zhuantai.cpp

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// Zhuantai.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "Zhuantai.h"

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

/////////////////////////////////////////////////////////////////////////////
// CZhuantai dialog


CZhuantai::CZhuantai(CWnd* pParent /*=NULL*/)
	: CDialog(CZhuantai::IDD, pParent)
{
	//{{AFX_DATA_INIT(CZhuantai)
	m_from = _T("");
	m_to = _T("");
	//}}AFX_DATA_INIT
}


void CZhuantai::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CZhuantai)
	DDX_Control(pDX, IDOK, m_ok);
	DDX_Control(pDX, IDC_EDIT_TO, m_cto);
	DDX_Control(pDX, IDC_EDIT_FROM, m_cfrom);
	DDX_Text(pDX, IDC_EDIT_FROM, m_from);
	DDV_MaxChars(pDX, m_from, 20);
	DDX_Text(pDX, IDC_EDIT_TO, m_to);
	DDV_MaxChars(pDX, m_to, 20);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CZhuantai, CDialog)
	//{{AFX_MSG_MAP(CZhuantai)
	ON_EN_CHANGE(IDC_EDIT_FROM, OnChangeEditFrom)
	ON_EN_SETFOCUS(IDC_EDIT_FROM, OnSetfocusEditFrom)
	ON_EN_CHANGE(IDC_EDIT_TO, OnChangeEditTo)
	ON_EN_SETFOCUS(IDC_EDIT_TO, OnSetfocusEditTo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CZhuantai message handlers

void CZhuantai::OnOK() 
{
	SOCKET s_sock;
	struct sockaddr_in addrClient;
	int nCnt,i,j,sendlen;
	char sendbuf[257],recbuf[257];
	char from[257],to[257];
	unsigned short crc;

	
	UpdateData(TRUE);
	WideCharToMultiByte(CP_ACP,0,m_from,-1,from,255,NULL,NULL);
	WideCharToMultiByte(CP_ACP,0,m_to,-1,to,255,NULL,NULL);
	
	sprintf(sendbuf,"%c%s%c%s%c%s%c",0x03,from,0x1b,to,0x1b,oprid,0x1b);
	crc=0;
	sendlen=strlen(sendbuf);
	i=0;
	while (i<sendlen)
	{
		crc+=(unsigned char)sendbuf[i];
		i++;
	}
	sendbuf[i]=crc/256;
	sendbuf[i+1]=crc%256;
	sendbuf[i+2]=0;
	sendlen+=3;
	s_sock = socket (AF_INET, SOCK_STREAM, 0);
	if (s_sock == INVALID_SOCKET) 
	{
		MessageBox(TEXT("通讯失败,请检查设备"));
		//CDialog::OnCancel();
		return;
	}
    addrClient.sin_family=AF_INET;
	addrClient.sin_addr.s_addr=SAddr;
	addrClient.sin_port=portid;
		
	if (connect(s_sock, (struct sockaddr *)&addrClient, sizeof (addrClient))==SOCKET_ERROR ) 
	{
		closesocket(s_sock);
		MessageBox(TEXT("通讯失败,请检查设备"));
		//CDialog::OnCancel();
		return;
	}
	i=0;
	while (i<5)
	{
		i++;
		if (send (s_sock, sendbuf, sendlen, 0) == SOCKET_ERROR)
		{
			continue;
		}
		if ((nCnt=recv (s_sock, recbuf,256, 0)) == SOCKET_ERROR) 
		{
			continue;
		}
		crc=0;
		j=0;
		while (j<nCnt-3)
		{
			crc+=(unsigned char)recbuf[j];
			j++;
		}
		if (crc!=(unsigned char)recbuf[j]*256+(unsigned char)recbuf[j+1]) continue;
		if (recbuf[1]==0x01) continue;
		if (recbuf[1]==0x03)
		{
			closesocket(s_sock);
			MessageBox(TEXT("转台失败！"));
			return;
		}
		closesocket(s_sock);
		MessageBox(TEXT("转台成功！"));
		CDialog::OnOK();
		return;
	}
	closesocket(s_sock);
	MessageBox(TEXT("通讯失败,请检查设备"));
	//CDialog::OnCancel();
}

BOOL CZhuantai::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	HANDLE hFile;
	unsigned long len;

	hFile = CreateFile(CONFIGFILE, GENERIC_READ, FILE_SHARE_READ,
		  NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 	if (hFile==INVALID_HANDLE_VALUE) 
	{
		MessageBox(TEXT("打开配置文件失败，请点“配置”按钮重新配置"));
		return FALSE;
	}
	ReadFile(hFile,&SAddr,4,&len,NULL);
	ReadFile(hFile,&portid,2,&len,NULL);
	ReadFile(hFile,&taiweilen,4,&len,NULL);
	ReadFile(hFile,&caipulen,4,&len,NULL);
	ReadFile(hFile,oprid,20,&len,NULL);
	CloseHandle(hFile);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CZhuantai::OnChangeEditFrom() 
{
	UpdateData(TRUE);
	if (m_from.GetLength()>=taiweilen) m_cto.SetFocus();	
}

void CZhuantai::OnSetfocusEditFrom() 
{
	m_cfrom.SetSel(0,-1);	
}

void CZhuantai::OnChangeEditTo() 
{
	UpdateData(TRUE);
	if (m_to.GetLength()>=taiweilen) m_ok.SetFocus();	
	
}

void CZhuantai::OnSetfocusEditTo() 
{
	m_cto.SetSel(0,-1);
}