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/** | |
@addtogroup BLE_GATTC Generic Attribute Profile (GATT) Client | |
@{ | |
@brief Definitions and prototypes for the GATT Client interface. | |
*/ | |
#ifndef BLE_GATTC_H__ | |
#define BLE_GATTC_H__ | |
#include "ble_gatt.h" | |
#include "ble_types.h" | |
#include "ble_ranges.h" | |
#include "nrf_svc.h" | |
#include "nrf_error.h" | |
#include "nrf.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/** @addtogroup BLE_GATTC_ENUMERATIONS Enumerations | |
* @{ */ | |
/**@brief GATTC API SVC numbers. */ | |
enum BLE_GATTC_SVCS | |
{ | |
SD_BLE_GATTC_PRIMARY_SERVICES_DISCOVER = BLE_GATTC_SVC_BASE, /**< Primary Service Discovery. */ | |
SD_BLE_GATTC_RELATIONSHIPS_DISCOVER, /**< Relationship Discovery. */ | |
SD_BLE_GATTC_CHARACTERISTICS_DISCOVER, /**< Characteristic Discovery. */ | |
SD_BLE_GATTC_DESCRIPTORS_DISCOVER, /**< Characteristic Descriptor Discovery. */ | |
SD_BLE_GATTC_ATTR_INFO_DISCOVER, /**< Attribute Information Discovery. */ | |
SD_BLE_GATTC_CHAR_VALUE_BY_UUID_READ, /**< Read Characteristic Value by UUID. */ | |
SD_BLE_GATTC_READ, /**< Generic read. */ | |
SD_BLE_GATTC_CHAR_VALUES_READ, /**< Read multiple Characteristic Values. */ | |
SD_BLE_GATTC_WRITE, /**< Generic write. */ | |
SD_BLE_GATTC_HV_CONFIRM, /**< Handle Value Confirmation. */ | |
SD_BLE_GATTC_EXCHANGE_MTU_REQUEST, /**< Exchange MTU Request. */ | |
}; | |
/** | |
* @brief GATT Client Event IDs. | |
*/ | |
enum BLE_GATTC_EVTS | |
{ | |
BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP = BLE_GATTC_EVT_BASE, /**< Primary Service Discovery Response event. \n See @ref ble_gattc_evt_prim_srvc_disc_rsp_t. */ | |
BLE_GATTC_EVT_REL_DISC_RSP, /**< Relationship Discovery Response event. \n See @ref ble_gattc_evt_rel_disc_rsp_t. */ | |
BLE_GATTC_EVT_CHAR_DISC_RSP, /**< Characteristic Discovery Response event. \n See @ref ble_gattc_evt_char_disc_rsp_t. */ | |
BLE_GATTC_EVT_DESC_DISC_RSP, /**< Descriptor Discovery Response event. \n See @ref ble_gattc_evt_desc_disc_rsp_t. */ | |
BLE_GATTC_EVT_ATTR_INFO_DISC_RSP, /**< Attribute Information Response event. \n See @ref ble_gattc_evt_attr_info_disc_rsp_t. */ | |
BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP, /**< Read By UUID Response event. \n See @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t. */ | |
BLE_GATTC_EVT_READ_RSP, /**< Read Response event. \n See @ref ble_gattc_evt_read_rsp_t. */ | |
BLE_GATTC_EVT_CHAR_VALS_READ_RSP, /**< Read multiple Response event. \n See @ref ble_gattc_evt_char_vals_read_rsp_t. */ | |
BLE_GATTC_EVT_WRITE_RSP, /**< Write Response event. \n See @ref ble_gattc_evt_write_rsp_t. */ | |
BLE_GATTC_EVT_HVX, /**< Handle Value Notification or Indication event. \n Confirm indication with @ref sd_ble_gattc_hv_confirm. \n See @ref ble_gattc_evt_hvx_t. */ | |
BLE_GATTC_EVT_EXCHANGE_MTU_RSP, /**< Exchange MTU Response event. \n See @ref ble_gattc_evt_exchange_mtu_rsp_t. */ | |
BLE_GATTC_EVT_TIMEOUT, /**< Timeout event. \n See @ref ble_gattc_evt_timeout_t. */ | |
BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE /**< Write without Response transmission complete. \n See @ref ble_gattc_evt_write_cmd_tx_complete_t. */ | |
}; | |
/** @} */ | |
/** @addtogroup BLE_GATTC_DEFINES Defines | |
* @{ */ | |
/** @defgroup BLE_ERRORS_GATTC SVC return values specific to GATTC | |
* @{ */ | |
#define BLE_ERROR_GATTC_PROC_NOT_PERMITTED (NRF_GATTC_ERR_BASE + 0x000) /**< Procedure not Permitted. */ | |
/** @} */ | |
/** @defgroup BLE_GATTC_ATTR_INFO_FORMAT Attribute Information Formats | |
* @{ */ | |
#define BLE_GATTC_ATTR_INFO_FORMAT_16BIT 1 /**< 16-bit Attribute Information Format. */ | |
#define BLE_GATTC_ATTR_INFO_FORMAT_128BIT 2 /**< 128-bit Attribute Information Format. */ | |
/** @} */ | |
/** @defgroup BLE_GATTC_DEFAULTS GATT Client defaults | |
* @{ */ | |
#define BLE_GATTC_WRITE_CMD_TX_QUEUE_SIZE_DEFAULT 1 /**< Default number of Write without Response that can be queued for transmission. */ | |
/** @} */ | |
/** @} */ | |
/** @addtogroup BLE_GATTC_STRUCTURES Structures | |
* @{ */ | |
/** | |
* @brief BLE GATTC connection configuration parameters, set with @ref sd_ble_cfg_set. | |
*/ | |
typedef struct | |
{ | |
uint8_t write_cmd_tx_queue_size; /**< The guaranteed minimum number of Write without Response that can be queued for transmission. | |
The default value is @ref BLE_GATTC_WRITE_CMD_TX_QUEUE_SIZE_DEFAULT */ | |
} ble_gattc_conn_cfg_t; | |
/**@brief Operation Handle Range. */ | |
typedef struct | |
{ | |
uint16_t start_handle; /**< Start Handle. */ | |
uint16_t end_handle; /**< End Handle. */ | |
} ble_gattc_handle_range_t; | |
/**@brief GATT service. */ | |
typedef struct | |
{ | |
ble_uuid_t uuid; /**< Service UUID. */ | |
ble_gattc_handle_range_t handle_range; /**< Service Handle Range. */ | |
} ble_gattc_service_t; | |
/**@brief GATT include. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Include Handle. */ | |
ble_gattc_service_t included_srvc; /**< Handle of the included service. */ | |
} ble_gattc_include_t; | |
/**@brief GATT characteristic. */ | |
typedef struct | |
{ | |
ble_uuid_t uuid; /**< Characteristic UUID. */ | |
ble_gatt_char_props_t char_props; /**< Characteristic Properties. */ | |
uint8_t char_ext_props : 1; /**< Extended properties present. */ | |
uint16_t handle_decl; /**< Handle of the Characteristic Declaration. */ | |
uint16_t handle_value; /**< Handle of the Characteristic Value. */ | |
} ble_gattc_char_t; | |
/**@brief GATT descriptor. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Descriptor Handle. */ | |
ble_uuid_t uuid; /**< Descriptor UUID. */ | |
} ble_gattc_desc_t; | |
/**@brief Write Parameters. */ | |
typedef struct | |
{ | |
uint8_t write_op; /**< Write Operation to be performed, see @ref BLE_GATT_WRITE_OPS. */ | |
uint8_t flags; /**< Flags, see @ref BLE_GATT_EXEC_WRITE_FLAGS. */ | |
uint16_t handle; /**< Handle to the attribute to be written. */ | |
uint16_t offset; /**< Offset in bytes. @note For WRITE_CMD and WRITE_REQ, offset must be 0. */ | |
uint16_t len; /**< Length of data in bytes. */ | |
uint8_t const *p_value; /**< Pointer to the value data. */ | |
} ble_gattc_write_params_t; | |
/**@brief Attribute Information for 16-bit Attribute UUID. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Attribute handle. */ | |
ble_uuid_t uuid; /**< 16-bit Attribute UUID. */ | |
} ble_gattc_attr_info16_t; | |
/**@brief Attribute Information for 128-bit Attribute UUID. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Attribute handle. */ | |
ble_uuid128_t uuid; /**< 128-bit Attribute UUID. */ | |
} ble_gattc_attr_info128_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Service count. */ | |
ble_gattc_service_t services[1]; /**< Service data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_prim_srvc_disc_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_REL_DISC_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Include count. */ | |
ble_gattc_include_t includes[1]; /**< Include data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_rel_disc_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_DISC_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Characteristic count. */ | |
ble_gattc_char_t chars[1]; /**< Characteristic data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_char_disc_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_DESC_DISC_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Descriptor count. */ | |
ble_gattc_desc_t descs[1]; /**< Descriptor data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_desc_disc_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_ATTR_INFO_DISC_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Attribute count. */ | |
uint8_t format; /**< Attribute information format, see @ref BLE_GATTC_ATTR_INFO_FORMAT. */ | |
union { | |
ble_gattc_attr_info16_t attr_info16[1]; /**< Attribute information for 16-bit Attribute UUID. | |
@note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
ble_gattc_attr_info128_t attr_info128[1]; /**< Attribute information for 128-bit Attribute UUID. | |
@note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} info; /**< Attribute information union. */ | |
} ble_gattc_evt_attr_info_disc_rsp_t; | |
/**@brief GATT read by UUID handle value pair. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Attribute Handle. */ | |
uint8_t *p_value; /**< Pointer to the Attribute Value, length is available in @ref ble_gattc_evt_char_val_by_uuid_read_rsp_t::value_len. */ | |
} ble_gattc_handle_value_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP. */ | |
typedef struct | |
{ | |
uint16_t count; /**< Handle-Value Pair Count. */ | |
uint16_t value_len; /**< Length of the value in Handle-Value(s) list. */ | |
uint8_t handle_value[1]; /**< Handle-Value(s) list. To iterate through the list use @ref sd_ble_gattc_evt_char_val_by_uuid_read_rsp_iter. | |
@note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_char_val_by_uuid_read_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_READ_RSP. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Attribute Handle. */ | |
uint16_t offset; /**< Offset of the attribute data. */ | |
uint16_t len; /**< Attribute data length. */ | |
uint8_t data[1]; /**< Attribute data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_read_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_CHAR_VALS_READ_RSP. */ | |
typedef struct | |
{ | |
uint16_t len; /**< Concatenated Attribute values length. */ | |
uint8_t values[1]; /**< Attribute values. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_char_vals_read_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_WRITE_RSP. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Attribute Handle. */ | |
uint8_t write_op; /**< Type of write operation, see @ref BLE_GATT_WRITE_OPS. */ | |
uint16_t offset; /**< Data offset. */ | |
uint16_t len; /**< Data length. */ | |
uint8_t data[1]; /**< Data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_write_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_HVX. */ | |
typedef struct | |
{ | |
uint16_t handle; /**< Handle to which the HVx operation applies. */ | |
uint8_t type; /**< Indication or Notification, see @ref BLE_GATT_HVX_TYPES. */ | |
uint16_t len; /**< Attribute data length. */ | |
uint8_t data[1]; /**< Attribute data. @note This is a variable length array. The size of 1 indicated is only a placeholder for compilation. | |
See @ref sd_ble_evt_get for more information on how to use event structures with variable length array members. */ | |
} ble_gattc_evt_hvx_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_EXCHANGE_MTU_RSP. */ | |
typedef struct | |
{ | |
uint16_t server_rx_mtu; /**< Server RX MTU size. */ | |
} ble_gattc_evt_exchange_mtu_rsp_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_TIMEOUT. */ | |
typedef struct | |
{ | |
uint8_t src; /**< Timeout source, see @ref BLE_GATT_TIMEOUT_SOURCES. */ | |
} ble_gattc_evt_timeout_t; | |
/**@brief Event structure for @ref BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE. */ | |
typedef struct | |
{ | |
uint8_t count; /**< Number of write without response transmissions completed. */ | |
} ble_gattc_evt_write_cmd_tx_complete_t; | |
/**@brief GATTC event structure. */ | |
typedef struct | |
{ | |
uint16_t conn_handle; /**< Connection Handle on which event occurred. */ | |
uint16_t gatt_status; /**< GATT status code for the operation, see @ref BLE_GATT_STATUS_CODES. */ | |
uint16_t error_handle; /**< In case of error: The handle causing the error. In all other cases @ref BLE_GATT_HANDLE_INVALID. */ | |
union | |
{ | |
ble_gattc_evt_prim_srvc_disc_rsp_t prim_srvc_disc_rsp; /**< Primary Service Discovery Response Event Parameters. */ | |
ble_gattc_evt_rel_disc_rsp_t rel_disc_rsp; /**< Relationship Discovery Response Event Parameters. */ | |
ble_gattc_evt_char_disc_rsp_t char_disc_rsp; /**< Characteristic Discovery Response Event Parameters. */ | |
ble_gattc_evt_desc_disc_rsp_t desc_disc_rsp; /**< Descriptor Discovery Response Event Parameters. */ | |
ble_gattc_evt_char_val_by_uuid_read_rsp_t char_val_by_uuid_read_rsp; /**< Characteristic Value Read by UUID Response Event Parameters. */ | |
ble_gattc_evt_read_rsp_t read_rsp; /**< Read Response Event Parameters. */ | |
ble_gattc_evt_char_vals_read_rsp_t char_vals_read_rsp; /**< Characteristic Values Read Response Event Parameters. */ | |
ble_gattc_evt_write_rsp_t write_rsp; /**< Write Response Event Parameters. */ | |
ble_gattc_evt_hvx_t hvx; /**< Handle Value Notification/Indication Event Parameters. */ | |
ble_gattc_evt_exchange_mtu_rsp_t exchange_mtu_rsp; /**< Exchange MTU Response Event Parameters. */ | |
ble_gattc_evt_timeout_t timeout; /**< Timeout Event Parameters. */ | |
ble_gattc_evt_attr_info_disc_rsp_t attr_info_disc_rsp; /**< Attribute Information Discovery Event Parameters. */ | |
ble_gattc_evt_write_cmd_tx_complete_t write_cmd_tx_complete; /**< Write without Response transmission complete Event Parameters. */ | |
} params; /**< Event Parameters. @note Only valid if @ref gatt_status == @ref BLE_GATT_STATUS_SUCCESS. */ | |
} ble_gattc_evt_t; | |
/** @} */ | |
/** @addtogroup BLE_GATTC_FUNCTIONS Functions | |
* @{ */ | |
/**@brief Initiate or continue a GATT Primary Service Discovery procedure. | |
* | |
* @details This function initiates or resumes a Primary Service discovery procedure, starting from the supplied handle. | |
* If the last service has not been reached, this function must be called again with an updated start handle value to continue the search. | |
* | |
* @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 | |
* type @ref BLE_UUID_TYPE_UNKNOWN will be received in the corresponding event. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_PRIM_SRVC_DISC_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] start_handle Handle to start searching from. | |
* @param[in] p_srvc_uuid Pointer to the service UUID to be found. If it is NULL, all primary services will be returned. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Primary Service Discovery procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Initiate or continue a GATT Relationship Discovery procedure. | |
* | |
* @details This function initiates or resumes the Find Included Services sub-procedure. If the last included service has not been reached, | |
* this must be called again with an updated handle range to continue the search. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_REL_DISC_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_REL_DISC_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_handle_range A pointer to the range of handles of the Service to perform this procedure on. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Relationship Discovery procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Initiate or continue a GATT Characteristic Discovery procedure. | |
* | |
* @details This function initiates or resumes a Characteristic discovery procedure. If the last Characteristic has not been reached, | |
* this must be called again with an updated handle range to continue the discovery. | |
* | |
* @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 | |
* type @ref BLE_UUID_TYPE_UNKNOWN will be received in the corresponding event. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_CHAR_DISC_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_CHAR_DISC_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_handle_range A pointer to the range of handles of the Service to perform this procedure on. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Characteristic Discovery procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Initiate or continue a GATT Characteristic Descriptor Discovery procedure. | |
* | |
* @details This function initiates or resumes a Characteristic Descriptor discovery procedure. If the last Descriptor has not been reached, | |
* this must be called again with an updated handle range to continue the discovery. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_DESC_DISC_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_DESC_DISC_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_handle_range A pointer to the range of handles of the Characteristic to perform this procedure on. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Descriptor Discovery procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Initiate or continue a GATT Read using Characteristic UUID procedure. | |
* | |
* @details This function initiates or resumes a Read using Characteristic UUID procedure. If the last Characteristic has not been reached, | |
* this must be called again with an updated handle range to continue the discovery. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_READ_UUID_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_uuid Pointer to a Characteristic value UUID to read. | |
* @param[in] p_handle_range A pointer to the range of handles to perform this procedure on. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Read using Characteristic UUID procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Initiate or continue a GATT Read (Long) Characteristic or Descriptor procedure. | |
* | |
* @details This function initiates or resumes a GATT Read (Long) Characteristic or Descriptor procedure. If the Characteristic or Descriptor | |
* to be read is longer than ATT_MTU - 1, this function must be called multiple times with appropriate offset to read the | |
* complete value. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_READ_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_VALUE_READ_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] handle The handle of the attribute to be read. | |
* @param[in] offset Offset into the attribute value to be read. | |
* | |
* @retval ::NRF_SUCCESS Successfully started or resumed the Read (Long) procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
SVCALL(SD_BLE_GATTC_READ, uint32_t, sd_ble_gattc_read(uint16_t conn_handle, uint16_t handle, uint16_t offset)); | |
/**@brief Initiate a GATT Read Multiple Characteristic Values procedure. | |
* | |
* @details This function initiates a GATT Read Multiple Characteristic Values procedure. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_CHAR_VALS_READ_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_READ_MULT_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_handles A pointer to the handle(s) of the attribute(s) to be read. | |
* @param[in] handle_count The number of handles in p_handles. | |
* | |
* @retval ::NRF_SUCCESS Successfully started the Read Multiple Characteristic Values procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
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)); | |
/**@brief Perform a Write (Characteristic Value or Descriptor, with or without response, signed or not, long or reliable) procedure. | |
* | |
* @details This function can perform all write procedures described in GATT. | |
* | |
* @note Only one write with response procedure can be ongoing per connection at a time. | |
* If the application tries to write with response while another write with response procedure is ongoing, | |
* the function call will return @ref NRF_ERROR_BUSY. | |
* A @ref BLE_GATTC_EVT_WRITE_RSP event will be issued as soon as the write response arrives from the peer. | |
* | |
* @note The number of Write without Response that can be queued is configured by @ref ble_gattc_conn_cfg_t::write_cmd_tx_queue_size | |
* When the queue is full, the function call will return @ref NRF_ERROR_RESOURCES. | |
* A @ref BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE event will be issued as soon as the transmission of the write without response is complete. | |
* | |
* @note The application can keep track of the available queue element count for writes without responses by following the procedure below: | |
* - Store initial queue element count in a variable. | |
* - Decrement the variable, which stores the currently available queue element count, by one when a call to this function returns @ref NRF_SUCCESS. | |
* - Increment the variable, which stores the current available queue element count, by the count variable in @ref BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE event. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE, Write without response transmission complete.} | |
* @event{@ref BLE_GATTC_EVT_WRITE_RSP, Write response received from the peer.} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_VALUE_WRITE_WITHOUT_RESP_MSC} | |
* @mmsc{@ref BLE_GATTC_VALUE_WRITE_MSC} | |
* @mmsc{@ref BLE_GATTC_VALUE_LONG_WRITE_MSC} | |
* @mmsc{@ref BLE_GATTC_VALUE_RELIABLE_WRITE_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_write_params A pointer to a write parameters structure. | |
* | |
* @retval ::NRF_SUCCESS Successfully started the Write procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State. | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_INVALID_PARAM Invalid parameter(s) supplied. | |
* @retval ::NRF_ERROR_DATA_SIZE Invalid data size(s) supplied. | |
* @retval ::NRF_ERROR_BUSY For write with response, procedure already in progress. Wait for a @ref BLE_GATTC_EVT_WRITE_RSP event and retry. | |
* @retval ::NRF_ERROR_RESOURCES Too many writes without responses queued. | |
* Wait for a @ref BLE_GATTC_EVT_WRITE_CMD_TX_COMPLETE event and retry. | |
*/ | |
SVCALL(SD_BLE_GATTC_WRITE, uint32_t, sd_ble_gattc_write(uint16_t conn_handle, ble_gattc_write_params_t const *p_write_params)); | |
/**@brief Send a Handle Value Confirmation to the GATT Server. | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_HVI_MSC} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] handle The handle of the attribute in the indication. | |
* | |
* @retval ::NRF_SUCCESS Successfully queued the Handle Value Confirmation for transmission. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid Connection Handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid Connection State or no Indication pending to be confirmed. | |
* @retval ::BLE_ERROR_INVALID_ATTR_HANDLE Invalid attribute handle. | |
*/ | |
SVCALL(SD_BLE_GATTC_HV_CONFIRM, uint32_t, sd_ble_gattc_hv_confirm(uint16_t conn_handle, uint16_t handle)); | |
/**@brief Discovers information about a range of attributes on a GATT server. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_ATTR_INFO_DISC_RSP, Generated when information about a range of attributes has been received.} | |
* @endevents | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] p_handle_range The range of handles to request information about. | |
* | |
* @retval ::NRF_SUCCESS Successfully started an attribute information discovery procedure. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid connection state | |
* @retval ::NRF_ERROR_INVALID_ADDR Invalid pointer supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
SVCALL(SD_BLE_GATTC_ATTR_INFO_DISCOVER, uint32_t, sd_ble_gattc_attr_info_discover(uint16_t conn_handle, ble_gattc_handle_range_t const * p_handle_range)); | |
/**@brief Start an ATT_MTU exchange by sending an Exchange MTU Request to the server. | |
* | |
* @details The SoftDevice sets ATT_MTU to the minimum of: | |
* - The Client RX MTU value, and | |
* - The Server RX MTU value from @ref BLE_GATTC_EVT_EXCHANGE_MTU_RSP. | |
* | |
* However, the SoftDevice never sets ATT_MTU lower than @ref BLE_GATT_ATT_MTU_DEFAULT. | |
* | |
* @events | |
* @event{@ref BLE_GATTC_EVT_EXCHANGE_MTU_RSP} | |
* @endevents | |
* | |
* @mscs | |
* @mmsc{@ref BLE_GATTC_MTU_EXCHANGE} | |
* @endmscs | |
* | |
* @param[in] conn_handle The connection handle identifying the connection to perform this procedure on. | |
* @param[in] client_rx_mtu Client RX MTU size. | |
* - The minimum value is @ref BLE_GATT_ATT_MTU_DEFAULT. | |
* - The maximum value is @ref ble_gatt_conn_cfg_t::att_mtu in the connection configuration | |
used for this connection. | |
* - The value must be equal to Server RX MTU size given in @ref sd_ble_gatts_exchange_mtu_reply | |
* if an ATT_MTU exchange has already been performed in the other direction. | |
* | |
* @retval ::NRF_SUCCESS Successfully sent request to the server. | |
* @retval ::BLE_ERROR_INVALID_CONN_HANDLE Invalid connection handle. | |
* @retval ::NRF_ERROR_INVALID_STATE Invalid connection state or an ATT_MTU exchange was already requested once. | |
* @retval ::NRF_ERROR_INVALID_PARAM Invalid Client RX MTU size supplied. | |
* @retval ::NRF_ERROR_BUSY Client procedure already in progress. | |
*/ | |
SVCALL(SD_BLE_GATTC_EXCHANGE_MTU_REQUEST, uint32_t, sd_ble_gattc_exchange_mtu_request(uint16_t conn_handle, uint16_t client_rx_mtu)); | |
/**@brief Iterate through Handle-Value(s) list in @ref BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP event. | |
* | |
* @param[in] p_gattc_evt Pointer to event buffer containing @ref BLE_GATTC_EVT_CHAR_VAL_BY_UUID_READ_RSP event. | |
* @note If the buffer contains different event, behavior is undefined. | |
* @param[in,out] p_iter Iterator, points to @ref ble_gattc_handle_value_t structure that will be filled in with | |
* the next Handle-Value pair in each iteration. If the function returns other than | |
* @ref NRF_SUCCESS, it will not be changed. | |
* - To start iteration, initialize the structure to zero. | |
* - To continue, pass the value from previous iteration. | |
* | |
* \code | |
* ble_gattc_handle_value_t iter; | |
* memset(&iter, 0, sizeof(ble_gattc_handle_value_t)); | |
* while (sd_ble_gattc_evt_char_val_by_uuid_read_rsp_iter(&ble_evt.evt.gattc_evt, &iter) == NRF_SUCCESS) | |
* { | |
* app_handle = iter.handle; | |
* memcpy(app_value, iter.p_value, ble_evt.evt.gattc_evt.params.char_val_by_uuid_read_rsp.value_len); | |
* } | |
* \endcode | |
* | |
* @retval ::NRF_SUCCESS Successfully retrieved the next Handle-Value pair. | |
* @retval ::NRF_ERROR_NOT_FOUND No more Handle-Value pairs available in the list. | |
*/ | |
__STATIC_INLINE uint32_t sd_ble_gattc_evt_char_val_by_uuid_read_rsp_iter(ble_gattc_evt_t *p_gattc_evt, ble_gattc_handle_value_t *p_iter); | |
/** @} */ | |
#ifndef SUPPRESS_INLINE_IMPLEMENTATION | |
__STATIC_INLINE uint32_t sd_ble_gattc_evt_char_val_by_uuid_read_rsp_iter(ble_gattc_evt_t *p_gattc_evt, ble_gattc_handle_value_t *p_iter) | |
{ | |
uint32_t value_len = p_gattc_evt->params.char_val_by_uuid_read_rsp.value_len; | |
uint8_t *p_first = p_gattc_evt->params.char_val_by_uuid_read_rsp.handle_value; | |
uint8_t *p_next = p_iter->p_value ? p_iter->p_value + value_len : p_first; | |
if ((p_next - p_first) / (sizeof(uint16_t) + value_len) < p_gattc_evt->params.char_val_by_uuid_read_rsp.count) | |
{ | |
p_iter->handle = (uint16_t)p_next[1] << 8 | p_next[0]; | |
p_iter->p_value = p_next + sizeof(uint16_t); | |
return NRF_SUCCESS; | |
} | |
else | |
{ | |
return NRF_ERROR_NOT_FOUND; | |
} | |
} | |
#endif /* SUPPRESS_INLINE_IMPLEMENTATION */ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* BLE_GATTC_H__ */ | |
/** | |
@} | |
*/ |