#include "qtserialport.h"

int QtSerialport::OpenSerialPort(string portName, int baudrate)
{
    QList<QSerialPortInfo> infos = QSerialPortInfo::availablePorts();

    for (int i=0; i<infos.length();i++)
    {
        qDebug()<<infos[i].portName();
//        std::cout<<infos[i].portName()<<std::endl;
    }

    //std::cout<<"number of availablePorts:"<<infos.size()<<std::endl;

    //如果在构造函数中创建m_serial就会出现错误:
    //QObject: Cannot create children for a parent that is in a different thread.
    //(Parent is QSerialPort(0x2e31b20), parent's thread is QThread(0x2e2f130), current thread is QThread(0x2e31110)
    m_serial = new QSerialPort();

    if(m_serial->isOpen())//如果串口已经打开了 先给他关闭了
    {
        m_serial->clear();
        m_serial->close();
    }

    m_serial->setPortName(QString::fromStdString(portName));
    m_serial->open(QIODevice::ReadWrite);


    int x=SetBaudrate(baudrate);
    if(x == 0)
    {
        return 0;
    }
    else
    {
        return 1;
    }
}

int QtSerialport::CloseSerialPort()
{
    m_serial->close();
    return 0;
}

int QtSerialport::SetBaudrate(int baudrate)
{
    bool x=m_serial->setBaudRate(baudrate);//qt的串口类，设置波特率时任何数字都能成功，这是什么鬼？？？？
    int tmp = m_serial->baudRate();

    if(x)
    {
        return 0;//成功
    }
    else
    {
        return 1;//失败
    }
}

//qint64 write(const char *data, qint64 len);
int QtSerialport::SendData1(const char *data, const unsigned int len)
{
    QByteArray tmp(data, len);

//    QByteArray tmp2 = tmp.toHex();


    //QIODevice::write(const char *data, qint64 maxSize)
    int num = m_serial->write(tmp);

    bool re = m_serial->waitForBytesWritten();

    if(re)
    {
        return num;
    }
    else
    {
        return -1;
    }

}

int QtSerialport::SendData(const char chrSendBuffer[],const unsigned short usLen)
{
    int num = m_serial->write(chrSendBuffer, usLen);
    return num;
}

int QtSerialport::ReadData(char * receivedData)
{
    FILE * fileHandle=fopen("D:\\cpp_qtcreator\\witmotionDll_use-build\\debug\\test.dat","w+b");
    QByteArray requestData;

    while (true)
    {
        //std::cout<<"SbgRecorder::startRecordSbg--------------:"<<std::endl;
        if(m_serial->waitForReadyRead())
        {
            //requestData.resize(m_serial->size());
            requestData = m_serial->readAll();
            std::cout<<"size: "<< requestData.size() <<std::endl;
            fwrite(requestData.data(),requestData.size(),1,fileHandle);
//            fflush(fileHandle);

//            if(!m_bIsSbgReady)
//            {
//                parseSbgMessage(&requestData);
//            }
//            parseSbgMessage(&requestData);//边采集惯导数据边解析，并不会导致惯导漏帧
        }
        else
        {
            std::cout<<"SbgRecorder::startRecordSbg----:Wait write response timeout"<<std::endl;
        }
    }


    return 0;
}