void HciManager::handleLeMetaEvent(const quint8 *data)
{
// Spec v4.2, Vol 2, part E, 7.7.65ff
switch (*data) {
case 0x1: {
const quint16 handle = bt_get_le16(data + 2);
emit connectionComplete(handle);
break;
}
case 0x3: {
// TODO: From little endian!
struct ConnectionUpdateData {
quint8 status;
quint16 handle;
quint16 interval;
quint16 latency;
quint16 timeout;
} __attribute((packed));
const auto * const updateData
= reinterpret_cast<const ConnectionUpdateData *>(data + 1);
if (updateData->status == 0) {
QLowEnergyConnectionParameters params;
const double interval = qFromLittleEndian(updateData->interval) * 1.25;
params.setIntervalRange(interval, interval);
params.setLatency(qFromLittleEndian(updateData->latency));
params.setSupervisionTimeout(qFromLittleEndian(updateData->timeout) * 10);
emit connectionUpdate(qFromLittleEndian(updateData->handle), params);
}
break;
}
default:
break;
}
}
ConnectionUpdateData connectionUpdateData(const QLowEnergyConnectionParameters ¶ms)
{
ConnectionUpdateData data;
const quint16 minInterval = forceIntervalIntoRange(params.minimumInterval());
const quint16 maxInterval = forceIntervalIntoRange(params.maximumInterval());
data.minInterval = qToLittleEndian(minInterval);
data.maxInterval = qToLittleEndian(maxInterval);
const quint16 latency = qMax<quint16>(0, qMin<quint16>(params.latency(), 499));
data.slaveLatency = qToLittleEndian(latency);
const quint16 timeout
= qMax<quint16>(100, qMin<quint16>(32000, params.supervisionTimeout())) / 10;
data.timeout = qToLittleEndian(timeout);
return data;
}
/*!
Returns \a true if \a p1 and \a p2 are equal with respect to their public state,
otherwise returns false.
*/
bool operator==(const QLowEnergyConnectionParameters &p1, const QLowEnergyConnectionParameters &p2)
{
if (p1.d == p2.d)
return true;
return p1.minimumInterval() == p2.minimumInterval()
&& p1.maximumInterval() == p2.maximumInterval()
&& p1.latency() == p2.latency()
&& p1.supervisionTimeout() == p2.supervisionTimeout();
}