/*  * hopf_PCI_io.c * Read data from a hopf PCI clock using the ATLSoft WinNT driver. * * Date: 21.03.2000 Revision: 01.10  * * Copyright (C) 1999, 2000 by Bernd Altmeier altmeier@ATLSoft.de *  */#include <windows.h>#include <stdio.h>#include <stdlib.h>#include <winioctl.h>#include "hopf_PCI_io.h"#include <stddef.h>#define ATL_PASSTHROUGH_READ_TOSIZE		3*sizeof(ULONG)		#define ATL_PASSTHROUGH_READ_FROMSIZE	0				#define IOCTL_ATLSOFT_PASSTHROUGH_READ	CTL_CODE(	\						FILE_DEVICE_UNKNOWN,		\						0x805,						\						METHOD_BUFFERED,			\						FILE_ANY_ACCESS)HANDLE	hDevice = NULL;	// this is the handle to the PCI DeviceHANDLE				hRdEvent;OVERLAPPED			Rdoverlapped;OVERLAPPED			*pRdOverlapped;ULONG				iobuffer[256];DWORD				cbReturned;BOOL				HaveBoard = FALSE; struct{	ULONG	region;	ULONG	offset;	ULONG	count;	}io_params;BOOL OpenHopfDevice(){		OSVERSIONINFO			VersionInfo;		ULONG					deviceNumber;		CHAR					deviceName[255];	    typedef DWORD(WINAPI *OPENVXDHANDLE)(HANDLE);		OPENVXDHANDLE  OpenVxDHandle = (OPENVXDHANDLE) GetProcAddress(GetModuleHandle("KERNEL32"),"OpenVxDHandle");						VersionInfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);		GetVersionEx(&VersionInfo);		switch(VersionInfo.dwPlatformId)		{			case VER_PLATFORM_WIN32_WINDOWS:	// Win95/98				return(FALSE);	//	"NTP does not support Win 95-98."			break;			case VER_PLATFORM_WIN32_NT:	// WinNT				deviceNumber=0;					sprintf(deviceName,"\\\\.\\hclk6039%d",deviceNumber+1);				hDevice=CreateFile(					deviceName,					GENERIC_WRITE|GENERIC_READ,								FILE_SHARE_WRITE|FILE_SHARE_READ,						NULL,													OPEN_EXISTING,											FILE_FLAG_DELETE_ON_CLOSE | FILE_FLAG_OVERLAPPED,					NULL);			break;			default:				hDevice=INVALID_HANDLE_VALUE;			break;		} // end switch		if ( hDevice == INVALID_HANDLE_VALUE ) // the system didn't return a handle		{			return(FALSE);  //"A handle to the driver could not be obtained properly"		}			hRdEvent=CreateEvent(NULL,	// an event to be used for async transfers								TRUE,									FALSE,									NULL);				if ( hRdEvent == INVALID_HANDLE_VALUE ) 				return(FALSE);  // the system didn't return a handle			pRdOverlapped=&Rdoverlapped;			pRdOverlapped->hEvent=hRdEvent;	HaveBoard = TRUE; // board installed and we have access	return TRUE;} // end of OpenHopfDevice()BOOL  CloseHopfDevice(){	CloseHandle(hRdEvent);// When done, close the handle to the driver	if (CloseHandle(hDevice)==TRUE) // unlink the driver using a CloseHandle call    {		return TRUE;    }	return FALSE; // "The driver handle could not be unlinked properly"} // end of CloseHopfDevice()void ReadHopfDevice(){    if (HaveBoard){	DeviceIoControl(hDevice, IOCTL_ATLSOFT_PASSTHROUGH_READ, &io_params,ATL_PASSTHROUGH_READ_TOSIZE,		iobuffer,ATL_PASSTHROUGH_READ_FROMSIZE+io_params.count*sizeof(ULONG),&cbReturned, pRdOverlapped);	}}void GetHardwareData(LPDWORD Data32,WORD Ofs){	io_params.region = 1;	io_params.offset = Ofs;	io_params.count =1;	ReadHopfDevice();	*Data32 = iobuffer[0];    return;}void GetHopfTime(LPHOPFTIME Data,DWORD Offset){	io_params.region = 1;	io_params.offset = Offset;	io_params.count =4;	ReadHopfDevice();	Data->wHour = 0;	Data->wMinute = 0;	Data->wSecond = 0;	while (iobuffer[0] >= (60 * 60 * 1000)) {		iobuffer[0] = iobuffer[0] - 60*60 *1000;		Data->wHour++;		}	while (iobuffer[0] >= (60 * 1000)) {		iobuffer[0] = iobuffer[0] - 60 *1000;		Data->wMinute++;		}	while (iobuffer[0] >= (1000)) {		iobuffer[0] = iobuffer[0] - 1000;		Data->wSecond++;		}	Data->wMilliseconds = LOWORD(iobuffer[0]);	Data->wDay = HIBYTE(HIWORD(iobuffer[1]));	Data->wMonth = LOBYTE(HIWORD(iobuffer[1]));	Data->wYear = LOWORD(iobuffer[1]);	Data->wDayOfWeek = HIBYTE(HIWORD(iobuffer[2]));	if (Data->wDayOfWeek == 7) // Dow Korrektur		Data->wDayOfWeek = 0;	 	io_params.region = 1;	io_params.offset += 0x08;	io_params.count =1;	ReadHopfDevice();	Data->wStatus = LOBYTE(HIWORD(iobuffer[0]));   return;}void GetHopfLocalTime(LPHOPFTIME Data){	DWORD Offset = 0;     GetHopfTime(Data,Offset);    return;}void GetHopfSystemTime(LPHOPFTIME Data){	DWORD Offset = 0x10;     GetHopfTime(Data,Offset);    return;}void  GetSatData(LPSATSTAT Data){	io_params.region = 1;	io_params.offset = 0xb0;	io_params.count =5;	ReadHopfDevice();					Data->wVisible= HIBYTE(HIWORD(iobuffer[0]));	Data->wMode   = LOBYTE(LOWORD(iobuffer[0]));	Data->wSat0   = HIBYTE(HIWORD(iobuffer[1]));	Data->wRat0   = LOBYTE(HIWORD(iobuffer[1]));	Data->wSat1   = HIBYTE(LOWORD(iobuffer[1]));	Data->wRat1   = LOBYTE(LOWORD(iobuffer[1]));	Data->wSat2   = HIBYTE(HIWORD(iobuffer[2]));	Data->wRat2   = LOBYTE(HIWORD(iobuffer[2]));	Data->wSat3   = HIBYTE(LOWORD(iobuffer[2]));	Data->wRat3   = LOBYTE(LOWORD(iobuffer[2]));	Data->wSat4   = HIBYTE(HIWORD(iobuffer[3]));	Data->wRat4   = LOBYTE(HIWORD(iobuffer[3]));	Data->wSat5   = HIBYTE(LOWORD(iobuffer[3]));	Data->wRat5   = LOBYTE(LOWORD(iobuffer[3]));	Data->wSat6   = HIBYTE(HIWORD(iobuffer[4]));	Data->wRat6   = LOBYTE(HIWORD(iobuffer[4]));	Data->wSat7   = HIBYTE(LOWORD(iobuffer[4]));	Data->wRat7   = LOBYTE(LOWORD(iobuffer[4]));	    return;}void GetDiffTime(LPLONG Data){	io_params.region = 1;	io_params.offset = 0x0c;	io_params.count =1;	ReadHopfDevice();    *Data = iobuffer[0];    return;}void  GetPosition(LPGPSPOS Data){	io_params.region = 1;	io_params.offset = 0x90; // Positionsdaten L鋘ge	io_params.count  = 1;	ReadHopfDevice();	Data->wLongitude	= iobuffer[0]; //in Millisekunden	io_params.region = 1;	io_params.offset = 0xa0; // Positionsdaten Breite	io_params.count  = 1;	ReadHopfDevice();	Data->wLatitude	= iobuffer[0];	Data->wAltitude	= 0;    return;}void  GetHardwareVersion(LPCLOCKVER Data){int i;	io_params.region = 1;	io_params.offset = 0x50;	io_params.count =12;	ReadHopfDevice();					strcpy(Data->cVersion,"");	iobuffer[13] =0;	for (i=0; i < 13; i++){		Data->cVersion[i * 4    ] = HIBYTE(HIWORD(iobuffer[i]));		Data->cVersion[i * 4 + 1] = LOBYTE(HIWORD(iobuffer[i]));		Data->cVersion[i * 4 + 2] = HIBYTE(LOWORD(iobuffer[i]));		Data->cVersion[i * 4 + 3] = LOBYTE(LOWORD(iobuffer[i]));	}}void  GetDCFAntenne(LPDCFANTENNE Data){	io_params.region = 1;	io_params.offset = 0xcc;	//	io_params.count = 1;	ReadHopfDevice();	Data->bStatus1	= HIBYTE(HIWORD(iobuffer[0])); // 	Data->bStatus	= LOBYTE(HIWORD(iobuffer[0])); //	Data->wAntValue  = LOWORD(iobuffer[0]);    return;}