nus_client.h

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/*
 * Copyright (c) 2018 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef BT_NUS_CLIENT_H_
#define BT_NUS_CLIENT_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <zephyr/bluetooth/gatt.h>
#include <zephyr/bluetooth/conn.h>
#include <bluetooth/gatt_dm.h>
 
struct bt_nus_client_handles {
 
        uint16_t rx;
 
        uint16_t tx;
 
        uint16_t tx_ccc;
};
 
struct bt_nus_client;
 
struct bt_nus_client_cb {
        uint8_t (*received)(struct bt_nus_client *nus, const uint8_t *data, uint16_t len);
 
        void (*sent)(struct bt_nus_client *nus, uint8_t err, const uint8_t *data, uint16_t len);
 
        void (*unsubscribed)(struct bt_nus_client *nus);
};
 
struct bt_nus_client {
 
        struct bt_conn *conn;
 
        atomic_t state;
 
        struct bt_nus_client_handles handles;
 
        struct bt_gatt_subscribe_params tx_notif_params;
 
        struct bt_gatt_write_params rx_write_params;
 
        struct bt_nus_client_cb cb;
};
 
struct bt_nus_client_init_param {
 
        struct bt_nus_client_cb cb;
};
 
int bt_nus_client_init(struct bt_nus_client *nus,
                       const struct bt_nus_client_init_param *init_param);
 
int bt_nus_client_send(struct bt_nus_client *nus, const uint8_t *data,
                       uint16_t len);
 
int bt_nus_handles_assign(struct bt_gatt_dm *dm,
                          struct bt_nus_client *nus);
 
int bt_nus_subscribe_receive(struct bt_nus_client *nus);
 
#ifdef __cplusplus
}
#endif
 
#endif /* BT_NUS_CLIENT_H_ */