High level Bluetooth Low Energy API and radio abstraction layer
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Diff: ble/CharacteristicDescriptorDiscovery.h
- Revision:
- 1064:17f8e6339e57
- Parent:
- 1063:187f9929cb60
--- a/ble/CharacteristicDescriptorDiscovery.h Mon Jan 11 08:51:37 2016 +0000 +++ b/ble/CharacteristicDescriptorDiscovery.h Mon Jan 11 08:51:38 2016 +0000 @@ -19,37 +19,79 @@ #include "FunctionPointerWithContext.h" -class DiscoveredCharacteristic; -class DiscoveredCharacteristicDescriptor; +class DiscoveredCharacteristic; // forward declaration +class DiscoveredCharacteristicDescriptor; // forward declaration +/** + * @brief Contain all definitions of callbacks and callbacks parameters types + * related to characteristic descriptor discovery. + * + * @details This class act like a namespace for characteristic descriptor discovery + * types. It act like ServiceDiscovery by providing callbacks and callbacks + * parameters types related to the characteristic descriptor discovery process but + * contrary to ServiceDiscovery class, it does not force the porter to use a + * specific interface for the characteristic descriptor discovery process. + */ class CharacteristicDescriptorDiscovery { public: - /* - * Exposed application callback types. + /** + * @brief Parameter type of CharacteristicDescriptorDiscovery::DiscoveryCallback_t. + * @detail Every time a characteristic descriptor has been discovered, the callback + * registered for the discovery operation through GattClient::discoverCharacteristicDescriptors + * or DiscoveredCharacteristic::discoverDescriptors will be called with this parameter. + * */ struct DiscoveryCallbackParams_t { + /** + * The characteristic owning the DiscoveredCharacteristicDescriptor + */ const DiscoveredCharacteristic& characteristic; + + /** + * The characteristic descriptor discovered + */ const DiscoveredCharacteristicDescriptor& descriptor; }; - struct TerminationCallbackParams_t { + /** + * @brief Parameter type of CharacteristicDescriptorDiscovery::TerminationCallback_t. + * @details Once a characteristic descriptor discovery process terminate, the termination + * callback registered for the discovery operation through + * GattClient::discoverCharacteristicDescriptors or DiscoveredCharacteristic::discoverDescriptors + * will be called with this parameter. + */ + struct TerminationCallbackParams_t { + /** + * The characteristic for which the descriptors has been discovered + */ const DiscoveredCharacteristic& characteristic; + + /** + * status of the discovery operation + */ ble_error_t status; }; /** - * Callback type for when a matching characteristic descriptor is found during - * characteristic descriptor discovery. The receiving function is passed in a - * pointer to a DiscoveryCallbackParams_t 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 + * @brief Callback type for when a matching characteristic descriptor is found during + * characteristic descriptor discovery. + * + * @param param A pointer to a DiscoveryCallbackParams_t 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 FunctionPointerWithContext<const DiscoveryCallbackParams_t*> DiscoveryCallback_t; /** - * Callback type for when characteristic descriptor discovery terminates. + * @brief Callback type for when characteristic descriptor discovery terminates. + * + * @param param A pointer to a TerminationCallbackParams_t 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 FunctionPointerWithContext<const TerminationCallbackParams_t*> TerminationCallback_t; };