// RS232Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "RS232.h"
#include "RS232Dlg.h"

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

#define WM_RECEIVE WM_USER + 121
/////////////////////////////////////////////////////////////////////////////
// CRS232Dlg dialog

CRS232Dlg::CRS232Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRS232Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRS232Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CRS232Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRS232Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRS232Dlg, CDialog)
	//{{AFX_MSG_MAP(CRS232Dlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_MESSAGE(WM_RECEIVE, OnReceiveData)
	ON_BN_CLICKED(IDC_BTNOPEN, OnBtnopen)
	ON_BN_CLICKED(IDC_BTNCLOSE, OnBtnclose)
	ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
	ON_BN_CLICKED(IDC_BTNSEND, OnBtnsend)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRS232Dlg message handlers

BOOL CRS232Dlg::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
	
	// TODO: Add extra initialization here
	CComboBox *cb = (CComboBox *)GetDlgItem(IDC_CBCOMNAME);
	cb->SetCurSel(0);
	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 CRS232Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		// 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 CRS232Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CRS232Dlg::OnBtnopen() 
{
	if (m_Comm.IsActive())
	{
		m_Comm.Close();
	}

	CString ComName(_T(""));
	CComboBox *cb = (CComboBox *)GetDlgItem(IDC_CBCOMNAME);
	int nCom = cb->GetCurSel() + 1;
	
	if (!m_Comm.Open(nCom))
	{
		CString serr;
		serr.Format(_T("Open comm fail : %d"), m_Comm.m_Error);
		GetDlgItem(IDC_COMSTAT)->SetWindowText(serr);
		return;
	}

	ComName.Format(_T("COM%d: opened"), nCom);
	GetDlgItem(IDC_COMSTAT)->SetWindowText(ComName);
	m_Comm.m_OnReceive = OnReceive;
	if (!m_Comm.StartAutoRead())
	{
		AfxMessageBox(_T("Comm autoread fail"));
	}
}

void CRS232Dlg::OnReceive(CSerialComm *theCom)
{
	int len = theCom->GetInBufferLen();
	if (len > 0)
	{
		char *buf = new char[len];

		if (theCom->ReadBuf(buf, len) > 0)
		{
			CString sRecv(_T("")), stmp(_T(""));
			for (int i = 0; i < len; i++)
			{
				stmp.Format(_T("%02x "), (BYTE)buf[i]);
				sRecv += stmp;
				stmp = _T("");
			}

			theCom->SendBuf(buf, len);
			::SendMessage(theApp.m_pMainWnd->m_hWnd, WM_RECEIVE, 0, (LPARAM)sRecv.GetBuffer(1));
		}

		delete []buf;
	}
}

HRESULT CRS232Dlg::OnReceiveData(WPARAM wParam, LPARAM lParam)
{
	GetDlgItem(IDC_RECV)->SetWindowText((TCHAR *)lParam);
	return 0;
}

void CRS232Dlg::OnBtnclose() 
{
	m_Comm.Close();	
}

void CRS232Dlg::OnButton4() 
{
	EndDialog(IDOK);	
}

void CRS232Dlg::OnBtnsend()
{
	CString strSnd(_T(""));
	GetDlgItem(IDC_SEND)->GetWindowText(strSnd);
	int len = strSnd.GetLength();
	char *buf = new char[len + 1];
	BOOL bUse = FALSE;
	WideCharToMultiByte(0, 0, strSnd.GetBuffer(1), len, buf, len, NULL, &bUse);
	if (!m_Comm.SendBuf(buf, len))
	{
		AfxMessageBox(_T("Send fail"));
	}

	delete []buf;
}

void CRS232Dlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	
}