libicsneo/communication/message/neomessage.cpp

208 lines
8.4 KiB
C++

#include "icsneo/communication/message/neomessage.h"
#include "icsneo/communication/message/canmessage.h"
#include "icsneo/communication/message/ethernetmessage.h"
#include "icsneo/communication/message/canerrormessage.h"
#include "icsneo/communication/message/linmessage.h"
using namespace icsneo;
neomessage_t icsneo::CreateNeoMessage(const std::shared_ptr<Message> message) {
// This function is not responsible for storing the message!
// Keep the shared_ptr around for the lifetime of the data access
neomessage_t neomsg = {}; // Clear out the memory
neomsg.messageType = (neomessagetype_t)message->type;
neomsg.timestamp = message->timestamp;
switch (message->type)
{
case Message::Type::Frame: {
neomessage_frame_t& frame = *(neomessage_frame_t*)&neomsg;
auto framemsg = std::static_pointer_cast<Frame>(message);
const auto netType = framemsg->network.getType();
frame.netid = (neonetid_t)framemsg->network.getNetID();
frame.type = (neonettype_t)netType;
frame.description = framemsg->description;
frame.length = framemsg->data.size();
frame.data = framemsg->data.data();
frame.timestamp = framemsg->timestamp;
frame.status.globalError = framemsg->error;
frame.status.transmitMessage = framemsg->transmitted;
switch(netType) {
case Network::Type::CAN:
case Network::Type::SWCAN:
case Network::Type::LSFTCAN: {
neomessage_can_t& can = *(neomessage_can_t*)&neomsg;
auto canmsg = std::static_pointer_cast<CANMessage>(message);
can.arbid = canmsg->arbid;
can.dlcOnWire = canmsg->dlcOnWire;
can.status.extendedFrame = canmsg->isExtended;
can.status.remoteFrame = canmsg->isRemote;
can.status.canfdRTR = canmsg->isRemote;
can.status.canfdFDF = canmsg->isCANFD;
can.status.canfdBRS = canmsg->baudrateSwitch;
can.status.canfdESI = canmsg->errorStateIndicator;
break;
}
case Network::Type::Ethernet: {
neomessage_eth_t& eth = *(neomessage_eth_t*)&neomsg;
auto ethmsg = std::static_pointer_cast<EthernetMessage>(message);
eth.preemptionFlags = ethmsg->preemptionFlags;
eth.status.incompleteFrame = ethmsg->frameTooShort;
// TODO Fill in extra status bits
//eth.status.xyz = ethmsg->preemptionEnabled;
//eth.status.xyz = ethmsg->fcs;
//eth.status.xyz = ethmsg->noPadding;
break;
}
case Network::Type::LIN: {
neomessage_lin_t& lin = *(neomessage_lin_t*)&neomsg;
auto linmsg = std::static_pointer_cast<LINMessage>(message);
if(!linmsg) { break; }
const auto linHdrBytes = std::min(linmsg->data.size(), static_cast<size_t>(2));
lin.header[0] = linmsg->protectedID;
std::copy(linmsg->data.begin(), linmsg->data.begin() + linHdrBytes, lin.header + 1);
linmsg->calcChecksum(*linmsg);
lin.checksum = linmsg->checksum;
lin.data = linmsg->data.data() + linHdrBytes;
if(linmsg->isEnhancedChecksum != linmsg->statusFlags.TxChecksumEnhanced) {
linmsg->isEnhancedChecksum = true;
linmsg->statusFlags.TxChecksumEnhanced = true;
}
if(linmsg->data.size())
lin.length = linmsg->data.size() + 2;
else
lin.length = 1;
lin.linStatus = {
linmsg->statusFlags.TxChecksumEnhanced, // .txChecksumEnhanced
linmsg->statusFlags.TxCommander, // .txCommander
linmsg->statusFlags.TxResponder, // .txResponder
0, // .txAborted
linmsg->statusFlags.UpdateResponderOnce, // .updateResponderOnce
linmsg->statusFlags.HasUpdatedResponderOnce, // .hasUpdatedResponderOnce
linmsg->statusFlags.BusRecovered, // .busRecovered
linmsg->statusFlags.BreakOnly // .breakOnly
};
lin.status.linJustBreakSync = linmsg->errFlags.ErrRxBreakSyncOnly;
lin.status.linErrorTXRXMismatch = linmsg->errFlags.ErrTxRxMismatch;
lin.status.linErrorRXBreakNotZero = linmsg->errFlags.ErrRxBreakNotZero;
lin.status.linErrorRXBreakTooShort = linmsg->errFlags.ErrRxBreakTooShort;
lin.status.linErrorRXSyncNot55 = linmsg->errFlags.ErrRxSyncNot55;
lin.status.linErrorRXDataGreaterEight = linmsg->errFlags.ErrRxDataLenOver8;
lin.status.linSyncFrameError = linmsg->errFlags.ErrFrameSync;
lin.status.linIDFrameError = linmsg->errFlags.ErrFrameMessageID;
lin.status.linSlaveByteError = linmsg->errFlags.ErrFrameResponderData;
lin.status.checksumError = linmsg->errFlags.ErrChecksumMatch;
break;
}
default:
// TODO Implement others
break;
}
break;
}
case Message::Type::CANErrorCount: {
neomessage_can_error_t& canerror = *(neomessage_can_error_t*)&neomsg;
auto canerrormsg = std::static_pointer_cast<CANErrorMessage>(message);
canerror.transmitErrorCount = canerrormsg->transmitErrorCount;
canerror.receiveErrorCount = canerrormsg->receiveErrorCount;
canerror.status.canBusOff = canerrormsg->busOff;
canerror.netid = (neonetid_t)canerrormsg->network.getNetID();
canerror.type = (neonettype_t)canerrormsg->network.getType();
break;
}
default:
break;
}
return neomsg;
}
std::shared_ptr<Message> icsneo::CreateMessageFromNeoMessage(const neomessage_t* neomessage) {
switch((Message::Type)neomessage->messageType) {
case Message::Type::Frame: {
const Network network = ((neomessage_frame_t*)neomessage)->netid;
switch(network.getType()) {
case Network::Type::CAN:
case Network::Type::SWCAN:
case Network::Type::LSFTCAN: {
neomessage_can_t& can = *(neomessage_can_t*)neomessage;
auto canmsg = std::make_shared<CANMessage>();
canmsg->network = network;
canmsg->description = can.description;
canmsg->data.insert(canmsg->data.end(), can.data, can.data + can.length);
canmsg->arbid = can.arbid;
canmsg->dlcOnWire = can.dlcOnWire;
canmsg->isExtended = can.status.extendedFrame;
canmsg->isRemote = can.status.remoteFrame | can.status.canfdRTR;
canmsg->isCANFD = can.status.canfdFDF;
canmsg->baudrateSwitch = can.status.canfdBRS;
canmsg->errorStateIndicator = can.status.canfdESI;
return canmsg;
}
case Network::Type::Ethernet: {
neomessage_eth_t& eth = *(neomessage_eth_t*)neomessage;
auto ethmsg = std::make_shared<EthernetMessage>();
ethmsg->network = network;
ethmsg->description = eth.description;
ethmsg->data.insert(ethmsg->data.end(), eth.data, eth.data + eth.length);
return ethmsg;
}
case Network::Type::LIN: {
neomessage_lin_t& lin = *(neomessage_lin_t*)neomessage;
auto linmsg = std::make_shared<LINMessage>();
linmsg->network = network;
linmsg->description = lin.description;
linmsg->protectedID = lin.header[0];
linmsg->ID = linmsg->protectedID & 0x3F;
linmsg->statusFlags = {
static_cast<bool>(lin.linStatus.txChecksumEnhanced),
static_cast<bool>(lin.linStatus.txCommander),
static_cast<bool>(lin.linStatus.txResponder),
static_cast<bool>(lin.linStatus.updateResponderOnce),
static_cast<bool>(lin.linStatus.hasUpdatedResponderOnce),
static_cast<bool>(lin.linStatus.busRecovered),
static_cast<bool>(lin.linStatus.breakOnly)
};
linmsg->isEnhancedChecksum = linmsg->statusFlags.TxChecksumEnhanced;
linmsg->errFlags = {
static_cast<bool>(lin.linStatus.breakOnly),
static_cast<bool>(lin.status.linJustBreakSync),
static_cast<bool>(lin.status.linErrorTXRXMismatch),
static_cast<bool>(lin.status.linErrorRXBreakNotZero),
static_cast<bool>(lin.status.linErrorRXBreakTooShort),
static_cast<bool>(lin.status.linErrorRXSyncNot55),
static_cast<bool>(lin.status.linErrorRXDataGreaterEight),
static_cast<bool>(lin.status.linSyncFrameError),
static_cast<bool>(lin.status.linIDFrameError),
static_cast<bool>(lin.status.linSlaveByteError),
static_cast<bool>(lin.status.checksumError)
};
if(lin.length > 1) {
auto numHeaderBytes = std::min(lin.length, static_cast<size_t>(3));
linmsg->data.insert(linmsg->data.end(), (lin.header + 1), (lin.header + numHeaderBytes));
linmsg->data.insert(linmsg->data.end(), lin.data, (lin.data + (lin.length - numHeaderBytes)));
linmsg->checksum = linmsg->data.back();
linmsg->data.pop_back();
}
if (linmsg->statusFlags.TxCommander) {
if (linmsg->data.size())
linmsg->linMsgType = icsneo::LINMessage::Type::LIN_COMMANDER_MSG;
else
linmsg->linMsgType = icsneo::LINMessage::Type::LIN_HEADER_ONLY;
} else if (linmsg->statusFlags.TxResponder) {
linmsg->linMsgType = icsneo::LINMessage::Type::LIN_UPDATE_RESPONDER;
}
return linmsg;
}
default: break;
}
break;
}
default: break;
}
return std::shared_ptr<Message>();
}