FactoryBase (FB)¶

FUNCTION_BLOCK FactoryBase IMPLEMENTS IFactory

This function block implements the neccecary basic functionality for a function block factory.

• Memory allocator

  • AllocInstMem

  • FreeInstMem

  The allocator use the following properies as parameters.

  • InstSize reports the memory consumtion of the related function block instance.

  • InstPoolAdr, InstPoolSize => The instance pool is initialized with a static memory area.

  • InstCout, InstPoolSize => The instance pool is initilaized with a memory area from the heap.

  • InstPoolExtendsFactor => The instance pool can be extended dynamically with memeory areas from the heap.

• List management for handling the group of produces function block instances.

  • InsertInst

  • RemoveInst

Properties:

prvInstCount

prvInstPoolAdr

prvInstPoolExtendsFactor

prvInstPoolSize

prvInstSize

Methods:

FB_EXIT

FB_INIT

prvInstInit

Structure: