2014-06-11 09:32:08 +00:00
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/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GAP_H__
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#define __GAP_H__
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#include "mbed.h"
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#include "blecommon.h"
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#include "GapAdvertisingData.h"
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#include "GapAdvertisingParams.h"
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#include "GapEvents.h"
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/**************************************************************************/
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/*!
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\brief
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The base class used to abstract GAP functionality to a specific radio
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transceiver, SOC or BLE Stack.
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*/
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/**************************************************************************/
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class Gap
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{
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public:
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typedef enum addr_type_e {
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ADDR_TYPE_PUBLIC = 0,
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ADDR_TYPE_RANDOM_STATIC,
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ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE,
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ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE
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} addr_type_t;
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2014-11-05 14:08:42 +00:00
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static const unsigned ADDR_LEN = 6;
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2014-11-18 15:08:45 +00:00
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typedef uint8_t address_t[ADDR_LEN];
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2014-11-05 14:08:42 +00:00
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2014-09-08 16:11:58 +00:00
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/**
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* enumeration for disconnection reasons. The values for these reasons are
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* derived from Nordic's implementation; but the reasons are meant to be
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* independent of the transport. If you are returned a reason which is not
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* covered by this enumeration, then please refer to the underlying
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* transport library.
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*/
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2014-09-02 14:09:46 +00:00
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enum DisconnectionReason_t {
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2014-09-08 16:11:58 +00:00
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REMOTE_USER_TERMINATED_CONNECTION = 0x13,
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LOCAL_HOST_TERMINATED_CONNECTION = 0x16,
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CONN_INTERVAL_UNACCEPTABLE = 0x3B,
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2014-09-02 14:09:46 +00:00
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};
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2014-07-11 13:39:17 +00:00
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/* Describes the current state of the device (more than one bit can be set) */
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typedef struct GapState_s {
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unsigned advertising : 1; /**< peripheral is currently advertising */
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unsigned connected : 1; /**< peripheral is connected to a central */
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} GapState_t;
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typedef uint16_t Handle_t;
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typedef struct {
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uint16_t minConnectionInterval; /**< Minimum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
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uint16_t maxConnectionInterval; /**< Maximum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
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uint16_t slaveLatency; /**< Slave Latency in number of connection events, see @ref BLE_GAP_CP_LIMITS.*/
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uint16_t connectionSupervisionTimeout; /**< Connection Supervision Timeout in 10 ms units, see @ref BLE_GAP_CP_LIMITS.*/
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} ConnectionParams_t;
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public:
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2014-06-11 09:32:08 +00:00
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/* These functions must be defined in the sub-class */
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2014-11-18 15:08:45 +00:00
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virtual ble_error_t setAddress(addr_type_t type, const address_t address) = 0;
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virtual ble_error_t getAddress(addr_type_t *typeP, address_t address) = 0;
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2014-06-11 09:32:08 +00:00
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virtual ble_error_t setAdvertisingData(const GapAdvertisingData &, const GapAdvertisingData &) = 0;
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virtual ble_error_t startAdvertising(const GapAdvertisingParams &) = 0;
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virtual ble_error_t stopAdvertising(void) = 0;
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2014-09-02 14:09:46 +00:00
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virtual ble_error_t disconnect(DisconnectionReason_t reason) = 0;
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2014-07-11 13:39:17 +00:00
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virtual ble_error_t getPreferredConnectionParams(ConnectionParams_t *params) = 0;
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virtual ble_error_t setPreferredConnectionParams(const ConnectionParams_t *params) = 0;
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virtual ble_error_t updateConnectionParams(Handle_t handle, const ConnectionParams_t *params) = 0;
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2014-06-11 09:32:08 +00:00
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2014-09-02 14:09:46 +00:00
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virtual ble_error_t setDeviceName(const uint8_t *deviceName) = 0;
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virtual ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP) = 0;
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virtual ble_error_t setAppearance(uint16_t appearance) = 0;
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virtual ble_error_t getAppearance(uint16_t *appearanceP) = 0;
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2014-06-11 09:32:08 +00:00
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typedef void (*EventCallback_t)(void);
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typedef void (*ConnectionEventCallback_t)(Handle_t, const ConnectionParams_t *);
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typedef void (*DisconnectionEventCallback_t)(Handle_t, DisconnectionReason_t);
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2014-07-10 11:12:06 +00:00
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/* Event callback handlers */
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2014-06-11 09:32:08 +00:00
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void setOnTimeout(EventCallback_t callback) {
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onTimeout = callback;
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}
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2014-09-02 14:09:46 +00:00
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void setOnConnection(ConnectionEventCallback_t callback) {
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onConnection = callback;
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}
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void setOnDisconnection(DisconnectionEventCallback_t callback) {
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onDisconnection = callback;
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}
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2014-09-02 14:09:46 +00:00
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void processConnectionEvent(Handle_t handle, const ConnectionParams_t *params) {
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state.connected = 1;
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if (onConnection) {
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onConnection(handle, params);
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}
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}
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void processDisconnectionEvent(Handle_t handle, DisconnectionReason_t reason) {
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state.connected = 0;
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if (onDisconnection) {
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onDisconnection(handle, reason);
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2014-07-10 11:12:06 +00:00
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}
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}
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void processEvent(GapEvents::gapEvent_e type) {
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switch (type) {
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case GapEvents::GAP_EVENT_TIMEOUT:
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state.advertising = 0;
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if (onTimeout) {
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onTimeout();
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2014-06-11 09:32:08 +00:00
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}
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break;
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}
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}
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GapState_t getState(void) const {
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return state;
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}
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protected:
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Gap() : state(), onTimeout(NULL), onConnection(NULL), onDisconnection(NULL) {
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/* empty */
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}
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protected:
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GapState_t state;
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private:
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2014-09-02 14:09:46 +00:00
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EventCallback_t onTimeout;
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ConnectionEventCallback_t onConnection;
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DisconnectionEventCallback_t onDisconnection;
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2014-06-11 09:32:08 +00:00
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};
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#endif // ifndef __GAP_H__
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