test
Fork of nRF51822 by
Diff: btle/btle_discovery.h
- Revision:
- 332:b054000833d4
- Parent:
- 316:1ccf6ee70900
--- a/btle/btle_discovery.h Fri Jun 19 15:55:32 2015 +0100 +++ b/btle/btle_discovery.h Fri Jun 19 15:55:32 2015 +0100 @@ -17,242 +17,6 @@ #ifndef _BTLE_DISCOVERY_H_ #define _BTLE_DISCOVERY_H_ -#include "ble.h" -#include "ServiceDiscovery.h" -#include "nRFDiscoveredCharacteristic.h" - void bleGattcEventHandler(const ble_evt_t *p_ble_evt); -class NordicServiceDiscovery : public ServiceDiscovery -{ -public: - static const uint16_t SRV_DISC_START_HANDLE = 0x0001; /**< The start handle value used during service discovery. */ - static const uint16_t SRV_DISC_END_HANDLE = 0xFFFF; /**< The end handle value used during service discovery. */ - -public: - static const unsigned BLE_DB_DISCOVERY_MAX_SRV = 4; /**< Maximum number of services we can retain information for after a single discovery. */ - static const unsigned BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV = 4; /**< Maximum number of characteristics per service we can retain information for. */ - -public: - NordicServiceDiscovery() : serviceIndex(0), - numServices(0), - characteristicIndex(0), - numCharacteristics(0), - state(INACTIVE), - services(), - characteristics(), - serviceUUIDDiscoveryQueue(this), - charUUIDDiscoveryQueue(this), - onTerminationCallback(NULL) { - /* empty */ - } - -public: - ble_error_t launchCharacteristicDiscovery(Gap::Handle_t connectionHandle, Gap::Handle_t startHandle, Gap::Handle_t endHandle); - -public: - void setupDiscoveredServices(const ble_gattc_evt_prim_srvc_disc_rsp_t *response); - void setupDiscoveredCharacteristics(const ble_gattc_evt_char_disc_rsp_t *response); - - void triggerServiceUUIDDiscovery(void); - void processDiscoverUUIDResponse(const ble_gattc_evt_char_val_by_uuid_read_rsp_t *response); - void removeFirstServiceNeedingUUIDDiscovery(void); - - void terminateServiceDiscovery(void) { - bool wasActive = isActive(); - state = INACTIVE; - - if (wasActive && onTerminationCallback) { - onTerminationCallback(connHandle); - } - } - - void terminateCharacteristicDiscovery(void) { - if (state == CHARACTERISTIC_DISCOVERY_ACTIVE) { - state = SERVICE_DISCOVERY_ACTIVE; - } - serviceIndex++; /* Progress service index to keep discovery alive. */ - } - - bool isActive(void) const { - return state != INACTIVE; - } - - void setOnTermination(TerminationCallback_t callback) { - onTerminationCallback = callback; - } - -private: - void resetDiscoveredServices(void) { - numServices = 0; - serviceIndex = 0; - } - - void resetDiscoveredCharacteristics(void) { - numCharacteristics = 0; - characteristicIndex = 0; - } - -public: - void serviceDiscoveryStarted(Gap::Handle_t connectionHandle) { - connHandle = connectionHandle; - resetDiscoveredServices(); - state = SERVICE_DISCOVERY_ACTIVE; - } - -private: - void characteristicDiscoveryStarted(Gap::Handle_t connectionHandle) { - connHandle = connectionHandle; - resetDiscoveredCharacteristics(); - state = CHARACTERISTIC_DISCOVERY_ACTIVE; - } - -private: - /** - * A datatype to contain service-indices for which long UUIDs need to be - * discovered using read_val_by_uuid(). - */ - class ServiceUUIDDiscoveryQueue { - public: - ServiceUUIDDiscoveryQueue(NordicServiceDiscovery *parent) : - numIndices(0), - serviceIndices(), - parentDiscoveryObject(parent) { - /* empty */ - } - - public: - void reset(void) { - numIndices = 0; - for (unsigned i = 0; i < BLE_DB_DISCOVERY_MAX_SRV; i++) { - serviceIndices[i] = INVALID_INDEX; - } - } - void enqueue(int serviceIndex) { - serviceIndices[numIndices++] = serviceIndex; - } - int dequeue(void) { - if (numIndices == 0) { - return INVALID_INDEX; - } - - unsigned valueToReturn = serviceIndices[0]; - numIndices--; - for (unsigned i = 0; i < numIndices; i++) { - serviceIndices[i] = serviceIndices[i + 1]; - } - - return valueToReturn; - } - unsigned getFirst(void) const { - return serviceIndices[0]; - } - size_t getCount(void) const { - return numIndices; - } - - /** - * Trigger UUID discovery for the first of the enqueued ServiceIndices. - */ - void triggerFirst(void); - - private: - static const int INVALID_INDEX = -1; - - private: - size_t numIndices; - int serviceIndices[BLE_DB_DISCOVERY_MAX_SRV]; - - NordicServiceDiscovery *parentDiscoveryObject; - }; - friend class ServiceUUIDDiscoveryQueue; - - /** - * A datatype to contain characteristic-indices for which long UUIDs need to - * be discovered using read_val_by_uuid(). - */ - class CharUUIDDiscoveryQueue { - public: - CharUUIDDiscoveryQueue(NordicServiceDiscovery *parent) : - numIndices(0), - charIndices(), - parentDiscoveryObject(parent) { - /* empty */ - } - - public: - void reset(void) { - numIndices = 0; - for (unsigned i = 0; i < BLE_DB_DISCOVERY_MAX_SRV; i++) { - charIndices[i] = INVALID_INDEX; - } - } - void enqueue(int serviceIndex) { - charIndices[numIndices++] = serviceIndex; - } - int dequeue(void) { - if (numIndices == 0) { - return INVALID_INDEX; - } - - unsigned valueToReturn = charIndices[0]; - numIndices--; - for (unsigned i = 0; i < numIndices; i++) { - charIndices[i] = charIndices[i + 1]; - } - - return valueToReturn; - } - unsigned getFirst(void) const { - return charIndices[0]; - } - size_t getCount(void) const { - return numIndices; - } - - /** - * Trigger UUID discovery for the first of the enqueued charIndices. - */ - void triggerFirst(void); - - private: - static const int INVALID_INDEX = -1; - - private: - size_t numIndices; - int charIndices[BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV]; - - NordicServiceDiscovery *parentDiscoveryObject; - }; - friend class CharUUIDDiscoveryQueue; - -private: - friend void bleGattcEventHandler(const ble_evt_t *p_ble_evt); - void progressCharacteristicDiscovery(void); - void progressServiceDiscovery(void); - -private: - uint8_t serviceIndex; /**< Index of the current service being discovered. This is intended for internal use during service discovery.*/ - uint8_t numServices; /**< Number of services at the peers GATT database.*/ - uint8_t characteristicIndex; /**< Index of the current characteristic being discovered. This is intended for internal use during service discovery.*/ - uint8_t numCharacteristics; /**< Number of characteristics within the service.*/ - - enum State_t { - INACTIVE, - SERVICE_DISCOVERY_ACTIVE, - CHARACTERISTIC_DISCOVERY_ACTIVE, - DISCOVER_SERVICE_UUIDS, - DISCOVER_CHARACTERISTIC_UUIDS, - } state; - - DiscoveredService services[BLE_DB_DISCOVERY_MAX_SRV]; /**< Information related to the current service being discovered. - * This is intended for internal use during service discovery. */ - nRFDiscoveredCharacteristic characteristics[BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV]; - - ServiceUUIDDiscoveryQueue serviceUUIDDiscoveryQueue; - CharUUIDDiscoveryQueue charUUIDDiscoveryQueue; - - TerminationCallback_t onTerminationCallback; -}; - #endif /*_BTLE_DISCOVERY_H_*/ \ No newline at end of file