bs_state_machine.h

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/*
 * Copyright 2025 Tobias Moullet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * File: bs_state_machine.h
 * Description: Implementation of the state machine for Bluesync
 *
 * Project: BlueSync - BLE Time Sync for Zephyr
 * Repository: https://github.com/Tobi15/zephyr-bluesync-ble
 */
 
 
#ifndef ZEPHYR_BLUESYNC_SRC_BS_STATE_MACHINE_H_
#define ZEPHYR_BLUESYNC_SRC_BS_STATE_MACHINE_H_
 
#include "bluesync.h"
 
typedef enum {
    BS_NONE_STATE           = 0,
    BS_SCAN_WAIT_FOR_SYNC   = 1,
    BS_SYNC                 = 2,
    BS_UPDATE               = 3,
    BS_ADV                  = 4,
    BS_STOP                 = 5,
    BS_COUNT                = 6
} bs_sm_state_t;
 
typedef enum {
    EVENT_NONE              = 0,
    EVENT_INIT              = 1,
    EVENT_NEW_SYNC_RCV      = 2,
    EVENT_SYNC_EXPIRED      = 3,
    EVENT_UPDATE_SUCCESS    = 4,
    EVENT_UPDATE_FAILED     = 5,
    EVENT_ADV_EXPIRED       = 6,
    EVENT_NEW_NET_SYNC      = 7,
    EVENT_COUNT             = 8
} bs_sm_event_t;
 
struct bs_sm_handlers {
    void (*bs_scan_wait_for_sync_cb)(void);
 
    void (*bs_sync_cb)();
 
    void (*bs_update_cb)(void);
 
    void (*bs_adv_cb)(void);
 
    void (*bs_stop_cb)(void);
};
 
extern struct bs_sm_handlers *bs_sm_handlers;
 
void bs_state_machine_run(bs_sm_event_t event);
 
void bs_state_machine_init(struct bs_sm_handlers *handlers);
 
void bs_state_machine_set_role(bluesync_role_t role);
 
bluesync_role_t bs_state_machine_get_role();
 
bs_sm_state_t bs_state_machine_get_state();
 
#endif /* ZEPHYR_BLUESYNC_SRC_BS_STATE_MACHINE_H_ */