i have a problem here. i still can't figure out how to be able to communicate between raspberry and microcontroller.
each time i send data to serial port i don't receive any answer. i notice that data is sent in ascii.
Here's my code :
if (serial->isOpen()) {
qDebug() << "port is open: " ;
QByteArray buff= {0xA1, 0xFF, 0xFF, 0x00,97};
serial->write(buff);
}
if (serial->bytesAvailable()) { // If there are bytes available
QByteArray f_data; // data container
f_data.clear();

while(serial->bytesAvailable()) { // Reading loop
f_data.append(serial->readAll());


serial->flush();
}
qDebug()<< "the result" << f_data; // Check the result
}

if(!serial->isOpen())
qDebug() << "carte disconnect"<<serial->errorString();

any help PLZ !!!