105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
#include "appserial.h"
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#include <QSerialPort>
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#include <QSerialPortInfo>
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#include <QDebug>
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#include <QApplication>
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#include <QMutex>
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#include <dbt.h>
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AppSerial::AppSerial(QObject *parent) : QObject(parent)
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{
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qApp->installNativeEventFilter(this); // 安装事件过滤器
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m_SerialPort = new QSerialPort;
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connect(m_SerialPort, &QSerialPort::readyRead, this, &AppSerial::slot_RecvSerialData);
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}
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AppSerial::~AppSerial()
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{
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m_SerialPort->close();
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delete m_SerialPort;
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}
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/**
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* @brief 获取系统中所有可用的串口名
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* @return
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*/
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QStringList AppSerial::getAvailablePort()
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{
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QStringList strName;
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foreach(const QSerialPortInfo& info, QSerialPortInfo::availablePorts())
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{
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QSerialPort port(info);
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if(port.open(QIODevice::ReadWrite))
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{
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strName << info.portName() + "(" + info.manufacturer() + ")";
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// qDebug() << strName;
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port.close();
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}
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}
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strName.sort();
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return strName;
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}
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/**
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* @brief 设置窗口句柄用于过滤事件
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* @param hwnd
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*/
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void AppSerial::setHWND(HWND hwnd)
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{
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this->m_hwnd = hwnd;
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}
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bool AppSerial::nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result)
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{
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Q_UNUSED(eventType);
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Q_UNUSED(result);
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MSG* msg = reinterpret_cast<MSG*>(message);
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int msgType = msg->message;
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if (msgType == WM_DEVICECHANGE) {
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PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam;
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switch (msg->wParam) {
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case DBT_DEVICEARRIVAL:
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/* 串口插入事件 */
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if (lpdb->dbch_devicetype == DBT_DEVTYP_PORT) {
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PDEV_BROADCAST_PORT lpdbv = (PDEV_BROADCAST_PORT)lpdb;
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QString portName = QString::fromWCharArray(lpdbv->dbcp_name);//插入的串口名
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emit comChangeStatus(portName, true);
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}
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break;
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case DBT_DEVICEREMOVECOMPLETE:
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/* 串口拔出事件 */
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if (lpdb->dbch_devicetype == DBT_DEVTYP_PORT) {
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PDEV_BROADCAST_PORT lpdbv = (PDEV_BROADCAST_PORT)lpdb;
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QString portName = QString::fromWCharArray(lpdbv->dbcp_name);//拔出的串口名
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emit comChangeStatus(portName, false);
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}
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break;
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case DBT_DEVNODES_CHANGED:
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break;
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default:
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break;
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}
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}
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return false;
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}
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void AppSerial::slot_RecvSerialData()
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{
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QByteArray recvData = m_SerialPort->readAll();
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emit sig_RecvSerialData(recvData, TypeRecvData);
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// qDebug() << __FUNCTION__ << "recvData:" << recvData;
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}
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void AppSerial::slot_SendSerialData(const QByteArray &sendData)
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{
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emit sig_RecvSerialData(sendData, TypeSendData);
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qDebug() << __FUNCTION__ << "recvData:" << sendData;
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m_SerialPort->write(sendData);
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if (m_SerialPort->waitForBytesWritten(3000)) {
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// 数据成功写入
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} else {
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// 写入失败
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}
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}
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