123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
#include "qtserialport.h"
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int QtSerialport::OpenSerialPort(string portName, int baudrate)
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{
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QList<QSerialPortInfo> infos = QSerialPortInfo::availablePorts();
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for (int i=0; i<infos.length();i++)
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{
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qDebug()<<infos[i].portName();
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// std::cout<<infos[i].portName()<<std::endl;
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}
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//std::cout<<"number of availablePorts:"<<infos.size()<<std::endl;
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//如果在构造函数中创建m_serial就会出现错误:
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//QObject: Cannot create children for a parent that is in a different thread.
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//(Parent is QSerialPort(0x2e31b20), parent's thread is QThread(0x2e2f130), current thread is QThread(0x2e31110)
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m_serial = new QSerialPort();
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if(m_serial->isOpen())//如果串口已经打开了 先给他关闭了
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{
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m_serial->clear();
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m_serial->close();
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}
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m_serial->setPortName(QString::fromStdString(portName));
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m_serial->open(QIODevice::ReadWrite);
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int x=SetBaudrate(baudrate);
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if(x == 0)
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{
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return 0;
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}
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else
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{
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return 1;
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}
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}
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int QtSerialport::CloseSerialPort()
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{
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m_serial->close();
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return 0;
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}
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int QtSerialport::SetBaudrate(int baudrate)
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{
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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？？？？
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int tmp = m_serial->baudRate();
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if(x)
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{
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return 0;//成功
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}
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else
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{
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return 1;//失败
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}
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}
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//qint64 write(const char *data, qint64 len);
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int QtSerialport::SendData1(const char *data, const unsigned int len)
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{
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QByteArray tmp(data, len);
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// QByteArray tmp2 = tmp.toHex();
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//QIODevice::write(const char *data, qint64 maxSize)
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int num = m_serial->write(tmp);
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bool re = m_serial->waitForBytesWritten();
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if(re)
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{
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return num;
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}
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else
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{
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return -1;
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}
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}
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int QtSerialport::SendData(const char chrSendBuffer[],const unsigned short usLen)
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{
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int num = m_serial->write(chrSendBuffer, usLen);
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return num;
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}
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int QtSerialport::ReadData(char * receivedData)
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{
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FILE * fileHandle=fopen("D:\\cpp_qtcreator\\witmotionDll_use-build\\debug\\test.dat","w+b");
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QByteArray requestData;
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while (true)
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{
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//std::cout<<"SbgRecorder::startRecordSbg--------------:"<<std::endl;
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if(m_serial->waitForReadyRead())
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{
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//requestData.resize(m_serial->size());
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requestData = m_serial->readAll();
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std::cout<<"size: "<< requestData.size() <<std::endl;
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fwrite(requestData.data(),requestData.size(),1,fileHandle);
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// fflush(fileHandle);
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// if(!m_bIsSbgReady)
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// {
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// parseSbgMessage(&requestData);
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// }
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// parseSbgMessage(&requestData);//边采集惯导数据边解析，并不会导致惯导漏帧
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}
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else
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{
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std::cout<<"SbgRecorder::startRecordSbg----:Wait write response timeout"<<std::endl;
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}
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}
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return 0;
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}
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