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@126:fdebe4d5d62f, 2014-11-21 (annotated)

Committer:
rgrover1
Date:
Fri Nov 21 09:23:22 2014 +0000
Revision:
126:fdebe4d5d62f
Parent:
123:fede41ce9407
Child:
127:4e106f4a80b7
Synchronized with git rev 1d0b27e5

Author: Yihui Xiong

make the library less dependent on the mbed.h header

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
Rohit Grover 106:a20be740075d 20 #include "blecommon.h"
Rohit Grover 106:a20be740075d 21 #include "GapAdvertisingData.h"
Rohit Grover 106:a20be740075d 22 #include "GapAdvertisingParams.h"
Rohit Grover 106:a20be740075d 23 #include "GapEvents.h"
Rohit Grover 106:a20be740075d 24
Rohit Grover 106:a20be740075d 25 /**************************************************************************/
Rohit Grover 106:a20be740075d 26 /*!
Rohit Grover 106:a20be740075d 27 \brief
Rohit Grover 106:a20be740075d 28 The base class used to abstract GAP functionality to a specific radio
Rohit Grover 106:a20be740075d 29 transceiver, SOC or BLE Stack.
Rohit Grover 106:a20be740075d 30 */
Rohit Grover 106:a20be740075d 31 /**************************************************************************/
Rohit Grover 106:a20be740075d 32 class Gap
Rohit Grover 106:a20be740075d 33 {
Rohit Grover 106:a20be740075d 34 public:
Rohit Grover 106:a20be740075d 35 typedef enum addr_type_e {
Rohit Grover 106:a20be740075d 36 ADDR_TYPE_PUBLIC = 0,
Rohit Grover 106:a20be740075d 37 ADDR_TYPE_RANDOM_STATIC,
Rohit Grover 106:a20be740075d 38 ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE,
Rohit Grover 106:a20be740075d 39 ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE
Rohit Grover 106:a20be740075d 40 } addr_type_t;
Rohit Grover 106:a20be740075d 41
Rohit Grover 123:fede41ce9407 42 static const unsigned ADDR_LEN = 6;
Rohit Grover 123:fede41ce9407 43
Rohit Grover 117:0fb20195102b 44 /**
Rohit Grover 117:0fb20195102b 45 * enumeration for disconnection reasons. The values for these reasons are
Rohit Grover 117:0fb20195102b 46 * derived from Nordic's implementation; but the reasons are meant to be
Rohit Grover 117:0fb20195102b 47 * independent of the transport. If you are returned a reason which is not
Rohit Grover 117:0fb20195102b 48 * covered by this enumeration, then please refer to the underlying
Rohit Grover 117:0fb20195102b 49 * transport library.
Rohit Grover 117:0fb20195102b 50 */
Rohit Grover 116:ca826083980e 51 enum DisconnectionReason_t {
Rohit Grover 117:0fb20195102b 52 REMOTE_USER_TERMINATED_CONNECTION = 0x13,
Rohit Grover 117:0fb20195102b 53 LOCAL_HOST_TERMINATED_CONNECTION = 0x16,
Rohit Grover 117:0fb20195102b 54 CONN_INTERVAL_UNACCEPTABLE = 0x3B,
Rohit Grover 116:ca826083980e 55 };
Rohit Grover 116:ca826083980e 56
Rohit Grover 106:a20be740075d 57 /* Describes the current state of the device (more than one bit can be set) */
Rohit Grover 106:a20be740075d 58 typedef struct GapState_s {
Rohit Grover 106:a20be740075d 59 unsigned advertising : 1; /**< peripheral is currently advertising */
Rohit Grover 106:a20be740075d 60 unsigned connected : 1; /**< peripheral is connected to a central */
Rohit Grover 106:a20be740075d 61 } GapState_t;
Rohit Grover 106:a20be740075d 62
Rohit Grover 106:a20be740075d 63 typedef uint16_t Handle_t;
Rohit Grover 106:a20be740075d 64
Rohit Grover 106:a20be740075d 65 typedef struct {
Rohit Grover 106:a20be740075d 66 uint16_t minConnectionInterval; /**< Minimum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 67 uint16_t maxConnectionInterval; /**< Maximum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 68 uint16_t slaveLatency; /**< Slave Latency in number of connection events, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 69 uint16_t connectionSupervisionTimeout; /**< Connection Supervision Timeout in 10 ms units, see @ref BLE_GAP_CP_LIMITS.*/
Rohit Grover 106:a20be740075d 70 } ConnectionParams_t;
Rohit Grover 106:a20be740075d 71
Rohit Grover 106:a20be740075d 72 public:
Rohit Grover 106:a20be740075d 73 /* These functions must be defined in the sub-class */
Rohit Grover 123:fede41ce9407 74 virtual ble_error_t setAddress(addr_type_t type, const uint8_t address[ADDR_LEN]) = 0;
Rohit Grover 123:fede41ce9407 75 virtual ble_error_t getAddress(addr_type_t *typeP, uint8_t address[ADDR_LEN]) = 0;
Rohit Grover 106:a20be740075d 76 virtual ble_error_t setAdvertisingData(const GapAdvertisingData &, const GapAdvertisingData &) = 0;
Rohit Grover 106:a20be740075d 77 virtual ble_error_t startAdvertising(const GapAdvertisingParams &) = 0;
Rohit Grover 106:a20be740075d 78 virtual ble_error_t stopAdvertising(void) = 0;
Rohit Grover 116:ca826083980e 79 virtual ble_error_t disconnect(DisconnectionReason_t reason) = 0;
Rohit Grover 106:a20be740075d 80 virtual ble_error_t getPreferredConnectionParams(ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 81 virtual ble_error_t setPreferredConnectionParams(const ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 82 virtual ble_error_t updateConnectionParams(Handle_t handle, const ConnectionParams_t *params) = 0;
Rohit Grover 106:a20be740075d 83
Rohit Grover 116:ca826083980e 84 virtual ble_error_t setDeviceName(const uint8_t *deviceName) = 0;
Rohit Grover 116:ca826083980e 85 virtual ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP) = 0;
Rohit Grover 116:ca826083980e 86 virtual ble_error_t setAppearance(uint16_t appearance) = 0;
Rohit Grover 116:ca826083980e 87 virtual ble_error_t getAppearance(uint16_t *appearanceP) = 0;
Rohit Grover 116:ca826083980e 88
Rohit Grover 106:a20be740075d 89 typedef void (*EventCallback_t)(void);
Rohit Grover 116:ca826083980e 90 typedef void (*ConnectionEventCallback_t)(Handle_t, const ConnectionParams_t *);
Rohit Grover 116:ca826083980e 91 typedef void (*DisconnectionEventCallback_t)(Handle_t, DisconnectionReason_t);
Rohit Grover 106:a20be740075d 92
Rohit Grover 106:a20be740075d 93 /* Event callback handlers */
Rohit Grover 106:a20be740075d 94 void setOnTimeout(EventCallback_t callback) {
Rohit Grover 106:a20be740075d 95 onTimeout = callback;
Rohit Grover 106:a20be740075d 96 }
Rohit Grover 116:ca826083980e 97 void setOnConnection(ConnectionEventCallback_t callback) {
Rohit Grover 106:a20be740075d 98 onConnection = callback;
Rohit Grover 106:a20be740075d 99 }
Rohit Grover 116:ca826083980e 100 void setOnDisconnection(DisconnectionEventCallback_t callback) {
Rohit Grover 106:a20be740075d 101 onDisconnection = callback;
Rohit Grover 106:a20be740075d 102 }
Rohit Grover 106:a20be740075d 103
Rohit Grover 116:ca826083980e 104 void processConnectionEvent(Handle_t handle, const ConnectionParams_t *params) {
Rohit Grover 116:ca826083980e 105 state.connected = 1;
Rohit Grover 116:ca826083980e 106 if (onConnection) {
Rohit Grover 116:ca826083980e 107 onConnection(handle, params);
Rohit Grover 116:ca826083980e 108 }
Rohit Grover 116:ca826083980e 109 }
Rohit Grover 116:ca826083980e 110
Rohit Grover 116:ca826083980e 111 void processDisconnectionEvent(Handle_t handle, DisconnectionReason_t reason) {
Rohit Grover 116:ca826083980e 112 state.connected = 0;
Rohit Grover 116:ca826083980e 113 if (onDisconnection) {
Rohit Grover 116:ca826083980e 114 onDisconnection(handle, reason);
Rohit Grover 106:a20be740075d 115 }
Rohit Grover 106:a20be740075d 116 }
Rohit Grover 106:a20be740075d 117
Rohit Grover 106:a20be740075d 118 void processEvent(GapEvents::gapEvent_e type) {
Rohit Grover 106:a20be740075d 119 switch (type) {
Rohit Grover 106:a20be740075d 120 case GapEvents::GAP_EVENT_TIMEOUT:
Rohit Grover 106:a20be740075d 121 state.advertising = 0;
Rohit Grover 106:a20be740075d 122 if (onTimeout) {
Rohit Grover 106:a20be740075d 123 onTimeout();
Rohit Grover 106:a20be740075d 124 }
Rohit Grover 106:a20be740075d 125 break;
Rohit Grover 106:a20be740075d 126 }
Rohit Grover 106:a20be740075d 127 }
Rohit Grover 106:a20be740075d 128
Rohit Grover 106:a20be740075d 129 GapState_t getState(void) const {
Rohit Grover 106:a20be740075d 130 return state;
Rohit Grover 106:a20be740075d 131 }
Rohit Grover 106:a20be740075d 132
Rohit Grover 106:a20be740075d 133 protected:
Rohit Grover 106:a20be740075d 134 Gap() : state(), onTimeout(NULL), onConnection(NULL), onDisconnection(NULL) {
Rohit Grover 106:a20be740075d 135 /* empty */
Rohit Grover 106:a20be740075d 136 }
Rohit Grover 106:a20be740075d 137
Rohit Grover 106:a20be740075d 138 protected:
Rohit Grover 106:a20be740075d 139 GapState_t state;
Rohit Grover 106:a20be740075d 140
Rohit Grover 106:a20be740075d 141 private:
Rohit Grover 116:ca826083980e 142 EventCallback_t onTimeout;
Rohit Grover 116:ca826083980e 143 ConnectionEventCallback_t onConnection;
Rohit Grover 116:ca826083980e 144 DisconnectionEventCallback_t onDisconnection;
Rohit Grover 106:a20be740075d 145 };
Rohit Grover 106:a20be740075d 146
rgrover1 126:fdebe4d5d62f 147 #endif // ifndef __GAP_H__