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Fixes to isotp handler

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This commit is contained in:
Collin Kidder
2020-02-19 21:01:45 -05:00
parent 367c072b45
commit a364444f76
1 changed files with 6 additions and 3 deletions
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bus_protocols/isotp_handler.cpp
+6 -3
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@@ -268,18 +268,21 @@ void ISOTP_HANDLER::processFrame(const CANFrame &frame)
}
if (!pMsg) return;
if (!pMsg->isMultiframe) return; //if we didn't get a frame type 1 (start of multiframe) first then ignore this frame.
ln = pMsg->payload().length() - pMsg->payload().count();
dataBytes.clear();
dataBytes.append(pMsg->payload());
ln = pMsg->reportedLength - pMsg->payload().count();
//offset = pMsg->data.count();
if (useExtendedAddressing)
{
if (ln > 6) ln = 6;
for (int j = 0; j < ln; j++) pMsg->payload().append(frame.payload()[j+2]);
for (int j = 0; j < ln; j++) dataBytes.append(frame.payload()[j+2]);
}
else
{
if (ln > 7) ln = 7;
for (int j = 0; j < ln; j++) pMsg->payload().append(frame.payload()[j+1]);
for (int j = 0; j < ln; j++) dataBytes.append(frame.payload()[j+1]);
}
pMsg->setPayload(dataBytes);
if (pMsg->reportedLength <= pMsg->payload().count())
{
qDebug() << "Emitting multiframe ISOTP message";