Files
epd42/components/ble/peer_manager/gattc_cache_manager.h
Shuanglei Tao f353d23368 Initial commit
2024-11-11 15:35:36 +08:00

84 lines
2.7 KiB
C

#ifndef GATTC_CACHE_MANAGER_H__
#define GATTC_CACHE_MANAGER_H__
#include "stdint.h"
#include "sdk_errors.h"
#include "ble.h"
#include "ble_gap.h"
#include "peer_manager_types.h"
/**
* @defgroup gattc_cache_manager GATT Client Cache Manager
* @ingroup peer_manager
* @{
* @brief An internal module of @ref peer_manager. A module for managing persistent storing of GATT
* attributes pertaining to the GATT client role of the local device.
*/
/**@brief Events that can come from the GATT Cache Manager module.
*/
typedef enum
{
GCCM_EVT_REMOTE_DB_UPDATED, /**< Values for the specified data has been updated in persistent storage. */
GCCM_EVT_REMOTE_DB_STORED, /**< New values for the specified data has been written in persistent storage. */
} gccm_evt_id_t;
typedef struct
{
gccm_evt_id_t evt_id;
pm_peer_id_t peer_id;
} gccm_evt_t;
/**@brief Event handler for events from the GATT Client Cache Manager module.
*
* @param[in] event The event that has happened.
* @param[in] peer The id of the peer the event pertains to.
* @param[in] flags The data the event pertains to.
*/
typedef void (*gccm_evt_handler_t)(gccm_evt_t const * p_event);
/**@brief Function for initializing the GATT Client Cache Manager module.
*
* @param[in] evt_handler Callback for events from the GATT Client Cache Manager module.
*
* @retval NRF_SUCCESS Initialization was successful.
* @retval NRF_ERROR_NULL evt_handler was NULL.
*/
ret_code_t gccm_init(gccm_evt_handler_t evt_handler);
/**@brief Function for storing a discovered remote database persistently.
*
* @param[in] peer_id Peer to store the database for.
* @param[in] p_remote_db Database values to store. If NULL, values are cleared instead.
*
* @retval NRF_SUCCESS Store procedure successfully started.
* @retval NRF_ERROR_NOT_FOUND The peer id is invalid or unallocated.
* @retval NRF_ERROR_INVALID_STATE Module is not initialized.
*/
ret_code_t gccm_remote_db_store(pm_peer_id_t peer_id, pm_peer_data_remote_gatt_db_t * p_remote_db);
/**@brief Function for retrieving a persistently stored remote database.
*
* @param[in] peer_id Peer to retrieve data for.
* @param[inout] p_remote_db Copied database values. If NULL, nothing is copied.
*
* @retval NRF_SUCCESS Data retrieved successfully.
* @retval NRF_ERROR_NOT_FOUND The peer ID is invalid or unallocated.
* @retval NRF_ERROR_INVALID_STATE Module is not initialized.
*/
ret_code_t gccm_remote_db_retrieve(pm_peer_id_t peer_id,
pm_peer_data_remote_gatt_db_t * p_remote_db);
/* @} */
#endif /* GATTC_CACHE_MANAGER_H__ */