代碼摘錄

 const unsigned char s[8]={0x80,0x80,0x43,0x00,0x00,0x00,0x43,0x00};

      serial.write((char*)s,8);
   unsigned char d[8];
            d[0] = 0x80;
            d[0] = 128;
            d[1] = 0x80;
            d[2] = 0x52;
            d[3] = 0x00;
            d[4] = 0x00;
            d[5] = 0x00;
            d[6] = 0x52;
            d[7] = 0x00;
            QByteArray  sen;
            sen.append(0x80);
            sen.append(0x80);
            // sen.append(0x52);
            int i= 0x0;
            sen.append(qToBigEndian(82));
            sen.append(i);
            sen.append(i);
            sen.append(i);

            //  sen.append(0x52);
            sen.append(qToLittleEndian(82));
            sen.append(i);

            // qToBigEndian(1000);

            m_reader.write(sen,8);
                QString key;

    key =  QString("%1").arg(10000,4,16,QLatin1Char('0'));
    qDebug()<<key[2]<<key[3] << key[0]<< key[1];
    qDebug()<<key;