ble_gattc.h

00001 /*
00002  * Copyright (c) Nordic Semiconductor ASA
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00004  *
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00006  * are permitted provided that the following conditions are met:
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00019  *
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00032 
00033 /**
00034   @addtogroup BLE_GATTC Generic Attribute Profile (GATT) Client
00035   @{
00036   @brief  Definitions and prototypes for the GATT Client interface.
00037  */
00038 
00039 #ifndef BLE_GATTC_H__
00040 #define BLE_GATTC_H__
00041 
00042 #include "ble_gatt.h"
00043 #include "ble_types.h"
00044 #include "ble_ranges.h"
00045 #include "nrf_svc.h"
00046 
00047 /** @addtogroup BLE_GATTC_ENUMERATIONS Enumerations
00048  * @{ */
00049 
00050 /**@brief GATTC API SVC numbers. */
00051 enum BLE_GATTC_SVCS
00052 {
00053   SD_BLE_GATTC_PRIMARY_SERVICES_DISCOVER = BLE_GATTC_SVC_BASE, /**< Primary Service Discovery. */
00054   SD_BLE_GATTC_RELATIONSHIPS_DISCOVER,                         /**< Relationship Discovery. */
00055   SD_BLE_GATTC_CHARACTERISTICS_DISCOVER,                       /**< Characteristic Discovery. */
00056   SD_BLE_GATTC_DESCRIPTORS_DISCOVER,                           /**< Characteristic Descriptor Discovery. */
00057   SD_BLE_GATTC_CHAR_VALUE_BY_UUID_READ,                        /**< Read Characteristic Value by UUID. */
00058   SD_BLE_GATTC_READ,                                           /**< Generic read. */
00059   SD_BLE_GATTC_CHAR_VALUES_READ,                               /**< Read multiple Characteristic Values. */
00060   SD_BLE_GATTC_WRITE,                                          /**< Generic write. */
00061   SD_BLE_GATTC_HV_CONFIRM                                      /**< Handle Value Confirmation. */
00062 };
00063 
00064 /**
00065  * @brief GATT Client Event IDs.
00066  */
00067 enum BLE_GATTC_EVTS
00068 {
00069   BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP = BLE_GATTC_EVT_BASE,  /**< Primary Service Discovery Response event. @ref ble_gattc_evt_prim_srvc_disc_rsp_t */
00070   BLE_GATTC_EVT_REL_DISC_RSP,                             /**< Relationship Discovery Response event. @ref ble_gattc_evt_rel_disc_rsp_t */
00071   BLE_GATTC_EVT_CHAR_DISC_RSP,                            /**< Characteristic Discovery Response event. @ref ble_gattc_evt_char_disc_rsp_t */
00072   BLE_GATTC_EVT_DESC_DISC_RSP,                            /**< Descriptor Discovery Response event. @ref ble_gattc_evt_desc_disc_rsp_t */
00073   BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP,                /**< Read By UUID Response event. @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t */
00074   BLE_GATTC_EVT_READ_RSP,                                 /**< Read Response event. @ref ble_gattc_evt_read_rsp_t */
00075   BLE_GATTC_EVT_CHAR_VALS_READ_RSP,                       /**< Read multiple Response event. @ref ble_gattc_evt_char_vals_read_rsp_t */
00076   BLE_GATTC_EVT_WRITE_RSP,                                /**< Write Response event. @ref ble_gattc_evt_write_rsp_t */
00077   BLE_GATTC_EVT_HVX,                                      /**< Handle Value Notification or Indication event. @ref ble_gattc_evt_hvx_t */
00078   BLE_GATTC_EVT_TIMEOUT                                   /**< Timeout event. @ref ble_gattc_evt_timeout_t */
00079 };
00080 
00081 /** @} */
00082 
00083 /** @addtogroup BLE_GATTC_DEFINES Defines
00084  * @{ */
00085 
00086 /** @defgroup BLE_ERRORS_GATTC SVC return values specific to GATTC
00087  * @{ */
00088 #define BLE_ERROR_GATTC_PROC_NOT_PERMITTED    (NRF_GATTC_ERR_BASE + 0x000) /**< Procedure not Permitted. */
00089 /** @} */
00090 
00091 /**@brief Last Attribute Handle. */
00092 #define BLE_GATTC_HANDLE_END                0xFFFF
00093 
00094 /** @} */
00095 
00096 /** @addtogroup BLE_GATTC_STRUCTURES Structures
00097  * @{ */
00098 
00099 /**@brief Operation Handle Range. */
00100 typedef struct
00101 {
00102   uint16_t          start_handle; /**< Start Handle. */
00103   uint16_t          end_handle;   /**< End Handle. */
00104 } ble_gattc_handle_range_t;
00105 
00106 
00107 /**@brief GATT service. */
00108 typedef struct
00109 {
00110   ble_uuid_t               uuid;          /**< Service UUID. */
00111   ble_gattc_handle_range_t handle_range;  /**< Service Handle Range. */
00112 } ble_gattc_service_t;
00113 
00114 
00115 /**@brief  GATT include. */
00116 typedef struct
00117 {
00118   uint16_t            handle;           /**< Include Handle. */
00119   ble_gattc_service_t included_srvc;    /**< Handle of the included service. */
00120 } ble_gattc_include_t;
00121 
00122 
00123 /**@brief GATT characteristic. */
00124 typedef struct
00125 {
00126   ble_uuid_t              uuid;                 /**< Characteristic UUID. */
00127   ble_gatt_char_props_t   char_props;           /**< Characteristic Properties. */
00128   uint8_t                 char_ext_props : 1;   /**< Extended properties present. */
00129   uint16_t                handle_decl;          /**< Handle of the Characteristic Declaration. */
00130   uint16_t                handle_value;         /**< Handle of the Characteristic Value. */
00131 } ble_gattc_char_t;
00132 
00133 
00134 /**@brief GATT descriptor. */
00135 typedef struct
00136 {
00137   uint16_t          handle;         /**< Descriptor Handle. */
00138   ble_uuid_t        uuid;           /**< Descriptor UUID. */
00139 } ble_gattc_desc_t;
00140 
00141 
00142 /**@brief Write Parameters. */
00143 typedef struct
00144 {
00145   uint8_t    write_op;                 /**< Write Operation to be performed, see @ref BLE_GATT_WRITE_OPS. */
00146   uint8_t    flags;                    /**< Flags, see @ref BLE_GATT_EXEC_WRITE_FLAGS. */
00147   uint16_t   handle;                   /**< Handle to the attribute to be written. */
00148   uint16_t   offset;                   /**< Offset in bytes. @note For WRITE_CMD and WRITE_REQ, offset must be 0. */
00149   uint16_t   len;                      /**< Length of data in bytes. */
00150   uint8_t   *p_value;                  /**< Pointer to the value data. */
00151 } ble_gattc_write_params_t;
00152 
00153 /**@brief Event structure for @ref BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP. */
00154 typedef struct
00155 {
00156   uint16_t             count;           /**< Service count. */
00157   ble_gattc_service_t services[1];      /**< Service data, variable length. */
00158 } ble_gattc_evt_prim_srvc_disc_rsp_t;
00159 
00160 /**@brief Event structure for @ref BLE_GATTC_EVT_REL_DISC_RSP. */
00161 typedef struct
00162 {
00163   uint16_t             count;           /**< Include count. */
00164   ble_gattc_include_t includes[1];      /**< Include data, variable length. */
00165 } ble_gattc_evt_rel_disc_rsp_t;
00166 
00167 /**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_DISC_RSP. */
00168 typedef struct
00169 {
00170   uint16_t            count;          /**< Characteristic count. */
00171   ble_gattc_char_t    chars[1];       /**< Characteristic data, variable length. */
00172 } ble_gattc_evt_char_disc_rsp_t;
00173 
00174 /**@brief Event structure for @ref BLE_GATTC_EVT_DESC_DISC_RSP. */
00175 typedef struct
00176 {
00177   uint16_t            count;          /**< Descriptor count. */
00178   ble_gattc_desc_t    descs[1];       /**< Descriptor data, variable length. */
00179 } ble_gattc_evt_desc_disc_rsp_t;
00180 
00181 /**@brief GATT read by UUID handle value pair. */
00182 typedef struct 
00183 {
00184   uint16_t            handle;          /**< Attribute Handle. */
00185   uint8_t             *p_value;        /**< Pointer to value, variable length (length available as value_len in @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t). 
00186                                             Please note that this pointer is absolute to the memory provided by the user when retrieving the event,
00187                                             so it will effectively point to a location inside the handle_value array. */
00188 } ble_gattc_handle_value_t;
00189 
00190 /**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP. */
00191 typedef struct
00192 {
00193   uint16_t                  count;            /**< Handle-Value Pair Count. */
00194   uint16_t                  value_len;        /**< Length of the value in Handle-Value(s) list. */
00195   ble_gattc_handle_value_t  handle_value[1];  /**< Handle-Value(s) list, variable length. */
00196 } ble_gattc_evt_char_val_by_uuid_read_rsp_t;
00197 
00198 /**@brief Event structure for @ref BLE_GATTC_EVT_READ_RSP. */
00199 typedef struct
00200 {
00201   uint16_t            handle;         /**< Attribute Handle. */
00202   uint16_t            offset;         /**< Offset of the attribute data. */
00203   uint16_t            len;            /**< Attribute data length. */
00204   uint8_t             data[1];        /**< Attribute data, variable length. */
00205 } ble_gattc_evt_read_rsp_t;
00206 
00207 /**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_VALS_READ_RSP. */
00208 typedef struct
00209 {
00210   uint16_t            len;            /**< Concatenated Attribute values length. */
00211   uint8_t             values[1];      /**< Attribute values, variable length. */
00212 } ble_gattc_evt_char_vals_read_rsp_t;
00213 
00214 /**@brief Event structure for @ref BLE_GATTC_EVT_WRITE_RSP. */
00215 typedef struct
00216 {
00217   uint16_t            handle;           /**< Attribute Handle. */
00218   uint8_t             write_op;         /**< Type of write operation, see @ref BLE_GATT_WRITE_OPS. */
00219   uint16_t            offset;           /**< Data offset. */
00220   uint16_t            len;              /**< Data length. */
00221   uint8_t             data[1];          /**< Data, variable length. */
00222 } ble_gattc_evt_write_rsp_t;
00223 
00224 /**@brief Event structure for @ref BLE_GATTC_EVT_HVX. */
00225 typedef struct
00226 {
00227   uint16_t            handle;         /**< Handle to which the HVx operation applies. */
00228   uint8_t             type;           /**< Indication or Notification, see @ref BLE_GATT_HVX_TYPES. */
00229   uint16_t            len;            /**< Attribute data length. */
00230   uint8_t             data[1];        /**< Attribute data, variable length. */
00231 } ble_gattc_evt_hvx_t;
00232 
00233 /**@brief Event structure for @ref BLE_GATTC_EVT_TIMEOUT. */
00234 typedef struct
00235 {
00236   uint8_t          src;                       /**< Timeout source, see @ref BLE_GATT_TIMEOUT_SOURCES. */
00237 } ble_gattc_evt_timeout_t;
00238 
00239 /**@brief GATTC event structure. */
00240 typedef struct
00241 {
00242   uint16_t            conn_handle;                /**< Connection Handle on which event occured. */
00243   uint16_t            gatt_status;                /**< GATT status code for the operation, see @ref BLE_GATT_STATUS_CODES. */
00244   uint16_t            error_handle;               /**< In case of error: The handle causing the error. In all other cases @ref BLE_GATT_HANDLE_INVALID. */
00245   union
00246   {
00247     ble_gattc_evt_prim_srvc_disc_rsp_t          prim_srvc_disc_rsp;         /**< Primary Service Discovery Response Event Parameters. */
00248     ble_gattc_evt_rel_disc_rsp_t                rel_disc_rsp;               /**< Relationship Discovery Response Event Parameters. */
00249     ble_gattc_evt_char_disc_rsp_t               char_disc_rsp;              /**< Characteristic Discovery Response Event Parameters. */
00250     ble_gattc_evt_desc_disc_rsp_t               desc_disc_rsp;              /**< Descriptor Discovery Response Event Parameters. */
00251     ble_gattc_evt_char_val_by_uuid_read_rsp_t   char_val_by_uuid_read_rsp;  /**< Characteristic Value Read by UUID Response Event Parameters. */
00252     ble_gattc_evt_read_rsp_t                    read_rsp;                   /**< Read Response Event Parameters. */
00253     ble_gattc_evt_char_vals_read_rsp_t          char_vals_read_rsp;         /**< Characteristic Values Read Response Event Parameters. */
00254     ble_gattc_evt_write_rsp_t                   write_rsp;                  /**< Write Response Event Parameters. */
00255     ble_gattc_evt_hvx_t                         hvx;                        /**< Handle Value Notification/Indication Event Parameters. */
00256     ble_gattc_evt_timeout_t                     timeout;                    /**< Timeout Event Parameters. */
00257   } params;                                                                 /**< Event Parameters. @note Only valid if @ref gatt_status == @ref BLE_GATT_STATUS_SUCCESS. */
00258 } ble_gattc_evt_t;
00259 /** @} */
00260 
00261 /** @addtogroup BLE_GATTC_FUNCTIONS Functions
00262  * @{ */
00263 
00264 /**@brief Initiate or continue a GATT Primary Service Discovery procedure.
00265  *
00266  * @details This function initiates or resumes a Primary Service discovery procedure, starting from the supplied handle. 
00267  *          If the last service has not been reached, this function must be called again with an updated start handle value to continue the search.
00268  *
00269  * @note If any of the discovered services have 128-bit UUIDs which are not present in the table provided to ble_vs_uuids_assign, a UUID structure with
00270  *       type @ref BLE_UUID_TYPE_UNKNOWN will be received in the corresponding event.
00271  *
00272  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00273  * @param[in] start_handle Handle to start searching from.
00274  * @param[in] p_srvc_uuid Pointer to the service UUID to be found. If it is NULL, all primary services will be returned.
00275  *
00276  * @retval ::NRF_SUCCESS Successfully started or resumed the Primary Service Discovery procedure.
00277  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00278  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00279  * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
00280  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00281  */
00282 SVCALL(SD_BLE_GATTC_PRIMARY_SERVICES_DISCOVER, uint32_t, sd_ble_gattc_primary_services_discover(uint16_t conn_handle, uint16_t start_handle, ble_uuid_t const *p_srvc_uuid));
00283 
00284 
00285 /**@brief Initiate or continue a GATT Relationship Discovery procedure.
00286  *
00287  * @details This function initiates or resumes the Find Included Services sub-procedure. If the last included service has not been reached,
00288  *          this must be called again with an updated handle range to continue the search.
00289  *
00290  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00291  * @param[in] p_handle_range A pointer to the range of handles of the Service to perform this procedure on.
00292  *
00293  * @retval ::NRF_SUCCESS Successfully started or resumed the Relationship Discovery procedure.
00294  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00295  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00296  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00297  * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
00298  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00299  */
00300 SVCALL(SD_BLE_GATTC_RELATIONSHIPS_DISCOVER, uint32_t, sd_ble_gattc_relationships_discover(uint16_t conn_handle, ble_gattc_handle_range_t const *p_handle_range));
00301 
00302 
00303 /**@brief Initiate or continue a GATT Characteristic Discovery procedure.
00304  *
00305  * @details This function initiates or resumes a Characteristic discovery procedure. If the last Characteristic has not been reached,
00306  *          this must be called again with an updated handle range to continue the discovery.
00307  *
00308  * @note If any of the discovered characteristics have 128-bit UUIDs which are not present in the table provided to ble_vs_uuids_assign, a UUID structure with
00309  *       type @ref BLE_UUID_TYPE_UNKNOWN will be received in the corresponding event.
00310  *
00311  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00312  * @param[in] p_handle_range A pointer to the range of handles of the Service to perform this procedure on.
00313  *
00314  * @retval ::NRF_SUCCESS Successfully started or resumed the Characteristic Discovery procedure.
00315  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00316  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00317  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00318  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00319  */
00320 SVCALL(SD_BLE_GATTC_CHARACTERISTICS_DISCOVER, uint32_t, sd_ble_gattc_characteristics_discover(uint16_t conn_handle, ble_gattc_handle_range_t const *p_handle_range));
00321 
00322 
00323 /**@brief Initiate or continue a GATT Characteristic Descriptor Discovery procedure.
00324  *
00325  * @details This function initiates or resumes a Characteristic Descriptor discovery procedure. If the last Descriptor has not been reached,
00326  *          this must be called again with an updated handle range to continue the discovery.
00327  *
00328  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00329  * @param[in] p_handle_range A pointer to the range of handles of the Characteristic to perform this procedure on.
00330  *
00331  * @retval ::NRF_SUCCESS Successfully started or resumed the Descriptor Discovery procedure.
00332  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00333  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00334  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00335  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00336  */
00337 SVCALL(SD_BLE_GATTC_DESCRIPTORS_DISCOVER, uint32_t, sd_ble_gattc_descriptors_discover(uint16_t conn_handle, ble_gattc_handle_range_t const *p_handle_range));
00338 
00339 
00340 /**@brief Initiate or continue a GATT Read using Characteristic UUID procedure.
00341  *
00342  * @details This function initiates or resumes a Read using Characteristic UUID procedure. If the last Characteristic has not been reached,
00343  *          this must be called again with an updated handle range to continue the discovery.
00344  *
00345  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00346  * @param[in] p_uuid Pointer to a Characteristic value UUID to read.
00347  * @param[in] p_handle_range A pointer to the range of handles to perform this procedure on.
00348  *
00349  * @retval ::NRF_SUCCESS Successfully started or resumed the Read using Characteristic UUID procedure.
00350  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00351  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00352  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00353  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00354  */
00355 SVCALL(SD_BLE_GATTC_CHAR_VALUE_BY_UUID_READ, uint32_t, sd_ble_gattc_char_value_by_uuid_read(uint16_t conn_handle, ble_uuid_t const *p_uuid, ble_gattc_handle_range_t const *p_handle_range));
00356 
00357 
00358 /**@brief Initiate or continue a GATT Read (Long) Characteristic or Descriptor procedure.
00359  *
00360  * @details This function initiates or resumes a GATT Read (Long) Characteristic or Descriptor procedure. If the Characteristic or Descriptor
00361  *          to be read is longer than ATT_MTU - 1, this function must be called multiple times with appropriate offset to read the 
00362  *          complete value.
00363  *
00364  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00365  * @param[in] handle The handle of the attribute to be read.
00366  * @param[in] offset Offset into the attribute value to be read.
00367  *
00368  * @retval ::NRF_SUCCESS Successfully started or resumed the Read (Long) procedure.
00369  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00370  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00371  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00372  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00373  */
00374 SVCALL(SD_BLE_GATTC_READ, uint32_t, sd_ble_gattc_read(uint16_t conn_handle, uint16_t handle, uint16_t offset));
00375 
00376 
00377 /**@brief Initiate a GATT Read Multiple Characteristic Values procedure.
00378  *
00379  * @details This function initiates a GATT Read Multiple Characteristic Values procedure. 
00380  *
00381  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00382  * @param[in] p_handles A pointer to the handle(s) of the attribute(s) to be read.
00383  * @param[in] handle_count The number of handles in p_handles.
00384  *
00385  * @retval ::NRF_SUCCESS Successfully started the Read Multiple Characteristic Values procedure.
00386  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00387  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00388  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00389  * @retval ::NRF_ERROR_BUSY Client procedure already in progress.
00390  */
00391 SVCALL(SD_BLE_GATTC_CHAR_VALUES_READ, uint32_t, sd_ble_gattc_char_values_read(uint16_t conn_handle, uint16_t const *p_handles, uint16_t handle_count));
00392 
00393 
00394 /**@brief Perform a Write (Characteristic Value or Descriptor, with or without response, signed or not, long or reliable) procedure.
00395  *
00396  * @details This function can perform all write procedures described in GATT. 
00397  *
00398  * @note    It is important to note that a write without response will <b>consume an application buffer</b>, and will therefore 
00399  *          generate a @ref BLE_EVT_TX_COMPLETE event when the packet has been transmitted. A write (with response) on the other hand will use the 
00400  *          standard client internal buffer and thus will only generate a @ref BLE_GATTC_EVT_WRITE_RSP event as soon as the write response 
00401  *          has been received from the peer. Please see the documentation of @ref sd_ble_tx_buffer_count_get for more details.
00402  *
00403  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00404  * @param[in] p_write_params A pointer to a write parameters structure.
00405  *
00406  * @retval ::NRF_SUCCESS Successfully started the Write procedure.
00407  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00408  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State.
00409  * @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied.
00410  * @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied.
00411  * @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied.
00412  * @retval ::NRF_ERROR_BUSY Procedure already in progress.
00413  * @retval ::BLE_ERROR_NO_TX_BUFFERS There are no available buffers left.
00414  */
00415 SVCALL(SD_BLE_GATTC_WRITE, uint32_t, sd_ble_gattc_write(uint16_t conn_handle, ble_gattc_write_params_t const *p_write_params));
00416 
00417 
00418 /**@brief Send a Handle Value Confirmation to the GATT Server.
00419  *
00420  * @param[in] conn_handle The connection handle identifying the connection to perform this procedure on.
00421  * @param[in] handle The handle of the attribute in the indication.
00422  *
00423  * @retval ::NRF_SUCCESS Successfully queued the Handle Value Confirmation for transmission.
00424  * @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle.
00425  * @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State or no Indication pending to be confirmed.
00426  * @retval ::BLE_ERROR_INVALID_ATTR_HANDLE Invalid attribute handle.
00427  */
00428 SVCALL(SD_BLE_GATTC_HV_CONFIRM, uint32_t, sd_ble_gattc_hv_confirm(uint16_t conn_handle, uint16_t handle));
00429 
00430 /** @} */
00431 
00432 #endif /* BLE_GATTC_H__ */
00433 
00434 /**
00435   @}
00436   @}
00437 */