irdetect.cpp

ppWizard has created this irdetect application for you.

// irdetect.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "resource.h"

#define MAX_LOADSTRING 100
#define MAX_PORTS 6

// Global Variables:
HINSTANCE hInst;								// current instance
TCHAR szTitle[MAX_LOADSTRING];								// The title bar text
TCHAR szWindowClass[MAX_LOADSTRING];								// The title bar text
HANDLE hListBox;
HANDLE hBtnStart;

// Foward declarations of functions included in this code module:
ATOM				MyRegisterClass(HINSTANCE hInstance);
BOOL				InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
int DetectIRPort(void);

int WINAPI WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	MSG msg;
	HACCEL hAccelTable;

	// Initialize global strings
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_IRDETECT, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_IRDETECT);

	// Main message loop:
	while (GetMessage(&msg, NULL, 0, 0)) 
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}

	return msg.wParam;
}



//
//  FUNCTION: MyRegisterClass()
//
//  PURPOSE: Registers the window class.
//
//  COMMENTS:
//
//    This function and its usage is only necessary if you want this code
//    to be compatible with Win32 systems prior to the 'RegisterClassEx'
//    function that was added to Windows 95. It is important to call this function
//    so that the application will get 'well formed' small icons associated
//    with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASS wc;

    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.lpfnWndProc = (WNDPROC) WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInstance;
    wc.hIcon = 0;
    wc.hCursor = 0;
    wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName = 0;
    wc.lpszClassName = szWindowClass;

	return RegisterClass(&wc);
}

//
//   FUNCTION: InitInstance(HANDLE, int)
//
//   PURPOSE: Saves instance handle and creates main window
//
//   COMMENTS:
//
//        In this function, we save the instance handle in a global variable and
//        create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
   HWND hWnd;

   hInst = hInstance; // Store instance handle in our global variable

   hWnd = CreateWindow(szWindowClass, szTitle, WS_BORDER | WS_SYSMENU | WS_CAPTION | WS_VISIBLE,
      0, 0, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  FUNCTION: int DetectIRPort(void)
//
//  PURPOSE:  Detects the RAW IR port on the device.
//
//  RETURNS: int indicating port number of IR port
//
int DetectIRPort(void)
{
    int i, result;
    TCHAR * szPort;
    TCHAR szNum[4];
    HANDLE hPort;
    result = 0; //zero indicates error, could not find port
    szPort = (TCHAR *)LocalAlloc(LMEM_ZEROINIT, MAX_PATH);
    for (i=1; i <= MAX_PORTS; i++)
    {
        _tcscpy(szPort, TEXT("COM"));
        _itow(i, szNum, 10); //convert i to string
        _tcscat(szPort, szNum);
        _tcscat(szPort, TEXT(":"));
        SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)TEXT("Now testing port:"));
        SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szPort);
        SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)TEXT("..."));
        hPort = CreateFile(szPort, GENERIC_READ | GENERIC_WRITE,
            0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
        if (hPort != INVALID_HANDLE_VALUE)
        {
            if (EscapeCommFunction(hPort, SETIR))
            {
                SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)TEXT("IR Port Found!!!!!!!!!!!!!!!!!!"));
                SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szPort);
                result = i;
                CloseHandle(hPort);
                break;
            }
        }
        CloseHandle(hPort);                    
    }
    LocalFree(szPort);
    return result;
}


//
//  FUNCTION: WndProc(HWND, unsigned, WORD, LONG)
//
//  PURPOSE:  Processes messages for the main window.
//
//  WM_COMMAND	- process the application menu
//  WM_PAINT	- Paint the main window
//  WM_DESTROY	- post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps;
	HDC hdc;
	TCHAR szHello[MAX_LOADSTRING];
	LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);
	RECT rt;

	switch (message) 
	{
        case WM_CREATE:
            GetClientRect(hWnd, &rt);
            hListBox = CreateWindow(TEXT("LISTBOX"),TEXT(""), WS_BORDER | WS_VISIBLE | WS_VSCROLL,
                        0, 10, rt.right-90, rt.bottom-30, hWnd, NULL, hInst, 0);
            hBtnStart = CreateWindow(TEXT("BUTTON"),TEXT("Detect"), WS_VISIBLE,
                        rt.right-90, 10, 50 , 21, hWnd, NULL, hInst, 0);
            SetFocus(hBtnStart);
            break;
        case WM_COMMAND:
            if ((HWND)lParam == hBtnStart)
            {
                DetectIRPort();
            }
            break;
		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			// TODO: Add any drawing code here...

			GetClientRect(hWnd, &rt);
            rt.top = rt.bottom - 15;
			DrawText(hdc, szHello, _tcslen(szHello), &rt, DT_LEFT);
			EndPaint(hWnd, &ps);
			break;
		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}