purposedlg.cpp

pc和松下触摸屏通讯（general purpose）协议

// purposeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "purpose.h"
#include "purposeDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPurposeDlg dialog

CPurposeDlg::CPurposeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPurposeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPurposeDlg)
	m_strRXData = _T("");
	m_strTXData = _T("");
	m_ReadAddr = _T("");
	m_ReadCommand = _T("");
	m_ReadData = _T("");
	m_ReadLen = _T("");
	m_SendAddr = _T("");
	m_SendCommand = _T("");
	m_SendData = _T("");
	m_SendLen = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPurposeDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPurposeDlg)
	DDX_Control(pDX, IDC_RISIVE, m_ctrlHexDisplay);
	DDX_Control(pDX, IDC_HEXSEND, m_ctrlHexSend);
	DDX_Control(pDX, IDC_MSCOMM1, m_ctrlComm);
	DDX_Text(pDX, IDC_READ, m_strRXData);
	DDX_Text(pDX, IDC_SEND, m_strTXData);
	DDX_Text(pDX, IDC_READADDR, m_ReadAddr);
	DDX_Text(pDX, IDC_READCOMMAND, m_ReadCommand);
	DDX_Text(pDX, IDC_READDATA, m_ReadData);
	DDX_Text(pDX, IDC_READLEN, m_ReadLen);
	DDX_Text(pDX, IDC_SENDADDR, m_SendAddr);
	DDX_Text(pDX, IDC_SENDCOMMAND, m_SendCommand);
	DDX_Text(pDX, IDC_SENDDATA, m_SendData);
	DDX_Text(pDX, IDC_SENDLEN, m_SendLen);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPurposeDlg, CDialog)
	//{{AFX_MSG_MAP(CPurposeDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDOK, OnSend)
	ON_BN_CLICKED(IDC_BUTTON3, OnClrRead)
	ON_BN_CLICKED(IDC_BUTTON4, OnClrSend)
	ON_BN_CLICKED(IDC_BUTTON1, OnSendChange)
	ON_BN_CLICKED(IDC_BUTTON2, OnReadChange)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPurposeDlg message handlers

BOOL CPurposeDlg::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
	
	if(m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(FALSE);
	
	m_ctrlComm.SetCommPort(2); //选择com1
	if( !m_ctrlComm.GetPortOpen())
		m_ctrlComm.SetPortOpen(TRUE);//打开串口
	else
		AfxMessageBox("cannot open serial port");
	
	m_ctrlComm.SetSettings("9600,n,8,1"); //波特率9600，无校验，8个数据位，1个停止位 
	
	m_ctrlComm.SetInputMode(1); //1：表示以二进制方式检取数据
	m_ctrlComm.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_ctrlComm.SetInputLen(0); //设置当前接收区数据长度为0
	m_ctrlComm.GetInput();//先预读缓冲区以清除残留数据
	

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CPurposeDlg::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 CPurposeDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BEGIN_EVENTSINK_MAP(CPurposeDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CPurposeDlg)
	ON_EVENT(CPurposeDlg, IDC_MSCOMM1, 1 /* OnComm */, OnComm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CPurposeDlg::OnComm() 
{
	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_ctrlComm.GetCommEvent()==2) //事件值为2表示接收缓冲区内有字符
	{
		variant_inp=m_ctrlComm.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
		for(k=0;k<len;k++) //将数组转换为Cstring型变量
		{
			BYTE bt=*(char*)(rxdata+k); //字符型
			if(m_ctrlHexDisplay.GetCheck())
				strtemp.Format("%02X ",bt); //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
			else 
				strtemp.Format("%c",bt); //将字符送入临时变量strtemp存放
			
			m_strRXData+=strtemp; //加入接收编辑框对应字符串 
		}
	}
	this->SetDlgItemText(IDC_READ,m_strRXData);
}

void CPurposeDlg::OnSend() 
{
	this->GetDlgItemText(IDC_SEND,m_strTXData);//从发送编辑框中读取数据存到m_strTXData中
	//this->SetDlgItemText(IDC_READ,m_strTXData);
	//m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送数据
	
	//UpdateData(TRUE); //读取编辑框内容
	if(m_ctrlHexSend.GetCheck())
	{
		CByteArray hexdata;
		int len=String2Hex(m_strTXData,hexdata); //此处返回的len可以用于计算发送了多少个十六进制数
		m_ctrlComm.SetOutput(COleVariant(hexdata)); //发送十六进制数据
	}
	else 
		m_ctrlComm.SetOutput(COleVariant(m_strTXData));//发送ASCII字符数据
}

void CPurposeDlg::OnClrRead() 
{
	m_strRXData = "";
	m_ReadData = "";
	m_ReadAddr = "";
	m_ReadLen = "";
	m_ReadCommand = "";
	//this->SetDlgItemText(IDC_READ,m_strRXData);
	this->UpdateData(FALSE);
}

void CPurposeDlg::OnClrSend() 
{
	m_strTXData = "";
	this->SetDlgItemText(IDC_SEND,m_strTXData);
}

int CPurposeDlg::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;
}

char CPurposeDlg::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 CPurposeDlg::OnSendChange() 
{
	int i;
	CString strtemp;
	
	this->GetDlgItemText(IDC_SENDADDR,m_SendAddr);
	this->GetDlgItemText(IDC_SENDCOMMAND,m_SendCommand);
	this->GetDlgItemText(IDC_SENDLEN,m_SendLen);
	this->GetDlgItemText(IDC_SENDDATA,m_SendData);
	
	m_strTXData = "?01" + m_SendCommand + m_SendAddr + m_SendLen + m_SendData;
	int len = m_strTXData.GetLength();
	for(i=0;i<len;i++)
	{
		txdata[i] = m_strTXData[i];
	}
	BCC(txdata,len);
	m_strTXData = "";
	for(i=0;i<len+3;i++)
	{
		BYTE bt=*(char*)(txdata+i);
		strtemp.Format("%02X ",bt);
		m_strTXData += strtemp;
	}
	this->SetDlgItemText(IDC_SEND,m_strTXData);
}

//DEL char CPurposeDlg::ConverCharHex(char ch)
//DEL {
//DEL 	return (-1);
//DEL }

void CPurposeDlg::BCC(unsigned char *data, unsigned int lenth)
{
	unsigned char change,changa;
	unsigned int i;
	change = data[0];
	for(i=1;i<lenth;i++)
	{
		change = change^data[i];
	}
	
	changa = (change&0xf0)>>4;
	if(changa>9)
		data[lenth] = changa+0x37;
	else
		data[lenth] = changa+0x30;
	
	changa = change&0x0f;
	if(changa>9)
		data[lenth+1] = changa+0x37;
	else
		data[lenth+1] = changa+0x30;
	data[lenth+2] = 0x0d;
}

void CPurposeDlg::OnReadChange() 
{
	//int j = 0;
	this->GetDlgItemText(IDC_READ,m_strRXData);
	int len;
	/*int len = m_strRXData.GetLength();
	for(int i=0;i<len;i++)
	{
		if(m_strRXData[i] == ' ')
			continue;
		else
		rxdata[j++] = m_strRXData[i];
	}*/
	//m_strRXData = "";
	m_ReadAddr = "";
	m_ReadData = "";
	m_ReadLen = "";
	m_ReadCommand = "";
	len = String2Hex(m_strRXData,rxdata);
	ChangeTo(rxdata,len);
	this->UpdateData(FALSE);
}

//DEL void CPurposeDlg::ChangeTo()
//DEL {
//DEL 
//DEL }

void CPurposeDlg::ChangeTo(unsigned char *data, unsigned int loc)
{
	CString strtemp;
	if(loc>9)
	{
		if((data[0]=='?')&&(data[1]=='0')&&(data[2]=='1'))
		{
			if((data[3]=='S')&&(data[4]=='R')&&(data[5]=='R')) //SRR COMMAND
			{
				if(loc == 15)
				{
					strtemp.Format("%c",data[6]);
					m_ReadAddr = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[8]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[9]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[10]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[11]);
					m_ReadData += strtemp;
					this->SetDlgItemText(IDC_READADDR,m_ReadAddr);
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
				}
				else if(loc == 11)
				{
					strtemp.Format("%c",data[6]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadData += strtemp;
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
				}
				else if(loc == 30)
				{
					strtemp.Format("%c",data[6]);
					m_ReadAddr = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[8]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[9]);
					m_ReadAddr += strtemp;
					/*strtemp.Format("%c",data[10]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[11]);
					m_ReadData += strtemp;*/
					m_ReadData = "on/off";
					this->SetDlgItemText(IDC_READADDR,m_ReadAddr);
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
				}
				/*m_ReadCommand = "SRR";
				this->SetDlgItemText(IDC_READCOMMAND,m_ReadCommand);*/
			}

			else if((data[3]=='W')&&(data[4]=='D')&&(data[5]=='R')) //WDR COMMAND
			{
				if(loc == 13)
				{
					strtemp.Format("%c",data[6]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[8]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[9]);
					m_ReadData += strtemp;
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
				}
				else if(loc == 17)
				{
					strtemp.Format("%c",data[6]);
					m_ReadAddr = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[8]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[9]);
					m_ReadAddr += strtemp;

					strtemp.Format("%c",data[10]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[11]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[12]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[13]);
					m_ReadData += strtemp;
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
					this->SetDlgItemText(IDC_READADDR,m_ReadAddr);
				}
				else if(loc == 21)
				{
					strtemp.Format("%c",data[6]);
					m_ReadAddr = strtemp;
					strtemp.Format("%c",data[7]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[8]);
					m_ReadAddr += strtemp;
					strtemp.Format("%c",data[9]);
					m_ReadAddr += strtemp;

					strtemp.Format("%c",data[10]);
					m_ReadLen = strtemp;
					strtemp.Format("%c",data[11]);
					m_ReadLen += strtemp;
					strtemp.Format("%c",data[12]);
					m_ReadLen += strtemp;
					strtemp.Format("%c",data[13]);
					m_ReadLen += strtemp;

					strtemp.Format("%c",data[14]);
					m_ReadData = strtemp;
					strtemp.Format("%c",data[15]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[16]);
					m_ReadData += strtemp;
					strtemp.Format("%c",data[17]);
					m_ReadData += strtemp;
					this->SetDlgItemText(IDC_READDATA,m_ReadData);
					this->SetDlgItemText(IDC_READADDR,m_ReadAddr);
					this->SetDlgItemText(IDC_READLEN,m_ReadLen);
				}
			}

			strtemp.Format("%c",data[3]);
			m_ReadCommand = strtemp;
			strtemp.Format("%c",data[4]);
			m_ReadCommand += strtemp;
			strtemp.Format("%c",data[5]);
			m_ReadCommand += strtemp;
			this->SetDlgItemText(IDC_READCOMMAND,m_ReadCommand);
		}
	}
}

int CPurposeDlg::String2Hex(CString str, unsigned char *data)
{
	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++;
		data[hexdatalen]=(char)hexdata;
		hexdatalen++;
	}
	//senddata.SetSize(hexdatalen);
	return hexdatalen;
}