| /**************************************************************************** | |
| (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 |