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+/****************************************************************************
+
+ (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
+ www.systec-electronic.com
+
+ Project: openPOWERLINK
+
+ Description: source file for EPL API module (process image)
+
+ License:
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of SYSTEC electronic GmbH nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without prior written permission. For written
+ permission, please contact info@systec-electronic.com.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ Severability Clause:
+
+ If a provision of this License is or becomes illegal, invalid or
+ unenforceable in any jurisdiction, that shall not affect:
+ 1. the validity or enforceability in that jurisdiction of any other
+ provision of this License; or
+ 2. the validity or enforceability in other jurisdictions of that or
+ any other provision of this License.
+
+ -------------------------------------------------------------------------
+
+ $RCSfile: EplApiProcessImage.c,v $
+
+ $Author: D.Krueger $
+
+ $Revision: 1.7 $ $Date: 2008/11/13 17:13:09 $
+
+ $State: Exp $
+
+ Build Environment:
+ GCC V3.4
+
+ -------------------------------------------------------------------------
+
+ Revision History:
+
+ 2006/10/10 d.k.: start of the implementation, version 1.00
+
+****************************************************************************/
+
+#include "Epl.h"
+//#include "kernel/EplPdokCal.h"
+
+#if (TARGET_SYSTEM == _LINUX_) && defined(__KERNEL__)
+#include <asm/uaccess.h>
+#endif
+
+/***************************************************************************/
+/* */
+/* */
+/* G L O B A L D E F I N I T I O N S */
+/* */
+/* */
+/***************************************************************************/
+
+//---------------------------------------------------------------------------
+// const defines
+//---------------------------------------------------------------------------
+
+//---------------------------------------------------------------------------
+// local types
+//---------------------------------------------------------------------------
+
+//---------------------------------------------------------------------------
+// modul globale vars
+//---------------------------------------------------------------------------
+
+//---------------------------------------------------------------------------
+// local function prototypes
+//---------------------------------------------------------------------------
+
+/***************************************************************************/
+/* */
+/* */
+/* C L A S S EplApi */
+/* */
+/* */
+/***************************************************************************/
+//
+// Description:
+//
+//
+/***************************************************************************/
+
+//=========================================================================//
+// //
+// P R I V A T E D E F I N I T I O N S //
+// //
+//=========================================================================//
+
+//---------------------------------------------------------------------------
+// const defines
+//---------------------------------------------------------------------------
+
+//---------------------------------------------------------------------------
+// local types
+//---------------------------------------------------------------------------
+
+#if ((EPL_API_PROCESS_IMAGE_SIZE_IN > 0) || (EPL_API_PROCESS_IMAGE_SIZE_OUT > 0))
+typedef struct {
+#if EPL_API_PROCESS_IMAGE_SIZE_IN > 0
+ BYTE m_abProcessImageInput[EPL_API_PROCESS_IMAGE_SIZE_IN];
+#endif
+#if EPL_API_PROCESS_IMAGE_SIZE_OUT > 0
+ BYTE m_abProcessImageOutput[EPL_API_PROCESS_IMAGE_SIZE_OUT];
+#endif
+
+} tEplApiProcessImageInstance;
+
+//---------------------------------------------------------------------------
+// local vars
+//---------------------------------------------------------------------------
+
+static tEplApiProcessImageInstance EplApiProcessImageInstance_g;
+#endif
+
+//---------------------------------------------------------------------------
+// local function prototypes
+//---------------------------------------------------------------------------
+
+//=========================================================================//
+// //
+// P U B L I C F U N C T I O N S //
+// //
+//=========================================================================//
+
+//---------------------------------------------------------------------------
+//
+// Function: EplApiProcessImageSetup()
+//
+// Description: sets up static process image
+//
+// Parameters: (none)
+//
+// Returns: tEplKernel = error code
+//
+//
+// State:
+//
+//---------------------------------------------------------------------------
+
+tEplKernel PUBLIC EplApiProcessImageSetup(void)
+{
+ tEplKernel Ret = kEplSuccessful;
+#if ((EPL_API_PROCESS_IMAGE_SIZE_IN > 0) || (EPL_API_PROCESS_IMAGE_SIZE_OUT > 0))
+ unsigned int uiVarEntries;
+ tEplObdSize ObdSize;
+#endif
+
+#if EPL_API_PROCESS_IMAGE_SIZE_IN > 0
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN;
+ ObdSize = 1;
+ Ret = EplApiLinkObject(0x2000,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN;
+ ObdSize = 1;
+ Ret = EplApiLinkObject(0x2001,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 2;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN / ObdSize;
+ Ret = EplApiLinkObject(0x2010,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 2;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN / ObdSize;
+ Ret = EplApiLinkObject(0x2011,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 4;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN / ObdSize;
+ Ret = EplApiLinkObject(0x2020,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 4;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_IN / ObdSize;
+ Ret = EplApiLinkObject(0x2021,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageInput, &uiVarEntries, &ObdSize,
+ 1);
+#endif
+
+#if EPL_API_PROCESS_IMAGE_SIZE_OUT > 0
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT;
+ ObdSize = 1;
+ Ret = EplApiLinkObject(0x2030,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT;
+ ObdSize = 1;
+ Ret = EplApiLinkObject(0x2031,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 2;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT / ObdSize;
+ Ret = EplApiLinkObject(0x2040,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 2;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT / ObdSize;
+ Ret = EplApiLinkObject(0x2041,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 4;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT / ObdSize;
+ Ret = EplApiLinkObject(0x2050,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+
+ ObdSize = 4;
+ uiVarEntries = EPL_API_PROCESS_IMAGE_SIZE_OUT / ObdSize;
+ Ret = EplApiLinkObject(0x2051,
+ EplApiProcessImageInstance_g.
+ m_abProcessImageOutput, &uiVarEntries, &ObdSize,
+ 1);
+#endif
+
+ return Ret;
+}
+
+//----------------------------------------------------------------------------
+// Function: EplApiProcessImageExchangeIn()
+//
+// Description: replaces passed input process image with the one of EPL stack
+//
+// Parameters: pPI_p = input process image
+//
+// Returns: tEplKernel = error code
+//
+// State:
+//----------------------------------------------------------------------------
+
+tEplKernel PUBLIC EplApiProcessImageExchangeIn(tEplApiProcessImage * pPI_p)
+{
+ tEplKernel Ret = kEplSuccessful;
+
+#if EPL_API_PROCESS_IMAGE_SIZE_IN > 0
+#if (TARGET_SYSTEM == _LINUX_) && defined(__KERNEL__)
+ copy_to_user(pPI_p->m_pImage,
+ EplApiProcessImageInstance_g.m_abProcessImageInput,
+ min(pPI_p->m_uiSize,
+ sizeof(EplApiProcessImageInstance_g.
+ m_abProcessImageInput)));
+#else
+ EPL_MEMCPY(pPI_p->m_pImage,
+ EplApiProcessImageInstance_g.m_abProcessImageInput,
+ min(pPI_p->m_uiSize,
+ sizeof(EplApiProcessImageInstance_g.
+ m_abProcessImageInput)));
+#endif
+#endif
+
+ return Ret;
+}
+
+//----------------------------------------------------------------------------
+// Function: EplApiProcessImageExchangeOut()
+//
+// Description: copies passed output process image to EPL stack.
+//
+// Parameters: pPI_p = output process image
+//
+// Returns: tEplKernel = error code
+//
+// State:
+//----------------------------------------------------------------------------
+
+tEplKernel PUBLIC EplApiProcessImageExchangeOut(tEplApiProcessImage * pPI_p)
+{
+ tEplKernel Ret = kEplSuccessful;
+
+#if EPL_API_PROCESS_IMAGE_SIZE_OUT > 0
+#if (TARGET_SYSTEM == _LINUX_) && defined(__KERNEL__)
+ copy_from_user(EplApiProcessImageInstance_g.m_abProcessImageOutput,
+ pPI_p->m_pImage,
+ min(pPI_p->m_uiSize,
+ sizeof(EplApiProcessImageInstance_g.
+ m_abProcessImageOutput)));
+#else
+ EPL_MEMCPY(EplApiProcessImageInstance_g.m_abProcessImageOutput,
+ pPI_p->m_pImage,
+ min(pPI_p->m_uiSize,
+ sizeof(EplApiProcessImageInstance_g.
+ m_abProcessImageOutput)));
+#endif
+#endif
+
+ return Ret;
+}
+
+//=========================================================================//
+// //
+// P R I V A T E F U N C T I O N S //
+// //
+//=========================================================================//
+
+// EOF
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