ua_pointerstore Struct Reference

Implementation of a store using in-memory float values. More...

#include <pointerstore.h>

Public Member Functions
static void	ua_pointerstore_get_value (void *pointerstore, ua_node_t node, unsigned int idx, bool source_ts, struct ua_indexrange *range, unsigned int num_ranges, struct ua_datavalue *result)
static ua_statuscode	ua_pointerstore_attach_value (void *pointerstore, ua_node_t node, unsigned int idx, struct ua_indexrange *range, unsigned int num_ranges, struct ua_datavalue *value)
int	ua_pointerstore_register_node (struct ua_pointerstore *store, ua_node_t node, void *variable, int index)
	Registers the given node in the pointerstore. More...
void **	ua_pointerstore_clear (struct ua_pointerstore *store)
	Clears the given store. More...
int	ua_pointerstore_init (struct ua_pointerstore *store, uint8_t storeidx, void **values, unsigned int num_values)
	Initializes the float store. More...
uint8_t	ua_pointerstore_get_storeindex (struct ua_pointerstore *store)
	Get the storeindex of a memorystore.

Data Fields
void **	values
	Array of pointers.
unsigned int	num_values
	Number of currently used values.
unsigned int	max_values
	Number of elements in the array.
uint8_t	storeidx
	Index of the store.

Detailed Description

Implementation of a store using in-memory float values.

This store allows to connect UA variable to existing C variables, by storing its pointer. The datatype must be set correctly in the datatype attribute of the variable. Only scalar types are supported, no arrays.

Member Function Documentation

static ua_statuscode ua_pointerstore_attach_value	(	void *	pointerstore,
		ua_node_t	node,
		unsigned int	idx,
		struct ua_indexrange *	range,
		unsigned int	num_ranges,
		struct ua_datavalue *	value
	)

Implementation of the ua_store_attach function for the pointerstore.

void ** ua_pointerstore_clear

(

struct ua_pointerstore *

store

)

Clears the given store.

Parameters

store

Pointer to store context.

Returns

The values array passed in ua_pointerstore_init.

static void ua_pointerstore_get_value	(	void *	pointerstore,
		ua_node_t	node,
		unsigned int	idx,
		bool	source_ts,
		struct ua_indexrange *	range,
		unsigned int	num_ranges,
		struct ua_datavalue *	result
	)

Implementation of the ua_store_get function for the pointerstore.

int ua_pointerstore_init	(	struct ua_pointerstore *	store,
		uint8_t	storeidx,
		void **	values,
		unsigned int	num_values
	)

Initializes the float store.

Parameters

store	Pointer to store context.
storeidx	Requested store index. 0 = auto assign new index.
values	Array of float values.
num_values	Array size of values.

Returns

Zero on success or errorcode on failure.

int ua_pointerstore_register_node	(	struct ua_pointerstore *	store,
		ua_node_t	node,
		void *	variable,
		int	index
	)

Registers the given node in the pointerstore.

This allocated a new slot in the real store and assigns the correct value_index to the node.

Parameters

store	Context of the pointerstore.
node	Handle of node associated with the value.
variable	Pointer to variable to associate with node.
index	Optional index. Set to -1 to auto-assign a free index and upate node accordingly. For constant address spaces you can assign the given value_index, that has been generated by xml2c. In this case the node will not be modified.

Returns

Zero on success or errorcode on failure.

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The documentation for this struct was generated from the following files:

• C:/work/embeddedstack/src/uaserver/valuestore/pointerstore.h
• C:/work/embeddedstack/src/uaserver/valuestore/pointerstore.c