example.h

/******************************************************************************
Finite State Machine
Project: sm.dot
Description: <none given>

Generated by gv_fsm ruby gem, see https://rubygems.org/gems/gv_fsm
gv_fsm version 0.2.1
Generation date: 2020-08-31 12:03:07 +0200
Generated from: sm.dot
The finite state machine has:
  5 states
  5 transition functions
Functions and types have been generated with prefix "fsm_"
******************************************************************************/

#ifndef EXAMPLE_H
#define EXAMPLE_H
#include <stdlib.h>

// State data object
// By default set to void; override this typedef or load the proper
// header if you need
typedef void fsm_state_data_t;

// NOTHING SHALL BE CHANGED AFTER THIS LINE!

// List of states
typedef enum {
  FSM_STATE_INIT = 0,  
  FSM_STATE_IDLE,  
  FSM_STATE_SETUP,  
  FSM_STATE_RUNNING,  
  FSM_STATE_STOP,  
  FSM_NUM_STATES,
  FSM_NO_CHANGE
} fsm_state_t;

const char *state_names[] = {"init", "idle", "setup", "running", "stop"};

// State function and state transition prototypes
typedef fsm_state_t state_func_t(fsm_state_data_t *data);
typedef void transition_func_t(fsm_state_data_t *data);

// State functions
fsm_state_t fsm_do_init(fsm_state_data_t *data);
fsm_state_t fsm_do_idle(fsm_state_data_t *data);
fsm_state_t fsm_do_setup(fsm_state_data_t *data);
fsm_state_t fsm_do_running(fsm_state_data_t *data);
fsm_state_t fsm_do_stop(fsm_state_data_t *data);

// List of state functions
state_func_t *const fsm_state_table[FSM_NUM_STATES] = {
  fsm_do_init,    // in state init
  fsm_do_idle,    // in state idle
  fsm_do_setup,   // in state setup
  fsm_do_running, // in state running
  fsm_do_stop,    // in state stop
};

// Transition functions
void fsm_init_to_idle(fsm_state_data_t *data);
void fsm_stay(fsm_state_data_t *data);
void fsm_to_setup(fsm_state_data_t *data);
void fsm_setup_to_running(fsm_state_data_t *data);
void fsm_to_idle(fsm_state_data_t *data);

// Table of transition functions
transition_func_t *const fsm_transition_table[FSM_NUM_STATES][FSM_NUM_STATES] = {
  /* states:     init                , idle                , setup               , running             , stop                 */
  /* init    */ {NULL                , fsm_init_to_idle    , NULL                , NULL                , NULL                }, 
  /* idle    */ {NULL                , fsm_stay            , fsm_to_setup        , NULL                , NULL                }, 
  /* setup   */ {NULL                , NULL                , NULL                , fsm_setup_to_running, NULL                }, 
  /* running */ {NULL                , fsm_to_idle         , NULL                , fsm_stay            , NULL                }, 
  /* stop    */ {NULL                , NULL                , NULL                , NULL                , NULL                }, 
};

// state manager
fsm_state_t fsm_run_state(fsm_state_t cur_state, void *data);

#endif