📄 testcomdlg.cpp
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// TestComDlg.cpp : implementation file
//
#include "stdafx.h"
#include "TestCom.h"
#include "TestComDlg.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()
/////////////////////////////////////////////////////////////////////////////
// CTestComDlg dialog
CTestComDlg::CTestComDlg(CWnd* pParent /*=NULL*/)
: CDialog(CTestComDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CTestComDlg)
m_TxtR = _T("");
m_TxtS = _T("");
m_Cbo1 = _T("");
m_Cbo2 = _T("");
m_Cbo3 = _T("");
m_Cbo4 = _T("");
m_Cbo5 = _T("");
m_Chk1 = FALSE;
m_Chk2 = FALSE;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CTestComDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CTestComDlg)
DDX_Control(pDX, IDC_BUTTON2, m_CtrlBtn);
DDX_Control(pDX, IDC_EDIT1, m_CtrlTxtR);
DDX_Control(pDX, IDC_EDIT2, m_CtrlTxtS);
DDX_Control(pDX, IDC_COMBO5, m_CtrlCbo5);
DDX_Control(pDX, IDC_COMBO4, m_CtrlCbo4);
DDX_Control(pDX, IDC_COMBO3, m_CtrlCbo3);
DDX_Control(pDX, IDC_COMBO2, m_CtrlCbo2);
DDX_Control(pDX, IDC_COMBO1, m_CtrlCbo1);
DDX_Control(pDX, IDC_MSCOMM1, m_TestCom);
DDX_Text(pDX, IDC_EDIT1, m_TxtR);
DDX_CBString(pDX, IDC_COMBO1, m_Cbo1);
DDX_CBString(pDX, IDC_COMBO2, m_Cbo2);
DDX_CBString(pDX, IDC_COMBO3, m_Cbo3);
DDX_CBString(pDX, IDC_COMBO4, m_Cbo4);
DDX_CBString(pDX, IDC_COMBO5, m_Cbo5);
DDX_Check(pDX, IDC_CHECK1, m_Chk1);
DDX_Check(pDX, IDC_CHECK2, m_Chk2);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CTestComDlg, CDialog)
//{{AFX_MSG_MAP(CTestComDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDOK, OnSend)
ON_BN_CLICKED(IDC_BUTTON1, OnClear)
ON_CBN_SELCHANGE(IDC_COMBO2, OnSelchangeCbo2)
ON_CBN_SELCHANGE(IDC_COMBO3, OnSelchangeCbo3)
ON_CBN_SELCHANGE(IDC_COMBO4, OnSelchangeCbo4)
ON_CBN_SELCHANGE(IDC_COMBO5, OnSelchangeCbo5)
ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCbo1)
ON_BN_CLICKED(IDC_BUTTON2, OnChange)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTestComDlg message handlers
BOOL CTestComDlg::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_TestCom.GetPortOpen())
m_TestCom.SetPortOpen(FALSE);
m_TestCom.SetCommPort(1); //选择com1
if( !m_TestCom.GetPortOpen())
m_TestCom.SetPortOpen(TRUE);//打开串口
else
AfxMessageBox("cannot open serial port");
m_TestCom.SetSettings("115200,n,8,2"); //波特率115200，无校验，8个数据位，1个停止位
m_TestCom.SetInputMode(1); //以二进制方式检到数据
m_TestCom.SetRThreshold(1);
//参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件
m_TestCom.SetInputLen(0); //设置当前接收区数据长度为0
m_TestCom.GetInput();//先预读缓冲区以清除残留数据
m_CtrlCbo1.SetCurSel(0);
m_CtrlCbo2.SetCurSel(11);
m_CtrlCbo3.SetCurSel(0);
m_CtrlCbo4.SetCurSel(1);
m_CtrlCbo5.SetCurSel(1);
intflag=0;
return TRUE; // return TRUE unless you set the focus to a control
}
void CTestComDlg::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 CTestComDlg::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 CTestComDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
BEGIN_EVENTSINK_MAP(CTestComDlg, CDialog)
//{{AFX_EVENTSINK_MAP(CTestComDlg)
ON_EVENT(CTestComDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
void CTestComDlg::OnSend()
{
// TODO: Add your control notification handler code here
COleVariant varOutput; //输出类型
CByteArray hexdata;
m_CtrlTxtS.GetWindowText(m_TxtS); //取得文本框内容
int len=String2Hex(m_TxtS,hexdata); //此处返回的len可以用于计算发送了多少个十六进制数
varOutput = hexdata;
m_TestCom.SetOutput(COleVariant(varOutput));//发送数据
}
void CTestComDlg::OnComm()
{
// TODO: Add your control notification handler code here
VARIANT variant_inp;
COleSafeArray safearray_inp;
LONG len,k;
BYTE rxdata[2048]; //设置BYTE数组 An 8-bit integerthat is not signed.
CString strtemp;
if(m_TestCom.GetCommEvent()==2) //事件值为2表示接收缓冲区内有字符
{
variant_inp=m_TestCom.GetInput(); //读缓冲区
safearray_inp=variant_inp; //VARIANT型变量转换为ColeSafeArray型变量
len=safearray_inp.GetOneDimSize(); //得到有效数据长度
for(k=0;k<len;k++)
safearray_inp.GetElement(&k,rxdata+k);//转换为BYTE型数组
}
DoWithData(rxdata,len);
}
//由于这个转换函数的格式限制，在发送框中的十六制字符应该每两个字符之间插入一个空隔
//如：A1 23 45 0B 00 29
//CByteArray是一个动态字节数组，可参看MSDN帮助
//这个函数
int CTestComDlg::String2Hex(CString str, CByteArray &senddata)
{
int hexdata,lowhexdata;
int hexdatalen=0;
int len=str.GetLength();
senddata.SetSize(len/2);
for(int i=0;i<len;)
{
char lstr,hstr=str[i];
if(hstr==' ')
{
i++;
continue;
}
i++;
if(i>=len)
break;
lstr=str[i];
hexdata=ConvertHexChar(hstr);
lowhexdata=ConvertHexChar(lstr);
if((hexdata==16)||(lowhexdata==16))
break;
else
hexdata=hexdata*16+lowhexdata;
i++;
senddata[hexdatalen]=(char)hexdata;
hexdatalen++;
}
senddata.SetSize(hexdatalen);
return hexdatalen;
}
//这是一个将字符转换为相应的十六进制值的函数
//功能：若是在0-F之间的字符，则转换为相应的十六进制字符，否则返回-1
char CTestComDlg::ConvertHexChar(char ch)
{
if((ch>='0')&&(ch<='9'))
return ch-0x30;
else if((ch>='A')&&(ch<='F'))
return ch-'A'+10;
else if((ch>='a')&&(ch<='f'))
return ch-'a'+10;
else
return (-1);
}
void CTestComDlg::OnClear()
{
// TODO: Add your control notification handler code here
m_TxtR.Empty(); //清除发送对话框中的数据
UpdateData(FALSE);
}
void CTestComDlg::SetCom()
{
CString strtemp;
int i;
UpdateData(TRUE); //读取编辑框内容
i=m_CtrlCbo1.GetCurSel()+1;
if(m_TestCom.GetPortOpen())
m_TestCom.SetPortOpen(FALSE);
m_TestCom.SetCommPort(i); //选择com
if( !m_TestCom.GetPortOpen())
m_TestCom.SetPortOpen(TRUE);//打开串口
else
AfxMessageBox("cannot open serial port");
strtemp=m_Cbo2;
if(m_Cbo3=="NONE无")
{
strtemp+=",n,"+m_Cbo4+","+m_Cbo5;
}
else if(m_Cbo3=="ODD 奇")
{
strtemp+=",o,"+m_Cbo4+","+m_Cbo5;
}
else
{
strtemp+=",e,"+m_Cbo4+","+m_Cbo5;
}
m_TestCom.SetSettings(strtemp); //波特率9600，无校验，8个数据位，1个停止位
m_TestCom.SetInputMode(1); //以二进制方式检到数据
m_TestCom.SetRThreshold(1);
//参数1表示每当串口接收缓冲区中有多于或等于1个字符时将引发一个接收数据的OnComm事件
m_TestCom.SetInputLen(0); //设置当前接收区数据长度为0
m_TestCom.GetInput();//先预读缓冲区以清除残留数据
}
void CTestComDlg::OnSelchangeCbo1()
{
// TODO: Add your control notification handler code here
SetCom();
}
void CTestComDlg::OnSelchangeCbo2()
{
// TODO: Add your control notification handler code here
SetCom();
}
void CTestComDlg::OnSelchangeCbo3()
{
// TODO: Add your control notification handler code here
SetCom();
}
void CTestComDlg::OnSelchangeCbo4()
{
// TODO: Add your control notification handler code here
SetCom();
}
void CTestComDlg::OnSelchangeCbo5()
{
// TODO: Add your control notification handler code here
SetCom();
}
void CTestComDlg::OnChange()
{
// TODO: Add your control notification handler code here
CString strTmp;
m_CtrlBtn.GetWindowText(strTmp);
if(strTmp=="关闭串口")
{
m_TestCom.SetPortOpen(FALSE);
m_CtrlBtn.SetWindowText("打开串口");
}
else
{
SetCom();
m_CtrlBtn.SetWindowText("关闭串口");
}
}
void CTestComDlg::DoWithData(unsigned char * data, int len)
{
int i,dataLen;
CString strtemp;
for(i=0; i<len; i++)
recDataString.Add(data[i]); //add接收到的数据
dataLen=recDataString.GetSize(); //取得recDataString长度
if(intflag==0)
{
for(i=0;i<dataLen;i++)
{
if (dataLen >1 && recDataString[0]==0xaa && intflag==0)
{
recDataString.RemoveAt(0,1); //去除应答0xaa
intflag=recDataString[0];
m_TxtR+="数据长度为";
strtemp.Format("%d ",recDataString[0]); //将字符以十六进制方式送入临时变量strtemp存放，注意这里加入一个空隔
m_TxtR+=strtemp;
m_TxtR+="个，内容如下：\r\n"; //加入接收编辑框对应字符串
recDataString.RemoveAt(0,1); //去除长度
break;
}
else
{
recDataString.RemoveAt(0,1); //去除错误数据
dataLen=recDataString.GetSize();
}
}
}
dataLen=recDataString.GetSize();
if(intflag<=0)
{
intflag=0;
recDataString.RemoveAt(0,dataLen);
}
else
{
for(i=0;i<dataLen;i++) //将数组转换为Cstring型变量
{
strtemp.Format("%02X ",recDataString[i]); //将字符以十六进制方式送入临时变量strtemp存放，注意这里加入一个空隔
m_TxtR+=strtemp; //加入接收编辑框对应字符串
intflag--;
if(intflag==0)
{
m_TxtR+="\r\n\r\n"; //回车，换行
break;
}
}
UpdateData(FALSE); //更新编辑框内容
recDataString.RemoveAt(0,dataLen);
}
}
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