ozone_cp/APP/state_machine.h

#pragma once

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

/**
 * @brief
 *
 * @Usage:
 *
 *
 */

typedef struct state_machine_state_s state_machine_state_t;
typedef struct state_machine_s state_machine_t;
typedef state_machine_state_t* (*state_machine_process_event_t)(state_machine_t* machine, state_machine_state_t* nowstate, int event);

struct state_machine_state_s {
  char const* name;  // name
  int stateId;       // stateID
  int duration;      //当前这个状态持续了多久
};
struct state_machine_s {
  state_machine_state_t* states;                //
  int nstate;                                   //
  state_machine_state_t* nowstate;              //
  state_machine_process_event_t process_event;  //
  state_machine_state_t* nextstate;             //
  state_machine_state_t* laststate;             //
};
/**
 * @brief
 *  0->1000 私有事件
 */
#define TIME_EVENT 0x01                  //
#define ENTER_STATE 0x02                 //
#define EXIT_STATE 0x03                  //
#define STATE_MACHINE_PUBLIC_EVENT 1000  //

/**
 * @brief 初始化状态机
 *
 * @param machine
 * @param statetable
 * @param len
 */
void state_machine_init(state_machine_t* machine, state_machine_state_t* statetable, size_t len, state_machine_process_event_t process_event);
/**
 * @brief 触发事件，主要用于触发私有事件
 *
 * @param machine
 * @param event
 */
void state_machine_trigger_event(state_machine_t* machine, int event);

state_machine_state_t* state_machine_get_now_state(state_machine_t* machine);

/**
 * @brief 在主循环中每隔10ms调用一次
 *
 * @param machine
 */
void state_machine_schedule_each10ms(state_machine_t* machine);

/**
 * @brief 获取已经进入当前状态过去了多久时间
 *
 * @param state
 * @return uint32_t
 */
uint32_t state_machine_get_state_duration_ms(state_machine_state_t* state);