knx/association_table_object.cpp
2018-04-25 23:20:00 +02:00

87 lines
1.9 KiB
C++

#include <cstring>
#include "association_table_object.h"
#include "bits.h"
using namespace std;
AssociationTableObject::AssociationTableObject(uint8_t* memoryReference): TableObject(memoryReference)
{
}
void AssociationTableObject::readProperty(PropertyID id, uint32_t start, uint32_t& count, uint8_t* data)
{
switch (id)
{
case PID_OBJECT_TYPE:
pushWord(OT_ASSOC_TABLE, data);
break;
default:
TableObject::readProperty(id, start, count, data);
}
}
uint16_t AssociationTableObject::entryCount()
{
return ntohs(_tableData[0]);
}
uint16_t AssociationTableObject::operator[](uint16_t idx)
{
if (idx < 0 || idx >= entryCount())
return 0;
return ntohs(_tableData[idx + 1]);
}
uint8_t* AssociationTableObject::save(uint8_t* buffer)
{
return TableObject::save(buffer);
}
uint8_t* AssociationTableObject::restore(uint8_t* buffer)
{
buffer = TableObject::restore(buffer);
_tableData = (uint16_t*)_data;
return buffer;
}
int32_t AssociationTableObject::translateAsap(uint16_t asap)
{
uint16_t entries = entryCount();
for (uint16_t i = 0; i < entries; i++)
{
uint16_t entry = ntohs(operator[](i));
if (lowByte(entry) == asap)
return highByte(entry);
}
return -1;
}
void AssociationTableObject::beforeStateChange(LoadState& newState)
{
if (newState != LS_LOADED)
return;
_tableData = (uint16_t*)_data;
}
static PropertyDescription _propertyDescriptions[] =
{
{ PID_OBJECT_TYPE, false, PDT_UNSIGNED_INT, 1, ReadLv3 | WriteLv0 },
{ PID_TABLE, false, PDT_GENERIC_02, 254, ReadLv3 | WriteLv0 }
};
static uint8_t _propertyCount = sizeof(_propertyDescriptions) / sizeof(PropertyDescription);
uint8_t AssociationTableObject::propertyCount()
{
return _propertyCount;
}
PropertyDescription* AssociationTableObject::propertyDescriptions()
{
return _propertyDescriptions;
}