diff options
Diffstat (limited to 'drivers/staging/epl/EplDlluCal.c')
| -rw-r--r-- | drivers/staging/epl/EplDlluCal.c | 529 |
1 files changed, 529 insertions, 0 deletions
diff --git a/drivers/staging/epl/EplDlluCal.c b/drivers/staging/epl/EplDlluCal.c new file mode 100644 index 000000000000..7f4a17450237 --- /dev/null +++ b/drivers/staging/epl/EplDlluCal.c @@ -0,0 +1,529 @@ +/**************************************************************************** + + (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29 + www.systec-electronic.com + + Project: openPOWERLINK + + Description: source file for DLL Communication Abstraction Layer module in EPL user part + + 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: EplDlluCal.c,v $ + + $Author: D.Krueger $ + + $Revision: 1.7 $ $Date: 2008/10/17 15:32:32 $ + + $State: Exp $ + + Build Environment: + GCC V3.4 + + ------------------------------------------------------------------------- + + Revision History: + + 2006/06/20 d.k.: start of the implementation, version 1.00 + +****************************************************************************/ + +#include "user/EplDlluCal.h" +#include "user/EplEventu.h" + +#include "EplDllCal.h" + +// include only if direct call between user- and kernelspace is enabled +#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0) +#include "kernel/EplDllkCal.h" +#endif + +#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLU)) != 0) + +/***************************************************************************/ +/* */ +/* */ +/* 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 EplDlluCal */ +/* */ +/* */ +/***************************************************************************/ +// +// Description: +// +// +/***************************************************************************/ + +//=========================================================================// +// // +// P R I V A T E D E F I N I T I O N S // +// // +//=========================================================================// + +//--------------------------------------------------------------------------- +// const defines +//--------------------------------------------------------------------------- + +//--------------------------------------------------------------------------- +// local types +//--------------------------------------------------------------------------- + +typedef struct { + tEplDlluCbAsnd m_apfnDlluCbAsnd[EPL_DLL_MAX_ASND_SERVICE_ID]; + +} tEplDlluCalInstance; + +//--------------------------------------------------------------------------- +// local vars +//--------------------------------------------------------------------------- + +// if no dynamic memory allocation shall be used +// define structures statically +static tEplDlluCalInstance EplDlluCalInstance_g; + +//--------------------------------------------------------------------------- +// local function prototypes +//--------------------------------------------------------------------------- + +static tEplKernel EplDlluCalSetAsndServiceIdFilter(tEplDllAsndServiceId + ServiceId_p, + tEplDllAsndFilter Filter_p); + +//=========================================================================// +// // +// P U B L I C F U N C T I O N S // +// // +//=========================================================================// + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalAddInstance() +// +// Description: add and initialize new instance of DLL CAL module +// +// Parameters: none +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalAddInstance() +{ + tEplKernel Ret = kEplSuccessful; + + // reset instance structure + EPL_MEMSET(&EplDlluCalInstance_g, 0, sizeof(EplDlluCalInstance_g)); + + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalDelInstance() +// +// Description: deletes an instance of DLL CAL module +// +// Parameters: none +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalDelInstance() +{ + tEplKernel Ret = kEplSuccessful; + + // reset instance structure + EPL_MEMSET(&EplDlluCalInstance_g, 0, sizeof(EplDlluCalInstance_g)); + + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalProcess +// +// Description: process the passed asynch frame +// +// Parameters: pEvent_p = event containing frame to be processed +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalProcess(tEplEvent * pEvent_p) +{ + tEplKernel Ret = kEplSuccessful; + tEplMsgType MsgType; + unsigned int uiAsndServiceId; + tEplFrameInfo FrameInfo; + + if (pEvent_p->m_EventType == kEplEventTypeAsndRx) { + FrameInfo.m_pFrame = (tEplFrame *) pEvent_p->m_pArg; + FrameInfo.m_uiFrameSize = pEvent_p->m_uiSize; + // extract NetTime + FrameInfo.m_NetTime = pEvent_p->m_NetTime; + + MsgType = + (tEplMsgType) AmiGetByteFromLe(&FrameInfo.m_pFrame-> + m_le_bMessageType); + if (MsgType != kEplMsgTypeAsnd) { + Ret = kEplInvalidOperation; + goto Exit; + } + + uiAsndServiceId = + (unsigned int)AmiGetByteFromLe(&FrameInfo.m_pFrame->m_Data. + m_Asnd.m_le_bServiceId); + if (uiAsndServiceId < EPL_DLL_MAX_ASND_SERVICE_ID) { // ASnd service ID is valid + if (EplDlluCalInstance_g.m_apfnDlluCbAsnd[uiAsndServiceId] != NULL) { // handler was registered + Ret = + EplDlluCalInstance_g. + m_apfnDlluCbAsnd[uiAsndServiceId] + (&FrameInfo); + } + } + } + + Exit: + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalRegAsndService() +// +// Description: registers the specified handler for the specified +// AsndServiceId with the specified node ID filter. +// +// Parameters: ServiceId_p = ASnd Service ID +// pfnDlluCbAsnd_p = callback function +// Filter_p = node ID filter +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalRegAsndService(tEplDllAsndServiceId ServiceId_p, + tEplDlluCbAsnd pfnDlluCbAsnd_p, + tEplDllAsndFilter Filter_p) +{ + tEplKernel Ret = kEplSuccessful; + + if (ServiceId_p < tabentries(EplDlluCalInstance_g.m_apfnDlluCbAsnd)) { + // memorize function pointer + EplDlluCalInstance_g.m_apfnDlluCbAsnd[ServiceId_p] = + pfnDlluCbAsnd_p; + + if (pfnDlluCbAsnd_p == NULL) { // close filter + Filter_p = kEplDllAsndFilterNone; + } + // set filter in DLL module in kernel part + Ret = EplDlluCalSetAsndServiceIdFilter(ServiceId_p, Filter_p); + + } + + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalAsyncSend() +// +// Description: sends the frame with the specified priority. +// +// Parameters: pFrameInfo_p = frame +// m_uiFrameSize does not include the +// ethernet header (14 bytes) +// Priority_p = priority +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalAsyncSend(tEplFrameInfo * pFrameInfo_p, + tEplDllAsyncReqPriority Priority_p) +{ + tEplKernel Ret = kEplSuccessful; + +#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0) + pFrameInfo_p->m_uiFrameSize += 14; // add size of ethernet header + Ret = EplDllkCalAsyncSend(pFrameInfo_p, Priority_p); +#else + Ret = kEplSuccessful; +#endif + + return Ret; +} + +#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalIssueRequest() +// +// Description: issues a StatusRequest or a IdentRequest to the specified node. +// +// Parameters: Service_p = request service ID +// uiNodeId_p = node ID +// bSoaFlag1_p = flag1 for this node (transmit in SoA and PReq) +// If 0xFF this flag is ignored. +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalIssueRequest(tEplDllReqServiceId Service_p, + unsigned int uiNodeId_p, BYTE bSoaFlag1_p) +{ + tEplKernel Ret = kEplSuccessful; + + // add node to appropriate request queue + switch (Service_p) { + case kEplDllReqServiceIdent: + case kEplDllReqServiceStatus: + { + tEplEvent Event; + tEplDllCalIssueRequest IssueReq; + + Event.m_EventSink = kEplEventSinkDllkCal; + Event.m_EventType = kEplEventTypeDllkIssueReq; + IssueReq.m_Service = Service_p; + IssueReq.m_uiNodeId = uiNodeId_p; + IssueReq.m_bSoaFlag1 = bSoaFlag1_p; + Event.m_pArg = &IssueReq; + Event.m_uiSize = sizeof(IssueReq); + + Ret = EplEventuPost(&Event); + break; + } + + default: + { + Ret = kEplDllInvalidParam; + goto Exit; + } + } + + Exit: + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalAddNode() +// +// Description: adds the specified node to the isochronous phase. +// +// Parameters: pNodeInfo_p = pointer of node info structure +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalAddNode(tEplDllNodeInfo * pNodeInfo_p) +{ + tEplKernel Ret = kEplSuccessful; + tEplEvent Event; + + Event.m_EventSink = kEplEventSinkDllkCal; + Event.m_EventType = kEplEventTypeDllkAddNode; + Event.m_pArg = pNodeInfo_p; + Event.m_uiSize = sizeof(tEplDllNodeInfo); + + Ret = EplEventuPost(&Event); + + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalDeleteNode() +// +// Description: removes the specified node from the isochronous phase. +// +// Parameters: uiNodeId_p = node ID +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalDeleteNode(unsigned int uiNodeId_p) +{ + tEplKernel Ret = kEplSuccessful; + tEplEvent Event; + + Event.m_EventSink = kEplEventSinkDllkCal; + Event.m_EventType = kEplEventTypeDllkDelNode; + Event.m_pArg = &uiNodeId_p; + Event.m_uiSize = sizeof(uiNodeId_p); + + Ret = EplEventuPost(&Event); + + return Ret; +} + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalSoftDeleteNode() +// +// Description: removes the specified node softly from the isochronous phase. +// +// Parameters: uiNodeId_p = node ID +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +tEplKernel EplDlluCalSoftDeleteNode(unsigned int uiNodeId_p) +{ + tEplKernel Ret = kEplSuccessful; + tEplEvent Event; + + Event.m_EventSink = kEplEventSinkDllkCal; + Event.m_EventType = kEplEventTypeDllkSoftDelNode; + Event.m_pArg = &uiNodeId_p; + Event.m_uiSize = sizeof(uiNodeId_p); + + Ret = EplEventuPost(&Event); + + return Ret; +} + +#endif // (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) + +//=========================================================================// +// // +// P R I V A T E F U N C T I O N S // +// // +//=========================================================================// + +//--------------------------------------------------------------------------- +// +// Function: EplDlluCalSetAsndServiceIdFilter() +// +// Description: forwards call to EplDllkSetAsndServiceIdFilter() in kernel part +// +// Parameters: ServiceId_p = ASnd Service ID +// Filter_p = node ID filter +// +// Returns: tEplKernel = error code +// +// +// State: +// +//--------------------------------------------------------------------------- + +static tEplKernel EplDlluCalSetAsndServiceIdFilter(tEplDllAsndServiceId + ServiceId_p, + tEplDllAsndFilter Filter_p) +{ + tEplKernel Ret = kEplSuccessful; + tEplEvent Event; + tEplDllCalAsndServiceIdFilter ServFilter; + + Event.m_EventSink = kEplEventSinkDllkCal; + Event.m_EventType = kEplEventTypeDllkServFilter; + ServFilter.m_ServiceId = ServiceId_p; + ServFilter.m_Filter = Filter_p; + Event.m_pArg = &ServFilter; + Event.m_uiSize = sizeof(ServFilter); + + Ret = EplEventuPost(&Event); + + return Ret; +} + +#endif // (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLU)) != 0) + +// EOF |