commappdlg.cpp

WinCE下的串口收发程序

// COMMAppDlg.cpp : implementation file
//

#include "stdafx.h"
#include "COMMApp.h"
#include "COMMAppDlg.h"
#include "Comm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
PIOREG pIOReg;
DWORD dwTStat;
HANDLE hPAHandle;
CEdit *pm_Edit;
CEdit *pm_Send;
CEdit *pm_Status;

/////////////////////////////////////////////////////////////////////////////
// CCOMMAppDlg dialog

CCOMMAppDlg::CCOMMAppDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCOMMAppDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCOMMAppDlg)
	m_Radio485 = -1;
	m_RadioIrda = -1;
	m_Radio232 = -1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCOMMAppDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCOMMAppDlg)
	DDX_Control(pDX, IDC_RADIO_485, m_ButtonRadio485);
	DDX_Control(pDX, IDC_RADIO_RS232, m_ButtonRadio232);
	DDX_Control(pDX, IDC_RADIO_IrDA, m_ButtonRadioIrda);
	DDX_Control(pDX, IDC_EDIT4, m_Status);
	DDX_Control(pDX, IDC_EDIT3, m_Send);
	DDX_Control(pDX, IDC_COMBO2, m_BaudRate);
	DDX_Control(pDX, IDC_COMBO1, m_CommItem);
	DDX_Control(pDX, IDC_BUTTON2, m_ButtonState);
	DDX_Control(pDX, IDC_EDIT1, m_Edit);
	DDX_Radio(pDX, IDC_RADIO_485, m_Radio485);
	DDX_Radio(pDX, IDC_RADIO_IrDA, m_RadioIrda);
	DDX_Radio(pDX, IDC_RADIO_RS232, m_Radio232);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCOMMAppDlg, CDialog)
	//{{AFX_MSG_MAP(CCOMMAppDlg)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_CBN_SELCHANGE(IDC_COMBO1, OnSelchangeCombo1)
	ON_CBN_SELCHANGE(IDC_COMBO2, OnSelchangeCombo2)
	ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
	ON_BN_CLICKED(IDC_BUTTON1, OnClear)
	ON_BN_CLICKED(IDC_RADIO_RS232, OnRadioRs232)
	ON_BN_CLICKED(IDC_RADIO_IrDA, OnRADIOIrDA)
	ON_BN_CLICKED(IDC_RADIO_485, OnRadio485)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCOMMAppDlg message handlers

BOOL CCOMMAppDlg::OnInitDialog()
{
	PAI pai;
	PIOREG pIOReg=0;
	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
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	// TODO: Add extra initialization here
	pm_Edit = &m_Edit;
	pm_Send = &m_Send;
	pm_Status = &m_Status;

	ComObj[0].DeviceName=L"COM1:";
	ComObj[0].Mode=COM_MODE_RS232;
	ComObj[0].BaudRate=0;
	ComObj[0].OpenState=FALSE;

	ComObj[1].DeviceName=L"COM2:";
	ComObj[1].BaudRate=0;
	ComObj[1].Mode=COM_MODE_RS232;
	ComObj[1].OpenState=FALSE;

	ComObj[2].DeviceName=L"COM3:";
	ComObj[2].BaudRate=0;
	ComObj[2].Mode=COM_MODE_RS232;
	ComObj[2].OpenState=FALSE;

	m_CommItem.SetCurSel(0);
	m_BaudRate.SetCurSel(0);
	OnRadioRs232();
	hPAHandle = CreateFile( L"PAX1:", GENERIC_READ | GENERIC_WRITE, 0,NULL,OPEN_EXISTING, 0, NULL );
	if( hPAHandle == INVALID_HANDLE_VALUE ) 
		{
		pm_Status->SetWindowText(TEXT("Cannot Open PAX!"));
		return FALSE;
		}
	pm_Status->SetWindowText(TEXT("PAX Opened!"));
//map the physical address
	pai.PhyAddr=(DWORD)IOP_BASE;
	pai.MemLen=sizeof(IOREG);
	DeviceIoControl(hPAHandle,PAX_CODE_ALLOC,(PVOID)&pai,sizeof(PAI),NULL,0,NULL,NULL);
//modify the physical address
	pai.AccessOffset=(DWORD)&(pIOReg->rGPHCON);
	pai.AccessRange=1;
	pai.BitMask=3ul<<2;
	pai.BitValue=1ul<<2;
	pai.SubCode=PAX_SUBCODE_MODIFY;
	DeviceIoControl(hPAHandle,PAX_CODE_WRITE,(PVOID)&pai,sizeof(PAI),NULL,0,NULL,NULL);
//modify the physical address
	pai.AccessOffset=(DWORD)&(pIOReg->rGPHDAT);
	pai.AccessRange=1;
	pai.BitMask=1ul<<1;
	pai.BitValue=0;
	pai.SubCode=PAX_SUBCODE_MODIFY;
	DeviceIoControl(hPAHandle,PAX_CODE_WRITE,(PVOID)&pai,sizeof(PAI),NULL,0,NULL,NULL);
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CCOMMAppDlg::RefreshControl()
{
	PCOMOBJ pComObj=&ComObj[m_CommItem.GetCurSel()];
	//set the baudrate combobox
	m_BaudRate.SetCurSel(pComObj->BaudRate);
	//set the mode radio button
	switch(pComObj->Mode)
	{
	case COM_MODE_IRDA:
			OnRADIOIrDA();
			break;
	case COM_MODE_RS485:
			OnRadio485();
			break;
	case COM_MODE_RS232:
			OnRadioRs232();
			break;
	default:
			OnRadioRs232();
	}

	if(!pComObj->OpenState)
	{
		m_ButtonState.SetWindowText(L"Open");
		m_BaudRate.EnableWindow(TRUE);
		m_ButtonRadio232.EnableWindow(TRUE);
		m_ButtonRadioIrda.EnableWindow(TRUE);
		m_ButtonRadio485.EnableWindow(TRUE);

	}
	else
	{
		m_ButtonState.SetWindowText(L"Close");
		m_BaudRate.EnableWindow(FALSE);
		m_ButtonRadio232.EnableWindow(FALSE);
		m_ButtonRadioIrda.EnableWindow(FALSE);
		m_ButtonRadio485.EnableWindow(FALSE);

	}
}	
void CCOMMAppDlg::OnButton2() 
{
	// TODO: Add your control notification handler code here
	unsigned long BR[] = {1200,2400,4800,9600,14400,19200,38400,56000,57600,115200};//BaudRate

	PCOMOBJ pComObj=&ComObj[m_CommItem.GetCurSel()];
	if(!pComObj->OpenState)
		{
		//Init COM
		CommInit(pComObj,BR[pComObj->BaudRate]);
		//Change the Button Caption
		pComObj->OpenState=TRUE;
		//Create a thread
		if(!GetExitCodeThread(pComObj->htRcvThread, &dwTStat)||!GetExitCodeThread(pComObj->htXmitThread, &dwTStat)||
				(dwTStat != STILL_ACTIVE))
			{
			pComObj->htRcvThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)CommRcv,pComObj,0,&dwTStat);
			if(pComObj->htRcvThread)CloseHandle(pComObj->htRcvThread);

			pComObj->htXmitThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)CommTrans,pComObj,0,&dwTStat);
			if(pComObj->htXmitThread)CloseHandle(pComObj->htXmitThread);
			}

		pComObj->hevWriteEnable = CreateEvent(NULL,FALSE,FALSE,NULL);
	//	g_hevReadEnable = CreateEvent(NULL,FALSE,FALSE,NULL);

		}
	else
		{
		pComObj->OpenState = FALSE;
		//Change the caption
		pComObj->OpenState=FALSE;
		pm_Status->SetWindowText(TEXT("COM Closed!"));
		GetExitCodeThread(pComObj->htRcvThread, &dwTStat);
		TerminateThread(pComObj->htRcvThread,dwTStat);

		GetExitCodeThread(pComObj->htXmitThread, &dwTStat);
		TerminateThread(pComObj->htXmitThread,dwTStat);

		if(pComObj->DeviceHandle != NULL)  
			{
			CloseHandle(pComObj->DeviceHandle);
			pComObj->DeviceHandle = NULL;
			}
		}
	RefreshControl();
}

void CCOMMAppDlg::OnSelchangeCombo1() 
{
	// TODO: Add your control notification handler code here
	RefreshControl();

}

void CCOMMAppDlg::OnSelchangeCombo2() 
{
	// TODO: Add your control notification handler code here

	ComObj[m_CommItem.GetCurSel()].BaudRate = m_BaudRate.GetCurSel();	
}

void CCOMMAppDlg::OnButton3() 
{
	// TODO: Add your control notification handler code here
	//Set the Write Event
	SetEvent(ComObj[m_CommItem.GetCurSel()].hevWriteEnable);
}

void CCOMMAppDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	pm_Edit->SetSel(0,-1);
	pm_Edit->Clear();
}

void CCOMMAppDlg::OnRadioRs232() 
{
	// TODO: Add your control notification handler code here
	m_Radio232=0;
	m_Radio485=1;
	m_RadioIrda=1;
	ComObj[m_CommItem.GetCurSel()].Mode=COM_MODE_RS232;
	UpdateData(FALSE);

}

void CCOMMAppDlg::OnRADIOIrDA() 
{
	// TODO: Add your control notification handler code here
	m_Radio232=1;
	m_Radio485=1;
	m_RadioIrda=0;
	ComObj[m_CommItem.GetCurSel()].Mode=COM_MODE_IRDA;
	UpdateData(FALSE);
	
}

void CCOMMAppDlg::OnRadio485() 
{
	// TODO: Add your control notification handler code here
	m_Radio232=1;
	m_Radio485=0;
	m_RadioIrda=1;
	ComObj[m_CommItem.GetCurSel()].Mode=COM_MODE_RS485;
	UpdateData(FALSE);
	
}

void CCOMMAppDlg::OnCancel() 
{
	PAI pai;
	DeviceIoControl(hPAHandle,PAX_CODE_FREE,(PVOID)&pai,sizeof(PAI),NULL,0,NULL,NULL);

	// TODO: Add extra cleanup here
	if(hPAHandle != NULL)  
	{
		CloseHandle(hPAHandle);
		hPAHandle = NULL;
	}

	CDialog::OnCancel();
}

void CCOMMAppDlg::OnOK() 
{
	// TODO: Add extra validation here
	if(hPAHandle != NULL)  
	{
		CloseHandle(hPAHandle);
		hPAHandle = NULL;
	}

	CDialog::OnOK();
}