QserialPort and QTcpSocket, led to a difference in the QByteArray sent through them

[kuzulis]

Please replace part of code to:

bool success = serial->open(QIODevice::ReadWrite)
&& serial->setBaudRate(s.baudRate)
&& serial->setDataBits(s.dataBits)
&& serial->setParity(s.parity)
&& serial->setStopBits(s.stopBits)
&& serial->setFlowControl(s.flowControl);
 
if (!success ) {
return; // Failed
}

bool success = serial->open(QIODevice::ReadWrite)
&& serial->setBaudRate(s.baudRate)
&& serial->setDataBits(s.dataBits)
&& serial->setParity(s.parity)
&& serial->setStopBits(s.stopBits)
&& serial->setFlowControl(s.flowControl);

if (!success ) {
return; // Failed
}

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