jia_tan_diyic/handle/seriport/assictscalet2000.cpp

#include "assictscalet2000.h"
#include <QList>
#include "globalinfo.h"

AssicTScaleT2000::AssicTScaleT2000()
{

}

AssicTScaleT2000::~AssicTScaleT2000()
{

}

bool AssicTScaleT2000::needSend()
{
    return false;
}

QByteArray AssicTScaleT2000::sendData()
{
    return QByteArray();
}


void AssicTScaleT2000::handle(QByteArray &data)
{
    int newstart = 0;
    int scan = m_inbuffer.size();

    m_inbuffer.append(data);

    while (newstart < m_inbuffer.size()) {
        int start = newstart;
        int end = m_inbuffer.indexOf('\n', scan);
        if (end < 0) {
            m_inbuffer.remove(0, start);
            return;
        }
        newstart = end + 1;
        scan = newstart;
        if (end == start)
            continue;
        if (m_inbuffer.at(end - 1) == '\r') {
            --end;
            if (end == start)
                continue;
        }
        QByteArray line(m_inbuffer.constData() + start, end - start);
        readData(line);
    }
    m_inbuffer.clear();

}

void AssicTScaleT2000::readData(QByteArray & data)
{
    QList<QByteArray> list = data.split(',');
    auto buff = list.last();
    const char * from = buff.constData();
    const char *to = from + buff.size();
    const char *inner;

    // Token is a sequence of numbers.
    for (inner = from; inner != to; ++inner)
        if (*inner != '.' && (*inner < '0' || *inner > '9'))
            break;
    if (from != inner) {
        double token = QByteArray(from, inner - from).toDouble();
        scaledata _scaledata;
        _scaledata.gross_widget = token;
        GlobalInfo::this_()->SetScaleData(_scaledata);
    }
}