Method AnalogSignal

DSView/pv/view/analogsignal.cpp:46–84

const float AnalogSignal::EnvelopeThreshold = 16.0f;

AnalogSignal::AnalogSignal(data::AnalogSnapshot *data, sr_channel *probe) :
    Signal(probe),
    _data(data),
    _rects(NULL),
    _hover_en(false),
    _hover_index(0),
    _hover_point(QPointF(-1, -1)),
    _hover_value(0)
{
    _typeWidth = 5;
    _colour = SignalColours[probe->index % countof(SignalColours)];

    uint32_t ui32;
     
    // channel bits
    bool ret  = session->get_device()->get_config_byte(SR_CONF_UNIT_BITS, _bits);
    if (!ret) { 
        _bits = DefaultBits;
        dsv_warn("%s%d", "Warning: config_get SR_CONF_UNIT_BITS failed, set to %d(default).", DefaultBits);
    }

    ret = session->get_device()->get_config_uint32(SR_CONF_REF_MIN, ui32);
    if (ret)
        _ref_min = (double)ui32;
    else
        _ref_min = 1;

    ret = session->get_device()->get_config_uint32(SR_CONF_REF_MAX, ui32);
    if (ret)
        _ref_max = (double)ui32;
    else
        _ref_max = ((1 << _bits) - 1);

    // -- vpos
    ret = session->get_device()->get_config_uint16( SR_CONF_PROBE_OFFSET, _zero_offset, _probe, NULL);
    if (!ret) {
        dsv_err("ERROR: config_get SR_CONF_PROBE_OFFSET failed.");
    }
}

AnalogSignal::AnalogSignal(view::AnalogSignal *s, pv::data::AnalogSnapshot *data, sr_channel *probe) :
    Signal(*s, probe),