YUFEI JIANG / BLE_API_Tiny_BLE

BLE_API_Tiny_BLE

Dependents:   CSSE4011_BLE_IMU

Fork of BLE_API by Bluetooth Low Energy

public/Gap.h@131:cb0cf2e6775f, 2014-11-21 (annotated)

Committer:
rgrover1
Date:
Fri Nov 21 09:23:22 2014 +0000
Revision:
131:cb0cf2e6775f
Parent:
130:e6726fd8fc08
Child:
132:69dada1321ab
Synchronized with git rev 23f9ef80

Author: Rohit Grover

enhance connectionEventCallback() to take in peer addr information

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rohit Grover 106:a20be740075d 1 /* mbed Microcontroller Library
Rohit Grover 106:a20be740075d 2 * Copyright (c) 2006-2013 ARM Limited
Rohit Grover 106:a20be740075d 3 *
Rohit Grover 106:a20be740075d 4 * Licensed under the Apache License, Version 2.0 (the "License");
Rohit Grover 106:a20be740075d 5 * you may not use this file except in compliance with the License.
Rohit Grover 106:a20be740075d 6 * You may obtain a copy of the License at
Rohit Grover 106:a20be740075d 7 *
Rohit Grover 106:a20be740075d 8 * http://www.apache.org/licenses/LICENSE-2.0
Rohit Grover 106:a20be740075d 9 *
Rohit Grover 106:a20be740075d 10 * Unless required by applicable law or agreed to in writing, software
Rohit Grover 106:a20be740075d 11 * distributed under the License is distributed on an "AS IS" BASIS,
Rohit Grover 106:a20be740075d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Rohit Grover 106:a20be740075d 13 * See the License for the specific language governing permissions and
Rohit Grover 106:a20be740075d 14 * limitations under the License.
Rohit Grover 106:a20be740075d 15 */
Rohit Grover 106:a20be740075d 16
Rohit Grover 106:a20be740075d 17 #ifndef __GAP_H__
Rohit Grover 106:a20be740075d 18 #define __GAP_H__
Rohit Grover 106:a20be740075d 19
rgrover1 127:4e106f4a80b7 20 #include "mbed.h"
Rohit Grover 106:a20be740075d 21 #include "blecommon.h"
Rohit Grover 106:a20be740075d 22 #include "GapAdvertisingData.h"
Rohit Grover 106:a20be740075d 23 #include "GapAdvertisingParams.h"
Rohit Grover 106:a20be740075d 24 #include "GapEvents.h"
Rohit Grover 106:a20be740075d 25
Rohit Grover 106:a20be740075d 26 /**************************************************************************/
Rohit Grover 106:a20be740075d 27 /*!
Rohit Grover 106:a20be740075d 28 \brief
Rohit Grover 106:a20be740075d 29 The base class used to abstract GAP functionality to a specific radio
Rohit Grover 106:a20be740075d 30 transceiver, SOC or BLE Stack.
Rohit Grover 106:a20be740075d 31 */
Rohit Grover 106:a20be740075d 32 /**************************************************************************/
Rohit Grover 106:a20be740075d 33 class Gap
Rohit Grover 106:a20be740075d 34 {
Rohit Grover 106:a20be740075d 35 public:
Rohit Grover 106:a20be740075d 36 typedef enum addr_type_e {
Rohit Grover 106:a20be740075d 37 ADDR_TYPE_PUBLIC = 0,
Rohit Grover 106:a20be740075d 38 ADDR_TYPE_RANDOM_STATIC,
Rohit Grover 106:a20be740075d 39 ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE,
Rohit Grover 106:a20be740075d 40 ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE
Rohit Grover 106:a20be740075d 41 } addr_type_t;
Rohit Grover 106:a20be740075d 42
Rohit Grover 123:fede41ce9407 43 static const unsigned ADDR_LEN = 6;
rgrover1 130:e6726fd8fc08 44 typedef uint8_t address_t[ADDR_LEN];
Rohit Grover 123:fede41ce9407 45
Rohit Grover 117:0fb20195102b 46 /**
Rohit Grover 117:0fb20195102b 47 * enumeration for disconnection reasons. The values for these reasons are
Rohit Grover 117:0fb20195102b 48 * derived from Nordic's implementation; but the reasons are meant to be
Rohit Grover 117:0fb20195102b 49 * independent of the transport. If you are returned a reason which is not
Rohit Grover 117:0fb20195102b 50 * covered by this enumeration, then please refer to the underlying
Rohit Grover 117:0fb20195102b 51 * transport library.
Rohit Grover 117:0fb20195102b 52 */
Rohit Grover 116:ca826083980e 53 enum DisconnectionReason_t {
Rohit Grover 117:0fb20195102b 54 REMOTE_USER_TERMINATED_CONNECTION = 0x13,
Rohit Grover 117:0fb20195102b 55 LOCAL_HOST_TERMINATED_CONNECTION = 0x16,
Rohit Grover 117:0fb20195102b 56 CONN_INTERVAL_UNACCEPTABLE = 0x3B,
Rohit Grover 116:ca826083980e 57 };
Rohit Grover 116:ca826083980e 58
Rohit Grover 106:a20be740075d 59 /* Describes the current state of the device (more than one bit can be set) */
Rohit Grover 106:a20be740075d 60 typedef struct GapState_s {
Rohit Grover 106:a20be740075d 61 unsigned advertising : 1; /**< peripheral is currently advertising */
Rohit Grover 106:a20be740075d 62 unsigned connected : 1; /**< peripheral is connected to a central */
Rohit Grover 106:a20be740075d 63 } GapState_t;
Rohit Grover 106:a20be740075d 64
Rohit Grover 106:a20be740075d 65 typedef uint16_t Handle_t;
Rohit Grover 106:a20be740075d 66
Rohit Grover 106:a20be740075d 67 typedef struct {
Rohit Grover 106:a20be740075d 68 uint16_t minConnectionInterval; /**< Minimum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 69 uint16_t maxConnectionInterval; /**< Maximum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 70 uint16_t slaveLatency; /**< Slave Latency in number of connection events, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 71 uint16_t connectionSupervisionTimeout; /**< Connection Supervision Timeout in 10 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 72 } ConnectionParams_t;
Rohit Grover 106:a20be740075d 73
Rohit Grover 106:a20be740075d 74 public:
Rohit Grover 106:a20be740075d 75 /* These functions must be defined in the sub-class */
rgrover1 130:e6726fd8fc08 76 virtual ble_error_t setAddress(addr_type_t type, const address_t address) = 0;
rgrover1 130:e6726fd8fc08 77 virtual ble_error_t getAddress(addr_type_t *typeP, address_t address) = 0;
Rohit Grover 106:a20be740075d 78 virtual ble_error_t setAdvertisingData(const GapAdvertisingData &, const GapAdvertisingData &) = 0;
Rohit Grover 106:a20be740075d 79 virtual ble_error_t startAdvertising(const GapAdvertisingParams &) = 0;
Rohit Grover 106:a20be740075d 80 virtual ble_error_t stopAdvertising(void) = 0;
Rohit Grover 116:ca826083980e 81 virtual ble_error_t disconnect(DisconnectionReason_t reason) = 0;
Rohit Grover 106:a20be740075d 82 virtual ble_error_t getPreferredConnectionParams(ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 83 virtual ble_error_t setPreferredConnectionParams(const ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 84 virtual ble_error_t updateConnectionParams(Handle_t handle, const ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 85
Rohit Grover 116:ca826083980e 86 virtual ble_error_t setDeviceName(const uint8_t *deviceName) = 0;
Rohit Grover 116:ca826083980e 87 virtual ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP) = 0;
Rohit Grover 116:ca826083980e 88 virtual ble_error_t setAppearance(uint16_t appearance) = 0;
Rohit Grover 116:ca826083980e 89 virtual ble_error_t getAppearance(uint16_t *appearanceP) = 0;
Rohit Grover 116:ca826083980e 90
Rohit Grover 106:a20be740075d 91 typedef void (*EventCallback_t)(void);
rgrover1 131:cb0cf2e6775f 92 typedef void (*ConnectionEventCallback_t)(Handle_t, addr_type_t peerAddrType, const address_t peerAddr, const ConnectionParams_t *);
Rohit Grover 116:ca826083980e 93 typedef void (*DisconnectionEventCallback_t)(Handle_t, DisconnectionReason_t);
Rohit Grover 106:a20be740075d 94
Rohit Grover 106:a20be740075d 95 /* Event callback handlers */
Rohit Grover 106:a20be740075d 96 void setOnTimeout(EventCallback_t callback) {
Rohit Grover 106:a20be740075d 97 onTimeout = callback;
Rohit Grover 106:a20be740075d 98 }
Rohit Grover 116:ca826083980e 99 void setOnConnection(ConnectionEventCallback_t callback) {
Rohit Grover 106:a20be740075d 100 onConnection = callback;
Rohit Grover 106:a20be740075d 101 }
Rohit Grover 116:ca826083980e 102 void setOnDisconnection(DisconnectionEventCallback_t callback) {
Rohit Grover 106:a20be740075d 103 onDisconnection = callback;
Rohit Grover 106:a20be740075d 104 }
Rohit Grover 106:a20be740075d 105
rgrover1 131:cb0cf2e6775f 106 void processConnectionEvent(Handle_t handle, addr_type_t type, const address_t addr, const ConnectionParams_t *params) {
Rohit Grover 116:ca826083980e 107 state.connected = 1;
Rohit Grover 116:ca826083980e 108 if (onConnection) {
rgrover1 131:cb0cf2e6775f 109 onConnection(handle, type, addr, params);
Rohit Grover 116:ca826083980e 110 }
Rohit Grover 116:ca826083980e 111 }
Rohit Grover 116:ca826083980e 112
Rohit Grover 116:ca826083980e 113 void processDisconnectionEvent(Handle_t handle, DisconnectionReason_t reason) {
Rohit Grover 116:ca826083980e 114 state.connected = 0;
Rohit Grover 116:ca826083980e 115 if (onDisconnection) {
Rohit Grover 116:ca826083980e 116 onDisconnection(handle, reason);
Rohit Grover 106:a20be740075d 117 }
Rohit Grover 106:a20be740075d 118 }
Rohit Grover 106:a20be740075d 119
Rohit Grover 106:a20be740075d 120 void processEvent(GapEvents::gapEvent_e type) {
Rohit Grover 106:a20be740075d 121 switch (type) {
Rohit Grover 106:a20be740075d 122 case GapEvents::GAP_EVENT_TIMEOUT:
Rohit Grover 106:a20be740075d 123 state.advertising = 0;
Rohit Grover 106:a20be740075d 124 if (onTimeout) {
Rohit Grover 106:a20be740075d 125 onTimeout();
Rohit Grover 106:a20be740075d 126 }
Rohit Grover 106:a20be740075d 127 break;
Rohit Grover 106:a20be740075d 128 }
Rohit Grover 106:a20be740075d 129 }
Rohit Grover 106:a20be740075d 130
Rohit Grover 106:a20be740075d 131 GapState_t getState(void) const {
Rohit Grover 106:a20be740075d 132 return state;
Rohit Grover 106:a20be740075d 133 }
Rohit Grover 106:a20be740075d 134
Rohit Grover 106:a20be740075d 135 protected:
Rohit Grover 106:a20be740075d 136 Gap() : state(), onTimeout(NULL), onConnection(NULL), onDisconnection(NULL) {
Rohit Grover 106:a20be740075d 137 /* empty */
Rohit Grover 106:a20be740075d 138 }
Rohit Grover 106:a20be740075d 139
Rohit Grover 106:a20be740075d 140 protected:
Rohit Grover 106:a20be740075d 141 GapState_t state;
Rohit Grover 106:a20be740075d 142
Rohit Grover 106:a20be740075d 143 private:
Rohit Grover 116:ca826083980e 144 EventCallback_t onTimeout;
Rohit Grover 116:ca826083980e 145 ConnectionEventCallback_t onConnection;
Rohit Grover 116:ca826083980e 146 DisconnectionEventCallback_t onDisconnection;
Rohit Grover 106:a20be740075d 147 };
Rohit Grover 106:a20be740075d 148
rgrover1 126:fdebe4d5d62f 149 #endif // ifndef __GAP_H__