//------------------------------------------------------------------------------
static tOplkError eventCbPowerlink(tOplkApiEventType EventType_p,
tOplkApiEventArg* pEventArg_p, void* pUserArg_p)
{
tOplkError ret = kErrorOk;
tOplkApiEventReceivedNonPlk* pFrameInfo = &pEventArg_p->receivedEth;
UNUSED_PARAMETER(pUserArg_p);
switch (EventType_p)
{
case kOplkApiEventNmtStateChange:
lcd_printNmtState(pEventArg_p->nmtStateChange.newNmtState);
switch (pEventArg_p->nmtStateChange.newNmtState)
{
case kNmtGsOff:
// NMT state machine was shut down
ret = kErrorShutdown;
// NMT off state is reached
instance_l.fGsOff = TRUE;
break;
case kNmtCsBasicEthernet:
// ARP demo: Send request to MN
arp_sendRequest((0xFFFFFF00 & IP_ADDR) | C_ADR_MN_DEF_NODE_ID);
break;
default:
break;
}
break;
case kOplkApiEventReceivedNonPlk:
if (arp_processReceive(pFrameInfo->pFrame, pFrameInfo->frameSize) == 0)
return kErrorOk;
// If you get here, the received Ethernet frame is no ARP frame.
// Here you can call other protocol stacks for processing.
ret = kErrorOk; // Frame wasn't processed, so simply dump it.
break;
case kOplkApiEventDefaultGwChange:
// ARP demo: Set default gateway and send request
arp_setDefGateway(pEventArg_p->defaultGwChange.defaultGateway);
arp_sendRequest(pEventArg_p->defaultGwChange.defaultGateway);
break;
default:
break;
}
return ret;
}
//------------------------------------------------------------------------------
static tOplkError eventCbPowerlink(tOplkApiEventType EventType_p,
tOplkApiEventArg* pEventArg_p, void* pUserArg_p)
{
tOplkError ret = kErrorOk;
UNUSED_PARAMETER(pUserArg_p);
// Handle ARP demo:
// - If a node is found (e.g. plug in a CN), then an ARP request is sent
// to this node. There is no timeout handling done.
// - If an Ethernet frame is received, it is forwarded to process reply.
// The function prints the ARP reply information.
if (EventType_p == kOplkApiEventNode)
{
tOplkApiEventNode* pNode = &pEventArg_p->nodeEvent;
// Note: This is a demonstration to generate non-POWERLINK frames.
if (pNode->nodeEvent == kNmtNodeEventFound)
{
arp_sendRequest((0xFFFFFF00 & IP_ADDR) | pNode->nodeId);
}
}
else if (EventType_p == kOplkApiEventReceivedNonPlk)
{
tOplkApiEventReceivedNonPlk* pFrameInfo = &pEventArg_p->receivedEth;
// Note: This is a demonstration how to forward Ethernet frames to upper
// layers. Instead you can insert an IP stack and forward the
// pFrameInfo content to it. Frames that are sent from the IP
// stack to lower layers must be forwarded with the function
// \ref oplk_sendEthFrame.
// Forward received frame to ARP processing
if (arp_processReceive(pFrameInfo->pFrame, pFrameInfo->frameSize) == 0)
return kErrorOk;
// If you get here, the received Ethernet frame is no ARP frame.
// Here you can call other protocol stacks for processing.
ret = kErrorOk; // Frame wasn't processed, so simply dump it.
}
else if (EventType_p == kOplkApiEventDefaultGwChange)
{
// ARP demo: Set default gateway and send request
arp_setDefGateway(pEventArg_p->defaultGwChange.defaultGateway);
arp_sendRequest(pEventArg_p->defaultGwChange.defaultGateway);
}
return ret;
}
//------------------------------------------------------------------------------
static tOplkError eventCbPowerlink(tOplkApiEventType eventType_p,
tOplkApiEventArg* pEventArg_p, void* pUserArg_p)
{
tOplkError ret = kErrorOk;
tOplkApiEventReceivedNonPlk* pFrameInfo = &pEventArg_p->receivedEth;
UNUSED_PARAMETER(pUserArg_p);
switch (eventType_p)
{
case kOplkApiEventNmtStateChange:
lcd_printNmtState(pEventArg_p->nmtStateChange.newNmtState);
switch (pEventArg_p->nmtStateChange.newNmtState)
{
case kNmtGsOff:
// NMT state machine was shut down
ret = kErrorShutdown;
// NMT off state is reached
instance_l.fGsOff = TRUE;
break;
case kNmtCsBasicEthernet:
// ARP demo: Send request to MN
arp_sendRequest((0xFFFFFF00 & IP_ADDR) | C_ADR_MN_DEF_NODE_ID);
break;
case kNmtCsPreOperational2:
// automatic change to kEplNmtCsReadyToOperate can be
// prevented with:
// ret = kErrorReject;
// As soon as application is ready for OPERATIONAL state,
// execute the following function call:
// oplk_execNmtCommand(kNmtEventEnterReadyToOperate);
break;
default:
break;
}
break;
case kOplkApiEventReceivedNonPlk:
if (arp_processReceive(pFrameInfo->pFrame, pFrameInfo->frameSize) == 0)
return kErrorOk;
// If you get here, the received Ethernet frame is no ARP frame.
// Here you can call other protocol stacks for processing.
ret = kErrorOk; // Frame wasn't processed, so simply dump it.
break;
case kOplkApiEventDefaultGwChange:
// ARP demo: Set default gateway and send request
arp_setDefGateway(pEventArg_p->defaultGwChange.defaultGateway);
arp_sendRequest(pEventArg_p->defaultGwChange.defaultGateway);
break;
default:
break;
}
return ret;
}