VideoClient98/src/commandwidget.cpp

#include "commandwidget.h"

#include "ui_commandwidget.h"

CommandWidget::CommandWidget(QWidget *parent)
    : QWidget(parent), ui(new Ui::CommandWidget) {
    ui->setupUi(this);

    m_commandUdpSocket = new QUdpSocket(this);
    // 将套接字绑定到指定端口
    if (m_commandUdpSocket->bind(QHostAddress::Any, 1200)) {
        qDebug() << "UDP 套接字已绑定到端口 1200";
    } else {
        qDebug() << "绑定 UDP 套接字失败";
    }
}

CommandWidget::~CommandWidget() {
    delete ui;
    if (m_commandUdpSocket) m_commandUdpSocket->deleteLater();
}

void CommandWidget::receiveMessageSlots(QString message, int type) {
    emit sendErrorMessage(message, type);
}

unsigned char CommandWidget::getCrc(quint8 *data, quint8 length) {
    quint16 crc = 0;
    int i = 0;
    while (length-- > 0) {
        crc = CRC8TAB[crc ^ (data[i] & 0x00FF)];

        i++;
    }

    return crc & 0x00ff;
}

ProtocalKB CommandWidget::EncodeCommandCmd(quint8 cmd) {
    std::unique_ptr<ProtocalKB> pBuff = std::make_unique<ProtocalKB>();
    pBuff->head[0] = PROTOCOL_HEAD_0;
    pBuff->head[1] = PROTOCOL_HEAD_1;
    pBuff->reserved = PROTOCOL_RESERVED;
    pBuff->data[0] = cmd;
    pBuff->data[1] = cmd;
    pBuff->data[2] = cmd;
    pBuff->curPage = PROTOCOL_CUR_PAGE;
    quint8 *ptr = reinterpret_cast<quint8 *>(&pBuff);
    pBuff->CHKSUM = getCrc(ptr, sizeof(pBuff) - sizeof(pBuff->CHKSUM));

    return *pBuff;
}

bool CommandWidget::writeBufferToClient(const QByteArray &data) {
    // 目标地址和端口
    QHostAddress destination("172.10.1.216");  // 目标 IP 地址
    quint16 port = 9003;                       // 目标端口

    // 发送数据
    qint64 bytesSent =
        m_commandUdpSocket->writeDatagram(data, destination, port);
    if (bytesSent == -1) {
        qDebug() << "发送失败：" << m_commandUdpSocket->errorString();
        return false;
    } else {
        qDebug() << "发送成功，字节数:" << bytesSent;
        return true;
    }
}

void CommandWidget::buttonResponse(quint8 cmd) {
    ProtocalKB packet = EncodeCommandCmd(cmd);
    // 将 ProtocalKB 结构体转换为 QByteArray
    QByteArray data;
    data.append(reinterpret_cast<const char *>(&packet), sizeof(ProtocalKB));
    for (int i = 0; i < 3; i++) {
        writeBufferToClient(data);
    }
}

void CommandWidget::on_pushButton_clicked() {
    buttonResponse(0x75);
}

void CommandWidget::on_pushButton_2_clicked() {
    buttonResponse(0x76);
}

void CommandWidget::on_pushButton_5_clicked() {
    buttonResponse(0x7D);
}

void CommandWidget::on_pushButton_6_clicked() {
    buttonResponse(0x7C);
}

void CommandWidget::on_pushButton_10_clicked() {
    buttonResponse(0x69);
}

void CommandWidget::on_pushButton_9_clicked() {
    buttonResponse(0x6A);
}

void CommandWidget::on_pushButton_4_clicked() {
    buttonResponse(0x77);
}

void CommandWidget::on_pushButton_3_clicked() {
    buttonResponse(0x78);
}

void CommandWidget::on_pushButton_14_clicked() {
    buttonResponse(0x79);
}

void CommandWidget::on_pushButton_13_clicked() {
    buttonResponse(0xC6);
}

void CommandWidget::on_pushButton_17_clicked() {
    buttonResponse(0x66);
}

void CommandWidget::on_pushButton_8_clicked() {
    buttonResponse(0x67);
}

void CommandWidget::on_pushButton_7_clicked() {
    buttonResponse(0x68);
}

void CommandWidget::on_pushButton_12_clicked() {
    buttonResponse(0x7B);
}

void CommandWidget::on_pushButton_11_clicked() {
    buttonResponse(0x7A);
}

void CommandWidget::on_pushButton_16_clicked() {
    buttonResponse(0xC8);
}

void CommandWidget::on_pushButton_15_clicked() {
    buttonResponse(0xC9);
}