characteristicinfo.cpp Example File

lowenergyscanner/characteristicinfo.cpp
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#include "characteristicinfo.h" #include "qbluetoothuuid.h" #include <QByteArray> CharacteristicInfo::CharacteristicInfo() { } CharacteristicInfo::CharacteristicInfo(const QLowEnergyCharacteristic &characteristic): m_characteristic(characteristic) { } void CharacteristicInfo::setCharacteristic(const QLowEnergyCharacteristic &characteristic) { m_characteristic = characteristic; emit characteristicChanged(); } QString CharacteristicInfo::getName() const { QString name = m_characteristic.name(); if (!name.isEmpty()) return name; // find descriptor with CharacteristicUserDescription foreach (const QLowEnergyDescriptor &descriptor, m_characteristic.descriptors()) { if (descriptor.type() == QBluetoothUuid::CharacteristicUserDescription) { name = descriptor.value(); break; } } if (name.isEmpty()) name = "Unknown"; return name; } QString CharacteristicInfo::getUuid() const { const QBluetoothUuid uuid = m_characteristic.uuid(); bool success = false; quint16 result16 = uuid.toUInt16(&success); if (success) return QStringLiteral("0x") + QString::number(result16, 16); quint32 result32 = uuid.toUInt32(&success); if (success) return QStringLiteral("0x") + QString::number(result32, 16); return uuid.toString().remove(QLatin1Char('{')).remove(QLatin1Char('}')); } QString CharacteristicInfo::getValue() const { // Show raw string first and hex value below QByteArray a = m_characteristic.value(); QString result; if (a.isEmpty()) { result = QStringLiteral("<none>"); return result; } result = a; result += QLatin1Char('\n'); result += a.toHex(); return result; } QString CharacteristicInfo::getHandle() const { return QStringLiteral("0x") + QString::number(m_characteristic.handle(), 16); } QString CharacteristicInfo::getPermission() const { QString properties = "( "; int permission = m_characteristic.properties(); if (permission & QLowEnergyCharacteristic::Read) properties += QStringLiteral(" Read"); if (permission & QLowEnergyCharacteristic::Write) properties += QStringLiteral(" Write"); if (permission & QLowEnergyCharacteristic::Notify) properties += QStringLiteral(" Notify"); if (permission & QLowEnergyCharacteristic::Indicate) properties += QStringLiteral(" Indicate"); if (permission & QLowEnergyCharacteristic::ExtendedProperty) properties += QStringLiteral(" ExtendedProperty"); if (permission & QLowEnergyCharacteristic::Broadcasting) properties += QStringLiteral(" Broadcast"); if (permission & QLowEnergyCharacteristic::WriteNoResponse) properties += QStringLiteral(" WriteNoResp"); if (permission & QLowEnergyCharacteristic::WriteSigned) properties += QStringLiteral(" WriteSigned"); properties += " )"; return properties; } QLowEnergyCharacteristic CharacteristicInfo::getCharacteristic() const { return m_characteristic; }