : FALSE;
dlg->m_CommTXEmpty = (dwCommEvents & EV_TXEMPTY) > 0 ? TRUE : FALSE;
dlg->m_portNum=m_portNum;
if (dlg->DoModal() == IDOK)
{
DWORD dwCommEvents = 0;
if (dlg->m_CommBreakDetected)
dwCommEvents |= EV_BREAK;
if (dlg->m_CommCTSDetected)
dwCommEvents |= EV_CTS;
if (dlg->m_CommDSRDetected)
dwCommEvents |= EV_DSR;
if (dlg->m_CommERRDetected)
dwCommEvents |= EV_ERR;
if (dlg->m_CommRingDetected)
dwCommEvents |= EV_RING;
if (dlg->m_CommRLSDDetected)
dwCommEvents |= EV_RLSD;
if (dlg->m_CommRxchar)
dwCommEvents |= EV_RXCHAR;
if (dlg->m_CommRxcharFlag)
dwCommEvents |= EV_RXFLAG;
if (dlg->m_CommTXEmpty)
dwCommEvents |= EV_TXEMPTY;
m_portNum=dlg->m_portNum;
if(m_Port.InitPort(this, m_portNum,
atoi(dlg->m_strBaudRate),
dlg->m_strParity[0],
atoi(dlg->m_strDataBits),
atoi(dlg->m_strStopBits),
dwCommEvents,
atoi(dlg->m_strSendBuffer)))
{
m_Port.StartMonitoring();
}
else
{
AfxMessageBox("串口未打开!");
}
}
delete dlg;
}
LONG CModbusTestDlg::OnCommunication(WPARAM Char, LPARAM num)
{
/*if(port!=COMPORT)
return 0;*/
unsigned char *ch;
unsigned char hChar,lChar;
ch = (unsigned char*)Char;
if((int)num>512)
{
TRACE("num = %d\n",(int)num);
}
for(int i=0;i<(int)num;i++)
{
hChar = ch[i]>>4;
lChar = (ch[i])%16;
if(hChar<10)
{
m_revString += (hChar+48);
}
else
{
m_revString += (hChar+55);
}
if(lChar<10)
{
m_revString += (lChar+48);
}
else
{
m_revString += (lChar+55);
}
m_revString += ' ';
}
m_receive.InsertString(-1,m_revString);
SYSTEMTIME curTime;
GetSystemTime(&curTime);
char timeStr[30];
sprintf(timeStr,"%d:%d:%d",curTime.wMinute,curTime.wSecond,curTime.wMilliseconds);
m_receive.InsertString(-1,timeStr);
m_revString.Empty();
//m_lastRevTime = CTime::GetCurrentTime();
/*if(m_receive.GetCount()>0)
m_receive.DeleteString(m_receive.GetCount()-1);
m_receive.InsertString(-1,m_revString);
m_sumRevChar++;
if(m_sumRevChar>10)
{
m_receive.InsertString(-1,"");
m_sumRevChar=0;
m_revString.Empty();
}
*/
return 0;
}
void CModbusTestDlg::OnBtnClr()
{
m_send.ResetContent();
m_receive.ResetContent();
m_sumRevChar =0;
}
void CModbusTestDlg::OnTimer(UINT nIDEvent)
{
switch(nIDEvent)
{
case 1000:
break;
case 1001:
OnButton2();
break;
}
CDialog::OnTimer(nIDEvent);
}