jgh
Fork of BLE_API by
Diff: public/GattClient.h
- Revision:
- 564:1d8aa4ad07fe
- Parent:
- 559:1ee5106d3763
diff -r 62cc3335df23 -r 1d8aa4ad07fe public/GattClient.h --- a/public/GattClient.h Fri Jun 19 15:52:11 2015 +0100 +++ b/public/GattClient.h Fri Jun 19 15:52:11 2015 +0100 @@ -85,7 +85,6 @@ * UUID will result in complete service discovery--callbacks being * called for every service and characteristic. * - * * @note Providing NULL for the characteristic callback will result in * characteristic discovery being skipped for each matching * service. This allows for an inexpensive method to discover only @@ -103,6 +102,69 @@ } /** + * Launch service discovery for services. Once launched, service discovery will remain + * active with service-callbacks being issued back into the application for matching + * services. isServiceDiscoveryActive() can be used to + * determine status; and a termination callback (if setup) will be invoked + * at the end. Service discovery can be terminated prematurely if needed + * using terminateServiceDiscovery(). + * + * @param connectionHandle + * Handle for the connection with the peer. + * @param sc + * This is the application callback for matching service. Note: service discovery may still be active + * when this callback is issued; calling asynchronous BLE-stack + * APIs from within this application callback might cause the + * stack to abort service discovery. If this becomes an issue, it + * may be better to make local copy of the discoveredService and + * wait for service discovery to terminate before operating on the + * service. + * @param matchingServiceUUID + * UUID based filter for specifying a service in which the application is + * interested. By default it is set as the wildcard UUID_UNKNOWN, + * in which case it matches all services. + * + * @return + * BLE_ERROR_NONE if service discovery is launched successfully; else an appropriate error. + */ + virtual ble_error_t discoverServices(Gap::Handle_t connectionHandle, + ServiceDiscovery::ServiceCallback_t callback, + const UUID &matchingServiceUUID = UUID::ShortUUIDBytes_t(BLE_UUID_UNKNOWN)) { + return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */ + } + + /** + * Launch service discovery for services. Once launched, service discovery will remain + * active with service-callbacks being issued back into the application for matching + * services. isServiceDiscoveryActive() can be used to + * determine status; and a termination callback (if setup) will be invoked + * at the end. Service discovery can be terminated prematurely if needed + * using terminateServiceDiscovery(). + * + * @param connectionHandle + * Handle for the connection with the peer. + * @param sc + * This is the application callback for matching service. Note: service discovery may still be active + * when this callback is issued; calling asynchronous BLE-stack + * APIs from within this application callback might cause the + * stack to abort service discovery. If this becomes an issue, it + * may be better to make local copy of the discoveredService and + * wait for service discovery to terminate before operating on the + * service. + * @param startHandle, endHandle + * Handle range within which to limit the search + * + * @return + * BLE_ERROR_NONE if service discovery is launched successfully; else an appropriate error. + */ + virtual ble_error_t discoverServices(Gap::Handle_t connectionHandle, + ServiceDiscovery::ServiceCallback_t callback, + GattAttribute::Handle_t startHandle, + GattAttribute::Handle_t endHandle) { + return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */ + } + + /** * Is service-discovery currently active? */ virtual bool isServiceDiscoveryActive(void) const {