Sending multiple Canframes and processing it at the same time

[PriyankaM96]

I want to send multiple CAN signals of type QCanBusFrame. Currently, I can send one signal at a time and it can run till the signal cycle length. I want to send multiple signals at the same time and receive their output. Currently, if I send a second signal, it goes into a loop and I have to wait until the first signal end to get the output of the second signal. Can anyone help me with this problem?

Should I use multithreading to get output in GUI?

This is an excerpt of sending signals :

foreach(QString payload_id, payload_send_final) {
            const QByteArray payload = QByteArray::fromHex(payload_id.remove(QLatin1Char(' ')).toLatin1());
            frame = QCanBusFrame(frameId, payload);
 
            if(m_ui->cycle_check->isChecked())
                emit sendFrame(frame,cycle_len.at(i));
            else
                emit sendFrame(frame,"1");
 
            i = i + 1;
        }

foreach(QString payload_id, payload_send_final) {
            const QByteArray payload = QByteArray::fromHex(payload_id.remove(QLatin1Char(' ')).toLatin1());
            frame = QCanBusFrame(frameId, payload);

            if(m_ui->cycle_check->isChecked())
                emit sendFrame(frame,cycle_len.at(i));
            else
                emit sendFrame(frame,"1");

            i = i + 1;
        }

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and receiving part is connected with the "connect" statement to the below slot:

void MainWindow::sendFrame(const QCanBusFrame &frame,QString cycle)
{
 
    if (!m_canDevice)
        return;
 
    m_frame_list.enqueue(frame);
    send_frame_str = frame.toString();
    int i = 1;
 
    while (!m_frame_list.isEmpty()) {
        QCanBusFrame m_frame = m_frame_list.dequeue();
        while ( i <= cycle.toInt()) {
            m_canDevice->writeFrame(frame);
            delay(5500);
            i = i+1;
        }
    }
}

void MainWindow::sendFrame(const QCanBusFrame &frame,QString cycle)
{

    if (!m_canDevice)
        return;

    m_frame_list.enqueue(frame);
    send_frame_str = frame.toString();
    int i = 1;

    while (!m_frame_list.isEmpty()) {
        QCanBusFrame m_frame = m_frame_list.dequeue();
        while ( i <= cycle.toInt()) {
            m_canDevice->writeFrame(frame);
            delay(5500);
            i = i+1;
        }
    }
}

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Please help me with suggestions?
Thanks in advance

[ChrisW67]

Do not post the same thing in two forums. See your thread in the Newbie forum.