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add comment why _size field is needed

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This commit is contained in:
Julius Lipp 2021-04-13 23:27:39 +02:00
parent 649535d4c4
commit dbba1485df
1 changed files with 6 additions and 0 deletions
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6
src/knx/table_object.h
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@ -68,5 +68,11 @@ class TableObject: public InterfaceObject
LoadState _state = LS_UNLOADED;
Memory& _memory;
uint8_t *_data = 0;
/**
* used to store size of data() in allocTable(), needed for calculation of crc in PID_MCB_TABLE.
* This value is also saved and restored.
* The size of the memory block cannot be used because it is changed during alignment to page size.
*/
uint32_t _size = 0;
};