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mbed-os/features/FEATURE_BLE/ble/GattServer.h@0:9b3d4731edbb, 2018-06-21 (annotated)
- Committer:
- WFKnight
- Date:
- Thu Jun 21 13:51:43 2018 +0000
- Revision:
- 0:9b3d4731edbb
UART, RTOS, LED
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| WFKnight | 0:9b3d4731edbb | 1 | /* mbed Microcontroller Library |
| WFKnight | 0:9b3d4731edbb | 2 | * Copyright (c) 2006-2013 ARM Limited |
| WFKnight | 0:9b3d4731edbb | 3 | * |
| WFKnight | 0:9b3d4731edbb | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| WFKnight | 0:9b3d4731edbb | 5 | * you may not use this file except in compliance with the License. |
| WFKnight | 0:9b3d4731edbb | 6 | * You may obtain a copy of the License at |
| WFKnight | 0:9b3d4731edbb | 7 | * |
| WFKnight | 0:9b3d4731edbb | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| WFKnight | 0:9b3d4731edbb | 9 | * |
| WFKnight | 0:9b3d4731edbb | 10 | * Unless required by applicable law or agreed to in writing, software |
| WFKnight | 0:9b3d4731edbb | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| WFKnight | 0:9b3d4731edbb | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| WFKnight | 0:9b3d4731edbb | 13 | * See the License for the specific language governing permissions and |
| WFKnight | 0:9b3d4731edbb | 14 | * limitations under the License. |
| WFKnight | 0:9b3d4731edbb | 15 | */ |
| WFKnight | 0:9b3d4731edbb | 16 | |
| WFKnight | 0:9b3d4731edbb | 17 | #ifndef MBED_GATT_SERVER_H__ |
| WFKnight | 0:9b3d4731edbb | 18 | #define MBED_GATT_SERVER_H__ |
| WFKnight | 0:9b3d4731edbb | 19 | |
| WFKnight | 0:9b3d4731edbb | 20 | #include "Gap.h" |
| WFKnight | 0:9b3d4731edbb | 21 | #include "GattService.h" |
| WFKnight | 0:9b3d4731edbb | 22 | #include "GattAttribute.h" |
| WFKnight | 0:9b3d4731edbb | 23 | #include "GattServerEvents.h" |
| WFKnight | 0:9b3d4731edbb | 24 | #include "GattCallbackParamTypes.h" |
| WFKnight | 0:9b3d4731edbb | 25 | #include "CallChainOfFunctionPointersWithContext.h" |
| WFKnight | 0:9b3d4731edbb | 26 | |
| WFKnight | 0:9b3d4731edbb | 27 | /** |
| WFKnight | 0:9b3d4731edbb | 28 | * @addtogroup ble |
| WFKnight | 0:9b3d4731edbb | 29 | * @{ |
| WFKnight | 0:9b3d4731edbb | 30 | * @addtogroup gatt |
| WFKnight | 0:9b3d4731edbb | 31 | * @{ |
| WFKnight | 0:9b3d4731edbb | 32 | * @addtogroup server |
| WFKnight | 0:9b3d4731edbb | 33 | * @{ |
| WFKnight | 0:9b3d4731edbb | 34 | */ |
| WFKnight | 0:9b3d4731edbb | 35 | |
| WFKnight | 0:9b3d4731edbb | 36 | /** |
| WFKnight | 0:9b3d4731edbb | 37 | * Construct and operates a GATT server. |
| WFKnight | 0:9b3d4731edbb | 38 | * |
| WFKnight | 0:9b3d4731edbb | 39 | * A Gatt server is a collection of GattService; these services contain |
| WFKnight | 0:9b3d4731edbb | 40 | * characteristics that a peer connected to the device may read or write. |
| WFKnight | 0:9b3d4731edbb | 41 | * These characteristics may also emit updates to subscribed clients when their |
| WFKnight | 0:9b3d4731edbb | 42 | * values change. |
| WFKnight | 0:9b3d4731edbb | 43 | * |
| WFKnight | 0:9b3d4731edbb | 44 | * @p Server Layout |
| WFKnight | 0:9b3d4731edbb | 45 | * |
| WFKnight | 0:9b3d4731edbb | 46 | * Application code can add a GattService object to the server with the help of |
| WFKnight | 0:9b3d4731edbb | 47 | * the function addService(). That function registers all the GattCharacteristic |
| WFKnight | 0:9b3d4731edbb | 48 | * enclosed in the service, as well as all the characteristics descriptors (see |
| WFKnight | 0:9b3d4731edbb | 49 | * GattAttribute) these characteristics contain. Service registration assigns |
| WFKnight | 0:9b3d4731edbb | 50 | * a unique handle to the various attributes being part of the service; this |
| WFKnight | 0:9b3d4731edbb | 51 | * handle should be used for subsequent read or write of these components. |
| WFKnight | 0:9b3d4731edbb | 52 | * |
| WFKnight | 0:9b3d4731edbb | 53 | * There are no primitives defined to remove a single service; however, a call to |
| WFKnight | 0:9b3d4731edbb | 54 | * the function reset() removes all services previously registered in the |
| WFKnight | 0:9b3d4731edbb | 55 | * GattServer. |
| WFKnight | 0:9b3d4731edbb | 56 | * |
| WFKnight | 0:9b3d4731edbb | 57 | * @p Characteristic and attributes access |
| WFKnight | 0:9b3d4731edbb | 58 | * |
| WFKnight | 0:9b3d4731edbb | 59 | * Values of the characteristic and the characteristic descriptor present in the |
| WFKnight | 0:9b3d4731edbb | 60 | * GattServer must be accessed through the handle assigned to them when the service |
| WFKnight | 0:9b3d4731edbb | 61 | * has been registered; the GattServer class offers several flavors of read() |
| WFKnight | 0:9b3d4731edbb | 62 | * and write() functions that retrieve or mutate an attribute value. |
| WFKnight | 0:9b3d4731edbb | 63 | * |
| WFKnight | 0:9b3d4731edbb | 64 | * Application code can query if a client has subscribed to a given |
| WFKnight | 0:9b3d4731edbb | 65 | * characteristic's value update by invoking the function areUpdatesEnabled(). |
| WFKnight | 0:9b3d4731edbb | 66 | * |
| WFKnight | 0:9b3d4731edbb | 67 | * @p Events |
| WFKnight | 0:9b3d4731edbb | 68 | * |
| WFKnight | 0:9b3d4731edbb | 69 | * The GattServer allows application code to register several event handlers that |
| WFKnight | 0:9b3d4731edbb | 70 | * can be used to monitor client and server activities: |
| WFKnight | 0:9b3d4731edbb | 71 | * - onDataSent(): Register an event handler that is called when a |
| WFKnight | 0:9b3d4731edbb | 72 | * characteristic value update has been sent to a client. |
| WFKnight | 0:9b3d4731edbb | 73 | * - onDataWriten(): Register an event handler that is called when a |
| WFKnight | 0:9b3d4731edbb | 74 | * client has written an attribute of the server. |
| WFKnight | 0:9b3d4731edbb | 75 | * - onDataRead(): Register an event handler that is called when a |
| WFKnight | 0:9b3d4731edbb | 76 | * client has read an attribute of the server. |
| WFKnight | 0:9b3d4731edbb | 77 | * - onUpdatesEnabled: Register an event handler that is called when a |
| WFKnight | 0:9b3d4731edbb | 78 | * client subscribes to updates of a characteristic. |
| WFKnight | 0:9b3d4731edbb | 79 | * - onUpdatesDisabled: Register an event handler that is called when a |
| WFKnight | 0:9b3d4731edbb | 80 | * client unsubscribes from updates of a characteristic. |
| WFKnight | 0:9b3d4731edbb | 81 | * - onConfimationReceived: Register an event handler that is called |
| WFKnight | 0:9b3d4731edbb | 82 | * when a client acknowledges a characteristic value notification. |
| WFKnight | 0:9b3d4731edbb | 83 | * |
| WFKnight | 0:9b3d4731edbb | 84 | * @note The term characteristic value update is used to represent |
| WFKnight | 0:9b3d4731edbb | 85 | * Characteristic Value Notification and Characteristic Value Indication when |
| WFKnight | 0:9b3d4731edbb | 86 | * the nature of the server initiated is not relevant. |
| WFKnight | 0:9b3d4731edbb | 87 | */ |
| WFKnight | 0:9b3d4731edbb | 88 | class GattServer { |
| WFKnight | 0:9b3d4731edbb | 89 | public: |
| WFKnight | 0:9b3d4731edbb | 90 | /** |
| WFKnight | 0:9b3d4731edbb | 91 | * Event handler invoked when the server has sent data to a client. |
| WFKnight | 0:9b3d4731edbb | 92 | * |
| WFKnight | 0:9b3d4731edbb | 93 | * @see onDataSent(). |
| WFKnight | 0:9b3d4731edbb | 94 | */ |
| WFKnight | 0:9b3d4731edbb | 95 | typedef FunctionPointerWithContext<unsigned> DataSentCallback_t; |
| WFKnight | 0:9b3d4731edbb | 96 | |
| WFKnight | 0:9b3d4731edbb | 97 | /** |
| WFKnight | 0:9b3d4731edbb | 98 | * Callchain of DataSentCallback_t objects. |
| WFKnight | 0:9b3d4731edbb | 99 | * |
| WFKnight | 0:9b3d4731edbb | 100 | * @see onDataSent(). |
| WFKnight | 0:9b3d4731edbb | 101 | */ |
| WFKnight | 0:9b3d4731edbb | 102 | typedef CallChainOfFunctionPointersWithContext<unsigned> |
| WFKnight | 0:9b3d4731edbb | 103 | DataSentCallbackChain_t; |
| WFKnight | 0:9b3d4731edbb | 104 | |
| WFKnight | 0:9b3d4731edbb | 105 | /** |
| WFKnight | 0:9b3d4731edbb | 106 | * Event handler invoked when the client has written an attribute of the |
| WFKnight | 0:9b3d4731edbb | 107 | * server. |
| WFKnight | 0:9b3d4731edbb | 108 | * |
| WFKnight | 0:9b3d4731edbb | 109 | * @see onDataWritten(). |
| WFKnight | 0:9b3d4731edbb | 110 | */ |
| WFKnight | 0:9b3d4731edbb | 111 | typedef FunctionPointerWithContext<const GattWriteCallbackParams*> |
| WFKnight | 0:9b3d4731edbb | 112 | DataWrittenCallback_t; |
| WFKnight | 0:9b3d4731edbb | 113 | |
| WFKnight | 0:9b3d4731edbb | 114 | /** |
| WFKnight | 0:9b3d4731edbb | 115 | * Callchain of DataWrittenCallback_t objects. |
| WFKnight | 0:9b3d4731edbb | 116 | * |
| WFKnight | 0:9b3d4731edbb | 117 | * @see onDataWritten(). |
| WFKnight | 0:9b3d4731edbb | 118 | */ |
| WFKnight | 0:9b3d4731edbb | 119 | typedef CallChainOfFunctionPointersWithContext<const GattWriteCallbackParams*> |
| WFKnight | 0:9b3d4731edbb | 120 | DataWrittenCallbackChain_t; |
| WFKnight | 0:9b3d4731edbb | 121 | |
| WFKnight | 0:9b3d4731edbb | 122 | /** |
| WFKnight | 0:9b3d4731edbb | 123 | * Event handler invoked when the client has read an attribute of the server. |
| WFKnight | 0:9b3d4731edbb | 124 | * |
| WFKnight | 0:9b3d4731edbb | 125 | * @see onDataRead(). |
| WFKnight | 0:9b3d4731edbb | 126 | */ |
| WFKnight | 0:9b3d4731edbb | 127 | typedef FunctionPointerWithContext<const GattReadCallbackParams*> |
| WFKnight | 0:9b3d4731edbb | 128 | DataReadCallback_t; |
| WFKnight | 0:9b3d4731edbb | 129 | |
| WFKnight | 0:9b3d4731edbb | 130 | /** |
| WFKnight | 0:9b3d4731edbb | 131 | * Callchain of DataReadCallback_t. |
| WFKnight | 0:9b3d4731edbb | 132 | * |
| WFKnight | 0:9b3d4731edbb | 133 | * @see onDataRead(). |
| WFKnight | 0:9b3d4731edbb | 134 | */ |
| WFKnight | 0:9b3d4731edbb | 135 | typedef CallChainOfFunctionPointersWithContext<const GattReadCallbackParams*> |
| WFKnight | 0:9b3d4731edbb | 136 | DataReadCallbackChain_t; |
| WFKnight | 0:9b3d4731edbb | 137 | |
| WFKnight | 0:9b3d4731edbb | 138 | /** |
| WFKnight | 0:9b3d4731edbb | 139 | * Event handler invoked when the GattServer is reset. |
| WFKnight | 0:9b3d4731edbb | 140 | * |
| WFKnight | 0:9b3d4731edbb | 141 | * @see onShutdown() reset() |
| WFKnight | 0:9b3d4731edbb | 142 | */ |
| WFKnight | 0:9b3d4731edbb | 143 | typedef FunctionPointerWithContext<const GattServer *> |
| WFKnight | 0:9b3d4731edbb | 144 | GattServerShutdownCallback_t; |
| WFKnight | 0:9b3d4731edbb | 145 | |
| WFKnight | 0:9b3d4731edbb | 146 | /** |
| WFKnight | 0:9b3d4731edbb | 147 | * Callchain of GattServerShutdownCallback_t. |
| WFKnight | 0:9b3d4731edbb | 148 | * |
| WFKnight | 0:9b3d4731edbb | 149 | * @see onShutdown() reset() |
| WFKnight | 0:9b3d4731edbb | 150 | */ |
| WFKnight | 0:9b3d4731edbb | 151 | typedef CallChainOfFunctionPointersWithContext<const GattServer*> |
| WFKnight | 0:9b3d4731edbb | 152 | GattServerShutdownCallbackChain_t; |
| WFKnight | 0:9b3d4731edbb | 153 | |
| WFKnight | 0:9b3d4731edbb | 154 | /** |
| WFKnight | 0:9b3d4731edbb | 155 | * Event handler that handles subscription to characteristic updates, |
| WFKnight | 0:9b3d4731edbb | 156 | * unsubscription from characteristic updates and notification confirmation. |
| WFKnight | 0:9b3d4731edbb | 157 | * |
| WFKnight | 0:9b3d4731edbb | 158 | * @see onUpdatesEnabled() onUpdateDisabled() onConfirmationReceived() |
| WFKnight | 0:9b3d4731edbb | 159 | */ |
| WFKnight | 0:9b3d4731edbb | 160 | typedef FunctionPointerWithContext<GattAttribute::Handle_t> EventCallback_t; |
| WFKnight | 0:9b3d4731edbb | 161 | |
| WFKnight | 0:9b3d4731edbb | 162 | protected: |
| WFKnight | 0:9b3d4731edbb | 163 | /** |
| WFKnight | 0:9b3d4731edbb | 164 | * Construct a GattServer instance. |
| WFKnight | 0:9b3d4731edbb | 165 | */ |
| WFKnight | 0:9b3d4731edbb | 166 | GattServer() : |
| WFKnight | 0:9b3d4731edbb | 167 | serviceCount(0), |
| WFKnight | 0:9b3d4731edbb | 168 | characteristicCount(0), |
| WFKnight | 0:9b3d4731edbb | 169 | dataSentCallChain(), |
| WFKnight | 0:9b3d4731edbb | 170 | dataWrittenCallChain(), |
| WFKnight | 0:9b3d4731edbb | 171 | dataReadCallChain(), |
| WFKnight | 0:9b3d4731edbb | 172 | updatesEnabledCallback(NULL), |
| WFKnight | 0:9b3d4731edbb | 173 | updatesDisabledCallback(NULL), |
| WFKnight | 0:9b3d4731edbb | 174 | confirmationReceivedCallback(NULL) { |
| WFKnight | 0:9b3d4731edbb | 175 | } |
| WFKnight | 0:9b3d4731edbb | 176 | |
| WFKnight | 0:9b3d4731edbb | 177 | /* |
| WFKnight | 0:9b3d4731edbb | 178 | * The following functions are meant to be overridden in the platform |
| WFKnight | 0:9b3d4731edbb | 179 | * specific subclass. |
| WFKnight | 0:9b3d4731edbb | 180 | */ |
| WFKnight | 0:9b3d4731edbb | 181 | public: |
| WFKnight | 0:9b3d4731edbb | 182 | |
| WFKnight | 0:9b3d4731edbb | 183 | /** |
| WFKnight | 0:9b3d4731edbb | 184 | * Add a service declaration to the local attribute server table. |
| WFKnight | 0:9b3d4731edbb | 185 | * |
| WFKnight | 0:9b3d4731edbb | 186 | * This functions inserts a service declaration in the attribute table |
| WFKnight | 0:9b3d4731edbb | 187 | * followed by the characteristic declarations (including characteristic |
| WFKnight | 0:9b3d4731edbb | 188 | * descriptors) present in @p service. |
| WFKnight | 0:9b3d4731edbb | 189 | * |
| WFKnight | 0:9b3d4731edbb | 190 | * The process assigns a unique attribute handle to all the elements added |
| WFKnight | 0:9b3d4731edbb | 191 | * into the attribute table. This handle is an ID that must be used for |
| WFKnight | 0:9b3d4731edbb | 192 | * subsequent interractions with the elements. |
| WFKnight | 0:9b3d4731edbb | 193 | * |
| WFKnight | 0:9b3d4731edbb | 194 | * @note There is no mirror function that removes a single service. |
| WFKnight | 0:9b3d4731edbb | 195 | * Application code can remove all the registered services by calling |
| WFKnight | 0:9b3d4731edbb | 196 | * reset(). |
| WFKnight | 0:9b3d4731edbb | 197 | * |
| WFKnight | 0:9b3d4731edbb | 198 | * @attention Service, characteristics and descriptors objects registered |
| WFKnight | 0:9b3d4731edbb | 199 | * within the GattServer must remain reachable until reset() is called. |
| WFKnight | 0:9b3d4731edbb | 200 | * |
| WFKnight | 0:9b3d4731edbb | 201 | * @param[in] service The service to be added; attribute handle of services, |
| WFKnight | 0:9b3d4731edbb | 202 | * characteristic and characteristic descriptors are updated by the |
| WFKnight | 0:9b3d4731edbb | 203 | * process. |
| WFKnight | 0:9b3d4731edbb | 204 | * |
| WFKnight | 0:9b3d4731edbb | 205 | * @return BLE_ERROR_NONE if the service was successfully added. |
| WFKnight | 0:9b3d4731edbb | 206 | */ |
| WFKnight | 0:9b3d4731edbb | 207 | virtual ble_error_t addService(GattService &service) |
| WFKnight | 0:9b3d4731edbb | 208 | { |
| WFKnight | 0:9b3d4731edbb | 209 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 210 | (void)service; |
| WFKnight | 0:9b3d4731edbb | 211 | |
| WFKnight | 0:9b3d4731edbb | 212 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 213 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 214 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 215 | } |
| WFKnight | 0:9b3d4731edbb | 216 | |
| WFKnight | 0:9b3d4731edbb | 217 | /** |
| WFKnight | 0:9b3d4731edbb | 218 | * Read the value of an attribute present in the local GATT server. |
| WFKnight | 0:9b3d4731edbb | 219 | * |
| WFKnight | 0:9b3d4731edbb | 220 | * @param[in] attributeHandle Handle of the attribute to read. |
| WFKnight | 0:9b3d4731edbb | 221 | * @param[out] buffer A buffer to hold the value being read. |
| WFKnight | 0:9b3d4731edbb | 222 | * @param[in,out] lengthP Length of the buffer being supplied. If the |
| WFKnight | 0:9b3d4731edbb | 223 | * attribute value is longer than the size of the supplied buffer, this |
| WFKnight | 0:9b3d4731edbb | 224 | * variable holds upon return the total attribute value length (excluding |
| WFKnight | 0:9b3d4731edbb | 225 | * offset). The application may use this information to allocate a suitable |
| WFKnight | 0:9b3d4731edbb | 226 | * buffer size. |
| WFKnight | 0:9b3d4731edbb | 227 | * |
| WFKnight | 0:9b3d4731edbb | 228 | * @return BLE_ERROR_NONE if a value was read successfully into the buffer. |
| WFKnight | 0:9b3d4731edbb | 229 | * |
| WFKnight | 0:9b3d4731edbb | 230 | * @attention read(Gap::Handle_t, GattAttribute::Handle_t, uint8_t *, uint16_t *) |
| WFKnight | 0:9b3d4731edbb | 231 | * must be used to read Client Characteristic Configuration Descriptor (CCCD) |
| WFKnight | 0:9b3d4731edbb | 232 | * because the value of this type of attribute depends on the connection. |
| WFKnight | 0:9b3d4731edbb | 233 | */ |
| WFKnight | 0:9b3d4731edbb | 234 | virtual ble_error_t read( |
| WFKnight | 0:9b3d4731edbb | 235 | GattAttribute::Handle_t attributeHandle, |
| WFKnight | 0:9b3d4731edbb | 236 | uint8_t buffer[], |
| WFKnight | 0:9b3d4731edbb | 237 | uint16_t *lengthP |
| WFKnight | 0:9b3d4731edbb | 238 | ) { |
| WFKnight | 0:9b3d4731edbb | 239 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 240 | (void)attributeHandle; |
| WFKnight | 0:9b3d4731edbb | 241 | (void)buffer; |
| WFKnight | 0:9b3d4731edbb | 242 | (void)lengthP; |
| WFKnight | 0:9b3d4731edbb | 243 | |
| WFKnight | 0:9b3d4731edbb | 244 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 245 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 246 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 247 | } |
| WFKnight | 0:9b3d4731edbb | 248 | |
| WFKnight | 0:9b3d4731edbb | 249 | /** |
| WFKnight | 0:9b3d4731edbb | 250 | * Read the value of an attribute present in the local GATT server. |
| WFKnight | 0:9b3d4731edbb | 251 | * |
| WFKnight | 0:9b3d4731edbb | 252 | * The connection handle allows application code to read the value of a |
| WFKnight | 0:9b3d4731edbb | 253 | * Client Characteristic Configuration Descriptor for a given connection. |
| WFKnight | 0:9b3d4731edbb | 254 | * |
| WFKnight | 0:9b3d4731edbb | 255 | * @param[in] connectionHandle Connection handle. |
| WFKnight | 0:9b3d4731edbb | 256 | * @param[in] attributeHandle Attribute handle for the value attribute of |
| WFKnight | 0:9b3d4731edbb | 257 | * the characteristic. |
| WFKnight | 0:9b3d4731edbb | 258 | * @param[out] buffer A buffer to hold the value being read. |
| WFKnight | 0:9b3d4731edbb | 259 | * @param[in,out] lengthP Length of the buffer being supplied. If the |
| WFKnight | 0:9b3d4731edbb | 260 | * attribute value is longer than the size of the supplied buffer, this |
| WFKnight | 0:9b3d4731edbb | 261 | * variable holds upon return the total attribute value length (excluding |
| WFKnight | 0:9b3d4731edbb | 262 | * offset). The application may use this information to allocate a suitable |
| WFKnight | 0:9b3d4731edbb | 263 | * buffer size. |
| WFKnight | 0:9b3d4731edbb | 264 | * |
| WFKnight | 0:9b3d4731edbb | 265 | * @return BLE_ERROR_NONE if a value was read successfully into the buffer. |
| WFKnight | 0:9b3d4731edbb | 266 | */ |
| WFKnight | 0:9b3d4731edbb | 267 | virtual ble_error_t read( |
| WFKnight | 0:9b3d4731edbb | 268 | Gap::Handle_t connectionHandle, |
| WFKnight | 0:9b3d4731edbb | 269 | GattAttribute::Handle_t attributeHandle, |
| WFKnight | 0:9b3d4731edbb | 270 | uint8_t *buffer, |
| WFKnight | 0:9b3d4731edbb | 271 | uint16_t *lengthP |
| WFKnight | 0:9b3d4731edbb | 272 | ) { |
| WFKnight | 0:9b3d4731edbb | 273 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 274 | (void)connectionHandle; |
| WFKnight | 0:9b3d4731edbb | 275 | (void)attributeHandle; |
| WFKnight | 0:9b3d4731edbb | 276 | (void)buffer; |
| WFKnight | 0:9b3d4731edbb | 277 | (void)lengthP; |
| WFKnight | 0:9b3d4731edbb | 278 | |
| WFKnight | 0:9b3d4731edbb | 279 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 280 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 281 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 282 | } |
| WFKnight | 0:9b3d4731edbb | 283 | |
| WFKnight | 0:9b3d4731edbb | 284 | /** |
| WFKnight | 0:9b3d4731edbb | 285 | * Update the value of an attribute present in the local GATT server. |
| WFKnight | 0:9b3d4731edbb | 286 | * |
| WFKnight | 0:9b3d4731edbb | 287 | * @param[in] attributeHandle Handle of the attribute to write. |
| WFKnight | 0:9b3d4731edbb | 288 | * @param[in] value A pointer to a buffer holding the new value. |
| WFKnight | 0:9b3d4731edbb | 289 | * @param[in] size Size in bytes of the new value (in bytes). |
| WFKnight | 0:9b3d4731edbb | 290 | * @param[in] localOnly If this flag is false and the attribute handle |
| WFKnight | 0:9b3d4731edbb | 291 | * written is a characteristic value, then the server sends an update |
| WFKnight | 0:9b3d4731edbb | 292 | * containing the new value to all clients that have subscribed to the |
| WFKnight | 0:9b3d4731edbb | 293 | * characteristic's notifications or indications. Otherwise, the update does |
| WFKnight | 0:9b3d4731edbb | 294 | * not generate a single server initiated event. |
| WFKnight | 0:9b3d4731edbb | 295 | * |
| WFKnight | 0:9b3d4731edbb | 296 | * @return BLE_ERROR_NONE if the attribute value has been successfully |
| WFKnight | 0:9b3d4731edbb | 297 | * updated. |
| WFKnight | 0:9b3d4731edbb | 298 | */ |
| WFKnight | 0:9b3d4731edbb | 299 | virtual ble_error_t write( |
| WFKnight | 0:9b3d4731edbb | 300 | GattAttribute::Handle_t attributeHandle, |
| WFKnight | 0:9b3d4731edbb | 301 | const uint8_t *value, |
| WFKnight | 0:9b3d4731edbb | 302 | uint16_t size, |
| WFKnight | 0:9b3d4731edbb | 303 | bool localOnly = false |
| WFKnight | 0:9b3d4731edbb | 304 | ) { |
| WFKnight | 0:9b3d4731edbb | 305 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 306 | (void)attributeHandle; |
| WFKnight | 0:9b3d4731edbb | 307 | (void)value; |
| WFKnight | 0:9b3d4731edbb | 308 | (void)size; |
| WFKnight | 0:9b3d4731edbb | 309 | (void)localOnly; |
| WFKnight | 0:9b3d4731edbb | 310 | |
| WFKnight | 0:9b3d4731edbb | 311 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 312 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 313 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 314 | } |
| WFKnight | 0:9b3d4731edbb | 315 | |
| WFKnight | 0:9b3d4731edbb | 316 | /** |
| WFKnight | 0:9b3d4731edbb | 317 | * Update the value of an attribute present in the local GATT server. |
| WFKnight | 0:9b3d4731edbb | 318 | * |
| WFKnight | 0:9b3d4731edbb | 319 | * The connection handle parameter allows application code to direct |
| WFKnight | 0:9b3d4731edbb | 320 | * notification or indication resulting from the update to a specific client. |
| WFKnight | 0:9b3d4731edbb | 321 | * |
| WFKnight | 0:9b3d4731edbb | 322 | * @param[in] connectionHandle Connection handle. |
| WFKnight | 0:9b3d4731edbb | 323 | * @param[in] attributeHandle Handle for the value attribute of the |
| WFKnight | 0:9b3d4731edbb | 324 | * characteristic. |
| WFKnight | 0:9b3d4731edbb | 325 | * @param[in] value A pointer to a buffer holding the new value. |
| WFKnight | 0:9b3d4731edbb | 326 | * @param[in] size Size of the new value (in bytes). |
| WFKnight | 0:9b3d4731edbb | 327 | * @param[in] localOnly If this flag is false and the attribute handle |
| WFKnight | 0:9b3d4731edbb | 328 | * written is a characteristic value, then the server sends an update |
| WFKnight | 0:9b3d4731edbb | 329 | * containing the new value to the client identified by the parameter |
| WFKnight | 0:9b3d4731edbb | 330 | * @p connectionHandle if it is subscribed to the characteristic's |
| WFKnight | 0:9b3d4731edbb | 331 | * notifications or indications. Otherwise, the update does not generate a |
| WFKnight | 0:9b3d4731edbb | 332 | * single server initiated event. |
| WFKnight | 0:9b3d4731edbb | 333 | * |
| WFKnight | 0:9b3d4731edbb | 334 | * @return BLE_ERROR_NONE if the attribute value has been successfully |
| WFKnight | 0:9b3d4731edbb | 335 | * updated. |
| WFKnight | 0:9b3d4731edbb | 336 | */ |
| WFKnight | 0:9b3d4731edbb | 337 | virtual ble_error_t write( |
| WFKnight | 0:9b3d4731edbb | 338 | Gap::Handle_t connectionHandle, |
| WFKnight | 0:9b3d4731edbb | 339 | GattAttribute::Handle_t attributeHandle, |
| WFKnight | 0:9b3d4731edbb | 340 | const uint8_t *value, |
| WFKnight | 0:9b3d4731edbb | 341 | uint16_t size, |
| WFKnight | 0:9b3d4731edbb | 342 | bool localOnly = false |
| WFKnight | 0:9b3d4731edbb | 343 | ) { |
| WFKnight | 0:9b3d4731edbb | 344 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 345 | (void)connectionHandle; |
| WFKnight | 0:9b3d4731edbb | 346 | (void)attributeHandle; |
| WFKnight | 0:9b3d4731edbb | 347 | (void)value; |
| WFKnight | 0:9b3d4731edbb | 348 | (void)size; |
| WFKnight | 0:9b3d4731edbb | 349 | (void)localOnly; |
| WFKnight | 0:9b3d4731edbb | 350 | |
| WFKnight | 0:9b3d4731edbb | 351 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 352 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 353 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 354 | } |
| WFKnight | 0:9b3d4731edbb | 355 | |
| WFKnight | 0:9b3d4731edbb | 356 | /** |
| WFKnight | 0:9b3d4731edbb | 357 | * Determine if one of the connected clients has subscribed to notifications |
| WFKnight | 0:9b3d4731edbb | 358 | * or indications of the characteristic in input. |
| WFKnight | 0:9b3d4731edbb | 359 | * |
| WFKnight | 0:9b3d4731edbb | 360 | * @param[in] characteristic The characteristic. |
| WFKnight | 0:9b3d4731edbb | 361 | * @param[out] enabledP Upon return, *enabledP is true if updates are |
| WFKnight | 0:9b3d4731edbb | 362 | * enabled for a connected client; otherwise, *enabledP is false. |
| WFKnight | 0:9b3d4731edbb | 363 | * |
| WFKnight | 0:9b3d4731edbb | 364 | * @return BLE_ERROR_NONE if the connection and handle are found. False |
| WFKnight | 0:9b3d4731edbb | 365 | * otherwise. |
| WFKnight | 0:9b3d4731edbb | 366 | */ |
| WFKnight | 0:9b3d4731edbb | 367 | virtual ble_error_t areUpdatesEnabled( |
| WFKnight | 0:9b3d4731edbb | 368 | const GattCharacteristic &characteristic, |
| WFKnight | 0:9b3d4731edbb | 369 | bool *enabledP |
| WFKnight | 0:9b3d4731edbb | 370 | ) { |
| WFKnight | 0:9b3d4731edbb | 371 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 372 | (void)characteristic; |
| WFKnight | 0:9b3d4731edbb | 373 | (void)enabledP; |
| WFKnight | 0:9b3d4731edbb | 374 | |
| WFKnight | 0:9b3d4731edbb | 375 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 376 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 377 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 378 | } |
| WFKnight | 0:9b3d4731edbb | 379 | |
| WFKnight | 0:9b3d4731edbb | 380 | /** |
| WFKnight | 0:9b3d4731edbb | 381 | * Determine if an identified client has subscribed to notifications or |
| WFKnight | 0:9b3d4731edbb | 382 | * indications of a given characteristic. |
| WFKnight | 0:9b3d4731edbb | 383 | * |
| WFKnight | 0:9b3d4731edbb | 384 | * @param[in] connectionHandle The connection handle. |
| WFKnight | 0:9b3d4731edbb | 385 | * @param[in] characteristic The characteristic. |
| WFKnight | 0:9b3d4731edbb | 386 | * @param[out] enabledP Upon return, *enabledP is true if the client |
| WFKnight | 0:9b3d4731edbb | 387 | * identified by @p connectionHandle has subscribed to notifications or |
| WFKnight | 0:9b3d4731edbb | 388 | * indications of @p characteristic; otherwise, *enabledP is false. |
| WFKnight | 0:9b3d4731edbb | 389 | * |
| WFKnight | 0:9b3d4731edbb | 390 | * @return BLE_ERROR_NONE if the connection and handle are found. False |
| WFKnight | 0:9b3d4731edbb | 391 | * otherwise. |
| WFKnight | 0:9b3d4731edbb | 392 | */ |
| WFKnight | 0:9b3d4731edbb | 393 | virtual ble_error_t areUpdatesEnabled( |
| WFKnight | 0:9b3d4731edbb | 394 | Gap::Handle_t connectionHandle, |
| WFKnight | 0:9b3d4731edbb | 395 | const GattCharacteristic &characteristic, |
| WFKnight | 0:9b3d4731edbb | 396 | bool *enabledP |
| WFKnight | 0:9b3d4731edbb | 397 | ) { |
| WFKnight | 0:9b3d4731edbb | 398 | /* Avoid compiler warnings about unused variables. */ |
| WFKnight | 0:9b3d4731edbb | 399 | (void)connectionHandle; |
| WFKnight | 0:9b3d4731edbb | 400 | (void)characteristic; |
| WFKnight | 0:9b3d4731edbb | 401 | (void)enabledP; |
| WFKnight | 0:9b3d4731edbb | 402 | |
| WFKnight | 0:9b3d4731edbb | 403 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 404 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 405 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 406 | } |
| WFKnight | 0:9b3d4731edbb | 407 | |
| WFKnight | 0:9b3d4731edbb | 408 | /** |
| WFKnight | 0:9b3d4731edbb | 409 | * Indicate if the underlying stack emit events when an attribute is read by |
| WFKnight | 0:9b3d4731edbb | 410 | * a client. |
| WFKnight | 0:9b3d4731edbb | 411 | * |
| WFKnight | 0:9b3d4731edbb | 412 | * @attention This function should be overridden to return true if |
| WFKnight | 0:9b3d4731edbb | 413 | * applicable. |
| WFKnight | 0:9b3d4731edbb | 414 | * |
| WFKnight | 0:9b3d4731edbb | 415 | * @return true if onDataRead is supported; false otherwise. |
| WFKnight | 0:9b3d4731edbb | 416 | */ |
| WFKnight | 0:9b3d4731edbb | 417 | virtual bool isOnDataReadAvailable() const |
| WFKnight | 0:9b3d4731edbb | 418 | { |
| WFKnight | 0:9b3d4731edbb | 419 | /* Requesting action from porters: override this API if this capability |
| WFKnight | 0:9b3d4731edbb | 420 | is supported. */ |
| WFKnight | 0:9b3d4731edbb | 421 | return false; |
| WFKnight | 0:9b3d4731edbb | 422 | } |
| WFKnight | 0:9b3d4731edbb | 423 | |
| WFKnight | 0:9b3d4731edbb | 424 | /* |
| WFKnight | 0:9b3d4731edbb | 425 | * APIs with nonvirtual implementations. |
| WFKnight | 0:9b3d4731edbb | 426 | */ |
| WFKnight | 0:9b3d4731edbb | 427 | public: |
| WFKnight | 0:9b3d4731edbb | 428 | /** |
| WFKnight | 0:9b3d4731edbb | 429 | * Add an event handler that monitors emission of characteristic value |
| WFKnight | 0:9b3d4731edbb | 430 | * updates. |
| WFKnight | 0:9b3d4731edbb | 431 | * |
| WFKnight | 0:9b3d4731edbb | 432 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 433 | * |
| WFKnight | 0:9b3d4731edbb | 434 | * @note It is possible to chain together multiple onDataSent callbacks |
| WFKnight | 0:9b3d4731edbb | 435 | * (potentially from different modules of an application). |
| WFKnight | 0:9b3d4731edbb | 436 | */ |
| WFKnight | 0:9b3d4731edbb | 437 | void onDataSent(const DataSentCallback_t &callback) |
| WFKnight | 0:9b3d4731edbb | 438 | { |
| WFKnight | 0:9b3d4731edbb | 439 | dataSentCallChain.add(callback); |
| WFKnight | 0:9b3d4731edbb | 440 | } |
| WFKnight | 0:9b3d4731edbb | 441 | |
| WFKnight | 0:9b3d4731edbb | 442 | /** |
| WFKnight | 0:9b3d4731edbb | 443 | * Add an event handler that monitors emission of characteristic value |
| WFKnight | 0:9b3d4731edbb | 444 | * updates. |
| WFKnight | 0:9b3d4731edbb | 445 | * |
| WFKnight | 0:9b3d4731edbb | 446 | * @param[in] objPtr Pointer to the instance that is used to invoke the |
| WFKnight | 0:9b3d4731edbb | 447 | * event handler. |
| WFKnight | 0:9b3d4731edbb | 448 | * @param[in] memberPtr Event handler being registered. It is a member |
| WFKnight | 0:9b3d4731edbb | 449 | * function. |
| WFKnight | 0:9b3d4731edbb | 450 | */ |
| WFKnight | 0:9b3d4731edbb | 451 | template <typename T> |
| WFKnight | 0:9b3d4731edbb | 452 | void onDataSent(T *objPtr, void (T::*memberPtr)(unsigned count)) |
| WFKnight | 0:9b3d4731edbb | 453 | { |
| WFKnight | 0:9b3d4731edbb | 454 | dataSentCallChain.add(objPtr, memberPtr); |
| WFKnight | 0:9b3d4731edbb | 455 | } |
| WFKnight | 0:9b3d4731edbb | 456 | |
| WFKnight | 0:9b3d4731edbb | 457 | /** |
| WFKnight | 0:9b3d4731edbb | 458 | * Access the callchain of data sent event handlers. |
| WFKnight | 0:9b3d4731edbb | 459 | * |
| WFKnight | 0:9b3d4731edbb | 460 | * @return A reference to the DATA_SENT event callback chain. |
| WFKnight | 0:9b3d4731edbb | 461 | */ |
| WFKnight | 0:9b3d4731edbb | 462 | DataSentCallbackChain_t &onDataSent() |
| WFKnight | 0:9b3d4731edbb | 463 | { |
| WFKnight | 0:9b3d4731edbb | 464 | return dataSentCallChain; |
| WFKnight | 0:9b3d4731edbb | 465 | } |
| WFKnight | 0:9b3d4731edbb | 466 | |
| WFKnight | 0:9b3d4731edbb | 467 | /** |
| WFKnight | 0:9b3d4731edbb | 468 | * Set an event handler that is called after |
| WFKnight | 0:9b3d4731edbb | 469 | * a connected peer has written an attribute. |
| WFKnight | 0:9b3d4731edbb | 470 | * |
| WFKnight | 0:9b3d4731edbb | 471 | * @param[in] callback The event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 472 | * |
| WFKnight | 0:9b3d4731edbb | 473 | * @attention It is possible to set multiple event handlers. Registered |
| WFKnight | 0:9b3d4731edbb | 474 | * handlers may be removed with onDataWritten().detach(callback). |
| WFKnight | 0:9b3d4731edbb | 475 | */ |
| WFKnight | 0:9b3d4731edbb | 476 | void onDataWritten(const DataWrittenCallback_t &callback) |
| WFKnight | 0:9b3d4731edbb | 477 | { |
| WFKnight | 0:9b3d4731edbb | 478 | dataWrittenCallChain.add(callback); |
| WFKnight | 0:9b3d4731edbb | 479 | } |
| WFKnight | 0:9b3d4731edbb | 480 | |
| WFKnight | 0:9b3d4731edbb | 481 | /** |
| WFKnight | 0:9b3d4731edbb | 482 | * Set an event handler that is called after |
| WFKnight | 0:9b3d4731edbb | 483 | * a connected peer has written an attribute. |
| WFKnight | 0:9b3d4731edbb | 484 | * |
| WFKnight | 0:9b3d4731edbb | 485 | * @param[in] objPtr Pointer to the instance that is used to invoke the |
| WFKnight | 0:9b3d4731edbb | 486 | * event handler (@p memberPtr). |
| WFKnight | 0:9b3d4731edbb | 487 | * @param[in] memberPtr Event handler being registered. It is a member |
| WFKnight | 0:9b3d4731edbb | 488 | * function. |
| WFKnight | 0:9b3d4731edbb | 489 | */ |
| WFKnight | 0:9b3d4731edbb | 490 | template <typename T> |
| WFKnight | 0:9b3d4731edbb | 491 | void onDataWritten( |
| WFKnight | 0:9b3d4731edbb | 492 | T *objPtr, |
| WFKnight | 0:9b3d4731edbb | 493 | void (T::*memberPtr)(const GattWriteCallbackParams *context) |
| WFKnight | 0:9b3d4731edbb | 494 | ) { |
| WFKnight | 0:9b3d4731edbb | 495 | dataWrittenCallChain.add(objPtr, memberPtr); |
| WFKnight | 0:9b3d4731edbb | 496 | } |
| WFKnight | 0:9b3d4731edbb | 497 | |
| WFKnight | 0:9b3d4731edbb | 498 | /** |
| WFKnight | 0:9b3d4731edbb | 499 | * Access the callchain of data written event handlers. |
| WFKnight | 0:9b3d4731edbb | 500 | * |
| WFKnight | 0:9b3d4731edbb | 501 | * @return A reference to the data written event callbacks chain. |
| WFKnight | 0:9b3d4731edbb | 502 | * |
| WFKnight | 0:9b3d4731edbb | 503 | * @note It is possible to register callbacks using |
| WFKnight | 0:9b3d4731edbb | 504 | * onDataWritten().add(callback). |
| WFKnight | 0:9b3d4731edbb | 505 | * |
| WFKnight | 0:9b3d4731edbb | 506 | * @note It is possible to unregister callbacks using |
| WFKnight | 0:9b3d4731edbb | 507 | * onDataWritten().detach(callback). |
| WFKnight | 0:9b3d4731edbb | 508 | */ |
| WFKnight | 0:9b3d4731edbb | 509 | DataWrittenCallbackChain_t &onDataWritten() |
| WFKnight | 0:9b3d4731edbb | 510 | { |
| WFKnight | 0:9b3d4731edbb | 511 | return dataWrittenCallChain; |
| WFKnight | 0:9b3d4731edbb | 512 | } |
| WFKnight | 0:9b3d4731edbb | 513 | |
| WFKnight | 0:9b3d4731edbb | 514 | /** |
| WFKnight | 0:9b3d4731edbb | 515 | * Set an event handler that monitors attribute reads from connected clients. |
| WFKnight | 0:9b3d4731edbb | 516 | * |
| WFKnight | 0:9b3d4731edbb | 517 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 518 | * |
| WFKnight | 0:9b3d4731edbb | 519 | * @return BLE_ERROR_NOT_IMPLEMENTED if this functionality isn't available; |
| WFKnight | 0:9b3d4731edbb | 520 | * else BLE_ERROR_NONE. |
| WFKnight | 0:9b3d4731edbb | 521 | * |
| WFKnight | 0:9b3d4731edbb | 522 | * @note This functionality may not be available on all underlying stacks. |
| WFKnight | 0:9b3d4731edbb | 523 | * Application code may work around that limitation by monitoring read |
| WFKnight | 0:9b3d4731edbb | 524 | * requests instead of read events. |
| WFKnight | 0:9b3d4731edbb | 525 | * |
| WFKnight | 0:9b3d4731edbb | 526 | * @see GattCharacteristic::setReadAuthorizationCallback() |
| WFKnight | 0:9b3d4731edbb | 527 | * @see isOnDataReadAvailable(). |
| WFKnight | 0:9b3d4731edbb | 528 | * |
| WFKnight | 0:9b3d4731edbb | 529 | * @attention It is possible to set multiple event handlers. Registered |
| WFKnight | 0:9b3d4731edbb | 530 | * handlers may be removed with onDataRead().detach(callback). |
| WFKnight | 0:9b3d4731edbb | 531 | */ |
| WFKnight | 0:9b3d4731edbb | 532 | ble_error_t onDataRead(const DataReadCallback_t &callback) |
| WFKnight | 0:9b3d4731edbb | 533 | { |
| WFKnight | 0:9b3d4731edbb | 534 | if (!isOnDataReadAvailable()) { |
| WFKnight | 0:9b3d4731edbb | 535 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 536 | } |
| WFKnight | 0:9b3d4731edbb | 537 | |
| WFKnight | 0:9b3d4731edbb | 538 | dataReadCallChain.add(callback); |
| WFKnight | 0:9b3d4731edbb | 539 | return BLE_ERROR_NONE; |
| WFKnight | 0:9b3d4731edbb | 540 | } |
| WFKnight | 0:9b3d4731edbb | 541 | |
| WFKnight | 0:9b3d4731edbb | 542 | /** |
| WFKnight | 0:9b3d4731edbb | 543 | * Set an event handler that monitors attribute reads from connected clients. |
| WFKnight | 0:9b3d4731edbb | 544 | * |
| WFKnight | 0:9b3d4731edbb | 545 | * @param[in] objPtr Pointer to the instance that is used to invoke the |
| WFKnight | 0:9b3d4731edbb | 546 | * event handler (@p memberPtr). |
| WFKnight | 0:9b3d4731edbb | 547 | * @param[in] memberPtr Event handler being registered. It is a member |
| WFKnight | 0:9b3d4731edbb | 548 | * function. |
| WFKnight | 0:9b3d4731edbb | 549 | */ |
| WFKnight | 0:9b3d4731edbb | 550 | template <typename T> |
| WFKnight | 0:9b3d4731edbb | 551 | ble_error_t onDataRead( |
| WFKnight | 0:9b3d4731edbb | 552 | T *objPtr, |
| WFKnight | 0:9b3d4731edbb | 553 | void (T::*memberPtr)(const GattReadCallbackParams *context) |
| WFKnight | 0:9b3d4731edbb | 554 | ) { |
| WFKnight | 0:9b3d4731edbb | 555 | if (!isOnDataReadAvailable()) { |
| WFKnight | 0:9b3d4731edbb | 556 | return BLE_ERROR_NOT_IMPLEMENTED; |
| WFKnight | 0:9b3d4731edbb | 557 | } |
| WFKnight | 0:9b3d4731edbb | 558 | |
| WFKnight | 0:9b3d4731edbb | 559 | dataReadCallChain.add(objPtr, memberPtr); |
| WFKnight | 0:9b3d4731edbb | 560 | return BLE_ERROR_NONE; |
| WFKnight | 0:9b3d4731edbb | 561 | } |
| WFKnight | 0:9b3d4731edbb | 562 | |
| WFKnight | 0:9b3d4731edbb | 563 | /** |
| WFKnight | 0:9b3d4731edbb | 564 | * Access the callchain of data read event handlers. |
| WFKnight | 0:9b3d4731edbb | 565 | * |
| WFKnight | 0:9b3d4731edbb | 566 | * @return A reference to the data read event callbacks chain. |
| WFKnight | 0:9b3d4731edbb | 567 | * |
| WFKnight | 0:9b3d4731edbb | 568 | * @note It is possible to register callbacks using |
| WFKnight | 0:9b3d4731edbb | 569 | * onDataRead().add(callback). |
| WFKnight | 0:9b3d4731edbb | 570 | * |
| WFKnight | 0:9b3d4731edbb | 571 | * @note It is possible to unregister callbacks using |
| WFKnight | 0:9b3d4731edbb | 572 | * onDataRead().detach(callback). |
| WFKnight | 0:9b3d4731edbb | 573 | */ |
| WFKnight | 0:9b3d4731edbb | 574 | DataReadCallbackChain_t &onDataRead() |
| WFKnight | 0:9b3d4731edbb | 575 | { |
| WFKnight | 0:9b3d4731edbb | 576 | return dataReadCallChain; |
| WFKnight | 0:9b3d4731edbb | 577 | } |
| WFKnight | 0:9b3d4731edbb | 578 | |
| WFKnight | 0:9b3d4731edbb | 579 | /** |
| WFKnight | 0:9b3d4731edbb | 580 | * Set an event handler that monitors shutdown or reset of the GattServer. |
| WFKnight | 0:9b3d4731edbb | 581 | * |
| WFKnight | 0:9b3d4731edbb | 582 | * The event handler is invoked when the GattServer instance is about |
| WFKnight | 0:9b3d4731edbb | 583 | * to be shut down. This can result in a call to reset() or BLE::reset(). |
| WFKnight | 0:9b3d4731edbb | 584 | * |
| WFKnight | 0:9b3d4731edbb | 585 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 586 | * |
| WFKnight | 0:9b3d4731edbb | 587 | * @note It is possible to set up multiple shutdown event handlers. |
| WFKnight | 0:9b3d4731edbb | 588 | * |
| WFKnight | 0:9b3d4731edbb | 589 | * @note It is possible to unregister a callback using |
| WFKnight | 0:9b3d4731edbb | 590 | * onShutdown().detach(callback) |
| WFKnight | 0:9b3d4731edbb | 591 | */ |
| WFKnight | 0:9b3d4731edbb | 592 | void onShutdown(const GattServerShutdownCallback_t &callback) |
| WFKnight | 0:9b3d4731edbb | 593 | { |
| WFKnight | 0:9b3d4731edbb | 594 | shutdownCallChain.add(callback); |
| WFKnight | 0:9b3d4731edbb | 595 | } |
| WFKnight | 0:9b3d4731edbb | 596 | |
| WFKnight | 0:9b3d4731edbb | 597 | /** |
| WFKnight | 0:9b3d4731edbb | 598 | * Set an event handler that monitors shutdown or reset of the GattServer. |
| WFKnight | 0:9b3d4731edbb | 599 | * |
| WFKnight | 0:9b3d4731edbb | 600 | * The event handler is invoked when the GattServer instance is about |
| WFKnight | 0:9b3d4731edbb | 601 | * to be shut down. This can result of a call to reset() or BLE::reset(). |
| WFKnight | 0:9b3d4731edbb | 602 | * |
| WFKnight | 0:9b3d4731edbb | 603 | * @param[in] objPtr Pointer to the instance that is used to invoke the |
| WFKnight | 0:9b3d4731edbb | 604 | * event handler (@p memberPtr). |
| WFKnight | 0:9b3d4731edbb | 605 | * @param[in] memberPtr Event handler being registered. It is a member |
| WFKnight | 0:9b3d4731edbb | 606 | * function. |
| WFKnight | 0:9b3d4731edbb | 607 | */ |
| WFKnight | 0:9b3d4731edbb | 608 | template <typename T> |
| WFKnight | 0:9b3d4731edbb | 609 | void onShutdown(T *objPtr, void (T::*memberPtr)(const GattServer *)) |
| WFKnight | 0:9b3d4731edbb | 610 | { |
| WFKnight | 0:9b3d4731edbb | 611 | shutdownCallChain.add(objPtr, memberPtr); |
| WFKnight | 0:9b3d4731edbb | 612 | } |
| WFKnight | 0:9b3d4731edbb | 613 | |
| WFKnight | 0:9b3d4731edbb | 614 | /** |
| WFKnight | 0:9b3d4731edbb | 615 | * Access the callchain of shutdown event handlers. |
| WFKnight | 0:9b3d4731edbb | 616 | * |
| WFKnight | 0:9b3d4731edbb | 617 | * @return A reference to the shutdown event callbacks chain. |
| WFKnight | 0:9b3d4731edbb | 618 | * |
| WFKnight | 0:9b3d4731edbb | 619 | * @note It is possible to register callbacks using |
| WFKnight | 0:9b3d4731edbb | 620 | * onShutdown().add(callback). |
| WFKnight | 0:9b3d4731edbb | 621 | * |
| WFKnight | 0:9b3d4731edbb | 622 | * @note It is possible to unregister callbacks using |
| WFKnight | 0:9b3d4731edbb | 623 | * onShutdown().detach(callback). |
| WFKnight | 0:9b3d4731edbb | 624 | */ |
| WFKnight | 0:9b3d4731edbb | 625 | GattServerShutdownCallbackChain_t& onShutdown() |
| WFKnight | 0:9b3d4731edbb | 626 | { |
| WFKnight | 0:9b3d4731edbb | 627 | return shutdownCallChain; |
| WFKnight | 0:9b3d4731edbb | 628 | } |
| WFKnight | 0:9b3d4731edbb | 629 | |
| WFKnight | 0:9b3d4731edbb | 630 | /** |
| WFKnight | 0:9b3d4731edbb | 631 | * Set up an event handler that monitors subscription to characteristic |
| WFKnight | 0:9b3d4731edbb | 632 | * updates. |
| WFKnight | 0:9b3d4731edbb | 633 | * |
| WFKnight | 0:9b3d4731edbb | 634 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 635 | */ |
| WFKnight | 0:9b3d4731edbb | 636 | void onUpdatesEnabled(EventCallback_t callback) |
| WFKnight | 0:9b3d4731edbb | 637 | { |
| WFKnight | 0:9b3d4731edbb | 638 | updatesEnabledCallback = callback; |
| WFKnight | 0:9b3d4731edbb | 639 | } |
| WFKnight | 0:9b3d4731edbb | 640 | |
| WFKnight | 0:9b3d4731edbb | 641 | /** |
| WFKnight | 0:9b3d4731edbb | 642 | * Set up an event handler that monitors unsubscription from characteristic |
| WFKnight | 0:9b3d4731edbb | 643 | * updates. |
| WFKnight | 0:9b3d4731edbb | 644 | * |
| WFKnight | 0:9b3d4731edbb | 645 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 646 | */ |
| WFKnight | 0:9b3d4731edbb | 647 | void onUpdatesDisabled(EventCallback_t callback) |
| WFKnight | 0:9b3d4731edbb | 648 | { |
| WFKnight | 0:9b3d4731edbb | 649 | updatesDisabledCallback = callback; |
| WFKnight | 0:9b3d4731edbb | 650 | } |
| WFKnight | 0:9b3d4731edbb | 651 | |
| WFKnight | 0:9b3d4731edbb | 652 | /** |
| WFKnight | 0:9b3d4731edbb | 653 | * Set up an event handler that monitors notification acknowledgment. |
| WFKnight | 0:9b3d4731edbb | 654 | * |
| WFKnight | 0:9b3d4731edbb | 655 | * The event handler is called when a client sends a confirmation that it has |
| WFKnight | 0:9b3d4731edbb | 656 | * correctly received a notification from the server. |
| WFKnight | 0:9b3d4731edbb | 657 | * |
| WFKnight | 0:9b3d4731edbb | 658 | * @param[in] callback Event handler being registered. |
| WFKnight | 0:9b3d4731edbb | 659 | */ |
| WFKnight | 0:9b3d4731edbb | 660 | void onConfirmationReceived(EventCallback_t callback) |
| WFKnight | 0:9b3d4731edbb | 661 | { |
| WFKnight | 0:9b3d4731edbb | 662 | confirmationReceivedCallback = callback; |
| WFKnight | 0:9b3d4731edbb | 663 | } |
| WFKnight | 0:9b3d4731edbb | 664 | |
| WFKnight | 0:9b3d4731edbb | 665 | /* Entry points for the underlying stack to report events back to the user. */ |
| WFKnight | 0:9b3d4731edbb | 666 | protected: |
| WFKnight | 0:9b3d4731edbb | 667 | /** |
| WFKnight | 0:9b3d4731edbb | 668 | * Helper function that notifies all registered handlers of an occurrence |
| WFKnight | 0:9b3d4731edbb | 669 | * of a data written event. |
| WFKnight | 0:9b3d4731edbb | 670 | * |
| WFKnight | 0:9b3d4731edbb | 671 | * @attention Vendor implementation must invoke this function after one of |
| WFKnight | 0:9b3d4731edbb | 672 | * the GattServer attributes has been written. |
| WFKnight | 0:9b3d4731edbb | 673 | * |
| WFKnight | 0:9b3d4731edbb | 674 | * @param[in] params The data written parameters passed to the registered |
| WFKnight | 0:9b3d4731edbb | 675 | * handlers. |
| WFKnight | 0:9b3d4731edbb | 676 | */ |
| WFKnight | 0:9b3d4731edbb | 677 | void handleDataWrittenEvent(const GattWriteCallbackParams *params) |
| WFKnight | 0:9b3d4731edbb | 678 | { |
| WFKnight | 0:9b3d4731edbb | 679 | dataWrittenCallChain.call(params); |
| WFKnight | 0:9b3d4731edbb | 680 | } |
| WFKnight | 0:9b3d4731edbb | 681 | |
| WFKnight | 0:9b3d4731edbb | 682 | /** |
| WFKnight | 0:9b3d4731edbb | 683 | * Helper function that notifies all registered handlers of an occurrence |
| WFKnight | 0:9b3d4731edbb | 684 | * of a data read event. |
| WFKnight | 0:9b3d4731edbb | 685 | * |
| WFKnight | 0:9b3d4731edbb | 686 | * @attention Vendor implementation must invoke this function after one of |
| WFKnight | 0:9b3d4731edbb | 687 | * the GattServer attributes has been read. |
| WFKnight | 0:9b3d4731edbb | 688 | * |
| WFKnight | 0:9b3d4731edbb | 689 | * @param[in] params The data read parameters passed to the registered |
| WFKnight | 0:9b3d4731edbb | 690 | * handlers. |
| WFKnight | 0:9b3d4731edbb | 691 | */ |
| WFKnight | 0:9b3d4731edbb | 692 | void handleDataReadEvent(const GattReadCallbackParams *params) |
| WFKnight | 0:9b3d4731edbb | 693 | { |
| WFKnight | 0:9b3d4731edbb | 694 | dataReadCallChain.call(params); |
| WFKnight | 0:9b3d4731edbb | 695 | } |
| WFKnight | 0:9b3d4731edbb | 696 | |
| WFKnight | 0:9b3d4731edbb | 697 | /** |
| WFKnight | 0:9b3d4731edbb | 698 | * Helper function that notifies the registered handler of an occurrence |
| WFKnight | 0:9b3d4731edbb | 699 | * of updates enabled, updates disabled or confirmation received events. |
| WFKnight | 0:9b3d4731edbb | 700 | * |
| WFKnight | 0:9b3d4731edbb | 701 | * @attention Vendor implementation must invoke this function when a client |
| WFKnight | 0:9b3d4731edbb | 702 | * subscribes to characteristic updates, unsubscribes from characteristic |
| WFKnight | 0:9b3d4731edbb | 703 | * updates or a notification confirmation has been received. |
| WFKnight | 0:9b3d4731edbb | 704 | * |
| WFKnight | 0:9b3d4731edbb | 705 | * @param[in] type The type of event that occurred. |
| WFKnight | 0:9b3d4731edbb | 706 | * @param[in] attributeHandle The handle of the attribute concerned by the |
| WFKnight | 0:9b3d4731edbb | 707 | * event. |
| WFKnight | 0:9b3d4731edbb | 708 | */ |
| WFKnight | 0:9b3d4731edbb | 709 | void handleEvent( |
| WFKnight | 0:9b3d4731edbb | 710 | GattServerEvents::gattEvent_e type, |
| WFKnight | 0:9b3d4731edbb | 711 | GattAttribute::Handle_t attributeHandle |
| WFKnight | 0:9b3d4731edbb | 712 | ) { |
| WFKnight | 0:9b3d4731edbb | 713 | switch (type) { |
| WFKnight | 0:9b3d4731edbb | 714 | case GattServerEvents::GATT_EVENT_UPDATES_ENABLED: |
| WFKnight | 0:9b3d4731edbb | 715 | if (updatesEnabledCallback) { |
| WFKnight | 0:9b3d4731edbb | 716 | updatesEnabledCallback(attributeHandle); |
| WFKnight | 0:9b3d4731edbb | 717 | } |
| WFKnight | 0:9b3d4731edbb | 718 | break; |
| WFKnight | 0:9b3d4731edbb | 719 | case GattServerEvents::GATT_EVENT_UPDATES_DISABLED: |
| WFKnight | 0:9b3d4731edbb | 720 | if (updatesDisabledCallback) { |
| WFKnight | 0:9b3d4731edbb | 721 | updatesDisabledCallback(attributeHandle); |
| WFKnight | 0:9b3d4731edbb | 722 | } |
| WFKnight | 0:9b3d4731edbb | 723 | break; |
| WFKnight | 0:9b3d4731edbb | 724 | case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED: |
| WFKnight | 0:9b3d4731edbb | 725 | if (confirmationReceivedCallback) { |
| WFKnight | 0:9b3d4731edbb | 726 | confirmationReceivedCallback(attributeHandle); |
| WFKnight | 0:9b3d4731edbb | 727 | } |
| WFKnight | 0:9b3d4731edbb | 728 | break; |
| WFKnight | 0:9b3d4731edbb | 729 | default: |
| WFKnight | 0:9b3d4731edbb | 730 | break; |
| WFKnight | 0:9b3d4731edbb | 731 | } |
| WFKnight | 0:9b3d4731edbb | 732 | } |
| WFKnight | 0:9b3d4731edbb | 733 | |
| WFKnight | 0:9b3d4731edbb | 734 | /** |
| WFKnight | 0:9b3d4731edbb | 735 | * Helper function that notifies all registered handlers of an occurrence |
| WFKnight | 0:9b3d4731edbb | 736 | * of a data sent event. |
| WFKnight | 0:9b3d4731edbb | 737 | * |
| WFKnight | 0:9b3d4731edbb | 738 | * @attention Vendor implementation must invoke this function after the |
| WFKnight | 0:9b3d4731edbb | 739 | * emission of a notification or an indication. |
| WFKnight | 0:9b3d4731edbb | 740 | * |
| WFKnight | 0:9b3d4731edbb | 741 | * @param[in] count Number of packets sent. |
| WFKnight | 0:9b3d4731edbb | 742 | */ |
| WFKnight | 0:9b3d4731edbb | 743 | void handleDataSentEvent(unsigned count) |
| WFKnight | 0:9b3d4731edbb | 744 | { |
| WFKnight | 0:9b3d4731edbb | 745 | dataSentCallChain.call(count); |
| WFKnight | 0:9b3d4731edbb | 746 | } |
| WFKnight | 0:9b3d4731edbb | 747 | |
| WFKnight | 0:9b3d4731edbb | 748 | public: |
| WFKnight | 0:9b3d4731edbb | 749 | /** |
| WFKnight | 0:9b3d4731edbb | 750 | * Shut down the GattServer instance. |
| WFKnight | 0:9b3d4731edbb | 751 | * |
| WFKnight | 0:9b3d4731edbb | 752 | * This function notifies all event handlers listening for shutdown events |
| WFKnight | 0:9b3d4731edbb | 753 | * that the GattServer is about to be shut down; then it clears all |
| WFKnight | 0:9b3d4731edbb | 754 | * GattServer state. |
| WFKnight | 0:9b3d4731edbb | 755 | * |
| WFKnight | 0:9b3d4731edbb | 756 | * @note This function is meant to be overridden in the platform-specific |
| WFKnight | 0:9b3d4731edbb | 757 | * subclass. Overides must call the parent function before any cleanup. |
| WFKnight | 0:9b3d4731edbb | 758 | * |
| WFKnight | 0:9b3d4731edbb | 759 | * @return BLE_ERROR_NONE on success. |
| WFKnight | 0:9b3d4731edbb | 760 | */ |
| WFKnight | 0:9b3d4731edbb | 761 | virtual ble_error_t reset(void) |
| WFKnight | 0:9b3d4731edbb | 762 | { |
| WFKnight | 0:9b3d4731edbb | 763 | /* Notify that the instance is about to shutdown */ |
| WFKnight | 0:9b3d4731edbb | 764 | shutdownCallChain.call(this); |
| WFKnight | 0:9b3d4731edbb | 765 | shutdownCallChain.clear(); |
| WFKnight | 0:9b3d4731edbb | 766 | |
| WFKnight | 0:9b3d4731edbb | 767 | serviceCount = 0; |
| WFKnight | 0:9b3d4731edbb | 768 | characteristicCount = 0; |
| WFKnight | 0:9b3d4731edbb | 769 | |
| WFKnight | 0:9b3d4731edbb | 770 | dataSentCallChain.clear(); |
| WFKnight | 0:9b3d4731edbb | 771 | dataWrittenCallChain.clear(); |
| WFKnight | 0:9b3d4731edbb | 772 | dataReadCallChain.clear(); |
| WFKnight | 0:9b3d4731edbb | 773 | updatesEnabledCallback = NULL; |
| WFKnight | 0:9b3d4731edbb | 774 | updatesDisabledCallback = NULL; |
| WFKnight | 0:9b3d4731edbb | 775 | confirmationReceivedCallback = NULL; |
| WFKnight | 0:9b3d4731edbb | 776 | |
| WFKnight | 0:9b3d4731edbb | 777 | return BLE_ERROR_NONE; |
| WFKnight | 0:9b3d4731edbb | 778 | } |
| WFKnight | 0:9b3d4731edbb | 779 | |
| WFKnight | 0:9b3d4731edbb | 780 | protected: |
| WFKnight | 0:9b3d4731edbb | 781 | /** |
| WFKnight | 0:9b3d4731edbb | 782 | * The total number of services added to the ATT table. |
| WFKnight | 0:9b3d4731edbb | 783 | */ |
| WFKnight | 0:9b3d4731edbb | 784 | uint8_t serviceCount; |
| WFKnight | 0:9b3d4731edbb | 785 | |
| WFKnight | 0:9b3d4731edbb | 786 | /** |
| WFKnight | 0:9b3d4731edbb | 787 | * The total number of characteristics added to the ATT table. |
| WFKnight | 0:9b3d4731edbb | 788 | */ |
| WFKnight | 0:9b3d4731edbb | 789 | uint8_t characteristicCount; |
| WFKnight | 0:9b3d4731edbb | 790 | |
| WFKnight | 0:9b3d4731edbb | 791 | private: |
| WFKnight | 0:9b3d4731edbb | 792 | /** |
| WFKnight | 0:9b3d4731edbb | 793 | * Callchain containing all registered callback handlers for data sent |
| WFKnight | 0:9b3d4731edbb | 794 | * events. |
| WFKnight | 0:9b3d4731edbb | 795 | */ |
| WFKnight | 0:9b3d4731edbb | 796 | DataSentCallbackChain_t dataSentCallChain; |
| WFKnight | 0:9b3d4731edbb | 797 | |
| WFKnight | 0:9b3d4731edbb | 798 | /** |
| WFKnight | 0:9b3d4731edbb | 799 | * Callchain containing all registered callback handlers for data written |
| WFKnight | 0:9b3d4731edbb | 800 | * events. |
| WFKnight | 0:9b3d4731edbb | 801 | */ |
| WFKnight | 0:9b3d4731edbb | 802 | DataWrittenCallbackChain_t dataWrittenCallChain; |
| WFKnight | 0:9b3d4731edbb | 803 | |
| WFKnight | 0:9b3d4731edbb | 804 | /** |
| WFKnight | 0:9b3d4731edbb | 805 | * Callchain containing all registered callback handlers for data read |
| WFKnight | 0:9b3d4731edbb | 806 | * events. |
| WFKnight | 0:9b3d4731edbb | 807 | */ |
| WFKnight | 0:9b3d4731edbb | 808 | DataReadCallbackChain_t dataReadCallChain; |
| WFKnight | 0:9b3d4731edbb | 809 | |
| WFKnight | 0:9b3d4731edbb | 810 | /** |
| WFKnight | 0:9b3d4731edbb | 811 | * Callchain containing all registered callback handlers for shutdown |
| WFKnight | 0:9b3d4731edbb | 812 | * events. |
| WFKnight | 0:9b3d4731edbb | 813 | */ |
| WFKnight | 0:9b3d4731edbb | 814 | GattServerShutdownCallbackChain_t shutdownCallChain; |
| WFKnight | 0:9b3d4731edbb | 815 | |
| WFKnight | 0:9b3d4731edbb | 816 | /** |
| WFKnight | 0:9b3d4731edbb | 817 | * The registered callback handler for updates enabled events. |
| WFKnight | 0:9b3d4731edbb | 818 | */ |
| WFKnight | 0:9b3d4731edbb | 819 | EventCallback_t updatesEnabledCallback; |
| WFKnight | 0:9b3d4731edbb | 820 | |
| WFKnight | 0:9b3d4731edbb | 821 | /** |
| WFKnight | 0:9b3d4731edbb | 822 | * The registered callback handler for updates disabled events. |
| WFKnight | 0:9b3d4731edbb | 823 | */ |
| WFKnight | 0:9b3d4731edbb | 824 | EventCallback_t updatesDisabledCallback; |
| WFKnight | 0:9b3d4731edbb | 825 | |
| WFKnight | 0:9b3d4731edbb | 826 | /** |
| WFKnight | 0:9b3d4731edbb | 827 | * The registered callback handler for confirmation received events. |
| WFKnight | 0:9b3d4731edbb | 828 | */ |
| WFKnight | 0:9b3d4731edbb | 829 | EventCallback_t confirmationReceivedCallback; |
| WFKnight | 0:9b3d4731edbb | 830 | |
| WFKnight | 0:9b3d4731edbb | 831 | private: |
| WFKnight | 0:9b3d4731edbb | 832 | /* Disallow copy and assignment. */ |
| WFKnight | 0:9b3d4731edbb | 833 | GattServer(const GattServer &); |
| WFKnight | 0:9b3d4731edbb | 834 | GattServer& operator=(const GattServer &); |
| WFKnight | 0:9b3d4731edbb | 835 | }; |
| WFKnight | 0:9b3d4731edbb | 836 | |
| WFKnight | 0:9b3d4731edbb | 837 | /** |
| WFKnight | 0:9b3d4731edbb | 838 | * @} |
| WFKnight | 0:9b3d4731edbb | 839 | * @} |
| WFKnight | 0:9b3d4731edbb | 840 | * @} |
| WFKnight | 0:9b3d4731edbb | 841 | */ |
| WFKnight | 0:9b3d4731edbb | 842 | |
| WFKnight | 0:9b3d4731edbb | 843 | #endif /* ifndef MBED_GATT_SERVER_H__ */ |