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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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