Alex Cordonnier / BLE_API

High level Bluetooth Low Energy API and radio abstraction layer

Fork of BLE_API by Bluetooth Low Energy

ble/DiscoveredCharacteristic.h@1209:dd7707bda534, 2017-03-28 (annotated)

Committer:
cordonn2
Date:
Tue Mar 28 19:09:54 2017 +0000
Revision:
1209:dd7707bda534
Parent:
1183:1589830dbdb7 
Added ability to filter advertising channel programmatically

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vcoubard 1131:692ddf04fc42 1 /* mbed Microcontroller Library
vcoubard 1131:692ddf04fc42 2 * Copyright (c) 2006-2013 ARM Limited
vcoubard 1131:692ddf04fc42 3 *
vcoubard 1131:692ddf04fc42 4 * Licensed under the Apache License, Version 2.0 (the "License");
vcoubard 1131:692ddf04fc42 5 * you may not use this file except in compliance with the License.
vcoubard 1131:692ddf04fc42 6 * You may obtain a copy of the License at
vcoubard 1131:692ddf04fc42 7 *
vcoubard 1131:692ddf04fc42 8 * http://www.apache.org/licenses/LICENSE-2.0
vcoubard 1131:692ddf04fc42 9 *
vcoubard 1131:692ddf04fc42 10 * Unless required by applicable law or agreed to in writing, software
vcoubard 1131:692ddf04fc42 11 * distributed under the License is distributed on an "AS IS" BASIS,
vcoubard 1131:692ddf04fc42 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vcoubard 1131:692ddf04fc42 13 * See the License for the specific language governing permissions and
vcoubard 1131:692ddf04fc42 14 * limitations under the License.
vcoubard 1131:692ddf04fc42 15 */
vcoubard 1131:692ddf04fc42 16
vcoubard 1131:692ddf04fc42 17 #ifndef __DISCOVERED_CHARACTERISTIC_H__
vcoubard 1131:692ddf04fc42 18 #define __DISCOVERED_CHARACTERISTIC_H__
vcoubard 1131:692ddf04fc42 19
vcoubard 1131:692ddf04fc42 20 #include "UUID.h"
vcoubard 1131:692ddf04fc42 21 #include "Gap.h"
vcoubard 1131:692ddf04fc42 22 #include "GattAttribute.h"
vcoubard 1131:692ddf04fc42 23 #include "GattClient.h"
vcoubard 1135:22aada733dbd 24 #include "CharacteristicDescriptorDiscovery.h"
vcoubard 1135:22aada733dbd 25 #include "ble/DiscoveredCharacteristicDescriptor.h"
vcoubard 1131:692ddf04fc42 26
vcoubard 1131:692ddf04fc42 27 /**
vcoubard 1135:22aada733dbd 28 * @brief Representation of a characteristic discovered during a GattClient
vcoubard 1135:22aada733dbd 29 * discovery procedure (see GattClient::launchServiceDiscovery ).
vcoubard 1135:22aada733dbd 30 *
vcoubard 1183:1589830dbdb7 31 * @details Provide detailed informations about a discovered characteristic like:
vcoubard 1183:1589830dbdb7 32 * - Its UUID (see getUUID()).
vcoubard 1135:22aada733dbd 33 * - The most important handles of the characteristic definition
vcoubard 1183:1589830dbdb7 34 * (see getDeclHandle(), getValueHandle(), getLastHandle())
vcoubard 1183:1589830dbdb7 35 * - Its properties (see getProperties()).
vcoubard 1135:22aada733dbd 36 * This class also provide functions to operate on the characteristic:
vcoubard 1183:1589830dbdb7 37 * - Read the characteristic value (see read())
vcoubard 1183:1589830dbdb7 38 * - Writing a characteristic value (see write() or writeWoResponse())
vcoubard 1135:22aada733dbd 39 * - Discover descriptors inside the characteristic definition. These descriptors
vcoubard 1135:22aada733dbd 40 * extends the characteristic. More information about descriptor usage is
vcoubard 1135:22aada733dbd 41 * available in DiscoveredCharacteristicDescriptor class.
vcoubard 1131:692ddf04fc42 42 */
vcoubard 1131:692ddf04fc42 43 class DiscoveredCharacteristic {
vcoubard 1131:692ddf04fc42 44 public:
vcoubard 1183:1589830dbdb7 45 /**
vcoubard 1183:1589830dbdb7 46 * Structure that encapsulates the properties of a discovered
vcoubard 1183:1589830dbdb7 47 * characteristic.
vcoubard 1183:1589830dbdb7 48 */
vcoubard 1131:692ddf04fc42 49 struct Properties_t {
vcoubard 1131:692ddf04fc42 50 uint8_t _broadcast :1; /**< Broadcasting the value permitted. */
vcoubard 1131:692ddf04fc42 51 uint8_t _read :1; /**< Reading the value permitted. */
vcoubard 1131:692ddf04fc42 52 uint8_t _writeWoResp :1; /**< Writing the value with Write Command permitted. */
vcoubard 1131:692ddf04fc42 53 uint8_t _write :1; /**< Writing the value with Write Request permitted. */
vcoubard 1135:22aada733dbd 54 uint8_t _notify :1; /**< Notifications of the value permitted. */
vcoubard 1131:692ddf04fc42 55 uint8_t _indicate :1; /**< Indications of the value permitted. */
vcoubard 1131:692ddf04fc42 56 uint8_t _authSignedWrite :1; /**< Writing the value with Signed Write Command permitted. */
vcoubard 1131:692ddf04fc42 57
vcoubard 1131:692ddf04fc42 58 public:
vcoubard 1183:1589830dbdb7 59 /**
vcoubard 1183:1589830dbdb7 60 * @brief Check if broadcasting is permitted.
vcoubard 1183:1589830dbdb7 61 *
vcoubard 1183:1589830dbdb7 62 * @return true if broadcasting the value is permitted, and false
vcoubard 1183:1589830dbdb7 63 * otherwise.
vcoubard 1183:1589830dbdb7 64 */
vcoubard 1183:1589830dbdb7 65 bool broadcast(void) const {
vcoubard 1183:1589830dbdb7 66 return _broadcast;
vcoubard 1183:1589830dbdb7 67 }
vcoubard 1183:1589830dbdb7 68
vcoubard 1183:1589830dbdb7 69 /**
vcoubard 1183:1589830dbdb7 70 * @brief Check reading is permitted.
vcoubard 1183:1589830dbdb7 71 *
vcoubard 1183:1589830dbdb7 72 * @return true if reading the value is permitted, and false
vcoubard 1183:1589830dbdb7 73 * otherwise.
vcoubard 1183:1589830dbdb7 74 */
vcoubard 1183:1589830dbdb7 75 bool read(void) const {
vcoubard 1183:1589830dbdb7 76 return _read;
vcoubard 1183:1589830dbdb7 77 }
vcoubard 1183:1589830dbdb7 78
vcoubard 1183:1589830dbdb7 79 /**
vcoubard 1183:1589830dbdb7 80 * @brief Check if writing with Write Command is permitted.
vcoubard 1183:1589830dbdb7 81 *
vcoubard 1183:1589830dbdb7 82 * @return true if writing the value with Write Command is permitted,
vcoubard 1183:1589830dbdb7 83 * false otherwise.
vcoubard 1183:1589830dbdb7 84 */
vcoubard 1183:1589830dbdb7 85 bool writeWoResp(void) const {
vcoubard 1183:1589830dbdb7 86 return _writeWoResp;
vcoubard 1183:1589830dbdb7 87 }
vcoubard 1183:1589830dbdb7 88
vcoubard 1183:1589830dbdb7 89 /**
vcoubard 1183:1589830dbdb7 90 * @brief Check if writing with Write Request is permitted.
vcoubard 1183:1589830dbdb7 91 *
vcoubard 1183:1589830dbdb7 92 * @return true if writing the value with Write Request is permitted,
vcoubard 1183:1589830dbdb7 93 * false otherwise.
vcoubard 1183:1589830dbdb7 94 */
vcoubard 1183:1589830dbdb7 95 bool write(void) const {
vcoubard 1183:1589830dbdb7 96 return _write;
vcoubard 1183:1589830dbdb7 97 }
vcoubard 1183:1589830dbdb7 98
vcoubard 1183:1589830dbdb7 99 /**
vcoubard 1183:1589830dbdb7 100 * @brief Check notifications are permitted.
vcoubard 1183:1589830dbdb7 101 *
vcoubard 1183:1589830dbdb7 102 * @return true if notifications of the value are permitted, false
vcoubard 1183:1589830dbdb7 103 * otherwise.
vcoubard 1183:1589830dbdb7 104 */
vcoubard 1183:1589830dbdb7 105 bool notify(void) const {
vcoubard 1183:1589830dbdb7 106 return _notify;
vcoubard 1183:1589830dbdb7 107 }
vcoubard 1183:1589830dbdb7 108
vcoubard 1183:1589830dbdb7 109 /**
vcoubard 1183:1589830dbdb7 110 * @brief Check if indications are permitted.
vcoubard 1183:1589830dbdb7 111 *
vcoubard 1183:1589830dbdb7 112 * @return true if indications of the value are permitted, false
vcoubard 1183:1589830dbdb7 113 * otherwise.
vcoubard 1183:1589830dbdb7 114 */
vcoubard 1183:1589830dbdb7 115 bool indicate(void) const {
vcoubard 1183:1589830dbdb7 116 return _indicate;
vcoubard 1183:1589830dbdb7 117 }
vcoubard 1183:1589830dbdb7 118
vcoubard 1183:1589830dbdb7 119 /**
vcoubard 1183:1589830dbdb7 120 * @brief Check if writing with Signed Write Command is permitted.
vcoubard 1183:1589830dbdb7 121 *
vcoubard 1183:1589830dbdb7 122 * @return true if writing the value with Signed Write Command is
vcoubard 1183:1589830dbdb7 123 * permitted, false otherwise.
vcoubard 1183:1589830dbdb7 124 */
vcoubard 1183:1589830dbdb7 125 bool authSignedWrite(void) const {
vcoubard 1183:1589830dbdb7 126 return _authSignedWrite;
vcoubard 1183:1589830dbdb7 127 }
vcoubard 1131:692ddf04fc42 128
vcoubard 1135:22aada733dbd 129 /**
vcoubard 1135:22aada733dbd 130 * @brief "Equal to" operator for DiscoveredCharacteristic::Properties_t
vcoubard 1135:22aada733dbd 131 *
vcoubard 1183:1589830dbdb7 132 * @param[in] lhs The left hand side of the equality expression
vcoubard 1183:1589830dbdb7 133 * @param[in] rhs The right hand side of the equality expression
vcoubard 1135:22aada733dbd 134 *
vcoubard 1135:22aada733dbd 135 * @return true if operands are equals, false otherwise.
vcoubard 1135:22aada733dbd 136 */
vcoubard 1135:22aada733dbd 137 friend bool operator==(Properties_t lhs, Properties_t rhs) {
vcoubard 1135:22aada733dbd 138 return lhs._broadcast == rhs._broadcast &&
vcoubard 1135:22aada733dbd 139 lhs._read == rhs._read &&
vcoubard 1135:22aada733dbd 140 lhs._writeWoResp == rhs._writeWoResp &&
vcoubard 1135:22aada733dbd 141 lhs._write == rhs._write &&
vcoubard 1135:22aada733dbd 142 lhs._notify == rhs._notify &&
vcoubard 1135:22aada733dbd 143 lhs._indicate == rhs._indicate &&
vcoubard 1135:22aada733dbd 144 lhs._authSignedWrite == rhs._authSignedWrite;
vcoubard 1135:22aada733dbd 145 }
vcoubard 1135:22aada733dbd 146
vcoubard 1135:22aada733dbd 147 /**
vcoubard 1135:22aada733dbd 148 * @brief "Not equal to" operator for DiscoveredCharacteristic::Properties_t
vcoubard 1135:22aada733dbd 149 *
vcoubard 1135:22aada733dbd 150 * @param lhs The right hand side of the expression
vcoubard 1135:22aada733dbd 151 * @param rhs The left hand side of the expression
vcoubard 1135:22aada733dbd 152 *
vcoubard 1135:22aada733dbd 153 * @return true if operands are not equals, false otherwise.
vcoubard 1135:22aada733dbd 154 */
vcoubard 1135:22aada733dbd 155 friend bool operator!=(Properties_t lhs, Properties_t rhs) {
vcoubard 1135:22aada733dbd 156 return !(lhs == rhs);
vcoubard 1135:22aada733dbd 157 }
vcoubard 1135:22aada733dbd 158
vcoubard 1131:692ddf04fc42 159 private:
vcoubard 1131:692ddf04fc42 160 operator uint8_t() const; /* Disallow implicit conversion into an integer. */
vcoubard 1131:692ddf04fc42 161 operator unsigned() const; /* Disallow implicit conversion into an integer. */
vcoubard 1131:692ddf04fc42 162 };
vcoubard 1131:692ddf04fc42 163
vcoubard 1131:692ddf04fc42 164 /**
vcoubard 1131:692ddf04fc42 165 * Initiate (or continue) a read for the value attribute, optionally at a
vcoubard 1131:692ddf04fc42 166 * given offset. If the characteristic or descriptor to be read is longer
vcoubard 1131:692ddf04fc42 167 * than ATT_MTU - 1, this function must be called multiple times with
vcoubard 1131:692ddf04fc42 168 * appropriate offset to read the complete value.
vcoubard 1131:692ddf04fc42 169 *
vcoubard 1183:1589830dbdb7 170 * @param[in] offset
vcoubard 1183:1589830dbdb7 171 * The position - in the characteristic value bytes stream - where
vcoubard 1183:1589830dbdb7 172 * the read operation begin.
vcoubard 1135:22aada733dbd 173 *
vcoubard 1131:692ddf04fc42 174 * @return BLE_ERROR_NONE if a read has been initiated, or
vcoubard 1131:692ddf04fc42 175 * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
vcoubard 1131:692ddf04fc42 176 * BLE_STACK_BUSY if some client procedure is already in progress, or
vcoubard 1131:692ddf04fc42 177 * BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
vcoubard 1131:692ddf04fc42 178 */
vcoubard 1131:692ddf04fc42 179 ble_error_t read(uint16_t offset = 0) const;
vcoubard 1131:692ddf04fc42 180
vcoubard 1135:22aada733dbd 181 /**
vcoubard 1135:22aada733dbd 182 * @brief Same as #read(uint16_t) const but allow the user to register a callback
vcoubard 1135:22aada733dbd 183 * which will be fired once the read is done.
vcoubard 1135:22aada733dbd 184 *
vcoubard 1183:1589830dbdb7 185 * @param[in] offset
vcoubard 1183:1589830dbdb7 186 * The position - in the characteristic value bytes stream - where
vcoubard 1183:1589830dbdb7 187 * the read operation begin.
vcoubard 1183:1589830dbdb7 188 * @param[in] onRead
vcoubard 1183:1589830dbdb7 189 * Continuation of the read operation
vcoubard 1135:22aada733dbd 190 */
vcoubard 1131:692ddf04fc42 191 ble_error_t read(uint16_t offset, const GattClient::ReadCallback_t& onRead) const;
vcoubard 1131:692ddf04fc42 192
vcoubard 1131:692ddf04fc42 193 /**
vcoubard 1131:692ddf04fc42 194 * Perform a write without response procedure.
vcoubard 1131:692ddf04fc42 195 *
vcoubard 1135:22aada733dbd 196 * @param[in] length
vcoubard 1131:692ddf04fc42 197 * The amount of data being written.
vcoubard 1135:22aada733dbd 198 * @param[in] value
vcoubard 1131:692ddf04fc42 199 * The bytes being written.
vcoubard 1131:692ddf04fc42 200 *
vcoubard 1131:692ddf04fc42 201 * @note It is important to note that a write without response will generate
vcoubard 1131:692ddf04fc42 202 * an onDataSent() callback when the packet has been transmitted. There
vcoubard 1131:692ddf04fc42 203 * will be a BLE-stack specific limit to the number of pending
vcoubard 1131:692ddf04fc42 204 * writeWoResponse operations; the user may want to use the onDataSent()
vcoubard 1131:692ddf04fc42 205 * callback for flow-control.
vcoubard 1131:692ddf04fc42 206 *
vcoubard 1131:692ddf04fc42 207 * @retval BLE_ERROR_NONE Successfully started the Write procedure, or
vcoubard 1131:692ddf04fc42 208 * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
vcoubard 1131:692ddf04fc42 209 * BLE_STACK_BUSY if some client procedure is already in progress, or
vcoubard 1131:692ddf04fc42 210 * BLE_ERROR_NO_MEM if there are no available buffers left to process the request, or
vcoubard 1131:692ddf04fc42 211 * BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
vcoubard 1131:692ddf04fc42 212 */
vcoubard 1131:692ddf04fc42 213 ble_error_t writeWoResponse(uint16_t length, const uint8_t *value) const;
vcoubard 1131:692ddf04fc42 214
vcoubard 1131:692ddf04fc42 215 /**
vcoubard 1131:692ddf04fc42 216 * Initiate a GATT Characteristic Descriptor Discovery procedure for descriptors within this characteristic.
vcoubard 1131:692ddf04fc42 217 *
vcoubard 1135:22aada733dbd 218 * @param[in] onDescriptorDiscovered This callback will be called every time a descriptor is discovered
vcoubard 1135:22aada733dbd 219 * @param[in] onTermination This callback will be called when the discovery process is over.
vcoubard 1131:692ddf04fc42 220 *
vcoubard 1135:22aada733dbd 221 * @return BLE_ERROR_NONE if descriptor discovery is launched successfully; else an appropriate error.
vcoubard 1131:692ddf04fc42 222 */
vcoubard 1135:22aada733dbd 223 ble_error_t discoverDescriptors(const CharacteristicDescriptorDiscovery::DiscoveryCallback_t& onDescriptorDiscovered,
vcoubard 1135:22aada733dbd 224 const CharacteristicDescriptorDiscovery::TerminationCallback_t& onTermination) const;
vcoubard 1131:692ddf04fc42 225
vcoubard 1131:692ddf04fc42 226 /**
vcoubard 1131:692ddf04fc42 227 * Perform a write procedure.
vcoubard 1131:692ddf04fc42 228 *
vcoubard 1135:22aada733dbd 229 * @param[in] length
vcoubard 1131:692ddf04fc42 230 * The amount of data being written.
vcoubard 1135:22aada733dbd 231 * @param[in] value
vcoubard 1131:692ddf04fc42 232 * The bytes being written.
vcoubard 1131:692ddf04fc42 233 *
vcoubard 1131:692ddf04fc42 234 * @note It is important to note that a write will generate
vcoubard 1131:692ddf04fc42 235 * an onDataWritten() callback when the peer acknowledges the request.
vcoubard 1131:692ddf04fc42 236 *
vcoubard 1131:692ddf04fc42 237 * @retval BLE_ERROR_NONE Successfully started the Write procedure, or
vcoubard 1131:692ddf04fc42 238 * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
vcoubard 1131:692ddf04fc42 239 * BLE_STACK_BUSY if some client procedure is already in progress, or
vcoubard 1131:692ddf04fc42 240 * BLE_ERROR_NO_MEM if there are no available buffers left to process the request, or
vcoubard 1131:692ddf04fc42 241 * BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
vcoubard 1131:692ddf04fc42 242 */
vcoubard 1131:692ddf04fc42 243 ble_error_t write(uint16_t length, const uint8_t *value) const;
vcoubard 1131:692ddf04fc42 244
vcoubard 1134:d540a48f650d 245 /**
vcoubard 1183:1589830dbdb7 246 * Same as write(uint16_t, const uint8_t *) const but register a callback
vcoubard 1135:22aada733dbd 247 * which will be called once the data has been written.
vcoubard 1135:22aada733dbd 248 *
vcoubard 1183:1589830dbdb7 249 * @param[in] length
vcoubard 1183:1589830dbdb7 250 * The amount of bytes to write.
vcoubard 1183:1589830dbdb7 251 * @param[in] value
vcoubard 1183:1589830dbdb7 252 * The bytes to write.
vcoubard 1183:1589830dbdb7 253 * @param[in] onWrite
vcoubard 1183:1589830dbdb7 254 * Continuation callback for the write operation
vcoubard 1183:1589830dbdb7 255 *
vcoubard 1183:1589830dbdb7 256 * @retval BLE_ERROR_NONE Successfully started the Write procedure, or
vcoubard 1183:1589830dbdb7 257 * BLE_ERROR_INVALID_STATE if some internal state about the connection is invalid, or
vcoubard 1183:1589830dbdb7 258 * BLE_STACK_BUSY if some client procedure is already in progress, or
vcoubard 1183:1589830dbdb7 259 * BLE_ERROR_NO_MEM if there are no available buffers left to process the request, or
vcoubard 1183:1589830dbdb7 260 * BLE_ERROR_OPERATION_NOT_PERMITTED due to the characteristic's properties.
vcoubard 1131:692ddf04fc42 261 */
vcoubard 1135:22aada733dbd 262 ble_error_t write(uint16_t length, const uint8_t *value, const GattClient::WriteCallback_t& onWrite) const;
vcoubard 1131:692ddf04fc42 263
vcoubard 1134:d540a48f650d 264 void setupLongUUID(UUID::LongUUIDBytes_t longUUID, UUID::ByteOrder_t order = UUID::MSB) {
vcoubard 1134:d540a48f650d 265 uuid.setupLong(longUUID, order);
vcoubard 1131:692ddf04fc42 266 }
vcoubard 1131:692ddf04fc42 267
vcoubard 1131:692ddf04fc42 268 public:
vcoubard 1135:22aada733dbd 269 /**
vcoubard 1135:22aada733dbd 270 * @brief Get the UUID of the discovered characteristic
vcoubard 1135:22aada733dbd 271 * @return the UUID of this characteristic
vcoubard 1135:22aada733dbd 272 */
vcoubard 1131:692ddf04fc42 273 const UUID& getUUID(void) const {
vcoubard 1131:692ddf04fc42 274 return uuid;
vcoubard 1131:692ddf04fc42 275 }
vcoubard 1131:692ddf04fc42 276
vcoubard 1135:22aada733dbd 277 /**
vcoubard 1135:22aada733dbd 278 * @brief Get the properties of this characteristic
vcoubard 1135:22aada733dbd 279 * @return the set of properties of this characteristic
vcoubard 1135:22aada733dbd 280 */
vcoubard 1131:692ddf04fc42 281 const Properties_t& getProperties(void) const {
vcoubard 1131:692ddf04fc42 282 return props;
vcoubard 1131:692ddf04fc42 283 }
vcoubard 1131:692ddf04fc42 284
vcoubard 1135:22aada733dbd 285 /**
vcoubard 1135:22aada733dbd 286 * @brief Get the declaration handle of this characteristic.
vcoubard 1183:1589830dbdb7 287 * @details The declaration handle is the first handle of a characteristic
vcoubard 1135:22aada733dbd 288 * definition. The value accessible at this handle contains the following
vcoubard 1135:22aada733dbd 289 * informations:
vcoubard 1135:22aada733dbd 290 * - The characteristics properties (see Properties_t). This value can
vcoubard 1135:22aada733dbd 291 * be accessed by using #getProperties .
vcoubard 1135:22aada733dbd 292 * - The characteristic value attribute handle. This field can be accessed
vcoubard 1135:22aada733dbd 293 * by using #getValueHandle .
vcoubard 1135:22aada733dbd 294 * - The characteristic UUID, this value can be accessed by using the
vcoubard 1135:22aada733dbd 295 * function #getUUID .
vcoubard 1135:22aada733dbd 296 * @return the declaration handle of this characteristic.
vcoubard 1135:22aada733dbd 297 */
vcoubard 1135:22aada733dbd 298 GattAttribute::Handle_t getDeclHandle(void) const {
vcoubard 1131:692ddf04fc42 299 return declHandle;
vcoubard 1131:692ddf04fc42 300 }
vcoubard 1135:22aada733dbd 301
vcoubard 1135:22aada733dbd 302 /**
vcoubard 1135:22aada733dbd 303 * @brief Return the handle used to access the value of this characteristic.
vcoubard 1135:22aada733dbd 304 * @details This handle is the one provided in the characteristic declaration
vcoubard 1135:22aada733dbd 305 * value. Usually, it is equal to #getDeclHandle() + 1. But it is not always
vcoubard 1135:22aada733dbd 306 * the case. Anyway, users are allowed to use #getDeclHandle() + 1 to access
vcoubard 1135:22aada733dbd 307 * the value of a characteristic.
vcoubard 1135:22aada733dbd 308 * @return The handle to access the value of this characteristic.
vcoubard 1135:22aada733dbd 309 */
vcoubard 1135:22aada733dbd 310 GattAttribute::Handle_t getValueHandle(void) const {
vcoubard 1131:692ddf04fc42 311 return valueHandle;
vcoubard 1131:692ddf04fc42 312 }
vcoubard 1131:692ddf04fc42 313
vcoubard 1135:22aada733dbd 314 /**
vcoubard 1135:22aada733dbd 315 * @brief Return the last handle of the characteristic definition.
vcoubard 1135:22aada733dbd 316 * @details A Characteristic definition can contain a lot of handles:
vcoubard 1135:22aada733dbd 317 * - one for the declaration (see #getDeclHandle)
vcoubard 1135:22aada733dbd 318 * - one for the value (see #getValueHandle)
vcoubard 1135:22aada733dbd 319 * - zero of more for the characteristic descriptors.
vcoubard 1135:22aada733dbd 320 * This handle is the last handle of the characteristic definition.
vcoubard 1135:22aada733dbd 321 * @return The last handle of this characteristic definition.
vcoubard 1135:22aada733dbd 322 */
vcoubard 1135:22aada733dbd 323 GattAttribute::Handle_t getLastHandle(void) const {
vcoubard 1135:22aada733dbd 324 return lastHandle;
vcoubard 1135:22aada733dbd 325 }
vcoubard 1135:22aada733dbd 326
vcoubard 1135:22aada733dbd 327 /**
vcoubard 1135:22aada733dbd 328 * @brief Return the GattClient which can operate on this characteristic.
vcoubard 1135:22aada733dbd 329 * @return The GattClient which can operate on this characteristic.
vcoubard 1135:22aada733dbd 330 */
vcoubard 1135:22aada733dbd 331 GattClient* getGattClient() {
vcoubard 1135:22aada733dbd 332 return gattc;
vcoubard 1135:22aada733dbd 333 }
vcoubard 1135:22aada733dbd 334
vcoubard 1135:22aada733dbd 335 /**
vcoubard 1135:22aada733dbd 336 * @brief Return the GattClient which can operate on this characteristic.
vcoubard 1135:22aada733dbd 337 * @return The GattClient which can operate on this characteristic.
vcoubard 1135:22aada733dbd 338 */
vcoubard 1135:22aada733dbd 339 const GattClient* getGattClient() const {
vcoubard 1135:22aada733dbd 340 return gattc;
vcoubard 1135:22aada733dbd 341 }
vcoubard 1135:22aada733dbd 342
vcoubard 1135:22aada733dbd 343 /**
vcoubard 1135:22aada733dbd 344 * @brief Return the connection handle to the GattServer which contain
vcoubard 1135:22aada733dbd 345 * this characteristic.
vcoubard 1135:22aada733dbd 346 * @return the connection handle to the GattServer which contain
vcoubard 1135:22aada733dbd 347 * this characteristic.
vcoubard 1135:22aada733dbd 348 */
vcoubard 1135:22aada733dbd 349 Gap::Handle_t getConnectionHandle() const {
vcoubard 1135:22aada733dbd 350 return connHandle;
vcoubard 1135:22aada733dbd 351 }
vcoubard 1135:22aada733dbd 352
vcoubard 1135:22aada733dbd 353 /**
vcoubard 1135:22aada733dbd 354 * @brief "Equal to" operator for DiscoveredCharacteristic
vcoubard 1135:22aada733dbd 355 *
vcoubard 1183:1589830dbdb7 356 * @param[in] lhs
vcoubard 1183:1589830dbdb7 357 * The left hand side of the equality expression
vcoubard 1183:1589830dbdb7 358 * @param[in] rhs
vcoubard 1183:1589830dbdb7 359 * The right hand side of the equality expression
vcoubard 1135:22aada733dbd 360 *
vcoubard 1135:22aada733dbd 361 * @return true if operands are equals, false otherwise.
vcoubard 1135:22aada733dbd 362 */
vcoubard 1135:22aada733dbd 363 friend bool operator==(const DiscoveredCharacteristic& lhs, const DiscoveredCharacteristic& rhs) {
vcoubard 1135:22aada733dbd 364 return lhs.gattc == rhs.gattc &&
vcoubard 1135:22aada733dbd 365 lhs.uuid == rhs.uuid &&
vcoubard 1135:22aada733dbd 366 lhs.props == rhs.props &&
vcoubard 1135:22aada733dbd 367 lhs.declHandle == rhs.declHandle &&
vcoubard 1135:22aada733dbd 368 lhs.valueHandle == rhs.valueHandle &&
vcoubard 1135:22aada733dbd 369 lhs.lastHandle == rhs.lastHandle &&
vcoubard 1135:22aada733dbd 370 lhs.connHandle == rhs.connHandle;
vcoubard 1135:22aada733dbd 371 }
vcoubard 1135:22aada733dbd 372
vcoubard 1135:22aada733dbd 373 /**
vcoubard 1135:22aada733dbd 374 * @brief "Not equal to" operator for DiscoveredCharacteristic
vcoubard 1135:22aada733dbd 375 *
vcoubard 1183:1589830dbdb7 376 * @param[in] lhs
vcoubard 1183:1589830dbdb7 377 * The right hand side of the expression
vcoubard 1183:1589830dbdb7 378 * @param[in] rhs
vcoubard 1183:1589830dbdb7 379 * The left hand side of the expression
vcoubard 1135:22aada733dbd 380 *
vcoubard 1183:1589830dbdb7 381 * @return true if operands are not equal, false otherwise.
vcoubard 1135:22aada733dbd 382 */
vcoubard 1135:22aada733dbd 383 friend bool operator !=(const DiscoveredCharacteristic& lhs, const DiscoveredCharacteristic& rhs) {
vcoubard 1135:22aada733dbd 384 return !(lhs == rhs);
vcoubard 1135:22aada733dbd 385 }
vcoubard 1135:22aada733dbd 386
vcoubard 1131:692ddf04fc42 387 public:
vcoubard 1131:692ddf04fc42 388 DiscoveredCharacteristic() : gattc(NULL),
vcoubard 1131:692ddf04fc42 389 uuid(UUID::ShortUUIDBytes_t(0)),
vcoubard 1131:692ddf04fc42 390 props(),
vcoubard 1131:692ddf04fc42 391 declHandle(GattAttribute::INVALID_HANDLE),
vcoubard 1135:22aada733dbd 392 valueHandle(GattAttribute::INVALID_HANDLE),
vcoubard 1135:22aada733dbd 393 lastHandle(GattAttribute::INVALID_HANDLE),
vcoubard 1135:22aada733dbd 394 connHandle() {
vcoubard 1131:692ddf04fc42 395 /* empty */
vcoubard 1131:692ddf04fc42 396 }
vcoubard 1131:692ddf04fc42 397
vcoubard 1131:692ddf04fc42 398 protected:
vcoubard 1183:1589830dbdb7 399 /**
vcoubard 1183:1589830dbdb7 400 * Pointer to the underlying GattClient for this DiscoveredCharacteristic object.
vcoubard 1183:1589830dbdb7 401 */
vcoubard 1131:692ddf04fc42 402 GattClient *gattc;
vcoubard 1131:692ddf04fc42 403
vcoubard 1131:692ddf04fc42 404 protected:
vcoubard 1183:1589830dbdb7 405 /**
vcoubard 1183:1589830dbdb7 406 * Discovered characteristic's UUID.
vcoubard 1183:1589830dbdb7 407 */
vcoubard 1131:692ddf04fc42 408 UUID uuid;
vcoubard 1183:1589830dbdb7 409 /**
vcoubard 1183:1589830dbdb7 410 * Hold the configured properties of the discovered characteristic.
vcoubard 1183:1589830dbdb7 411 * For more information refer to Properties_t.
vcoubard 1183:1589830dbdb7 412 */
vcoubard 1131:692ddf04fc42 413 Properties_t props;
vcoubard 1183:1589830dbdb7 414 /**
vcoubard 1183:1589830dbdb7 415 * Value handle of the discovered characteristic's declaration attribute.
vcoubard 1183:1589830dbdb7 416 */
vcoubard 1131:692ddf04fc42 417 GattAttribute::Handle_t declHandle;
vcoubard 1183:1589830dbdb7 418 /**
vcoubard 1183:1589830dbdb7 419 * Value handle of the discovered characteristic's value attribute.
vcoubard 1183:1589830dbdb7 420 */
vcoubard 1131:692ddf04fc42 421 GattAttribute::Handle_t valueHandle;
vcoubard 1183:1589830dbdb7 422 /**
vcoubard 1183:1589830dbdb7 423 * Value handle of the discovered characteristic's last attribute.
vcoubard 1183:1589830dbdb7 424 */
vcoubard 1135:22aada733dbd 425 GattAttribute::Handle_t lastHandle;
vcoubard 1131:692ddf04fc42 426
vcoubard 1183:1589830dbdb7 427 /**
vcoubard 1183:1589830dbdb7 428 * Handle for the connection where the characteristic was discovered.
vcoubard 1183:1589830dbdb7 429 */
vcoubard 1131:692ddf04fc42 430 Gap::Handle_t connHandle;
vcoubard 1131:692ddf04fc42 431 };
vcoubard 1131:692ddf04fc42 432
rgrover1 716:11b41f651697 433 #endif /*__DISCOVERED_CHARACTERISTIC_H__*/