/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __GAP_H__ #define __GAP_H__ #include "mbed.h" #include "blecommon.h" #include "GapAdvertisingData.h" #include "GapAdvertisingParams.h" #include "GapEvents.h" /**************************************************************************/ /*! \brief The base class used to abstract GAP functionality to a specific radio transceiver, SOC or BLE Stack. */ /**************************************************************************/ class Gap { public: typedef enum addr_type_e { ADDR_TYPE_PUBLIC = 0, ADDR_TYPE_RANDOM_STATIC, ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE, ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE } addr_type_t; /* These functions must be defined in the sub-class */ virtual ble_error_t setAddress(addr_type_t type, const uint8_t address[6]) = 0; virtual ble_error_t setAdvertisingData(const GapAdvertisingData &, const GapAdvertisingData &) = 0; virtual ble_error_t startAdvertising(const GapAdvertisingParams &) = 0; virtual ble_error_t stopAdvertising(void) = 0; virtual ble_error_t disconnect(void) = 0; /* Describes the current state of the device (more than one bit can be *set) */ typedef struct GapState_s { unsigned advertising : 1; /**< peripheral is currently advertising */ unsigned connected : 1; /**< peripheral is connected to a central */ } GapState_t; typedef void (*EventCallback_t)(void); typedef uint16_t Handle_t; typedef void (*HandleSpecificEventCallback_t)(Handle_t); /* Event callback handlers */ void setOnTimeout(EventCallback_t callback) { onTimeout = callback; } void setOnConnection(HandleSpecificEventCallback_t callback) { onConnection = callback; } void setOnDisconnection(HandleSpecificEventCallback_t callback) { onDisconnection = callback; } void processHandleSpecificEvent(GapEvents::gapEvent_e type, Handle_t handle) { switch (type) { case GapEvents::GAP_EVENT_CONNECTED: state.connected = 1; if (onConnection) { onConnection(handle); } break; case GapEvents::GAP_EVENT_DISCONNECTED: state.connected = 0; if (onDisconnection) { onDisconnection(handle); } break; } } void processEvent(GapEvents::gapEvent_e type) { switch (type) { case GapEvents::GAP_EVENT_TIMEOUT: state.advertising = 0; if (onTimeout) { onTimeout(); } break; } } GapState_t getState(void) const { return state; } protected: Gap() : state(), onTimeout(NULL), onConnection(NULL), onDisconnection(NULL) { /* empty */ } protected: GapState_t state; private: EventCallback_t onTimeout; HandleSpecificEventCallback_t onConnection; HandleSpecificEventCallback_t onDisconnection; }; #endif // ifndef __GAP_H__