How to make C++ give me a chance to inter a number while excuting? Post: 302793865

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Top Forums Programming How to make C++ give me a chance to inter a number while excuting? Post 302793865 by fwrlfo on Sunday 14th of April 2013 09:16:55 AM

04-14-2013

Registered User

How to make C++ give me a chance to inter a number while excuting?

Iam Trying to simulate a hardware "pci" by visual c++ program.....
" i don't have the hardware right now so i want to test my program"
the hardware is about to inter a number for example from switches compare it to other number also from switches.."which iam gonna take it from 1 textbox"...
1- inter first number
2- and then wait for strop on pin 3 of the switches " eg. sw3= 0...1...0 iam ready to read 2nd number"
3- inter the second number on the same text box....
4-then display the largest on leds which will be a message box for me

the problem is when I inter the first number i keep checking for the strop to be ready to inter next value but compiler keep checking and doesn't give me a chance to change the value of the textbox "not responding infinite loop"

this is the code

Code:

CString str1;
	CEdit *ptr1;
	double d; 
	
	
	unsigned long port = 0;
	unsigned char num1 = 0;
	unsigned char num2 = 0;
	unsigned char data = 0;
	unsigned char tempdata = 0;
	unsigned char check = 0;
	unsigned char begin_state;
	unsigned char l =0;

	ptr1= (CEdit*)GetDlgItem(DutyCycle);
	ptr1 -> GetWindowText(str1);
	d=atoi(str1);
	l = (unsigned char)d;

	tempdata = l & 15;
	check = tempdata/8;
	begin_state = check;
	int i=0;
	

	while (i<3)
	{
		ptr1= (CEdit*)GetDlgItem(DutyCycle);
		ptr1 -> GetWindowText(str1);
		d=atoi(str1);
		l = (unsigned char)d;

		tempdata = l & 15;
		check = tempdata / 8;

		unsigned char y2=0;
		unsigned char y3=0;

		y2 = l & 7;		
		y3 = l & 240;
   		y3 = y3 >> 1;
		num1 = y2 + y3;
		i++;
		CString S;
    	        S.Format("%d",num1);
		MessageBox("first number ="+ S);
		begin_state = check;

		while(check = begin_state)
		{	
			ptr1= (CEdit*)GetDlgItem(DutyCycle);
			ptr1 -> GetWindowText(str1);
			d=atoi(str1);
			l = (unsigned char)d;
			tempdata = l & 15;
			check = tempdata/8;
			if(check != begin_state)
			{break;}

		}

		CString S2;
    	        S2.Format("%d",check);
		MessageBox("bit3 ="+ S2);

		while(check != begin_state)
			{	
				ptr1= (CEdit*)GetDlgItem(DutyCycle);
				ptr1 -> GetWindowText(str1);
				d=atoi(str1);
				l = (unsigned char)d;
				tempdata = l & 15;
				check = tempdata/8;
				if(check == begin_state)
				{break;}

			}
			CString S3;
    		S3.Format("%d",check);
			MessageBox("bit3 ="+ S3);
		if(check == begin_state)
			 {
				y2 = l & 7;		
				y3 = l & 240;
   				y3 = y3>>1;
				num2 = y2 + y3;
				i++;

				CString S4;
    			S4.Format("%d",num2);
				MessageBox("second number ="+ S4);

				CString S5;
    				
				if(num1 >= num2)
					{
					 i++;

				   	 S5.Format("%d",num1);
					 MessageBox("the larger is ="+ S5);
					 

					}

				else
					{	
						i++;

						S5.Format("%d",num1);
						MessageBox("the larger is ="+ S5);
						
					}
				
				
			}
		
	}

how can I make the compiler to let me edit the text box while it's inside the while loop

fwrlfo

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LEARN ABOUT SUSE

sdl_videoinfo

SDL_VideoInfo(3)						 SDL API Reference						  SDL_VideoInfo(3)

NAME

       SDL_VideoInfo - Video Target information

STRUCTURE DEFINITION

       typedef struct{
	 Uint32 hw_available:1;
	 Uint32 wm_available:1;
	 Uint32 blit_hw:1;
	 Uint32 blit_hw_CC:1;
	 Uint32 blit_hw_A:1;
	 Uint32 blit_sw:1;
	 Uint32 blit_sw_CC:1;
	 Uint32 blit_sw_A:1;
	 Uint32 blit_fill;
	 Uint32 video_mem;
	 SDL_PixelFormat *vfmt;
       } SDL_VideoInfo;

STRUCTURE DATA

       hw_available	   Is it possible to create hardware surfaces?

       wm_available	   Is there a window manager available

       blit_hw		   Are hardware to hardware blits accelerated?

       blit_hw_CC	   Are hardware to hardware colorkey blits accelerated?

       blit_hw_A	   Are hardware to hardware alpha blits accelerated?

       blit_sw		   Are software to hardware blits accelerated?

       blit_sw_CC	   Are software to hardware colorkey blits accelerated?

       blit_sw_A	   Are software to hardware alpha blits accelerated?

       blit_fill	   Are color fills accelerated?

       video_mem	   Total amount of video memory in Kilobytes

       vfmt		   Pixel format of the video device

DESCRIPTION

       This  (read-only)  structure is returned by SDL_GetVideoInfo. It contains information on either the 'best' available mode (if called before
       SDL_SetVideoMode) or the current video mode.

SEE ALSO

       SDL_PixelFormat, SDL_GetVideoInfo

SDL
							      Tue 11 Sep 2001, 23:01						  SDL_VideoInfo(3)

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