#include "dioapp.h"
HANDLE hPort;
DWORD DIO_Dir;
DWORD dwBytesRead, dwBytesWritten;
DWORD settings;
hPort=CreateFile(TEXT("DIO1:"),	//port name (UNICODE compatible)
        GENERIC_READ | GENERIC_WRITE,	//open for read-write
	0,			//com port cannot be shared
	NULL,			//always NULL for Windows CE
	OPEN_EXISTING,	//for communication resource
	0,			//non-overlapped operation only
	NULL);			//always NULL for Windows CE

if(hPort!=INVALID_HANDLE_VALUE)
{
        DeviceIoControl(hPort,DIO_IOCTL_GET_DIRECTION,NULL,
                     0,&DIO_Dir,DIO_SIZE,&dwBytesRead,NULL);
	DIO_Dir |= 0x0000C000;//set bits 14 and 15 high to enable
                              //CPLDIO3 and 4 as outputs
	DeviceIoControl(hPort,DIO_IOCTL_SET_DIRECTION,&DIO_Dir,
                     DIO_SIZE,NULL,0,&dwBytesWritten,NULL);
		
	ReadFile(hPort,&settings,4,&dwBytesRead, NULL);
	while(1)
	{
	        settings &= 0xFFFFEFFF;//set bit 15 low
		WriteFile(hPort, &settings, 4, &dwBytesWritten, NULL);
		settings |= 0x00008000;//set bit 15 high
		WriteFile(hPort, &settings, 4, &dwBytesWritten, NULL);
	}
        CloseHandle(hPort);
}