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examples/bluetooth/nimble/common/nimble_central_utils/esp_central.h
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/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#ifndef H_ESP_CENTRAL_
#define H_ESP_CENTRAL_
#include "modlog/modlog.h"
#ifdef __cplusplus
extern "C" {
#endif
#define PEER_ADDR_VAL_SIZE 6
/** Misc. */
void print_bytes(const uint8_t *bytes, int len);
void print_mbuf(const struct os_mbuf *om);
void print_mbuf_data(const struct os_mbuf *om);
char *addr_str(const void *addr);
void print_uuid(const ble_uuid_t *uuid);
void print_conn_desc(const struct ble_gap_conn_desc *desc);
void print_adv_fields(const struct ble_hs_adv_fields *fields);
void ext_print_adv_report(const void *param);
/** Peer. */
struct peer_dsc {
SLIST_ENTRY(peer_dsc) next;
struct ble_gatt_dsc dsc;
};
SLIST_HEAD(peer_dsc_list, peer_dsc);
struct peer_chr {
SLIST_ENTRY(peer_chr) next;
struct ble_gatt_chr chr;
struct peer_dsc_list dscs;
};
SLIST_HEAD(peer_chr_list, peer_chr);
struct peer_svc {
SLIST_ENTRY(peer_svc) next;
struct ble_gatt_svc svc;
struct peer_chr_list chrs;
};
SLIST_HEAD(peer_svc_list, peer_svc);
struct peer;
typedef void peer_disc_fn(const struct peer *peer, int status, void *arg);
/**
* @brief The callback function for the devices traversal.
*
* @param peer
* @param arg
* @return int 0, continue; Others, stop the traversal.
*
*/
typedef int peer_traverse_fn(const struct peer *peer, void *arg);
struct peer {
SLIST_ENTRY(peer) next;
uint16_t conn_handle;
uint8_t peer_addr[PEER_ADDR_VAL_SIZE];
/** List of discovered GATT services. */
struct peer_svc_list svcs;
/** Keeps track of where we are in the service discovery process. */
uint16_t disc_prev_chr_val;
struct peer_svc *cur_svc;
/** Callback that gets executed when service discovery completes. */
peer_disc_fn *disc_cb;
void *disc_cb_arg;
};
void peer_traverse_all(peer_traverse_fn *trav_cb, void *arg);
int peer_disc_svc_by_uuid(uint16_t conn_handle, const ble_uuid_t *uuid, peer_disc_fn *disc_cb,
void *disc_cb_arg);
int peer_disc_all(uint16_t conn_handle, peer_disc_fn *disc_cb,
void *disc_cb_arg);
const struct peer_dsc *
peer_dsc_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid,
const ble_uuid_t *chr_uuid, const ble_uuid_t *dsc_uuid);
const struct peer_chr *
peer_chr_find_uuid(const struct peer *peer, const ble_uuid_t *svc_uuid,
const ble_uuid_t *chr_uuid);
const struct peer_svc *
peer_svc_find_uuid(const struct peer *peer, const ble_uuid_t *uuid);
int peer_delete(uint16_t conn_handle);
int peer_add(uint16_t conn_handle);
int peer_init(int max_peers, int max_svcs, int max_chrs, int max_dscs);
struct peer *
peer_find(uint16_t conn_handle);
#if MYNEWT_VAL(ENC_ADV_DATA)
int peer_set_addr(uint16_t conn_handle, uint8_t *peer_addr);
#endif
#ifdef __cplusplus
}
#endif
#endif
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