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111 lines
3.9 KiB
111 lines
3.9 KiB
/******************************************************************************
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*
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* $RCSfile: 52xHlp.cpp $
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* $Source: u:/si/VXP/Wdm/Encore/52x/52xHlp.cpp $
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* $Author: Max $
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* $Date: 1999/02/19 00:10:31 $
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* $Revision: 1.6 $
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*
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* Written by: Max Paklin
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* Purpose: Helper functions for 52x analog overlay hardware
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*
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*******************************************************************************
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*
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* Copyright © 1998-99, AuraVision Corporation. All rights reserved.
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*
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* AuraVision Corporation makes no warranty of any kind, express or implied,
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* with regard to this software. In no event shall AuraVision Corporation
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* be liable for incidental or consequential damages in connection with or
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* arising from the furnishing, performance, or use of this software.
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*
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* Tab step is to be set to 4 to achive the best readability for this code.
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*
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*******************************************************************************/
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#include "Comwdm.h"
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#pragma hdrstop
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#include "Avwinwdm.h"
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extern "C"
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{
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/******************************************************************************/
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/*** Macrovision handler interface routines ***********************************/
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// The next two functions are actually sort of "exported" from here for Macrovision handler.
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// They provide I2C service that Macrovision license code can use to access I2C registers
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int __stdcall SetI2CRegister( unsigned int uID, unsigned int uIndex, unsigned int uData )
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{
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if( HW_SetExternalRegister( 2, (WORD)uID, (WORD)uIndex, (WORD)uData ) == 0 )
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return TRUE;
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return FALSE;
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}
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unsigned int __stdcall GetI2CRegister( unsigned int uID, unsigned int uIndex )
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{
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return HW_GetExternalRegister( 2, (WORD)uID, (WORD)uIndex );
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}
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/*** Macrovision handler interface routines ***********************************/
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/******************************************************************************/
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} // extern "C"
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/******************************************************************************/
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/*** Functions to be used by AvWin ********************************************/
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static PVOID s_hHandle = NULL;
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static PDEVICE_OBJECT s_pDeviceObject = NULL;
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extern "C" void APIENTRY AV_SetContextHandle( PVOID hHandle, PVOID pDeviceObject )
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{
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s_hHandle = hHandle;
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s_pDeviceObject = (PDEVICE_OBJECT)pDeviceObject;
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}
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extern "C" SINT APIENTRY AV_GetProfileString
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(
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LPCWSTR pwszSection,
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LPCWSTR pwszEntry,
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LPCWSTR pwszDefault,
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LPWSTR pwszBufferReturn,
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int nBufferReturn
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)
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{
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if( s_hHandle == NULL && s_pDeviceObject == NULL )
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return 0;
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CKsRegKey regKey( pwszSection, s_pDeviceObject, s_hHandle );
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if( !regKey.GetValue( pwszEntry, pwszBufferReturn, (USHORT)nBufferReturn, pwszDefault ) )
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wcsncpy( pwszBufferReturn, pwszDefault, nBufferReturn/sizeof( WCHAR ) );
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return wcslen( pwszBufferReturn );
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}
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extern "C" UINT APIENTRY AV_GetProfileInt( LPCWSTR pwszSection, LPCWSTR pwszEntry, int nDefault )
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{
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if( s_hHandle == NULL && s_pDeviceObject == NULL )
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return nDefault;
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CKsRegKey regKey( pwszSection, s_pDeviceObject, s_hHandle );
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int nValue;
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if( !regKey.GetValue( pwszEntry, nValue, nDefault ) )
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nValue = nDefault;
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return (UINT)nValue;
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}
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extern "C" BOOL APIENTRY AV_WriteProfileString
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(
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LPCWSTR pwszSection,
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LPCWSTR pwszEntry,
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LPCWSTR pwszString
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)
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{
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if( s_hHandle == NULL && s_pDeviceObject == NULL )
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return FALSE;
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CKsRegKey regKey( pwszSection, s_pDeviceObject, s_hHandle );
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return regKey.SetValue( pwszEntry, pwszString );
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}
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extern "C" BOOL APIENTRY AV_WriteProfileInt
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(
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LPCWSTR pwszSection,
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LPCWSTR pwszEntry,
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SINT Value
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)
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{
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if( s_hHandle == NULL && s_pDeviceObject == NULL )
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return FALSE;
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CKsRegKey regKey( pwszSection, s_pDeviceObject, s_hHandle );
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return regKey.SetValue( pwszEntry, (int)Value );
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}
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/*** Functions to be used by AvWin ********************************************/
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/******************************************************************************/
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