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nymea-zigbee
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Add support for floating point attribute parsing

pull/37/head
Michael Zanetti 2022-01-30 22:04:06 +01:00
parent df0b7e9c63
commit 977e31f2ba
2 changed files with 48 additions and 0 deletions
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45
libnymea-zigbee/zigbeedatatype.cpp
View File

@ -600,6 +600,51 @@ QString ZigbeeDataType::toString(bool *ok) const
return value;
}
float ZigbeeDataType::toFloat(bool *ok) const
{
if (ok) *ok = true;
float value = 0;
if (m_dataType == Zigbee::FloatSemi && m_data.length() == 2) {
value = (m_data.at(0) & 0xFF)
| ((m_data.at(1) & 0xFF00) << 8);
} else if (m_dataType == Zigbee::FloatSingle && m_data.length() == 4) {
value = (m_data.at(0) & 0xFF)
| ((m_data.at(1) & 0xFF00) << 8)
| ((m_data.at(2) & 0xFF0000) << 16)
| ((m_data.at(3) & 0xFF000000) << 24);
} else {
if (ok) *ok = false;
}
return value;
}
double ZigbeeDataType::toDouble(bool *ok) const
{
if (ok) *ok = true;
double value = 0;
if (m_dataType == Zigbee::FloatSemi && m_data.length() == 2) {
value = (m_data.at(0) & 0xFF)
| ((m_data.at(1) & 0xFF00) << 8);
} else if (m_dataType == Zigbee::FloatSingle && m_data.length() == 4) {
value = (m_data.at(0) & 0xFF)
| ((m_data.at(1) & 0xFF00) << 8)
| ((m_data.at(2) & 0xFF0000) << 16)
| ((m_data.at(3) & 0xFF000000) << 24);
} else if (m_dataType == Zigbee::FloatDouble && m_data.length() == 8) {
value = (m_data.at(0) & 0xFF)
| ((m_data.at(1) & 0xFF00) << 8)
| ((m_data.at(2) & 0xFF0000) << 16)
| ((m_data.at(3) & 0xFF000000) << 24)
| ((m_data.at(4) & 0xFF00000000) << 32)
| ((m_data.at(5) & 0xFF0000000000) << 40)
| ((m_data.at(6) & 0xFF000000000000) << 48)
| ((m_data.at(7) & 0xFF00000000000000) << 56);
} else {
if (ok) *ok = false;
}
return value;
}
Zigbee::DataType ZigbeeDataType::dataType() const
{
return m_dataType;

3
libnymea-zigbee/zigbeedatatype.h
View File

@ -69,6 +69,9 @@ public:
bool toBool(bool *ok = nullptr) const;
QString toString(bool *ok = nullptr) const;
float toFloat(bool *ok = nullptr) const;
double toDouble(bool *ok = nullptr) const;
Zigbee::DataType dataType() const;
QString name() const;
QString className() const;