cts_client.h

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/*
 * Copyright (c) 2020 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef BT_CTS_CLIENT_H_
#define BT_CTS_CLIENT_H_
 
#include <zephyr/bluetooth/gatt.h>
#include <zephyr/bluetooth/conn.h>
#include <bluetooth/gatt_dm.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct bt_cts_exact_time_256 {
        uint16_t year;
        uint8_t month;
        uint8_t day;
        uint8_t hours;
        uint8_t minutes;
        uint8_t seconds;
        uint8_t day_of_week;
        uint8_t fractions256;
};
 
struct bt_cts_adjust_reason {
        uint8_t manual_time_update : 1;
        uint8_t external_reference_time_update : 1;
        uint8_t change_of_time_zone : 1;
        uint8_t change_of_daylight_savings_time : 1;
};
 
struct bt_cts_current_time {
        struct bt_cts_exact_time_256 exact_time_256;
        struct bt_cts_adjust_reason adjust_reason;
};
 
struct bt_cts_client;
 
typedef void (*bt_cts_read_cb)(struct bt_cts_client *cts_c,
                               struct bt_cts_current_time *current_time,
                               int err);
 
typedef void (*bt_cts_notify_cb)(struct bt_cts_client *cts_c,
                                 struct bt_cts_current_time *current_time);
 
struct bt_cts_client {
        struct bt_conn *conn;
 
        uint16_t handle_ct;
 
        uint16_t handle_ct_ccc;
 
        atomic_t state;
 
        struct bt_gatt_read_params read_params;
 
        struct bt_gatt_subscribe_params notify_params;
 
        bt_cts_read_cb read_cb;
 
        bt_cts_notify_cb notify_cb;
};
 
int bt_cts_client_init(struct bt_cts_client *cts_c);
 
int bt_cts_read_current_time(struct bt_cts_client *cts_c, bt_cts_read_cb func);
 
int bt_cts_subscribe_current_time(struct bt_cts_client *cts_c,
                                  bt_cts_notify_cb func);
 
int bt_cts_unsubscribe_current_time(struct bt_cts_client *cts_c);
 
int bt_cts_handles_assign(struct bt_gatt_dm *dm, struct bt_cts_client *cts_c);
 
#ifdef __cplusplus
}
#endif
 
#endif /* BT_CTS_CLIENT_H_ */