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Added ability of the SubscribeCOV demo to subscribe to multiple objects in the device.

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This commit is contained in:
skarg
2011-11-22 22:47:22 +00:00
parent d3d2e9d030
commit abc8135eff
2 changed files with 96 additions and 43 deletions
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bacnet-stack/include/cov.h
+9 -7
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@@ -47,6 +47,7 @@ typedef struct BACnet_COV_Data {
BACNET_PROPERTY_VALUE *listOfValues;
} BACNET_COV_DATA;
struct BACnet_Subscribe_COV_Data;
typedef struct BACnet_Subscribe_COV_Data {
uint32_t subscriberProcessIdentifier;
BACNET_OBJECT_ID monitoredObjectIdentifier;
@@ -58,6 +59,7 @@ typedef struct BACnet_Subscribe_COV_Data {
float covIncrement; /* optional */
BACNET_ERROR_CLASS error_class;
BACNET_ERROR_CODE error_code;
struct BACnet_Subscribe_COV_Data *next;
} BACNET_SUBSCRIBE_COV_DATA;
#ifdef __cplusplus
@@ -131,14 +133,14 @@ extern "C" {
/** @defgroup DSCOV Data Sharing - Change of Value Service (DS-COV)
* @ingroup DataShare
* 13.1 Change of Value Reporting <br>
* Change of value (COV) reporting allows a COV-client to subscribe with a
* COV-server, on a permanent or temporary basis, to receive reports of some
* changes of value of some referenced property based on fixed criteria.
* If an object provides COV reporting, then changes of value of any
* Change of value (COV) reporting allows a COV-client to subscribe with a
* COV-server, on a permanent or temporary basis, to receive reports of some
* changes of value of some referenced property based on fixed criteria.
* If an object provides COV reporting, then changes of value of any
* subscribed-to properties of the object, in some cases based on programmable
* increments, trigger COV notifications to be sent to subscribing clients.
* Typically, COV notifications are sent to supervisory programs in COV-client
* devices or to operators or logging devices. Any object, proprietary or
* increments, trigger COV notifications to be sent to subscribing clients.
* Typically, COV notifications are sent to supervisory programs in COV-client
* devices or to operators or logging devices. Any object, proprietary or
* standard, may support COV reporting at the implementor's option.
*/
#endif