当前位置：首页 > news >正文

基于Qt的串口调试工具

news 2025/5/15 15:54:10

1.项目地址

https://github.com/zhangjiechina001/SerialPortTool

2.核心类

头文件

#ifndef SERIALPORTWRAP_H
#define SERIALPORTWRAP_H
#pragma execution_character_set("utf-8")
#include <QObject>
#include <QSerialPort>class SerialPortWrap : public QObject
{Q_OBJECT
public:static QMap<QString,QSerialPort::Parity> getParityMap();static QMap<QString,QSerialPort::DataBits> getDataMap();static QMap<QString,QSerialPort::StopBits> getStopMap();static QMap<QString, QSerialPort::FlowControl> getFlowMap();public:explicit SerialPortWrap(QObject *parent = nullptr);void setSerialPort(QSerialPort *port);bool sendNoReply(QByteArray data);bool sendReply(QByteArray data, QByteArray &rec);signals:void receivedData(QByteArray data);public slots:private:QSerialPort *_serial=nullptr;QList<QByteArray> _recList;void waitMs(int ms);private slots:void onError(QSerialPort::SerialPortError err);void onReadyReady();
};#endif // SERIALPORTWRAP_H

cpp

#include <QMap>
#include <QDebug>
#include <QEventLoop>
#include <QElapsedTimer>
#include <QTimer>
#include "serialportwrap.h"QMap<QString, QSerialPort::Parity> SerialPortWrap::getParityMap()
{QMap<QString,QSerialPort::Parity> parityMap={{"NoPraity",QSerialPort::NoParity},{"EvenParity",QSerialPort::EvenParity},{"OddParity",QSerialPort::OddParity},{"SpaceParity",QSerialPort::SpaceParity},{"MarkParity",QSerialPort::MarkParity}};return parityMap;
}QMap<QString, QSerialPort::DataBits> SerialPortWrap::getDataMap()
{QMap<QString,QSerialPort::DataBits> dataMap={{"Data5",QSerialPort::Data5},{"Data6",QSerialPort::Data6},{"Data7",QSerialPort::Data7},{"Data8",QSerialPort::Data8}};return dataMap;
}QMap<QString, QSerialPort::StopBits> SerialPortWrap::getStopMap()
{QMap<QString,QSerialPort::StopBits> stopMap={{"OneStop",QSerialPort::OneStop},{"OneAndHalfStop",QSerialPort::OneAndHalfStop},{"TwoStop",QSerialPort::TwoStop}};return stopMap;
}QMap<QString, QSerialPort::FlowControl> SerialPortWrap::getFlowMap()
{QMap<QString,QSerialPort::FlowControl> flowMap={{"NoFlowControl",QSerialPort::NoFlowControl},{"HardwareControl",QSerialPort::HardwareControl},{"SoftwareControl",QSerialPort::SoftwareControl},{"UnknownFlowControl",QSerialPort::UnknownFlowControl}};return flowMap;
}SerialPortWrap::SerialPortWrap(QObject *parent) : QObject(parent)
{}void SerialPortWrap::setSerialPort(QSerialPort *port)
{_serial=port;connect(_serial,&QSerialPort::errorOccurred,this,&SerialPortWrap::onError);connect(_serial,&QSerialPort::readyRead,this,&SerialPortWrap::onReadyReady);
}bool SerialPortWrap::sendNoReply(QByteArray data)
{_recList.clear();return  _serial->write(data)!=-1;
}bool SerialPortWrap::sendReply(QByteArray data,QByteArray &rec)
{_recList.clear();_serial->write(data);QElapsedTimer ela;ela.start();while(_recList.count()==0){waitMs(100);if(ela.elapsed()>3000){throw QString("%1 time out").arg(_serial->portName());}}waitMs(50);QByteArray arr;for(int i=0;i<_recList.count();i++){arr.append(_recList.at(i));}rec=arr;return true;
}void SerialPortWrap::waitMs(int ms)
{QEventLoop loop;QTimer::singleShot(ms, &loop, &QEventLoop::quit);  // 设置定时器，在超时时退出事件循环loop.exec();  // 进入事件循环
}void SerialPortWrap::onError(QSerialPort::SerialPortError err)
{qDebug()<<__FUNCTION__<<__LINE__<<_serial->portName()<<_serial->errorString();
}void SerialPortWrap::onReadyReady()
{QByteArray arr=_serial->readAll();_recList.append(arr);emit receivedData(arr);
}