High level Bluetooth Low Energy API and radio abstraction layer

Dependencies:   nRF51822

Dependents:   LinkNode_LIS3DH

Fork of BLE_API by Bluetooth Low Energy

Committer:
rgrover1
Date:
Fri Jun 19 15:52:11 2015 +0100
Revision:
563:62cc3335df23
Parent:
561:4122e5d0e043
Child:
567:e4b38e43de7c
Synchronized with git rev 9183583f
Author: Rohit Grover
disconnect() should take a connection handle.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 260:ea7f9f14cc15 1 /* mbed Microcontroller Library
rgrover1 260:ea7f9f14cc15 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 260:ea7f9f14cc15 3 *
rgrover1 260:ea7f9f14cc15 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 260:ea7f9f14cc15 5 * you may not use this file except in compliance with the License.
rgrover1 260:ea7f9f14cc15 6 * You may obtain a copy of the License at
rgrover1 260:ea7f9f14cc15 7 *
rgrover1 260:ea7f9f14cc15 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 260:ea7f9f14cc15 9 *
rgrover1 260:ea7f9f14cc15 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 260:ea7f9f14cc15 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 260:ea7f9f14cc15 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 260:ea7f9f14cc15 13 * See the License for the specific language governing permissions and
rgrover1 260:ea7f9f14cc15 14 * limitations under the License.
rgrover1 260:ea7f9f14cc15 15 */
rgrover1 260:ea7f9f14cc15 16
rgrover1 260:ea7f9f14cc15 17 #ifndef __GAP_H__
rgrover1 260:ea7f9f14cc15 18 #define __GAP_H__
rgrover1 260:ea7f9f14cc15 19
rgrover1 531:bdcd44b03974 20 #include "GapAdvertisingData.h"
rgrover1 531:bdcd44b03974 21 #include "GapAdvertisingParams.h"
rgrover1 531:bdcd44b03974 22 #include "GapScanningParams.h"
rgrover1 260:ea7f9f14cc15 23 #include "GapEvents.h"
rgrover1 260:ea7f9f14cc15 24 #include "CallChain.h"
rgrover1 406:cec6778acc66 25 #include "FunctionPointerWithContext.h"
rgrover1 260:ea7f9f14cc15 26
rgrover1 260:ea7f9f14cc15 27 using namespace mbed;
rgrover1 260:ea7f9f14cc15 28
rgrover1 527:493185cebc03 29 /* Forward declarations for classes which will only be used for pointers or references in the following. */
rgrover1 527:493185cebc03 30 class GapAdvertisingParams;
rgrover1 527:493185cebc03 31 class GapScanningParams;
rgrover1 527:493185cebc03 32 class GapAdvertisingData;
rgrover1 397:9f5bfae7ea50 33
rgrover1 260:ea7f9f14cc15 34 class Gap {
rgrover1 260:ea7f9f14cc15 35 public:
rgrover1 375:9cb0b006227e 36 enum AddressType_t {
rgrover1 260:ea7f9f14cc15 37 ADDR_TYPE_PUBLIC = 0,
rgrover1 260:ea7f9f14cc15 38 ADDR_TYPE_RANDOM_STATIC,
rgrover1 260:ea7f9f14cc15 39 ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE,
rgrover1 260:ea7f9f14cc15 40 ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE
rgrover1 375:9cb0b006227e 41 };
rgrover1 402:0e714ad205b4 42 typedef enum AddressType_t addr_type_t; /* @Note: deprecated. Use AddressType_t instead. */
rgrover1 260:ea7f9f14cc15 43
rgrover1 260:ea7f9f14cc15 44 static const unsigned ADDR_LEN = 6;
rgrover1 375:9cb0b006227e 45 typedef uint8_t Address_t[ADDR_LEN]; /* 48-bit address, LSB format. */
rgrover1 402:0e714ad205b4 46 typedef Address_t address_t; /* @Note: deprecated. Use Address_t instead. */
rgrover1 260:ea7f9f14cc15 47
rgrover1 541:aa30f63e7b3f 48 enum TimeoutSource_t {
rgrover1 541:aa30f63e7b3f 49 TIMEOUT_SRC_ADVERTISING = 0x00, /**< Advertising timeout. */
rgrover1 541:aa30f63e7b3f 50 TIMEOUT_SRC_SECURITY_REQUEST = 0x01, /**< Security request timeout. */
rgrover1 541:aa30f63e7b3f 51 TIMEOUT_SRC_SCAN = 0x02, /**< Scanning timeout. */
rgrover1 541:aa30f63e7b3f 52 TIMEOUT_SRC_CONN = 0x03, /**< Connection timeout. */
rgrover1 541:aa30f63e7b3f 53 };
rgrover1 541:aa30f63e7b3f 54
rgrover1 260:ea7f9f14cc15 55 /**
rgrover1 260:ea7f9f14cc15 56 * Enumeration for disconnection reasons. The values for these reasons are
rgrover1 260:ea7f9f14cc15 57 * derived from Nordic's implementation; but the reasons are meant to be
rgrover1 260:ea7f9f14cc15 58 * independent of the transport. If you are returned a reason which is not
rgrover1 260:ea7f9f14cc15 59 * covered by this enumeration, then please refer to the underlying
rgrover1 260:ea7f9f14cc15 60 * transport library.
rgrover1 260:ea7f9f14cc15 61 */
rgrover1 260:ea7f9f14cc15 62 enum DisconnectionReason_t {
rgrover1 526:caa67c3187a0 63 CONNECTION_TIMEOUT = 0x08,
rgrover1 526:caa67c3187a0 64 REMOTE_USER_TERMINATED_CONNECTION = 0x13,
rgrover1 526:caa67c3187a0 65 REMOTE_DEV_TERMINATION_DUE_TO_LOW_RESOURCES = 0x14, /**< Remote Device Terminated Connection due to low resources.*/
rgrover1 526:caa67c3187a0 66 REMOTE_DEV_TERMINATION_DUE_TO_POWER_OFF = 0x15, /**< Remote Device Terminated Connection due to power off. */
rgrover1 526:caa67c3187a0 67 LOCAL_HOST_TERMINATED_CONNECTION = 0x16,
rgrover1 526:caa67c3187a0 68 CONN_INTERVAL_UNACCEPTABLE = 0x3B,
rgrover1 260:ea7f9f14cc15 69 };
rgrover1 260:ea7f9f14cc15 70
rgrover1 260:ea7f9f14cc15 71 /* Describes the current state of the device (more than one bit can be set) */
rgrover1 413:4d5fb1522cfb 72 struct GapState_t {
rgrover1 260:ea7f9f14cc15 73 unsigned advertising : 1; /**< peripheral is currently advertising */
rgrover1 260:ea7f9f14cc15 74 unsigned connected : 1; /**< peripheral is connected to a central */
rgrover1 413:4d5fb1522cfb 75 };
rgrover1 260:ea7f9f14cc15 76
rgrover1 563:62cc3335df23 77 typedef uint16_t Handle_t; /* Type for connection handle. */
rgrover1 260:ea7f9f14cc15 78
rgrover1 260:ea7f9f14cc15 79 typedef struct {
rgrover1 260:ea7f9f14cc15 80 uint16_t minConnectionInterval; /**< Minimum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
rgrover1 260:ea7f9f14cc15 81 uint16_t maxConnectionInterval; /**< Maximum Connection Interval in 1.25 ms units, see @ref BLE_GAP_CP_LIMITS.*/
rgrover1 260:ea7f9f14cc15 82 uint16_t slaveLatency; /**< Slave Latency in number of connection events, see @ref BLE_GAP_CP_LIMITS.*/
rgrover1 260:ea7f9f14cc15 83 uint16_t connectionSupervisionTimeout; /**< Connection Supervision Timeout in 10 ms units, see @ref BLE_GAP_CP_LIMITS.*/
rgrover1 260:ea7f9f14cc15 84 } ConnectionParams_t;
rgrover1 260:ea7f9f14cc15 85
rgrover1 527:493185cebc03 86 enum Role_t {
rgrover1 527:493185cebc03 87 PERIPHERAL = 0x1, /**< Peripheral Role. */
rgrover1 527:493185cebc03 88 CENTRAL = 0x2, /**< Central Role. */
rgrover1 527:493185cebc03 89 };
rgrover1 527:493185cebc03 90
rgrover1 527:493185cebc03 91 struct AdvertisementCallbackParams_t {
rgrover1 527:493185cebc03 92 Address_t peerAddr;
rgrover1 527:493185cebc03 93 int8_t rssi;
rgrover1 527:493185cebc03 94 bool isScanResponse;
rgrover1 537:00d5affbb2b2 95 GapAdvertisingParams::AdvertisingType_t type;
rgrover1 527:493185cebc03 96 uint8_t advertisingDataLen;
rgrover1 527:493185cebc03 97 const uint8_t *advertisingData;
rgrover1 527:493185cebc03 98 };
rgrover1 527:493185cebc03 99 typedef FunctionPointerWithContext<const AdvertisementCallbackParams_t *> AdvertisementReportCallback_t;
rgrover1 527:493185cebc03 100
rgrover1 527:493185cebc03 101 struct ConnectionCallbackParams_t {
rgrover1 527:493185cebc03 102 Handle_t handle;
rgrover1 527:493185cebc03 103 Role_t role;
rgrover1 527:493185cebc03 104 AddressType_t peerAddrType;
rgrover1 527:493185cebc03 105 Address_t peerAddr;
rgrover1 527:493185cebc03 106 AddressType_t ownAddrType;
rgrover1 527:493185cebc03 107 Address_t ownAddr;
rgrover1 527:493185cebc03 108 const ConnectionParams_t *connectionParams;
rgrover1 527:493185cebc03 109
rgrover1 527:493185cebc03 110 ConnectionCallbackParams_t(Handle_t handleIn,
rgrover1 527:493185cebc03 111 Role_t roleIn,
rgrover1 527:493185cebc03 112 AddressType_t peerAddrTypeIn,
rgrover1 527:493185cebc03 113 const uint8_t *peerAddrIn,
rgrover1 527:493185cebc03 114 AddressType_t ownAddrTypeIn,
rgrover1 527:493185cebc03 115 const uint8_t *ownAddrIn,
rgrover1 527:493185cebc03 116 const ConnectionParams_t *connectionParamsIn) :
rgrover1 527:493185cebc03 117 handle(handleIn),
rgrover1 527:493185cebc03 118 role(roleIn),
rgrover1 527:493185cebc03 119 peerAddrType(peerAddrTypeIn),
rgrover1 527:493185cebc03 120 peerAddr(),
rgrover1 527:493185cebc03 121 ownAddrType(ownAddrTypeIn),
rgrover1 527:493185cebc03 122 ownAddr(),
rgrover1 527:493185cebc03 123 connectionParams(connectionParamsIn) {
rgrover1 527:493185cebc03 124 memcpy(peerAddr, peerAddrIn, ADDR_LEN);
rgrover1 527:493185cebc03 125 memcpy(ownAddr, ownAddrIn, ADDR_LEN);
rgrover1 527:493185cebc03 126 }
rgrover1 527:493185cebc03 127 };
rgrover1 527:493185cebc03 128
rgrover1 260:ea7f9f14cc15 129 static const uint16_t UNIT_1_25_MS = 1250; /**< Number of microseconds in 1.25 milliseconds. */
rgrover1 398:9d7666c2305f 130 static const uint16_t UNIT_0_625_MS = 625; /**< Number of microseconds in 0.625 milliseconds. */
rgrover1 260:ea7f9f14cc15 131 static uint16_t MSEC_TO_GAP_DURATION_UNITS(uint32_t durationInMillis) {
rgrover1 260:ea7f9f14cc15 132 return (durationInMillis * 1000) / UNIT_1_25_MS;
rgrover1 260:ea7f9f14cc15 133 }
rgrover1 260:ea7f9f14cc15 134 static uint16_t MSEC_TO_ADVERTISEMENT_DURATION_UNITS(uint32_t durationInMillis) {
rgrover1 260:ea7f9f14cc15 135 return (durationInMillis * 1000) / UNIT_0_625_MS;
rgrover1 260:ea7f9f14cc15 136 }
rgrover1 399:1a69d53f00cc 137 static uint16_t ADVERTISEMENT_DURATION_UNITS_TO_MS(uint16_t gapUnits) {
rgrover1 325:501ad8b8bbe5 138 return (gapUnits * UNIT_0_625_MS) / 1000;
rgrover1 325:501ad8b8bbe5 139 }
rgrover1 260:ea7f9f14cc15 140
rgrover1 541:aa30f63e7b3f 141 typedef void (*TimeoutEventCallback_t)(TimeoutSource_t source);
rgrover1 527:493185cebc03 142 typedef void (*ConnectionEventCallback_t)(const ConnectionCallbackParams_t *params);
rgrover1 260:ea7f9f14cc15 143 typedef void (*DisconnectionEventCallback_t)(Handle_t, DisconnectionReason_t);
rgrover1 561:4122e5d0e043 144 typedef void (*RadioNotificationEventCallback_t)(bool radio_active); /* gets passed true for ACTIVE; false for INACTIVE. */
rgrover1 260:ea7f9f14cc15 145
rgrover1 537:00d5affbb2b2 146 /*
rgrover1 557:fdfcce65ca22 147 * The following functions are meant to be overridden in the platform-specific sub-class.
rgrover1 537:00d5affbb2b2 148 */
rgrover1 526:caa67c3187a0 149 public:
rgrover1 537:00d5affbb2b2 150 /**
rgrover1 537:00d5affbb2b2 151 * Set the BTLE MAC address and type. Please note that the address format is
rgrover1 537:00d5affbb2b2 152 * LSB (least significant byte first). Please refer to Address_t.
rgrover1 537:00d5affbb2b2 153 *
rgrover1 537:00d5affbb2b2 154 * @return BLE_ERROR_NONE on success.
rgrover1 537:00d5affbb2b2 155 */
rgrover1 557:fdfcce65ca22 156 virtual ble_error_t setAddress(AddressType_t type, const Address_t address) {
rgrover1 557:fdfcce65ca22 157 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 158 }
rgrover1 537:00d5affbb2b2 159
rgrover1 537:00d5affbb2b2 160 /**
rgrover1 537:00d5affbb2b2 161 * Fetch the BTLE MAC address and type.
rgrover1 537:00d5affbb2b2 162 *
rgrover1 537:00d5affbb2b2 163 * @return BLE_ERROR_NONE on success.
rgrover1 537:00d5affbb2b2 164 */
rgrover1 557:fdfcce65ca22 165 virtual ble_error_t getAddress(AddressType_t *typeP, Address_t address) {
rgrover1 557:fdfcce65ca22 166 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 167 }
rgrover1 537:00d5affbb2b2 168
rgrover1 537:00d5affbb2b2 169 /**
rgrover1 537:00d5affbb2b2 170 * @return Minimum Advertising interval in milliseconds.
rgrover1 537:00d5affbb2b2 171 */
rgrover1 557:fdfcce65ca22 172 virtual uint16_t getMinAdvertisingInterval(void) const {
rgrover1 557:fdfcce65ca22 173 return 0; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 174 }
rgrover1 537:00d5affbb2b2 175
rgrover1 537:00d5affbb2b2 176 /**
rgrover1 537:00d5affbb2b2 177 * @return Minimum Advertising interval in milliseconds for non-connectible mode.
rgrover1 537:00d5affbb2b2 178 */
rgrover1 557:fdfcce65ca22 179 virtual uint16_t getMinNonConnectableAdvertisingInterval(void) const {
rgrover1 557:fdfcce65ca22 180 return 0; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 181 }
rgrover1 537:00d5affbb2b2 182
rgrover1 537:00d5affbb2b2 183 /**
rgrover1 537:00d5affbb2b2 184 * @return Maximum Advertising interval in milliseconds.
rgrover1 537:00d5affbb2b2 185 */
rgrover1 557:fdfcce65ca22 186 virtual uint16_t getMaxAdvertisingInterval(void) const {
rgrover1 557:fdfcce65ca22 187 return 0xFFFF; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 188 }
rgrover1 537:00d5affbb2b2 189
rgrover1 557:fdfcce65ca22 190 virtual ble_error_t stopAdvertising(void) {
rgrover1 557:fdfcce65ca22 191 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 192 }
rgrover1 537:00d5affbb2b2 193
rgrover1 537:00d5affbb2b2 194 /**
rgrover1 537:00d5affbb2b2 195 * Stop scanning. The current scanning parameters remain in effect.
rgrover1 537:00d5affbb2b2 196 *
rgrover1 537:00d5affbb2b2 197 * @retval BLE_ERROR_NONE if successfully stopped scanning procedure.
rgrover1 537:00d5affbb2b2 198 */
rgrover1 557:fdfcce65ca22 199 virtual ble_error_t stopScan() {
rgrover1 557:fdfcce65ca22 200 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 201 }
rgrover1 537:00d5affbb2b2 202
rgrover1 537:00d5affbb2b2 203 /**
rgrover1 537:00d5affbb2b2 204 * Create a connection (GAP Link Establishment).
rgrover1 537:00d5affbb2b2 205 *
rgrover1 537:00d5affbb2b2 206 * @param peerAddr
rgrover1 537:00d5affbb2b2 207 * 48-bit address, LSB format.
rgrover1 537:00d5affbb2b2 208 * @param peerAddrType
rgrover1 537:00d5affbb2b2 209 * Address type of the peer.
rgrover1 537:00d5affbb2b2 210 * @param connectionParams
rgrover1 537:00d5affbb2b2 211 * Connection parameters.
rgrover1 537:00d5affbb2b2 212 * @param scanParams
rgrover1 537:00d5affbb2b2 213 * Paramters to be used while scanning for the peer.
rgrover1 537:00d5affbb2b2 214 * @return BLE_ERROR_NONE if connection establishment procedure is started
rgrover1 543:4defb791aa94 215 * successfully. The connectionCallback (if set) will be invoked upon
rgrover1 537:00d5affbb2b2 216 * a connection event.
rgrover1 537:00d5affbb2b2 217 */
rgrover1 527:493185cebc03 218 virtual ble_error_t connect(const Address_t peerAddr,
rgrover1 527:493185cebc03 219 Gap::AddressType_t peerAddrType,
rgrover1 527:493185cebc03 220 const ConnectionParams_t *connectionParams,
rgrover1 557:fdfcce65ca22 221 const GapScanningParams *scanParams) {
rgrover1 557:fdfcce65ca22 222 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 223 }
rgrover1 537:00d5affbb2b2 224
rgrover1 537:00d5affbb2b2 225 /**
rgrover1 537:00d5affbb2b2 226 * This call initiates the disconnection procedure, and its completion will
rgrover1 537:00d5affbb2b2 227 * be communicated to the application with an invocation of the
rgrover1 544:840f428d18c7 228 * disconnectionCallback.
rgrover1 537:00d5affbb2b2 229 *
rgrover1 537:00d5affbb2b2 230 * @param reason
rgrover1 537:00d5affbb2b2 231 * The reason for disconnection to be sent back to the peer.
rgrover1 537:00d5affbb2b2 232 */
rgrover1 563:62cc3335df23 233 virtual ble_error_t disconnect(Handle_t connectionHandle, DisconnectionReason_t reason) {
rgrover1 563:62cc3335df23 234 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 563:62cc3335df23 235 }
rgrover1 563:62cc3335df23 236
rgrover1 563:62cc3335df23 237 /**
rgrover1 563:62cc3335df23 238 * This call initiates the disconnection procedure, and its completion will
rgrover1 563:62cc3335df23 239 * be communicated to the application with an invocation of the
rgrover1 563:62cc3335df23 240 * disconnectionCallback.
rgrover1 563:62cc3335df23 241 *
rgrover1 563:62cc3335df23 242 * @param reason
rgrover1 563:62cc3335df23 243 * The reason for disconnection to be sent back to the peer.
rgrover1 563:62cc3335df23 244 *
rgrover1 563:62cc3335df23 245 * @note: this version of disconnect() doesn't take a connection handle. It
rgrover1 563:62cc3335df23 246 * will work reliably only for stacks which are limited to a single
rgrover1 563:62cc3335df23 247 * connection. This API should be considered *deprecated* in favour of the
rgrover1 563:62cc3335df23 248 * altertive which takes a connection handle. It will be dropped in the future.
rgrover1 563:62cc3335df23 249 */
rgrover1 557:fdfcce65ca22 250 virtual ble_error_t disconnect(DisconnectionReason_t reason) {
rgrover1 557:fdfcce65ca22 251 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 252 }
rgrover1 260:ea7f9f14cc15 253
rgrover1 537:00d5affbb2b2 254 /**
rgrover1 537:00d5affbb2b2 255 * Get the GAP peripheral preferred connection parameters. These are the
rgrover1 537:00d5affbb2b2 256 * defaults that the peripheral would like to have in a connection. The
rgrover1 537:00d5affbb2b2 257 * choice of the connection parameters is eventually up to the central.
rgrover1 537:00d5affbb2b2 258 *
rgrover1 537:00d5affbb2b2 259 * @param[out] params
rgrover1 537:00d5affbb2b2 260 * The structure where the parameters will be stored. Memory
rgrover1 537:00d5affbb2b2 261 * for this is owned by the caller.
rgrover1 537:00d5affbb2b2 262 *
rgrover1 537:00d5affbb2b2 263 * @return BLE_ERROR_NONE if the parameters were successfully filled into
rgrover1 537:00d5affbb2b2 264 * the given structure pointed to by params.
rgrover1 537:00d5affbb2b2 265 */
rgrover1 557:fdfcce65ca22 266 virtual ble_error_t getPreferredConnectionParams(ConnectionParams_t *params) {
rgrover1 557:fdfcce65ca22 267 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 268 }
rgrover1 537:00d5affbb2b2 269
rgrover1 537:00d5affbb2b2 270 /**
rgrover1 537:00d5affbb2b2 271 * Set the GAP peripheral preferred connection parameters. These are the
rgrover1 537:00d5affbb2b2 272 * defaults that the peripheral would like to have in a connection. The
rgrover1 537:00d5affbb2b2 273 * choice of the connection parameters is eventually up to the central.
rgrover1 537:00d5affbb2b2 274 *
rgrover1 537:00d5affbb2b2 275 * @param[in] params
rgrover1 537:00d5affbb2b2 276 * The structure containing the desired parameters.
rgrover1 537:00d5affbb2b2 277 */
rgrover1 557:fdfcce65ca22 278 virtual ble_error_t setPreferredConnectionParams(const ConnectionParams_t *params) {
rgrover1 557:fdfcce65ca22 279 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 280 }
rgrover1 537:00d5affbb2b2 281
rgrover1 537:00d5affbb2b2 282 /**
rgrover1 537:00d5affbb2b2 283 * Update connection parameters while in the peripheral role.
rgrover1 537:00d5affbb2b2 284 * @details In the peripheral role, this will send the corresponding L2CAP request to the connected peer and wait for
rgrover1 537:00d5affbb2b2 285 * the central to perform the procedure.
rgrover1 537:00d5affbb2b2 286 * @param[in] handle
rgrover1 537:00d5affbb2b2 287 * Connection Handle
rgrover1 537:00d5affbb2b2 288 * @param[in] params
rgrover1 537:00d5affbb2b2 289 * Pointer to desired connection parameters. If NULL is provided on a peripheral role,
rgrover1 537:00d5affbb2b2 290 * the parameters in the PPCP characteristic of the GAP service will be used instead.
rgrover1 537:00d5affbb2b2 291 */
rgrover1 557:fdfcce65ca22 292 virtual ble_error_t updateConnectionParams(Handle_t handle, const ConnectionParams_t *params) {
rgrover1 557:fdfcce65ca22 293 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 294 }
rgrover1 537:00d5affbb2b2 295
rgrover1 537:00d5affbb2b2 296 /**
rgrover1 537:00d5affbb2b2 297 * Set the device name characteristic in the GAP service.
rgrover1 537:00d5affbb2b2 298 * @param[in] deviceName
rgrover1 537:00d5affbb2b2 299 * The new value for the device-name. This is a UTF-8 encoded, <b>NULL-terminated</b> string.
rgrover1 537:00d5affbb2b2 300 */
rgrover1 557:fdfcce65ca22 301 virtual ble_error_t setDeviceName(const uint8_t *deviceName) {
rgrover1 557:fdfcce65ca22 302 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 303 }
rgrover1 537:00d5affbb2b2 304
rgrover1 537:00d5affbb2b2 305 /**
rgrover1 537:00d5affbb2b2 306 * Get the value of the device name characteristic in the GAP service.
rgrover1 537:00d5affbb2b2 307 * @param[out] deviceName
rgrover1 537:00d5affbb2b2 308 * Pointer to an empty buffer where the UTF-8 *non NULL-
rgrover1 537:00d5affbb2b2 309 * terminated* string will be placed. Set this
rgrover1 537:00d5affbb2b2 310 * value to NULL in order to obtain the deviceName-length
rgrover1 537:00d5affbb2b2 311 * from the 'length' parameter.
rgrover1 537:00d5affbb2b2 312 *
rgrover1 537:00d5affbb2b2 313 * @param[in/out] lengthP
rgrover1 537:00d5affbb2b2 314 * (on input) Length of the buffer pointed to by deviceName;
rgrover1 537:00d5affbb2b2 315 * (on output) the complete device name length (without the
rgrover1 537:00d5affbb2b2 316 * null terminator).
rgrover1 537:00d5affbb2b2 317 *
rgrover1 537:00d5affbb2b2 318 * @note If the device name is longer than the size of the supplied buffer,
rgrover1 537:00d5affbb2b2 319 * length will return the complete device name length, and not the
rgrover1 537:00d5affbb2b2 320 * number of bytes actually returned in deviceName. The application may
rgrover1 537:00d5affbb2b2 321 * use this information to retry with a suitable buffer size.
rgrover1 537:00d5affbb2b2 322 */
rgrover1 557:fdfcce65ca22 323 virtual ble_error_t getDeviceName(uint8_t *deviceName, unsigned *lengthP) {
rgrover1 557:fdfcce65ca22 324 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 325 }
rgrover1 537:00d5affbb2b2 326
rgrover1 537:00d5affbb2b2 327 /**
rgrover1 537:00d5affbb2b2 328 * Set the appearance characteristic in the GAP service.
rgrover1 537:00d5affbb2b2 329 * @param[in] appearance
rgrover1 537:00d5affbb2b2 330 * The new value for the device-appearance.
rgrover1 537:00d5affbb2b2 331 */
rgrover1 557:fdfcce65ca22 332 virtual ble_error_t setAppearance(GapAdvertisingData::Appearance appearance) {
rgrover1 557:fdfcce65ca22 333 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 334 }
rgrover1 537:00d5affbb2b2 335
rgrover1 537:00d5affbb2b2 336 /**
rgrover1 537:00d5affbb2b2 337 * Get the appearance characteristic in the GAP service.
rgrover1 537:00d5affbb2b2 338 * @param[out] appearance
rgrover1 537:00d5affbb2b2 339 * The new value for the device-appearance.
rgrover1 537:00d5affbb2b2 340 */
rgrover1 557:fdfcce65ca22 341 virtual ble_error_t getAppearance(GapAdvertisingData::Appearance *appearanceP) {
rgrover1 557:fdfcce65ca22 342 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 343 }
rgrover1 260:ea7f9f14cc15 344
rgrover1 537:00d5affbb2b2 345 /**
rgrover1 537:00d5affbb2b2 346 * Set the radio's transmit power.
rgrover1 537:00d5affbb2b2 347 * @param[in] txPower Radio transmit power in dBm.
rgrover1 537:00d5affbb2b2 348 */
rgrover1 557:fdfcce65ca22 349 virtual ble_error_t setTxPower(int8_t txPower) {
rgrover1 557:fdfcce65ca22 350 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 351 }
rgrover1 537:00d5affbb2b2 352
rgrover1 537:00d5affbb2b2 353 /**
rgrover1 537:00d5affbb2b2 354 * Query the underlying stack for permitted arguments for setTxPower().
rgrover1 537:00d5affbb2b2 355 *
rgrover1 537:00d5affbb2b2 356 * @param[out] valueArrayPP
rgrover1 537:00d5affbb2b2 357 * Out parameter to receive the immutable array of Tx values.
rgrover1 537:00d5affbb2b2 358 * @param[out] countP
rgrover1 537:00d5affbb2b2 359 * Out parameter to receive the array's size.
rgrover1 537:00d5affbb2b2 360 */
rgrover1 557:fdfcce65ca22 361 virtual void getPermittedTxPowerValues(const int8_t **valueArrayPP, size_t *countP) {
rgrover1 557:fdfcce65ca22 362 *countP = 0; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 363 }
rgrover1 526:caa67c3187a0 364
rgrover1 557:fdfcce65ca22 365 protected:
rgrover1 557:fdfcce65ca22 366 /* Override the following in the underlying adaptation layer to provide the functionality of scanning. */
rgrover1 557:fdfcce65ca22 367 virtual ble_error_t startRadioScan(const GapScanningParams &scanningParams) {
rgrover1 557:fdfcce65ca22 368 return BLE_ERROR_NOT_IMPLEMENTED; /* default implementation; override this API if this capability is supported. */
rgrover1 557:fdfcce65ca22 369 }
rgrover1 542:d60f1c06fa33 370
rgrover1 534:754131484cf1 371 /*
rgrover1 537:00d5affbb2b2 372 * APIs with non-virtual implementations.
rgrover1 534:754131484cf1 373 */
rgrover1 534:754131484cf1 374 public:
rgrover1 537:00d5affbb2b2 375 /**
rgrover1 537:00d5affbb2b2 376 * Returns the current GAP state of the device using a bitmask which
rgrover1 537:00d5affbb2b2 377 * describes whether the device is advertising and/or connected.
rgrover1 537:00d5affbb2b2 378 */
rgrover1 537:00d5affbb2b2 379 GapState_t getState(void) const {
rgrover1 537:00d5affbb2b2 380 return state;
rgrover1 537:00d5affbb2b2 381 }
rgrover1 537:00d5affbb2b2 382
rgrover1 537:00d5affbb2b2 383 /**
rgrover1 537:00d5affbb2b2 384 * Set the GAP advertising mode to use for this device.
rgrover1 537:00d5affbb2b2 385 */
rgrover1 537:00d5affbb2b2 386 void setAdvertisingType(GapAdvertisingParams::AdvertisingType_t advType) {
rgrover1 534:754131484cf1 387 _advParams.setAdvertisingType(advType);
rgrover1 534:754131484cf1 388 }
rgrover1 534:754131484cf1 389
rgrover1 537:00d5affbb2b2 390 /**
rgrover1 537:00d5affbb2b2 391 * @param[in] interval
rgrover1 537:00d5affbb2b2 392 * Advertising interval in units of milliseconds. Advertising
rgrover1 537:00d5affbb2b2 393 * is disabled if interval is 0. If interval is smaller than
rgrover1 537:00d5affbb2b2 394 * the minimum supported value, then the minimum supported
rgrover1 537:00d5affbb2b2 395 * value is used instead. This minimum value can be discovered
rgrover1 537:00d5affbb2b2 396 * using getMinAdvertisingInterval().
rgrover1 537:00d5affbb2b2 397 *
rgrover1 537:00d5affbb2b2 398 * This field must be set to 0 if connectionMode is equal
rgrover1 537:00d5affbb2b2 399 * to ADV_CONNECTABLE_DIRECTED.
rgrover1 537:00d5affbb2b2 400 *
rgrover1 537:00d5affbb2b2 401 * @note: Decreasing this value will allow central devices to detect a
rgrover1 537:00d5affbb2b2 402 * peripheral faster at the expense of more power being used by the radio
rgrover1 537:00d5affbb2b2 403 * due to the higher data transmit rate.
rgrover1 537:00d5affbb2b2 404 *
rgrover1 537:00d5affbb2b2 405 * @note: This API is now *deprecated* and will be dropped in the future.
rgrover1 537:00d5affbb2b2 406 * You should use the parallel API from Gap directly. A former call to
rgrover1 537:00d5affbb2b2 407 * ble.setAdvertisingInterval(...) should now be achieved using
rgrover1 537:00d5affbb2b2 408 * ble.gap().setAdvertisingInterval(...).
rgrover1 537:00d5affbb2b2 409 *
rgrover1 537:00d5affbb2b2 410 * @Note: [WARNING] This API previously used 0.625ms as the unit for its
rgrover1 537:00d5affbb2b2 411 * 'interval' argument. That required an explicit conversion from
rgrover1 537:00d5affbb2b2 412 * milliseconds using Gap::MSEC_TO_GAP_DURATION_UNITS(). This conversion is
rgrover1 537:00d5affbb2b2 413 * no longer required as the new units are milliseconds. Any application
rgrover1 537:00d5affbb2b2 414 * code depending on the old semantics would need to be updated accordingly.
rgrover1 537:00d5affbb2b2 415 */
rgrover1 534:754131484cf1 416 void setAdvertisingInterval(uint16_t interval) {
rgrover1 534:754131484cf1 417 if (interval == 0) {
rgrover1 534:754131484cf1 418 stopAdvertising();
rgrover1 534:754131484cf1 419 } else if (interval < getMinAdvertisingInterval()) {
rgrover1 534:754131484cf1 420 interval = getMinAdvertisingInterval();
rgrover1 534:754131484cf1 421 }
rgrover1 534:754131484cf1 422 _advParams.setInterval(MSEC_TO_ADVERTISEMENT_DURATION_UNITS(interval));
rgrover1 534:754131484cf1 423 }
rgrover1 534:754131484cf1 424
rgrover1 537:00d5affbb2b2 425 /**
rgrover1 537:00d5affbb2b2 426 * @param[in] timeout
rgrover1 537:00d5affbb2b2 427 * Advertising timeout (in seconds) between 0x1 and 0x3FFF (1
rgrover1 537:00d5affbb2b2 428 * and 16383). Use 0 to disable the advertising timeout.
rgrover1 537:00d5affbb2b2 429 */
rgrover1 537:00d5affbb2b2 430 void setAdvertisingTimeout(uint16_t timeout) {
rgrover1 537:00d5affbb2b2 431 _advParams.setTimeout(timeout);
rgrover1 537:00d5affbb2b2 432 }
rgrover1 537:00d5affbb2b2 433
rgrover1 537:00d5affbb2b2 434 /**
rgrover1 537:00d5affbb2b2 435 * Start advertising.
rgrover1 537:00d5affbb2b2 436 */
rgrover1 531:bdcd44b03974 437 ble_error_t startAdvertising(void) {
rgrover1 534:754131484cf1 438 setAdvertisingData(); /* update the underlying stack */
rgrover1 532:a709cfc1500d 439 return startAdvertising(_advParams);
rgrover1 531:bdcd44b03974 440 }
rgrover1 531:bdcd44b03974 441
rgrover1 534:754131484cf1 442 /**
rgrover1 534:754131484cf1 443 * Reset any advertising payload prepared from prior calls to
rgrover1 537:00d5affbb2b2 444 * accumulateAdvertisingPayload(). This automatically propagates the re-
rgrover1 537:00d5affbb2b2 445 * initialized adv payload to the underlying stack.
rgrover1 534:754131484cf1 446 *
rgrover1 534:754131484cf1 447 * Note: This should be followed by a call to setAdvertisingPayload() or
rgrover1 534:754131484cf1 448 * startAdvertising() before the update takes effect.
rgrover1 534:754131484cf1 449 */
rgrover1 534:754131484cf1 450 void clearAdvertisingPayload(void) {
rgrover1 534:754131484cf1 451 _advPayload.clear();
rgrover1 537:00d5affbb2b2 452 setAdvertisingData();
rgrover1 534:754131484cf1 453 }
rgrover1 534:754131484cf1 454
rgrover1 534:754131484cf1 455 /**
rgrover1 534:754131484cf1 456 * Accumulate an AD structure in the advertising payload. Please note that
rgrover1 534:754131484cf1 457 * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used
rgrover1 534:754131484cf1 458 * as an additional 31 bytes if the advertising payload proves to be too
rgrover1 534:754131484cf1 459 * small.
rgrover1 534:754131484cf1 460 *
rgrover1 537:00d5affbb2b2 461 * @param[in] flags
rgrover1 537:00d5affbb2b2 462 * The flags to be added. Please refer to
rgrover1 537:00d5affbb2b2 463 * GapAdvertisingData::Flags for valid flags. Multiple
rgrover1 537:00d5affbb2b2 464 * flags may be specified in combination.
rgrover1 534:754131484cf1 465 */
rgrover1 534:754131484cf1 466 ble_error_t accumulateAdvertisingPayload(uint8_t flags) {
rgrover1 537:00d5affbb2b2 467 ble_error_t rc;
rgrover1 537:00d5affbb2b2 468 if ((rc = _advPayload.addFlags(flags)) != BLE_ERROR_NONE) {
rgrover1 537:00d5affbb2b2 469 return rc;
rgrover1 537:00d5affbb2b2 470 }
rgrover1 537:00d5affbb2b2 471
rgrover1 537:00d5affbb2b2 472 return setAdvertisingData();
rgrover1 534:754131484cf1 473 }
rgrover1 534:754131484cf1 474
rgrover1 534:754131484cf1 475 /**
rgrover1 534:754131484cf1 476 * Accumulate an AD structure in the advertising payload. Please note that
rgrover1 534:754131484cf1 477 * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used
rgrover1 534:754131484cf1 478 * as an additional 31 bytes if the advertising payload proves to be too
rgrover1 534:754131484cf1 479 * small.
rgrover1 534:754131484cf1 480 *
rgrover1 534:754131484cf1 481 * @param app
rgrover1 534:754131484cf1 482 * The appearance of the peripheral.
rgrover1 534:754131484cf1 483 */
rgrover1 534:754131484cf1 484 ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::Appearance app) {
rgrover1 534:754131484cf1 485 setAppearance(app);
rgrover1 537:00d5affbb2b2 486
rgrover1 537:00d5affbb2b2 487 ble_error_t rc;
rgrover1 557:fdfcce65ca22 488 if ((rc = _advPayload.addAppearance(app)) != BLE_ERROR_NONE) {
rgrover1 537:00d5affbb2b2 489 return rc;
rgrover1 537:00d5affbb2b2 490 }
rgrover1 537:00d5affbb2b2 491
rgrover1 537:00d5affbb2b2 492 return setAdvertisingData();
rgrover1 534:754131484cf1 493 }
rgrover1 534:754131484cf1 494
rgrover1 534:754131484cf1 495 /**
rgrover1 534:754131484cf1 496 * Accumulate an AD structure in the advertising payload. Please note that
rgrover1 534:754131484cf1 497 * the payload is limited to 31 bytes. The SCAN_RESPONSE message may be used
rgrover1 534:754131484cf1 498 * as an additional 31 bytes if the advertising payload proves to be too
rgrover1 534:754131484cf1 499 * small.
rgrover1 534:754131484cf1 500 *
rgrover1 534:754131484cf1 501 * @param app
rgrover1 534:754131484cf1 502 * The max transmit power to be used by the controller. This is
rgrover1 534:754131484cf1 503 * only a hint.
rgrover1 534:754131484cf1 504 */
rgrover1 534:754131484cf1 505 ble_error_t accumulateAdvertisingPayloadTxPower(int8_t power) {
rgrover1 537:00d5affbb2b2 506 ble_error_t rc;
rgrover1 537:00d5affbb2b2 507 if ((rc = _advPayload.addTxPower(power)) != BLE_ERROR_NONE) {
rgrover1 537:00d5affbb2b2 508 return rc;
rgrover1 537:00d5affbb2b2 509 }
rgrover1 537:00d5affbb2b2 510
rgrover1 537:00d5affbb2b2 511 return setAdvertisingData();
rgrover1 534:754131484cf1 512 }
rgrover1 534:754131484cf1 513
rgrover1 534:754131484cf1 514 /**
rgrover1 534:754131484cf1 515 * Accumulate a variable length byte-stream as an AD structure in the
rgrover1 534:754131484cf1 516 * advertising payload. Please note that the payload is limited to 31 bytes.
rgrover1 534:754131484cf1 517 * The SCAN_RESPONSE message may be used as an additional 31 bytes if the
rgrover1 534:754131484cf1 518 * advertising payload proves to be too small.
rgrover1 534:754131484cf1 519 *
rgrover1 534:754131484cf1 520 * @param type The type which describes the variable length data.
rgrover1 534:754131484cf1 521 * @param data data bytes.
rgrover1 534:754131484cf1 522 * @param len length of data.
rgrover1 534:754131484cf1 523 */
rgrover1 534:754131484cf1 524 ble_error_t accumulateAdvertisingPayload(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len) {
rgrover1 534:754131484cf1 525 if (type == GapAdvertisingData::COMPLETE_LOCAL_NAME) {
rgrover1 534:754131484cf1 526 setDeviceName(data);
rgrover1 534:754131484cf1 527 }
rgrover1 537:00d5affbb2b2 528
rgrover1 537:00d5affbb2b2 529 ble_error_t rc;
rgrover1 537:00d5affbb2b2 530 if ((rc = _advPayload.addData(type, data, len)) != BLE_ERROR_NONE) {
rgrover1 537:00d5affbb2b2 531 return rc;
rgrover1 537:00d5affbb2b2 532 }
rgrover1 537:00d5affbb2b2 533
rgrover1 537:00d5affbb2b2 534 return setAdvertisingData();
rgrover1 537:00d5affbb2b2 535 }
rgrover1 537:00d5affbb2b2 536
rgrover1 537:00d5affbb2b2 537 /**
rgrover1 537:00d5affbb2b2 538 * Setup a particular, user-constructed advertisement payload for the
rgrover1 537:00d5affbb2b2 539 * underlying stack. It would be uncommon for this API to be used directly;
rgrover1 537:00d5affbb2b2 540 * there are other APIs to build an advertisement payload (see above).
rgrover1 537:00d5affbb2b2 541 */
rgrover1 537:00d5affbb2b2 542 ble_error_t setAdvertisingPayload(const GapAdvertisingData &payload) {
rgrover1 537:00d5affbb2b2 543 _advPayload = payload;
rgrover1 537:00d5affbb2b2 544 return setAdvertisingData();
rgrover1 537:00d5affbb2b2 545 }
rgrover1 537:00d5affbb2b2 546
rgrover1 537:00d5affbb2b2 547 /**
rgrover1 537:00d5affbb2b2 548 * @return Read back advertising data. Useful for storing and
rgrover1 537:00d5affbb2b2 549 * restoring payload.
rgrover1 537:00d5affbb2b2 550 */
rgrover1 537:00d5affbb2b2 551 const GapAdvertisingData &getAdvertisingPayload(void) const {
rgrover1 537:00d5affbb2b2 552 return _advPayload;
rgrover1 534:754131484cf1 553 }
rgrover1 534:754131484cf1 554
rgrover1 534:754131484cf1 555 /**
rgrover1 534:754131484cf1 556 * Accumulate a variable length byte-stream as an AD structure in the
rgrover1 534:754131484cf1 557 * scanResponse payload.
rgrover1 534:754131484cf1 558 *
rgrover1 537:00d5affbb2b2 559 * @param[in] type The type which describes the variable length data.
rgrover1 537:00d5affbb2b2 560 * @param[in] data data bytes.
rgrover1 537:00d5affbb2b2 561 * @param[in] len length of data.
rgrover1 534:754131484cf1 562 */
rgrover1 534:754131484cf1 563 ble_error_t accumulateScanResponse(GapAdvertisingData::DataType type, const uint8_t *data, uint8_t len) {
rgrover1 537:00d5affbb2b2 564 ble_error_t rc;
rgrover1 537:00d5affbb2b2 565 if ((rc = _scanResponse.addData(type, data, len)) != BLE_ERROR_NONE) {
rgrover1 537:00d5affbb2b2 566 return rc;
rgrover1 537:00d5affbb2b2 567 }
rgrover1 537:00d5affbb2b2 568
rgrover1 537:00d5affbb2b2 569 return setAdvertisingData();
rgrover1 534:754131484cf1 570 }
rgrover1 534:754131484cf1 571
rgrover1 534:754131484cf1 572 /**
rgrover1 534:754131484cf1 573 * Reset any scan response prepared from prior calls to
rgrover1 534:754131484cf1 574 * accumulateScanResponse().
rgrover1 534:754131484cf1 575 *
rgrover1 534:754131484cf1 576 * Note: This should be followed by a call to setAdvertisingPayload() or
rgrover1 534:754131484cf1 577 * startAdvertising() before the update takes effect.
rgrover1 534:754131484cf1 578 */
rgrover1 534:754131484cf1 579 void clearScanResponse(void) {
rgrover1 534:754131484cf1 580 _scanResponse.clear();
rgrover1 537:00d5affbb2b2 581 setAdvertisingData();
rgrover1 537:00d5affbb2b2 582 }
rgrover1 537:00d5affbb2b2 583
rgrover1 537:00d5affbb2b2 584 /**
rgrover1 537:00d5affbb2b2 585 * Setup parameters for GAP scanning--i.e. observer mode.
rgrover1 537:00d5affbb2b2 586 * @param[in] interval
rgrover1 537:00d5affbb2b2 587 * Scan interval (in milliseconds) [valid values lie between 2.5ms and 10.24s].
rgrover1 537:00d5affbb2b2 588 * @param[in] window
rgrover1 537:00d5affbb2b2 589 * Scan Window (in milliseconds) [valid values lie between 2.5ms and 10.24s].
rgrover1 537:00d5affbb2b2 590 * @param[in] timeout
rgrover1 537:00d5affbb2b2 591 * Scan timeout (in seconds) between 0x0001 and 0xFFFF, 0x0000 disables timeout.
rgrover1 537:00d5affbb2b2 592 * @param[in] activeScanning
rgrover1 537:00d5affbb2b2 593 * Set to True if active-scanning is required. This is used to fetch the
rgrover1 537:00d5affbb2b2 594 * scan response from a peer if possible.
rgrover1 537:00d5affbb2b2 595 *
rgrover1 537:00d5affbb2b2 596 * The scanning window divided by the interval determines the duty cycle for
rgrover1 537:00d5affbb2b2 597 * scanning. For example, if the interval is 100ms and the window is 10ms,
rgrover1 537:00d5affbb2b2 598 * then the controller will scan for 10 percent of the time. It is possible
rgrover1 537:00d5affbb2b2 599 * to have the interval and window set to the same value. In this case,
rgrover1 537:00d5affbb2b2 600 * scanning is continuous, with a change of scanning frequency once every
rgrover1 537:00d5affbb2b2 601 * interval.
rgrover1 537:00d5affbb2b2 602 *
rgrover1 537:00d5affbb2b2 603 * Once the scanning parameters have been configured, scanning can be
rgrover1 537:00d5affbb2b2 604 * enabled by using startScan().
rgrover1 537:00d5affbb2b2 605 *
rgrover1 537:00d5affbb2b2 606 * @Note: The scan interval and window are recommendations to the BLE stack.
rgrover1 537:00d5affbb2b2 607 */
rgrover1 537:00d5affbb2b2 608 ble_error_t setScanParams(uint16_t interval = GapScanningParams::SCAN_INTERVAL_MAX,
rgrover1 537:00d5affbb2b2 609 uint16_t window = GapScanningParams::SCAN_WINDOW_MAX,
rgrover1 537:00d5affbb2b2 610 uint16_t timeout = 0,
rgrover1 537:00d5affbb2b2 611 bool activeScanning = false) {
rgrover1 537:00d5affbb2b2 612 ble_error_t rc;
rgrover1 537:00d5affbb2b2 613 if (((rc = _scanningParams.setInterval(interval)) == BLE_ERROR_NONE) &&
rgrover1 537:00d5affbb2b2 614 ((rc = _scanningParams.setWindow(window)) == BLE_ERROR_NONE) &&
rgrover1 537:00d5affbb2b2 615 ((rc = _scanningParams.setTimeout(timeout)) == BLE_ERROR_NONE)) {
rgrover1 537:00d5affbb2b2 616 _scanningParams.setActiveScanning(activeScanning);
rgrover1 537:00d5affbb2b2 617 return BLE_ERROR_NONE;
rgrover1 537:00d5affbb2b2 618 }
rgrover1 537:00d5affbb2b2 619
rgrover1 537:00d5affbb2b2 620 return rc;
rgrover1 534:754131484cf1 621 }
rgrover1 534:754131484cf1 622
rgrover1 537:00d5affbb2b2 623 /**
rgrover1 537:00d5affbb2b2 624 * Setup the scanInterval parameter for GAP scanning--i.e. observer mode.
rgrover1 537:00d5affbb2b2 625 * @param[in] interval
rgrover1 537:00d5affbb2b2 626 * Scan interval (in milliseconds) [valid values lie between 2.5ms and 10.24s].
rgrover1 537:00d5affbb2b2 627 *
rgrover1 537:00d5affbb2b2 628 * The scanning window divided by the interval determines the duty cycle for
rgrover1 537:00d5affbb2b2 629 * scanning. For example, if the interval is 100ms and the window is 10ms,
rgrover1 537:00d5affbb2b2 630 * then the controller will scan for 10 percent of the time. It is possible
rgrover1 537:00d5affbb2b2 631 * to have the interval and window set to the same value. In this case,
rgrover1 537:00d5affbb2b2 632 * scanning is continuous, with a change of scanning frequency once every
rgrover1 537:00d5affbb2b2 633 * interval.
rgrover1 537:00d5affbb2b2 634 *
rgrover1 537:00d5affbb2b2 635 * Once the scanning parameters have been configured, scanning can be
rgrover1 537:00d5affbb2b2 636 * enabled by using startScan().
rgrover1 537:00d5affbb2b2 637 */
rgrover1 537:00d5affbb2b2 638 ble_error_t setScanInterval(uint16_t interval) {
rgrover1 537:00d5affbb2b2 639 return _scanningParams.setInterval(interval);
rgrover1 537:00d5affbb2b2 640 }
rgrover1 531:bdcd44b03974 641
rgrover1 537:00d5affbb2b2 642 /**
rgrover1 537:00d5affbb2b2 643 * Setup the scanWindow parameter for GAP scanning--i.e. observer mode.
rgrover1 537:00d5affbb2b2 644 * @param[in] window
rgrover1 537:00d5affbb2b2 645 * Scan Window (in milliseconds) [valid values lie between 2.5ms and 10.24s].
rgrover1 537:00d5affbb2b2 646 *
rgrover1 537:00d5affbb2b2 647 * The scanning window divided by the interval determines the duty cycle for
rgrover1 537:00d5affbb2b2 648 * scanning. For example, if the interval is 100ms and the window is 10ms,
rgrover1 537:00d5affbb2b2 649 * then the controller will scan for 10 percent of the time. It is possible
rgrover1 537:00d5affbb2b2 650 * to have the interval and window set to the same value. In this case,
rgrover1 537:00d5affbb2b2 651 * scanning is continuous, with a change of scanning frequency once every
rgrover1 537:00d5affbb2b2 652 * interval.
rgrover1 537:00d5affbb2b2 653 *
rgrover1 537:00d5affbb2b2 654 * Once the scanning parameters have been configured, scanning can be
rgrover1 537:00d5affbb2b2 655 * enabled by using startScan().
rgrover1 537:00d5affbb2b2 656 */
rgrover1 537:00d5affbb2b2 657 ble_error_t setScanWindow(uint16_t window) {
rgrover1 537:00d5affbb2b2 658 return _scanningParams.setWindow(window);
rgrover1 537:00d5affbb2b2 659 }
rgrover1 537:00d5affbb2b2 660
rgrover1 537:00d5affbb2b2 661 /**
rgrover1 537:00d5affbb2b2 662 * Setup parameters for GAP scanning--i.e. observer mode.
rgrover1 537:00d5affbb2b2 663 * @param[in] timeout
rgrover1 537:00d5affbb2b2 664 * Scan timeout (in seconds) between 0x0001 and 0xFFFF, 0x0000 disables timeout.
rgrover1 537:00d5affbb2b2 665 *
rgrover1 537:00d5affbb2b2 666 * Once the scanning parameters have been configured, scanning can be
rgrover1 537:00d5affbb2b2 667 * enabled by using startScan().
rgrover1 537:00d5affbb2b2 668 */
rgrover1 537:00d5affbb2b2 669 ble_error_t setScanTimeout(uint16_t timeout) {
rgrover1 537:00d5affbb2b2 670 return _scanningParams.setTimeout(timeout);
rgrover1 537:00d5affbb2b2 671 }
rgrover1 537:00d5affbb2b2 672
rgrover1 537:00d5affbb2b2 673 /**
rgrover1 537:00d5affbb2b2 674 * Setup parameters for GAP scanning--i.e. observer mode.
rgrover1 537:00d5affbb2b2 675 * @param[in] activeScanning
rgrover1 537:00d5affbb2b2 676 * Set to True if active-scanning is required. This is used to fetch the
rgrover1 537:00d5affbb2b2 677 * scan response from a peer if possible.
rgrover1 537:00d5affbb2b2 678 *
rgrover1 537:00d5affbb2b2 679 * Once the scanning parameters have been configured, scanning can be
rgrover1 537:00d5affbb2b2 680 * enabled by using startScan().
rgrover1 537:00d5affbb2b2 681 */
rgrover1 537:00d5affbb2b2 682 void setActiveScanning(bool activeScanning) {
rgrover1 537:00d5affbb2b2 683 _scanningParams.setActiveScanning(activeScanning);
rgrover1 537:00d5affbb2b2 684 }
rgrover1 537:00d5affbb2b2 685
rgrover1 537:00d5affbb2b2 686 /**
rgrover1 537:00d5affbb2b2 687 * Start scanning (Observer Procedure) based on the parameters currently in
rgrover1 537:00d5affbb2b2 688 * effect.
rgrover1 537:00d5affbb2b2 689 *
rgrover1 537:00d5affbb2b2 690 * @param[in] callback
rgrover1 537:00d5affbb2b2 691 * The application specific callback to be invoked upon
rgrover1 537:00d5affbb2b2 692 * receiving every advertisement report. This can be passed in
rgrover1 537:00d5affbb2b2 693 * as NULL, in which case scanning may not be enabled at all.
rgrover1 537:00d5affbb2b2 694 */
rgrover1 531:bdcd44b03974 695 ble_error_t startScan(void (*callback)(const AdvertisementCallbackParams_t *params)) {
rgrover1 407:ca6b956b33d1 696 ble_error_t err = BLE_ERROR_NONE;
rgrover1 407:ca6b956b33d1 697 if (callback) {
rgrover1 532:a709cfc1500d 698 if ((err = startRadioScan(_scanningParams)) == BLE_ERROR_NONE) {
rgrover1 407:ca6b956b33d1 699 onAdvertisementReport.attach(callback);
rgrover1 407:ca6b956b33d1 700 }
rgrover1 407:ca6b956b33d1 701 }
rgrover1 407:ca6b956b33d1 702
rgrover1 407:ca6b956b33d1 703 return err;
rgrover1 407:ca6b956b33d1 704 }
rgrover1 407:ca6b956b33d1 705
rgrover1 537:00d5affbb2b2 706 /**
rgrover1 537:00d5affbb2b2 707 * Same as above, but this takes an (object, method) pair for a callback.
rgrover1 537:00d5affbb2b2 708 */
rgrover1 407:ca6b956b33d1 709 template<typename T>
rgrover1 531:bdcd44b03974 710 ble_error_t startScan(T *object, void (T::*callbackMember)(const AdvertisementCallbackParams_t *params)) {
rgrover1 407:ca6b956b33d1 711 ble_error_t err = BLE_ERROR_NONE;
rgrover1 407:ca6b956b33d1 712 if (object && callbackMember) {
rgrover1 532:a709cfc1500d 713 if ((err = startRadioScan(_scanningParams)) == BLE_ERROR_NONE) {
rgrover1 407:ca6b956b33d1 714 onAdvertisementReport.attach(object, callbackMember);
rgrover1 407:ca6b956b33d1 715 }
rgrover1 407:ca6b956b33d1 716 }
rgrover1 407:ca6b956b33d1 717
rgrover1 407:ca6b956b33d1 718 return err;
rgrover1 407:ca6b956b33d1 719 }
rgrover1 407:ca6b956b33d1 720
rgrover1 537:00d5affbb2b2 721 private:
rgrover1 537:00d5affbb2b2 722 ble_error_t setAdvertisingData(void) {
rgrover1 537:00d5affbb2b2 723 return setAdvertisingData(_advPayload, _scanResponse);
rgrover1 537:00d5affbb2b2 724 }
rgrover1 537:00d5affbb2b2 725
rgrover1 537:00d5affbb2b2 726 private:
rgrover1 537:00d5affbb2b2 727 virtual ble_error_t setAdvertisingData(const GapAdvertisingData &, const GapAdvertisingData &) = 0;
rgrover1 537:00d5affbb2b2 728 virtual ble_error_t startAdvertising(const GapAdvertisingParams &) = 0;
rgrover1 537:00d5affbb2b2 729
rgrover1 537:00d5affbb2b2 730 public:
rgrover1 537:00d5affbb2b2 731 /**
rgrover1 537:00d5affbb2b2 732 * Accessors to read back currently active advertising params.
rgrover1 537:00d5affbb2b2 733 */
rgrover1 537:00d5affbb2b2 734 GapAdvertisingParams &getAdvertisingParams(void) {
rgrover1 537:00d5affbb2b2 735 return _advParams;
rgrover1 537:00d5affbb2b2 736 }
rgrover1 537:00d5affbb2b2 737 const GapAdvertisingParams &getAdvertisingParams(void) const {
rgrover1 537:00d5affbb2b2 738 return _advParams;
rgrover1 537:00d5affbb2b2 739 }
rgrover1 537:00d5affbb2b2 740
rgrover1 537:00d5affbb2b2 741 /**
rgrover1 537:00d5affbb2b2 742 * Setup a particular, user-constructed set of advertisement parameters for
rgrover1 537:00d5affbb2b2 743 * the underlying stack. It would be uncommon for this API to be used
rgrover1 537:00d5affbb2b2 744 * directly; there are other APIs to tweak advertisement parameters
rgrover1 537:00d5affbb2b2 745 * individually.
rgrover1 537:00d5affbb2b2 746 */
rgrover1 537:00d5affbb2b2 747 void setAdvertisingParams(const GapAdvertisingParams &newParams) {
rgrover1 537:00d5affbb2b2 748 _advParams = newParams;
rgrover1 537:00d5affbb2b2 749 }
rgrover1 537:00d5affbb2b2 750
rgrover1 557:fdfcce65ca22 751 /* Event callback handlers. */
rgrover1 526:caa67c3187a0 752 public:
rgrover1 541:aa30f63e7b3f 753 /**
rgrover1 541:aa30f63e7b3f 754 * Setup a callback for timeout events. Refer to TimeoutSource_t for
rgrover1 541:aa30f63e7b3f 755 * possible event types.
rgrover1 541:aa30f63e7b3f 756 */
rgrover1 541:aa30f63e7b3f 757 void onTimeout(TimeoutEventCallback_t callback) {timeoutCallback = callback;}
rgrover1 541:aa30f63e7b3f 758
rgrover1 543:4defb791aa94 759 /**
rgrover1 543:4defb791aa94 760 * Setup a callback for connection events. Refer to ConnectionEventCallback_t.
rgrover1 543:4defb791aa94 761 */
rgrover1 543:4defb791aa94 762 void onConnection(ConnectionEventCallback_t callback) {connectionCallback = callback;}
rgrover1 260:ea7f9f14cc15 763
rgrover1 260:ea7f9f14cc15 764 /**
rgrover1 260:ea7f9f14cc15 765 * Set the application callback for disconnection events.
rgrover1 260:ea7f9f14cc15 766 * @param callback
rgrover1 260:ea7f9f14cc15 767 * Pointer to the unique callback.
rgrover1 260:ea7f9f14cc15 768 */
rgrover1 544:840f428d18c7 769 void onDisconnection(DisconnectionEventCallback_t callback) {disconnectionCallback = callback;}
rgrover1 544:840f428d18c7 770
rgrover1 544:840f428d18c7 771 /**
rgrover1 544:840f428d18c7 772 * Append to a chain of callbacks to be invoked upon disconnection; these
rgrover1 544:840f428d18c7 773 * callbacks receive no context and are therefore different from the
rgrover1 544:840f428d18c7 774 * disconnectionCallback callback.
rgrover1 544:840f428d18c7 775 * @param callback
rgrover1 544:840f428d18c7 776 * function pointer to be invoked upon disconnection; receives no context.
rgrover1 544:840f428d18c7 777 */
rgrover1 544:840f428d18c7 778 template<typename T>
rgrover1 544:840f428d18c7 779 void addToDisconnectionCallChain(T *tptr, void (T::*mptr)(void)) {disconnectionCallChain.add(tptr, mptr);}
rgrover1 260:ea7f9f14cc15 780
rgrover1 260:ea7f9f14cc15 781 /**
rgrover1 341:8a104d9d80c1 782 * Set the application callback for radio-notification events.
rgrover1 545:45bbdb1d5eca 783 *
rgrover1 545:45bbdb1d5eca 784 * Radio Notification is a feature that enables ACTIVE and INACTIVE
rgrover1 545:45bbdb1d5eca 785 * (nACTIVE) signals from the stack that notify the application when the
rgrover1 545:45bbdb1d5eca 786 * radio is in use. The signal is sent using software interrupt.
rgrover1 545:45bbdb1d5eca 787 *
rgrover1 545:45bbdb1d5eca 788 * The ACTIVE signal is sent before the Radio Event starts. The nACTIVE
rgrover1 545:45bbdb1d5eca 789 * signal is sent at the end of the Radio Event. These signals can be used
rgrover1 545:45bbdb1d5eca 790 * by the application programmer to synchronize application logic with radio
rgrover1 545:45bbdb1d5eca 791 * activity. For example, the ACTIVE signal can be used to shut off external
rgrover1 545:45bbdb1d5eca 792 * devices to manage peak current drawn during periods when the radio is on,
rgrover1 545:45bbdb1d5eca 793 * or to trigger sensor data collection for transmission in the Radio Event.
rgrover1 545:45bbdb1d5eca 794 *
rgrover1 341:8a104d9d80c1 795 * @param callback
rgrover1 545:45bbdb1d5eca 796 * The application handler to be invoked in response to a radio
rgrover1 545:45bbdb1d5eca 797 * ACTIVE/INACTIVE event.
rgrover1 341:8a104d9d80c1 798 */
rgrover1 545:45bbdb1d5eca 799 virtual void onRadioNotification(RadioNotificationEventCallback_t callback) {radioNotificationCallback = callback;}
rgrover1 341:8a104d9d80c1 800
rgrover1 260:ea7f9f14cc15 801 protected:
rgrover1 349:b8b2b3973c47 802 Gap() :
rgrover1 532:a709cfc1500d 803 _advParams(),
rgrover1 532:a709cfc1500d 804 _advPayload(),
rgrover1 532:a709cfc1500d 805 _scanningParams(),
rgrover1 532:a709cfc1500d 806 _scanResponse(),
rgrover1 349:b8b2b3973c47 807 state(),
rgrover1 541:aa30f63e7b3f 808 timeoutCallback(NULL),
rgrover1 543:4defb791aa94 809 connectionCallback(NULL),
rgrover1 544:840f428d18c7 810 disconnectionCallback(NULL),
rgrover1 545:45bbdb1d5eca 811 radioNotificationCallback(),
rgrover1 382:dcd0428dadb0 812 onAdvertisementReport(),
rgrover1 349:b8b2b3973c47 813 disconnectionCallChain() {
rgrover1 532:a709cfc1500d 814 _advPayload.clear();
rgrover1 532:a709cfc1500d 815 _scanResponse.clear();
rgrover1 260:ea7f9f14cc15 816 }
rgrover1 260:ea7f9f14cc15 817
rgrover1 557:fdfcce65ca22 818 /* Entry points for the underlying stack to report events back to the user. */
rgrover1 260:ea7f9f14cc15 819 public:
rgrover1 527:493185cebc03 820 void processConnectionEvent(Handle_t handle,
rgrover1 527:493185cebc03 821 Role_t role,
rgrover1 527:493185cebc03 822 AddressType_t peerAddrType,
rgrover1 527:493185cebc03 823 const Address_t peerAddr,
rgrover1 527:493185cebc03 824 AddressType_t ownAddrType,
rgrover1 527:493185cebc03 825 const Address_t ownAddr,
rgrover1 527:493185cebc03 826 const ConnectionParams_t *connectionParams) {
rgrover1 260:ea7f9f14cc15 827 state.connected = 1;
rgrover1 543:4defb791aa94 828 if (connectionCallback) {
rgrover1 527:493185cebc03 829 ConnectionCallbackParams_t callbackParams(handle, role, peerAddrType, peerAddr, ownAddrType, ownAddr, connectionParams);
rgrover1 543:4defb791aa94 830 connectionCallback(&callbackParams);
rgrover1 260:ea7f9f14cc15 831 }
rgrover1 260:ea7f9f14cc15 832 }
rgrover1 260:ea7f9f14cc15 833
rgrover1 260:ea7f9f14cc15 834 void processDisconnectionEvent(Handle_t handle, DisconnectionReason_t reason) {
rgrover1 260:ea7f9f14cc15 835 state.connected = 0;
rgrover1 544:840f428d18c7 836 if (disconnectionCallback) {
rgrover1 544:840f428d18c7 837 disconnectionCallback(handle, reason);
rgrover1 260:ea7f9f14cc15 838 }
rgrover1 260:ea7f9f14cc15 839 disconnectionCallChain.call();
rgrover1 260:ea7f9f14cc15 840 }
rgrover1 260:ea7f9f14cc15 841
rgrover1 537:00d5affbb2b2 842 void processAdvertisementReport(const Address_t peerAddr,
rgrover1 537:00d5affbb2b2 843 int8_t rssi,
rgrover1 537:00d5affbb2b2 844 bool isScanResponse,
rgrover1 537:00d5affbb2b2 845 GapAdvertisingParams::AdvertisingType_t type,
rgrover1 537:00d5affbb2b2 846 uint8_t advertisingDataLen,
rgrover1 537:00d5affbb2b2 847 const uint8_t *advertisingData) {
rgrover1 406:cec6778acc66 848 AdvertisementCallbackParams_t params;
rgrover1 406:cec6778acc66 849 memcpy(params.peerAddr, peerAddr, ADDR_LEN);
rgrover1 406:cec6778acc66 850 params.rssi = rssi;
rgrover1 406:cec6778acc66 851 params.isScanResponse = isScanResponse;
rgrover1 406:cec6778acc66 852 params.type = type;
rgrover1 406:cec6778acc66 853 params.advertisingDataLen = advertisingDataLen;
rgrover1 406:cec6778acc66 854 params.advertisingData = advertisingData;
rgrover1 406:cec6778acc66 855 onAdvertisementReport.call(&params);
rgrover1 382:dcd0428dadb0 856 }
rgrover1 382:dcd0428dadb0 857
rgrover1 541:aa30f63e7b3f 858 void processTimeoutEvent(TimeoutSource_t source) {
rgrover1 541:aa30f63e7b3f 859 if (timeoutCallback) {
rgrover1 541:aa30f63e7b3f 860 timeoutCallback(source);
rgrover1 260:ea7f9f14cc15 861 }
rgrover1 260:ea7f9f14cc15 862 }
rgrover1 260:ea7f9f14cc15 863
rgrover1 260:ea7f9f14cc15 864 protected:
rgrover1 532:a709cfc1500d 865 GapAdvertisingParams _advParams;
rgrover1 532:a709cfc1500d 866 GapAdvertisingData _advPayload;
rgrover1 532:a709cfc1500d 867 GapScanningParams _scanningParams;
rgrover1 532:a709cfc1500d 868 GapAdvertisingData _scanResponse;
rgrover1 531:bdcd44b03974 869
rgrover1 363:a3d59a6e5da0 870 GapState_t state;
rgrover1 260:ea7f9f14cc15 871
rgrover1 337:e7c2eb38f5cc 872 protected:
rgrover1 541:aa30f63e7b3f 873 TimeoutEventCallback_t timeoutCallback;
rgrover1 543:4defb791aa94 874 ConnectionEventCallback_t connectionCallback;
rgrover1 544:840f428d18c7 875 DisconnectionEventCallback_t disconnectionCallback;
rgrover1 545:45bbdb1d5eca 876 RadioNotificationEventCallback_t radioNotificationCallback;
rgrover1 385:6e66d1c6de00 877 AdvertisementReportCallback_t onAdvertisementReport;
rgrover1 363:a3d59a6e5da0 878 CallChain disconnectionCallChain;
rgrover1 260:ea7f9f14cc15 879
rgrover1 260:ea7f9f14cc15 880 private:
rgrover1 260:ea7f9f14cc15 881 /* disallow copy and assignment */
rgrover1 260:ea7f9f14cc15 882 Gap(const Gap &);
rgrover1 260:ea7f9f14cc15 883 Gap& operator=(const Gap &);
rgrover1 260:ea7f9f14cc15 884 };
rgrover1 260:ea7f9f14cc15 885
rgrover1 260:ea7f9f14cc15 886 #endif // ifndef __GAP_H__