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Avoid data array overflow (#1142)

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Occurs through packet collisions. Sometimes a wrong length is received.
This commit is contained in:
seeers
2018-06-16 13:32:10 +02:00
committed by Patrick Fallberg
parent f934d7c46f
commit a28b7036ca
1 changed files with 6 additions and 0 deletions
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hal/transport/RS485/MyTransportRS485.cpp
+6
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@@ -155,6 +155,12 @@ bool _serialProcess()
_recPhase = 1; _recPhase = 1;
_recPos = 0; _recPos = 0;
//Avoid _data[] overflow
if (_recLen >= MY_RS485_MAX_MESSAGE_LENGTH) {
_serialReset();
break;
}
//Check if we should process this message //Check if we should process this message
//We reject the message if we are the sender //We reject the message if we are the sender
//We reject if we are not the receiver and message is not a broadcast //We reject if we are not the receiver and message is not a broadcast