1、将工程从动态库变为命令行程序：修改pro文件、删除文件witmotiondll_global.h；

2、继承串口基类SerialPortBase实现串口类QtSerialport；
3、写维特惯导设置示例程序main.cpp；

qtserialport.cpp

@@ -0,0 +1,115 @@
+#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);
+
+
+    bool x=SetBaudrate(baudrate);
+    if(x)
+    {
+        std::cout<<"波特率被成功设置为:"<<m_serial->baudRate()<<std::endl;
+        return 0;
+    }
+    else
+    {
+        std::cout<<"波特率设置失败!"<<std::endl;
+        return 1;
+    }
+}
+
+int QtSerialport::CloseSerialPort()
+{
+    m_serial->close();
+    return 0;
+}
+
+int QtSerialport::SetBaudrate(int baudrate)
+{
+    bool x=m_serial->setBaudRate(baudrate);
+    return 0;
+}
+
+//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;
+}