Method open

Software/src/LedDeviceArdulight.cpp:197–254

}

void LedDeviceArdulight::open()
{
    DEBUG_LOW_LEVEL << Q_FUNC_INFO;

//    m_gamma = Settings::getDeviceGamma();
//    m_brightness = Settings::getDeviceBrightness();

    if (m_ArdulightDevice != NULL)
        m_ArdulightDevice->close();
    else
        m_ArdulightDevice = new QSerialPort();

    m_ArdulightDevice->setPortName(m_portName);

    m_ArdulightDevice->open(QIODevice::WriteOnly);
    bool ok = m_ArdulightDevice->isOpen();

    // Ubuntu 10.04: on every second attempt to open the device leads to failure
    if (ok == false)
    {
        // Try one more time
        m_ArdulightDevice->open(QIODevice::WriteOnly);
        ok = m_ArdulightDevice->isOpen();
    }

    if (ok)
    {
        DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Serial device" << m_ArdulightDevice->portName() << "open";

        ok = m_ArdulightDevice->setBaudRate(m_baudRate);
        if (ok)
        {
            ok = m_ArdulightDevice->setDataBits(QSerialPort::Data8);
            if (ok)
            {
                DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Baud rate  :" << m_ArdulightDevice->baudRate();
                DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Data bits  :" << m_ArdulightDevice->dataBits();
                DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Parity     :" << m_ArdulightDevice->parity();
                DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Stop bits  :" << m_ArdulightDevice->stopBits();
                DEBUG_LOW_LEVEL << Q_FUNC_INFO << "Flow       :" << m_ArdulightDevice->flowControl();
            } else {
                qWarning() << Q_FUNC_INFO << "Set data bits 8 fail";
            }
        } else {
            qWarning() << Q_FUNC_INFO << "Set baud rate" << m_baudRate << "fail";
        }

    } else {
        qWarning() << Q_FUNC_INFO << "Serial device" << m_ArdulightDevice->portName() << "open fail. " << m_ArdulightDevice->errorString();
        DEBUG_OUT << Q_FUNC_INFO << "Available ports:";
        QList<QSerialPortInfo> availPorts = QSerialPortInfo::availablePorts();
        for(int i=0; i < availPorts.size(); i++) {
            DEBUG_OUT << Q_FUNC_INFO << availPorts[i].portName();
        }
    }

    emit openDeviceSuccess(ok);
}