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Add comments to explain memory lifetimes for the discovered objects within discovery callbacks.

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This commit is contained in:
Rohit Grover 2015-06-03 13:23:55 +01:00
parent 0390ccc1ea
commit ecdb5f5121
1 changed files with 22 additions and 0 deletions
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22
public/ServiceDiscovery.h
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@ -28,8 +28,30 @@ public:
/*
* Exposed application callback types.
*/
/**
* Callback type for when a matching Service is found during service-
* discovery. The receiving function is passed in a pointer to a
* DiscoveredService object which will remain valid for the lifetime of the
* callback. Memory for this object is owned by the BLE_API eventing
* framework. The application can safely make a persistent shallow-copy of
* this object in order to work with the service beyond the callback.
*/
typedef void (*ServiceCallback_t)(const DiscoveredService *);
/**
* Callback type for when a matching Characteristic is found during service-
* discovery. The receiving function is passed in a pointer to a
* DiscoveredCharacteristic object which will remain valid for the lifetime
* of the callback. Memory for this object is owned by the BLE_API eventing
* framework. The application can safely make a persistent shallow-copy of
* this object in order to work with the characteristic beyond the callback.
*/
typedef void (*CharacteristicCallback_t)(const DiscoveredCharacteristic *);
/**
* Callback type for when serviceDiscovery terminates.
*/
typedef void (*TerminationCallback_t)(Gap::Handle_t connectionHandle);
public: