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fix bug in echo detection

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This commit is contained in:
Bernhard 2019-10-18 15:26:48 +02:00
parent 31fb516ae0
commit 6cf2011e58
1 changed files with 6 additions and 6 deletions
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12
src/knx/tpuart_data_link_layer.cpp
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@ -235,13 +235,13 @@ void TpUartDataLinkLayer::loop()
//Destination Address + payload available
_xorSum ^= rxByte;
//check if echo
if (!((buffer[0] ^ _sendBuffer[0]) & ~0x20) && !memcmp(buffer + _convert + 1, _sendBuffer + 1, 5))
{ //ignore repeated bit of control byte
_isEcho = true;
}
else
_isEcho = false;
if(_sendBuffer != NULL)
{
_isEcho = false;
if (!((buffer[0] ^ _sendBuffer[0]) & ~0x20) && !memcmp(buffer + _convert + 1, _sendBuffer + 1, 5)) //ignore repeated bit of control byte
{
_isEcho = true;
}
}
//convert into Extended.ind