Linetool/data_frame.cpp

#include <qsettings.h>
#include <qfiledialog.h>
#include <qtextstream.h>
#include <qfile.h>
#include <QTextCodec>
#include <QCryptographicHash>
#include "data_frame.h"

char ConvertHexChar(char c)
{
    if((c >= '0') && (c <= '9'))
        return c - 0x30;
    else if((c >= 'A') && (c <= 'F'))
        return c - 'A' + 10;//'A' = 65;
    else if((c >= 'a') && (c <= 'f'))
        return c - 'a' + 10;
    else
        return -1;
}
void frame_decode_jtt808_msg(QString in,QString *out)
{
    QString f3_in = in.mid(2,in.length()-4);
    frame_decode_jtt808(f3_in,out);
}
void frame_decode_jtt808(QString in,QString *out)
{
    //in.toLower();

    QByteArray bytes = in.toLatin1();
    MsgHead_txt_2013 head;

    memcpy( &head, bytes.data(),  sizeof(head) );
    QString tmp ;
    out->append("\r\n数据帧头：\r\n");
    out->append("消息ID:");
    tmp = QString(QLatin1String((char *)head.msg_id));
    out->append(tmp.mid(0,sizeof(head.msg_id)));
    out->append("\r\n");

    out->append("消息体属性:");
    tmp = QString(QLatin1String((char *)head.attr));
    out->append(tmp.mid(0,sizeof(head.attr)));
    out->append("\r\n");

    out->append("终端手机号:");
    tmp = QString(QLatin1String((char *)head.phone));
    out->append(tmp.mid(0,sizeof(head.phone)));
    out->append("\r\n");

    out->append("消息流水号:");
    tmp = QString(QLatin1String((char *)head.sn));
    out->append(tmp.mid(0,sizeof(head.sn)));
    out->append("\r\n");


    QByteArray msg_data;
    QByteArray msg_crc;

    msg_crc  = bytes.right(2);
    uint32_t head_len = sizeof(head);
    if(1)
    {
       head_len  = head_len - 8;
    }

    msg_data = bytes.mid(head_len,bytes.length() - head_len - 2);

    out->append("消息体:");
    tmp = QString(msg_data);
    out->append(tmp);
    out->append("\r\n");

    out->append("校验值:");
    tmp = QString(msg_crc);
    out->append(tmp);
    out->append("\r\n");
}

void frame_decode_T2C(QString in,QString *out)
{

    QByteArray bytes = in.toLatin1();
    T2C_Header_txt head;


    memcpy( &head, bytes.data(),  sizeof(head) );
    QString tmp ;
    out->append("\r\n远程标定数据帧\r\n数据帧头：\r\n");
    out->append("帧头:");
    tmp = QString(QLatin1String((char *)head.frameflag));
    out->append(tmp.mid(0,sizeof(head.frameflag)));
    out->append("\r\n");

    out->append("扩展地址:");
    tmp = QString(QLatin1String((char *)head.deviceaddr));
    out->append(tmp.mid(0,sizeof(head.deviceaddr)));
    out->append("\r\n");

    out->append("读写功能码:");
    tmp = QString(QLatin1String((char *)head.functioncode));
    out->append(tmp.mid(0,sizeof(head.functioncode)));
    out->append("\r\n");

    out->append("命令码(寄存器地址):");
    tmp = QString(QLatin1String((char *)head.cmdcode));
    out->append(tmp.mid(0,sizeof(head.cmdcode)));
    out->append("\r\n");

    out->append("数据长度:");
    tmp = QString(QLatin1String((char *)head.datalength));
    out->append(tmp.mid(0,sizeof(head.datalength)));
    out->append("\r\n");

    out->append("保留字4字节:");
    tmp = QString(QLatin1String((char *)head.reserved));
    out->append(tmp.mid(0,sizeof(head.reserved)));
    out->append("\r\n");

    QByteArray msg_data;
    QByteArray msg_crc;

    msg_crc = bytes.right(4);
    msg_data = bytes.mid(sizeof(head),bytes.length() - sizeof(head) - msg_crc.length());

    out->append("消息体:");
    tmp = QString(msg_data);
    out->append(tmp);
    out->append("\r\n");

    out->append("校验值:");
    tmp = QString(msg_crc);
    out->append(tmp);
    out->append("\r\n");
}

//输入ASCII码，转换为数值
void frame_decode_ascii(QString in,QString *out)
{
    out->append("\r\nASCII码数据帧\r\n终端《========》控制器\r\n");
    in = in.mid(2,in.length() - 4 - 2);

    QByteArray bytes = in.toLatin1();
    bytes =bytes.fromHex(bytes);
    //QByteArray bytes_out;

    out->append(bytes);
}

void frame_decode_ascii_old(QString in,QString *out)
{
    out->append("\r\nASCII码数据帧\r\n终端《========》控制器\r\n");
    in = in.mid(2,in.length() - 4 - 2);

    QByteArray bytes = in.toLatin1();
    QByteArray bytes_out ;

    QString data;
    int i = 0;
    for(i = 0; i < in.length() ; i++)
    {
       bytes_out.append( ConvertHexChar(bytes.at(i)));
    }

    uint8_t hex_h = 0;
    uint8_t hex_l = 0;
    char hex[512] = {0};
    QString tmp ;
    for(i = 0; i < in.length()/2; i++)
    {
        hex_h  = bytes_out[2*i];
        hex_l  = bytes_out[2*i+1];
        hex[i] = (hex_h&0x0f)*16 + (hex_l&0x0f);
    }

    out->append(hex);

    //out->append(bytes_out);
}

void frame_to_ascii(QString in,QString *out)
{
    out->append("\r\nASCII转换为HEX\r\n");

    QByteArray bytes = in.toLatin1();
    //QByteArray bytes_out ;
    QByteArray bytes_hex ;

   // bytes_hex = bytes.toHex();
    //toHex转换为字符串输出
    //out->append(bytes_hex);

    bytes_hex = bytes.fromHex(bytes);

    //bytes_out = bytes_hex.fromHex(bytes_hex);

    out->append(bytes_hex);
}

void frame_to_ascii_old(QString in,QString *out)
{
    out->append("\r\nASCII转换为HEX\r\n");

    QByteArray bytes = in.toLatin1();
    QByteArray bytes_out ;

    QString data;
    int i = 0;
    for(i = 0; i < in.length() ; i++)
    {
       bytes_out.append( ConvertHexChar(bytes.at(i)));
    }

    uint8_t hex_h = 0;
    uint8_t hex_l = 0;
    char hex[512] = {0};
    QString tmp ;
    for(i = 0; i < in.length()/2; i++)
    {
        hex_h  = bytes_out[2*i];
        hex_l  = bytes_out[2*i+1];
        hex[i] = (hex_h&0x0f)*16 + (hex_l&0x0f);
    }

    out->append(hex);

    //out->append(bytes_out);
}

void frame_decode_recognize(QString in,QString *out)
{
    in = in.toLower();

    if((in.indexOf("3901") == 0)||
       (in.indexOf("3801") == 0)||
       (in.indexOf("4701") == 0))
    {
        frame_decode_T2C(in,out);
    }
    else if( (in.indexOf("3a")   == 0) &&
             (in.indexOf("0d0a") == (in.length() - 4))
           )
    {
       frame_decode_ascii(in,out);
    }
    else if( (in.indexOf("7e")   == 0) &&
                 (in.lastIndexOf("7e") == (in.length() - 2))
               )
    {
       frame_decode_jtt808_msg(in,out);
    }
    else
    {
        //frame_decode_jtt808(in,out);
    }
}