7e3593c898
功能： - UDP端口监听，实时接收数据 - 解析16通道逗号分隔的ADC数据 - 实时波形绘制（支持滚轮缩放、右键拖拽、双击恢复） - 数据自动保存到 data_端口号/ 目录 - 支持打开历史CSV文件回放查看 - 16通道独立颜色，可切换显示/隐藏 - 深色主题界面
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#include "udpreceiver.h"
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#include <QNetworkInterface>
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UdpReceiver::UdpReceiver(QObject *parent)
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: QObject(parent)
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, m_socket(new QUdpSocket(this))
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, m_port(0)
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{
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connect(m_socket, &QUdpSocket::readyRead, this, &UdpReceiver::onReadyRead);
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}
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UdpReceiver::~UdpReceiver()
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{
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stop();
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}
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bool UdpReceiver::start(quint16 port)
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{
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stop();
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m_port = port;
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if (!m_socket->bind(QHostAddress::AnyIPv4, port, QUdpSocket::ShareAddress)) {
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emit errorOccurred(QString("无法绑定端口 %1: %2").arg(port).arg(m_socket->errorString()));
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return false;
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}
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// 设置足够大的缓冲区
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m_socket->setSocketOption(QAbstractSocket::ReceiveBufferSizeSocketOption, 8 * 1024 * 1024);
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return true;
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}
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void UdpReceiver::stop()
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{
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m_socket->close();
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m_port = 0;
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}
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bool UdpReceiver::isRunning() const
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{
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return m_socket->state() == QAbstractSocket::BoundState;
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}
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void UdpReceiver::onReadyRead()
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{
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while (m_socket->hasPendingDatagrams()) {
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QByteArray datagram;
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datagram.resize(m_socket->pendingDatagramSize());
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m_socket->readDatagram(datagram.data(), datagram.size());
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emit dataReceived(datagram);
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}
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}
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