From 446fde10b087cead3bf59810947ff495116d737b Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Sat, 7 May 2011 20:26:16 +0200 Subject: digital/{ai,io}: move FSM to ai --- digital/io/src/fsm.h | 566 ---------------- digital/io/src/fsm.host.c | 1571 --------------------------------------------- 2 files changed, 2137 deletions(-) delete mode 100644 digital/io/src/fsm.h delete mode 100644 digital/io/src/fsm.host.c (limited to 'digital/io') diff --git a/digital/io/src/fsm.h b/digital/io/src/fsm.h deleted file mode 100644 index 6b376d30..00000000 --- a/digital/io/src/fsm.h +++ /dev/null @@ -1,566 +0,0 @@ -/* - AngFSM - AngFSM - Almost Non Generated Finite State Machine - - Copyright 2011 Jerome Jutteau - -Contact: - * email: j.jutteau _AT_ gmail _DOT_ com - * website: http://fuu.im/angfsm/ - - This file is part of AngFSM. - - AngFSM is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - AngFSM is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with AngFSM. If not, see . - */ - -#include - -#ifndef _FSM_GEN_ -#define _FSM_GEN_ - -#ifndef FSM_NAME -#define FSM_NAME FSM -#endif - -#define XSTR(s) STR(s) -#define STR(s) #s -#define FSM_PASTE(a, b) a ## b -#define FSM_PASTE_EXPAND(a, b) FSM_PASTE (a, b) -#define FSM_PASTE3_EXPAND(a, b, c)\ - FSM_PASTE_EXPAND (a, FSM_PASTE_EXPAND (b, c)) -#define FIRST(first, others...) first - -#ifdef __AVR_ARCH__ -/* Include generated header. */ -#include XSTR (FSM_PASTE_EXPAND (fsm_, FSM_NAME)_gen.h) - -/* Disable init macro. */ -#define FSM_INIT - -/* Disable code generation macro. */ -#define FSM_GENERATE(arch, string) - -/* Disable FSM_IMPORT macro. */ -#define FSM_IMPORT(fsm_name) - -/** Immediatly handle an event by the fsm. */ -#define FSM_HANDLE(fsm, event) fsm_##fsm##_handle (FSM_EVENT_##fsm##_##event ) - -/** Says if an event can actually be handle or not by the fsm. */ -#define FSM_CAN_HANDLE(fsm, event) fsm_##fsm##_can_handle \ - (FSM_EVENT_##fsm##_##event) - -/** Reset fsm to it's initial state. */ -#define FSM_RESET(fsm) fsm_##fsm##_init (); - -/** Disable dot generation. */ -#define FSM_GEN_DOT(fsm) - -/** Disable state defining - * - * Define states of the fsm, can be called several times to add other states. */ -#define FSM_STATES(states...) - -/** Disable event defining */ -#define FSM_EVENTS(events...) - -/** Disable macro. */ -#define FSM_START_WITH(starters...) - -#define FSM_TRANS(state, event, output_branches...)\ - FSM_PASTE3_EXPAND (fsm_, FSM_NAME,_branch_t)\ -FSM_PASTE3_EXPAND (fsm_, FSM_NAME,_trans_func_##state##_##event) () - -#define FSM_NEXT(state, event, branch...)\ - FSM_PASTE3_EXPAND (FSM_BRANCH_, FSM_NAME,_##state##_##event##_##branch) - -/** Transform an event in uint16_t. */ -#define FSM_EVENT(fsm, event) FSM_EVENT_##fsm##_##event - -/** Handle event from uint16_t. */ -#define FSM_HANDLE_VAR(fsm, event) fsm_##fsm##_handle (event) - -/* Can we handle event from uint16_t ? */ -#define FSM_CAN_HANDLE_VAR(fsm, event) fsm_##fsm##_can_handle (event) - -/* Time out macros. */ -#define FSM_TRANS_TIMEOUT(state, timeout, output_branches...)\ - FSM_TRANS (state, state##_TIMEOUT, output_branches) - -#define FSM_NEXT_TIMEOUT(state, branch...)\ - FSM_NEXT (state, state##_TIMEOUT, branch) - -#define FSM_HANDLE_TIMEOUT(fsm_name) fsm_##fsm_name##_handle_timeout () - -#else /* Compiling for HOST */ -#include - -/* Describe an event. */ -typedef struct -{ - /* Name of the event. */ - char *var_name; - /* Unique code of the event. */ - uint code; -} fsm_build_event_t; - -/* Chain of events. */ -typedef struct fsm_build_event_chain_t -{ - fsm_build_event_t event; - struct fsm_build_event_chain_t *next; -} fsm_build_event_chain_t; - -/* Describe a state. Same as event. */ -typedef fsm_build_event_t fsm_build_state_t; - -/* Chain of state */ -typedef struct fsm_build_state_chain_t -{ - fsm_build_state_t state; - struct fsm_build_state_chain_t *next; -} fsm_build_state_chain_t; - -/** - * Describe a branch. It is the output of a transition. - * Branches can be chained when there are several possible output state for - * one event. - */ -typedef struct fsm_build_branch_chain_t -{ - /* Pointer to the output state of the branch. */ - fsm_build_state_t *state; - /* Name of the branch. */ - char *name; - /* Pointer to the next branch when we have the choice of the output */ - struct fsm_build_branch_chain_t *next; -} fsm_build_branch_chain_t; - -/** - * Describe a transition. - * When an event occurs, an active state may react to this event an execute a - * transition. The transition function returns the new state which become - * active. - */ -typedef struct -{ - /* Active state. */ - fsm_build_state_t *state; - /* Active event. */ - fsm_build_event_t *event; - /* Possible states the transition will return. */ - fsm_build_branch_chain_t *output_branches; -} fsm_build_trans_t; - -/* Chain of transitions. */ -typedef struct fsm_build_trans_chain_t -{ - fsm_build_trans_t trans; - struct fsm_build_trans_chain_t *next; -} fsm_build_trans_chain_t; - -/* Pointer to a transition function. */ -typedef fsm_build_state_t* (*fsm_build_run_strans_func_t)(void); - -/* Chain of transitions with associated function's pointer. */ -typedef struct fsm_trans_func_chain_t -{ - fsm_build_run_strans_func_t func; - fsm_build_trans_t trans; - struct fsm_trans_func_chain_t *next; -} fsm_trans_func_chain_t; - -/* Timeout structure. */ -typedef struct fsm_build_timeout_t -{ - uint timeout; - fsm_build_trans_t *trans; -} fsm_build_timeout_t; - -/* Chain of fsm_timeout_t. */ -typedef struct fsm_build_timeout_chain_t -{ - fsm_build_timeout_t timeout; - struct fsm_build_timeout_chain_t *next; -} fsm_build_timeout_chain_t; - -/* Data needed for fsm execution (for host). */ -typedef struct -{ - /* This table store pointers of aff all transition functions. The first - * dimension correspond to the events and the second to the states. If - * there is no transition of a event/state couple, NULL is set. This - * permit to react quickly to an event during execution but is not the - * best for memory cost. - */ - fsm_build_run_strans_func_t **trans_table; - /* Store pointer to active states. */ - fsm_build_state_t **active_states; - /* This array has the size of active_states and store the event who has - * triggered the corresponding active state. This is used for dot - * generation for visual purposes. - */ - fsm_build_event_t **events_before_active_state; - /* Store all pointers of transition functions. */ - fsm_trans_func_chain_t *func_pool; - /* Array of counters for timeout events. - * -1 mean counter is off. */ - int *timeout_counters; -} fsm_build_run_t; - -/* Store all Finite State Machine (fsm) informations. */ -typedef struct -{ - /* All events. */ - fsm_build_event_chain_t *events; - /* All states. */ - fsm_build_state_chain_t *states; - /* All transitions. */ - fsm_build_trans_chain_t *trans; - /* Name of the fsm. */ - char *name; - /* Maximal number of active states. */ - uint max_active_states; - /* Total number of events. */ - uint event_nb; - /* Total number of states. */ - uint state_nb; - /* First active states. */ - fsm_build_state_chain_t *starters; - /* All timeout. */ - fsm_build_timeout_chain_t *timeouts; - /* Data for running purposes. */ - fsm_build_run_t run; -} fsm_build_t; - -/* Store all fsm in a chain. */ -typedef struct fsm_build_chain_t -{ - fsm_build_t *fsm; - struct fsm_build_chain_t *next; -} fsm_build_chain_t; - -/* Store all fsm. */ -extern fsm_build_chain_t *fsm_build_all_fsm; -/* Function to initialize fsm_build_all_fsm. */ -void fsm_build_init_all_fsm () __attribute__((constructor(101))); - -/** Create the fsm and functions who will be executed before and after main - * function. This permits initilialization of the fsm. */ -extern fsm_build_t FSM_PASTE_EXPAND (fsm_, FSM_NAME); -void FSM_PASTE_EXPAND (fsm_build_init_, FSM_NAME)() __attribute__((constructor(102))); -void FSM_PASTE_EXPAND (fsm_build_run_init_, FSM_NAME)() __attribute__((constructor(107))); -void FSM_PASTE_EXPAND (fsm_build_free_, FSM_NAME)() __attribute__((destructor)); - -#define FSM_INIT\ - fsm_build_t FSM_PASTE_EXPAND (fsm_, FSM_NAME);\ -void FSM_PASTE_EXPAND (fsm_build_init_, FSM_NAME)()\ -{\ - fsm_build_init (FSM_PASTE_EXPAND (&fsm_, FSM_NAME), XSTR(FSM_NAME));\ -}\ -void FSM_PASTE_EXPAND (fsm_build_run_init_, FSM_NAME)()\ -{\ - fsm_build_run_init (& FSM_PASTE_EXPAND (fsm_, FSM_NAME));\ -}\ -void FSM_PASTE_EXPAND (fsm_build_free_, FSM_NAME)()\ -{\ - fsm_build_free (& FSM_PASTE_EXPAND (fsm_, FSM_NAME));\ -} - -#define FSM_IMPORT(fsm_name)\ - extern fsm_build_t fsm_##fsm_name; - -/** Generate source ou header files for the specific architecture */ -#define FSM_GENERATE(arch, string) fsm_build_gen (#arch, string); - -/** Immediatly handle an event by the fsm. */ -#define FSM_HANDLE(fsm, event) fsm_build_handle_string (&fsm_##fsm , #event) - -/** Says if an event can actually be handle or not by the fsm. */ -#define FSM_CAN_HANDLE(fsm, event) fsm_build_can_handle_string (&fsm_##fsm, #event) - -/** Reset fsm to it's initial state. */ -#define FSM_RESET(fsm) fsm_build_reset (&fsm_##fsm) - -/** Generate dot. */ -#define FSM_GEN_DOT(fsm) fsm_build_gen_dot (&fsm_##fsm) - -/** Define states of the fsm, can be called several times to add other states. */ -#define FSM_STATES(states...)\ - void FSM_PASTE3_EXPAND (fsm_build_states_, FSM_NAME, FIRST (states)) () __attribute__((constructor(103)));\ -void FSM_PASTE3_EXPAND (fsm_build_states_, FSM_NAME, FIRST (states)) ()\ -{\ - fsm_build_states (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), #states);\ -} - -/** Define events of the fsm, can be called several times to add other events. */ -#define FSM_EVENTS(events...)\ - void FSM_PASTE3_EXPAND (fsm_build_events_, FSM_NAME, FIRST (events)) () __attribute__((constructor(103)));\ -void FSM_PASTE3_EXPAND (fsm_build_events_, FSM_NAME, FIRST (events)) ()\ -{\ - fsm_build_events (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), #events);\ -} - -/** Define wich state(s) will be active at the beginning. */ -#define FSM_START_WITH(starters...)\ - void FSM_PASTE3_EXPAND (fsm_build_start_with_, FSM_NAME, FIRST (starters))() __attribute__((constructor(104)));\ -void FSM_PASTE3_EXPAND (fsm_build_start_with_, FSM_NAME, FIRST (starters))()\ -{\ - fsm_build_start_with (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), #starters);\ -} - -/** - * Define a transition by giving a state, an event and: - * - a event if the transition returns only one state. - * - branches if the transition returns different states. - * See examples for reel usage. - */ -#define FSM_TRANS(state, event, output_branches...)\ - fsm_build_state_t* FSM_PASTE3_EXPAND (fsm_trans_, FSM_NAME,_##state##_##event) ();\ -void FSM_PASTE3_EXPAND (fsm_build_trans_, FSM_NAME,_##state##_##event)() __attribute__((constructor(105)));\ -void FSM_PASTE3_EXPAND (fsm_build_trans_, FSM_NAME,_##state##_##event)()\ -{\ - fsm_build_trans (& FSM_PASTE_EXPAND(fsm_, FSM_NAME), #state, #event,\ -#output_branches,\ - & FSM_PASTE3_EXPAND (fsm_trans_, FSM_NAME,_##state##_##event));\ -}\ -fsm_build_state_t* FSM_PASTE3_EXPAND (fsm_trans_, FSM_NAME,_##state##_##event) () - -/** - * Used to return next state by giving the actual transition informations and - * the branch (if there are several branches). - * Not directly returning the state can avoid some errors. * - */ -#define FSM_NEXT(state, event, branch...)\ - fsm_build_get_next_state (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), #state, #event, #branch) - -/** - * Define a transition when a state times out. - * You have to provide a state, a timeout value and: - * - a event if the transition returns only one state. - * - branches if the transition returns different states. - * See examples for reel usage. - */ -#define FSM_TRANS_TIMEOUT(state, timeout, output_branches...)\ - void FSM_PASTE3_EXPAND (fsm_build_timeout_, FSM_NAME,_##state##_TIMEOUT)() __attribute__((constructor(106)));\ -void FSM_PASTE3_EXPAND (fsm_build_timeout_, FSM_NAME,_##state##_TIMEOUT)()\ -{\ - fsm_build_timeout (& FSM_PASTE_EXPAND(fsm_, FSM_NAME), #state, XSTR(state##_TIMEOUT), timeout);\ -}\ -FSM_EVENTS (state##_TIMEOUT)\ -FSM_TRANS (state, state##_TIMEOUT, output_branches) - -/** - * Used to return next state after a timeout. - * Same as FSM_NEXT but without specifying an event. - */ -#define FSM_NEXT_TIMEOUT(state, branch...)\ - FSM_NEXT (state, state##_TIMEOUT, branch) - -/** Used to handle timeout events. */ -#define FSM_HANDLE_TIMEOUT(fsm_name) fsm_build_handle_timeout (& FSM_PASTE_EXPAND (fsm_, FSM_NAME)) - -/** Transform an event in uint16_t. */ -#define FSM_EVENT(fsm_name, event) fsm_build_get_event_code (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), #event) - -/** Handle event from uint16_t. */ -#define FSM_HANDLE_VAR(fsm, event) fsm_build_handle_integer (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), event) - -/* Can we handle event from uint16_t ? */ -#define FSM_CAN_HANDLE_VAR(fSM, event) fsm_build_can_handle_integer (& FSM_PASTE_EXPAND (fsm_, FSM_NAME), event) - -/** - * Parse a string who contains a list of arguments seperated by comma. - * It will create and store each parameters (without space and ") in an array - * and give the number of parsed arguments. - * \param string string to parse - * \param tab pointer to a table of strings where to store the array - * \param nb pointer where to store the number of parsed arguments - */ -void -fsm_build_arg_parse (char *string, char ***tab, int *nb); - -/** - * Free an array of strings generated by fsm_build_arg_parse. - * \param tab pointer to the array of strings - * \param nb number of arguments stored in the array. - */ -void -fsm_build_arg_free (char ***tab, int nb); - -/** - * This function is executed when a state is returned by a transition. - * \param fsm fsm - * \param trans transition where the return occurs - * \param branch branch to transition has chosen. - */ -void -fsm_build_print (fsm_build_t *fsm, - fsm_build_trans_t* trans, - fsm_build_branch_chain_t* branch); - -/** - * Test the fsm and search for errors. - */ -void -fsm_build_sanity_check (fsm_build_t *fsm); - -/** Reset the fsm to it's initial state. */ -void -fsm_build_reset (fsm_build_t *fsm); - -/** Generate the dot file of the actual fsm state. */ -void -fsm_build_gen_dot (fsm_build_t *fsm); - -/** Initialize the fsm. */ -void -fsm_build_init (fsm_build_t *fsm, char *name); - -/** Initialize the running data of the fsm. */ -void -fsm_build_run_init (fsm_build_t *fsm); - -/** - * Add some states to the fsm. - * \param fsm fsm - * \param states states separated by comma - **/ -void -fsm_build_states (fsm_build_t *fsm, char *states); - -/** - * Add some events to the fsm. - * \param fsm fsm - * \param events events separated by comma - **/ -void -fsm_build_events (fsm_build_t *fsm, char *events); - -/** Get event's pointer by giving it's name. */ -fsm_build_event_t* -fsm_build_get_event (fsm_build_t *fsm, char *event); - -/** Get state's pointer by giving it's name. */ -fsm_build_state_t* -fsm_build_get_state (fsm_build_t *fsm, char *state); - -/** Get event's pointer by giving it's code. */ -fsm_build_event_t* -fsm_build_get_event_by_code (fsm_build_t *fsm, uint event); - -/** Get state's pointer by giving it's code. */ -fsm_build_state_t* -fsm_build_get_state_by_code (fsm_build_t *fsm, uint state); - -/** Get event code as uint16_t */ -uint16_t -fsm_build_get_event_code (fsm_build_t *fsm, char *event); - -/** - * Add a transition to the fsm. - * \param fsm fsm - * \param state state who will be active for the transition - * \param event event to react - * \param output_branches list of output branches seperated by comma or a - * single state (if there is only one branche). - * For example: - * - If the transition return a single state, it will be "stateX" - * - If the transition can return different states, it will be - * "branch1, state1, branch2, state2, branch3, state3" [...] - * \param trans_func pointer to the transition function. - */ -void -fsm_build_trans (fsm_build_t *fsm, - char *state, - char *event, - char *output_branches, - fsm_build_run_strans_func_t trans_func); - -/* Create transition based on a timeout. - * \param fsm fsm - * \param state state who times out - * \param event name of the timeout (specific to this state and described in macro) - * \param timeout value of timeout - */ -void -fsm_build_timeout (fsm_build_t *fsm, char *state, char *event, uint timeout); - -/** - * Define with which states the fsm will start. - * \param fsm fsm - * \param starters list of states seperated by comma - */ -void -fsm_build_start_with (fsm_build_t *fsm, char *starters); - -/** Handle an event by the fsm. - * \param fsm fsm - * \param event event to handle with fsm - * \return zero if event is not handled at all, one otherwise - **/ -int -fsm_build_handle (fsm_build_t *fsm, fsm_build_event_t *event); -int -fsm_build_handle_string (fsm_build_t *fsm, char *event); -int -fsm_build_handle_integer (fsm_build_t *fsm, uint16_t event); - -/** - * Say if the event can be handled or not. - * \param fsm fsm - * \param event event to test with the fsm - * \return zero if the event can be handled, non-zero otherwhise - */ -int -fsm_build_can_handle (fsm_build_t *fsm, fsm_build_event_t *event); -int -fsm_build_can_handle_string (fsm_build_t *fsm, char *event); -int -fsm_build_can_handle_integer (fsm_build_t *fsm, uint16_t event); - -/** - * Handle timeout events of the fsm. - * \param fsm fsm - * \return one if an event has been handled, zero otherwise - */ -int -fsm_build_handle_timeout (fsm_build_t *fsm); - -/** Give the state at the transition output. */ -fsm_build_state_t* -fsm_build_get_next_state (fsm_build_t *fsm, - char *state, - char *event, - char *branch); - -/** Generate header file for target which provides more optimised version of - * fsm execution - * \param arch specify generated architecture - * \param embedded_strings ask to embed states and events strings (0 = not - * embedded) - */ -void -fsm_build_gen (char *arch, uint embedded_strings); -void -fsm_build_gen_avr_h (fsm_build_t *fsm, uint embedded_strings); -void -fsm_build_gen_avr_c (fsm_build_t *fsm, uint embedded_strings); - -/** Free fsm allocated data. */ -void -fsm_build_free (fsm_build_t *fsm); - -#endif /* Architectures */ - -#endif /* #ifdef _FSM_GEN_ */ diff --git a/digital/io/src/fsm.host.c b/digital/io/src/fsm.host.c deleted file mode 100644 index bf8b761d..00000000 --- a/digital/io/src/fsm.host.c +++ /dev/null @@ -1,1571 +0,0 @@ -/* - AngFSM - AngFSM - Almost Non Generated Finite State Machine - - Copyright 2011 Jerome Jutteau - -Contact: - * email: j.jutteau _AT_ gmail _DOT_ com - * website: http://fuu.im/angfsm/ - - This file is part of AngFSM. - - AngFSM is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - AngFSM is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with AngFSM. If not, see . - */ - -#include "fsm.h" - -#include -#include -#include -#include - -void -fsm_build_arg_parse (char *string, char ***tab, int *nb) -{ - long i = 0; - long buff_cnt = 0; - char *buff; - int nb_cur = 0; - int param = 0; - - assert (string && tab && nb); - if (strlen (string) == 0) - { - *nb = 0; - **tab = NULL; - return; - } - buff = strdup (string); - - /* Count. */ - *nb = 1; - for (i = 0; string[i] != '\0'; i++) - if (string[i] == ',') - (*nb)++; - *tab = (char **) malloc ((*nb) * sizeof (char *)); - - /* Fill. */ - for (i = 0; i < (long) strlen (string) + 1; i++) - { - if (string[i] == ',' || string[i] == '\0') - { - param = 0; - buff[buff_cnt] = '\0'; - (*tab)[nb_cur] = strdup (buff); - buff_cnt=0; - nb_cur++; - } - else if (string[i] != '"' && string[i] != ' ') - { - if (param == 0) - param = 1; - if (param == 2) - printf ("Parse error in \"%s\"\n", string); - buff[buff_cnt++] = string[i]; - } - else if (string[i] == ' ') - { - if (param == 1) - param = 2; - } - } - free (buff); -} - -void -fsm_build_arg_free (char ***tab, int nb) -{ - assert (*tab); - int i; - for (i = 0; i < nb; i++) - { - assert ((*tab)[i]); - free ((*tab)[i]); - } - free (*tab); -} - -void -fsm_build_print (fsm_build_t *fsm, - fsm_build_trans_t *trans, - fsm_build_branch_chain_t *branch) -{ - //XXX What to do here ? - if (branch->name == NULL) - fprintf (stderr, "Transition: %s -- %s --> %s\n", - trans->state->var_name, - trans->event->var_name, - branch->state->var_name); - else - fprintf (stderr, "Transition: %s -- %s --> %s (%s)\n", - trans->state->var_name, - trans->event->var_name, - branch->name, - branch->state->var_name); -} - -void -fsm_build_sanity_check (fsm_build_t *fsm) -{ - fsm_build_event_chain_t *ec; - fsm_build_event_chain_t *ec_tmp; - fsm_build_state_chain_t *sc; - fsm_build_state_chain_t *sc_tmp; - fsm_build_trans_chain_t *tc; - fsm_build_trans_chain_t *tc_tmp; - fsm_build_branch_chain_t *bc; - uint b; - - /* Sanity check 1: are all states has a different name ? */ - sc = fsm->states; - while (sc != NULL) - { - sc_tmp = fsm->states; - while (sc_tmp != NULL) - { - if (sc != sc_tmp - && strcmp (sc->state.var_name, sc_tmp->state.var_name) - == 0) - assert (!"All states must have a different name."); - sc_tmp = sc_tmp->next; - } - sc = sc->next; - } - - /* Sanity check 2: are all events has a different name ? */ - ec = fsm->events; - while (ec != NULL) - { - ec_tmp = fsm->events; - while (ec_tmp != NULL) - { - if (ec != ec_tmp - && strcmp (ec->event.var_name, ec_tmp->event.var_name) - == 0) - assert (!"All events must have a different name."); - ec_tmp = ec_tmp->next; - } - ec = ec->next; - } - - /* Sanity check 3: are all events used in a transition ? */ - ec = fsm->events; - while (ec != NULL) - { - b = 0; - tc = fsm->trans; - while (tc != NULL) - { - if (&ec->event == tc->trans.event) - { - b = 1; - break; - } - tc = tc->next; - } - if (!b) - fprintf (stderr, "Warning, some events are not used in a transition (%s).\n", - ec->event.var_name); - ec = ec->next; - } - - /* Sanity check 4: are all states used in a transition ? */ - sc = fsm->states; - while (sc != NULL) - { - b = 0; - tc = fsm->trans; - while (tc != NULL) - { - if (&sc->state == tc->trans.state) - { - b = 1; - break; - } - /* This state may be a final state. */ - bc = tc->trans.output_branches; - while (bc != NULL) - { - if (&sc->state == bc->state) - { - b = 1; - break; - } - bc = bc->next; - } - - tc = tc->next; - } - if (!b) - fprintf (stderr, "Warning, some states are not used in a transition (%s).\n", - sc->state.var_name); - sc = sc->next; - } - - /* Sanity check 5: are all states can be reached during execution ? */ - fsm_build_state_chain_t *stack = NULL; - fsm_build_state_chain_t *tail = NULL; - uint i; - /* Initialise check array. */ - uint *check_tab = malloc (fsm->state_nb * sizeof (uint)); - memset (check_tab, 0, fsm->state_nb * sizeof (uint)); - /* Initialize by adding first active states the stack. */ - sc = fsm->starters; - while (sc != NULL) - { - sc_tmp = (fsm_build_state_chain_t *) - malloc (sizeof (fsm_build_state_chain_t)); - sc_tmp->state = sc->state; - if (stack == NULL) - stack = sc_tmp; - if (tail != NULL) - tail->next = sc_tmp; - sc_tmp->next = NULL; - tail = sc_tmp; - sc = sc->next; - } - /* Get next states from the stack and check them. */ - while (stack != NULL) - { - /* Check state. */ - check_tab[stack->state.code] = 1; - /* Add to the tail of the stack th next states if they are not checked - * yet. */ - tc = fsm->trans; - while (tc != NULL) - { - if (tc->trans.state->code == stack->state.code) - { - bc = tc->trans.output_branches; - while (bc != NULL) - { - if (!check_tab[bc->state->code]) - { - check_tab[bc->state->code] = 1; - /* Add at the end of the stack. */ - sc_tmp = (fsm_build_state_chain_t *) - malloc (sizeof (fsm_build_state_chain_t)); - sc_tmp->state = *bc->state; - sc_tmp->next = NULL; - tail->next = sc_tmp; - tail = sc_tmp; - } - bc = bc->next; - } - } - tc = tc->next; - } - sc_tmp = stack->next; - free (stack); - stack = sc_tmp; - } - /* Check if some states are not reached. */ - for (i = 0; i < fsm->state_nb; i++) - if (!check_tab[i]) - fprintf (stderr, "Warning, some states won't be reachable during execution (%s).\n", - fsm_build_get_state_by_code (fsm, i)->var_name); - /* Free. */ - free (check_tab); - - /* Sanity check 6: Any transition how have the same state and same event ? - * Useless test ? Making the same state/event couple will cause a - * compilation error. - */ - tc = fsm->trans; - while (tc != NULL) - { - tc_tmp = fsm->trans; - while (tc_tmp != NULL) - { - if (tc != tc_tmp - && tc->trans.state == tc_tmp->trans.state - && tc->trans.event == tc_tmp->trans.event) - assert (!"All transitions must have a different state/event\ - couple."); - tc_tmp = tc_tmp->next; - } - tc = tc->next; - } - - /* Sanity check 7: check that all first active states are unique. */ - sc = fsm->starters; - while (sc != NULL) - { - uint b = 0; - sc_tmp = fsm->starters; - while (sc_tmp != NULL) - { - if (sc_tmp->state.code == sc->state.code) - b++; - if (b > 1) - assert (!"Your first active states must be unique."); - sc_tmp = sc_tmp->next; - } - sc = sc->next; - } - - /* Sanity check 8: any transition output error ? - * for example, as we are in state s42, making a FSM_NEXT (s1, e2) will - * work but this is a user's mistake. - * - * TODO Find a way to check this. - **/ -} - -void -fsm_build_reset (fsm_build_t *fsm) -{ - uint i; - fsm_build_state_chain_t *curs = fsm->starters; - for (i = 0; i < fsm->max_active_states; i++) - { - fsm->run.active_states[i] = NULL; - fsm->run.events_before_active_state[i] = NULL; - } - i = 0; - while (curs != NULL) - { - fsm->run.active_states[i++] = &curs->state; - curs = curs->next; - } -} - -void -fsm_build_gen_dot (fsm_build_t *fsm) -{ - static uint cpt = 1; - uint j; - fsm_build_trans_chain_t *tc; - fsm_build_branch_chain_t *bc; - - uint fns = strlen (fsm->name) + strlen ("dot__.dot") + cpt + 1; - char *fn = malloc (fns * sizeof (char)); - snprintf (fn, fns, "dot_%s_%u.dot", fsm->name, cpt++); - FILE *f = fopen(fn,"w"); - - /* Gen graph. */ - fprintf (f, "digraph %s {\n", fsm->name); - tc = fsm->trans; - while (tc != NULL) - { - bc = tc->trans.output_branches; - while (bc != NULL) - { - fprintf (f, "\t%s -> %s [label=\"%s", - tc->trans.state->var_name, - bc->state->var_name, - tc->trans.event->var_name); - if (bc->name != NULL) - fprintf (f, " (%s)", bc->name); - fprintf (f, "\""); - /* If the next state is an active state we look if this this event - * was handled before. */ - for (j = 0; j < fsm->max_active_states; j++) - if (fsm->run.active_states[j] - && fsm->run.active_states[j]->code == bc->state->code) - if (fsm->run.events_before_active_state[j] - && fsm->run.events_before_active_state[j]->code - == tc->trans.event->code) - fprintf (f, ", color=red"); - - fprintf (f, "];\n"); - bc = bc->next; - } - tc = tc->next; - } - /* Colorise active states. */ - for (j = 0; j < fsm->max_active_states; j++) - if (fsm->run.active_states[j]) - fprintf (f, "\t%s [color=blue, fontcolor=white, style=filled];\n", - fsm->run.active_states[j]->var_name); - - fprintf (f, "}\n\n"); - - /* Close file. */ - fclose (f); - - /* Free. */ - free (fn); -} - -/* All fsm. */ -fsm_build_chain_t *fsm_build_all_fsm; -void fsm_build_init_all_fsm () -{ - fsm_build_all_fsm = NULL; -} - -/* Just initialise structures. */ -void -fsm_build_init (fsm_build_t *fsm, char *name) -{ - assert (fsm); - fsm->events = NULL; - fsm->states = NULL; - fsm->trans = NULL; - fsm->name = name; - fsm->max_active_states = 0; - fsm->event_nb = 0; - fsm->state_nb = 0; - fsm->starters = NULL; - fsm->timeouts = NULL; - - fsm->run.trans_table = NULL; - fsm->run.active_states = NULL; - fsm->run.events_before_active_state = NULL; - fsm->run.func_pool = NULL; - fsm->run.timeout_counters = NULL; - - /* Store fsm. */ - fsm_build_chain_t *niou = (fsm_build_chain_t *) - malloc (sizeof (fsm_build_chain_t)); - niou->fsm = fsm; - niou->next = fsm_build_all_fsm; - fsm_build_all_fsm = niou; -} - -/* Prepare the fsm to run (at very end). */ -void -fsm_build_run_init (fsm_build_t *fsm) -{ - uint i,j; - - /* Sanity check. */ - fsm_build_sanity_check (fsm); - - /* Create empty transition table. */ - fsm->run.trans_table = (fsm_build_run_strans_func_t **) - malloc (fsm->event_nb * sizeof (fsm_build_run_strans_func_t *)); - for (i = 0; i < fsm->event_nb; i++) - { - fsm->run.trans_table[i] = (fsm_build_run_strans_func_t *) - malloc (fsm->state_nb * sizeof (fsm_build_run_strans_func_t)); - for (j = 0; j < fsm->state_nb; j++) - fsm->run.trans_table[i][j] = NULL; - } - - /* Fill with transitions. */ - fsm_trans_func_chain_t *fc = fsm->run.func_pool; - while (fc != NULL) - { - fsm->run.trans_table[fc->trans.event->code][fc->trans.state->code] = - fc->func; - fc = fc->next; - } - - /* Free function pool. */ - fsm_trans_func_chain_t *old_fc; - fc = fsm->run.func_pool; - while (fc != NULL) - { - old_fc = fc; - fc = fc->next; - free (old_fc); - } - fsm->run.func_pool = NULL; - - /* Initialize active states. */ - fsm->run.active_states = (fsm_build_state_t **) malloc - (fsm->max_active_states * sizeof (fsm_build_state_t *)); - for (i = 0; i < fsm->max_active_states; i++) - fsm->run.active_states[i] = NULL; - fsm_build_state_chain_t *s = fsm->starters; - i = 0; - while (s != NULL) - { - fsm->run.active_states[i++] = &s->state; - s = s->next; - } - - /* Initialize last events before active states. */ - fsm->run.events_before_active_state = (fsm_build_event_t **) malloc - (fsm->max_active_states * sizeof (fsm_build_event_t *)); - for (i = 0; i < fsm->max_active_states; i++) - fsm->run.events_before_active_state[i] = NULL; - - /* Initialize timeout counters. */ - fsm->run.timeout_counters = (int *) - malloc (fsm->max_active_states * sizeof (int)); - for (i = 0; i < fsm->max_active_states; i++) - fsm->run.timeout_counters[i] = -1; - fsm_build_timeout_chain_t *toc = fsm->timeouts; - for (i = 0; i < fsm->max_active_states; i++) - while (toc != NULL) - { - if (fsm->run.active_states[i]->code - == toc->timeout.trans->state->code) - fsm->run.timeout_counters[i] = toc->timeout.timeout; - toc = toc->next; - } -} - -void -fsm_build_states (fsm_build_t *fsm, char *states) -{ - fsm_build_state_chain_t *head = fsm->states; - char **args; - int i, nb; - - fsm_build_arg_parse (states, &args, &nb); - for (i = 0; i < nb; i++) - { - fsm_build_state_chain_t *s = (fsm_build_state_chain_t *) - malloc (sizeof (fsm_build_state_chain_t)); - s->state.var_name = strdup (args[i]); - s->state.code = fsm->state_nb++; - s->next = head; - head = s; - } - fsm_build_arg_free (&args, nb); - fsm->states = head; -} - -void -fsm_build_events (fsm_build_t *fsm, char *events) -{ - fsm_build_event_chain_t *head = fsm->events; - char **args; - int i, nb; - - if (strcmp (events, "_TIMEOUT_") == 0 - && fsm_build_get_event (fsm, events) != NULL) - return; - fsm_build_arg_parse (events, &args, &nb); - for (i = 0; i < nb; i++) - { - fsm_build_event_chain_t *e = (fsm_build_event_chain_t *) - malloc (sizeof (fsm_build_event_chain_t)); - e->event.var_name = strdup (args[i]); - e->event.code = fsm->event_nb++; - e->next = head; - head = e; - } - fsm_build_arg_free (&args, nb); - fsm->events = head; -} - -fsm_build_event_t * -fsm_build_get_event (fsm_build_t *fsm, char *event) -{ - fsm_build_event_chain_t *curs = fsm->events; - while (curs != NULL) - { - if (strcmp (curs->event.var_name, event) == 0) - return &(curs->event); - curs = curs->next; - } - return NULL; -} - -fsm_build_state_t * -fsm_build_get_state (fsm_build_t *fsm, char *state) -{ - fsm_build_state_chain_t *curs = fsm->states; - while (curs != NULL) - { - if (strcmp (curs->state.var_name, state) == 0) - return &(curs->state); - curs = curs->next; - } - return NULL; -} - -fsm_build_event_t* -fsm_build_get_event_by_code (fsm_build_t *fsm, uint event) -{ - fsm_build_event_chain_t *curs = fsm->events; - while (curs != NULL) - { - if (curs->event.code == event) - return &(curs->event); - curs = curs->next; - } - return NULL; -} - -fsm_build_state_t* -fsm_build_get_state_by_code (fsm_build_t *fsm, uint state) -{ - fsm_build_state_chain_t *curs = fsm->states; - while (curs != NULL) - { - if (curs->state.code == state) - return &(curs->state); - curs = curs->next; - } - return NULL; -} - -uint16_t -fsm_build_get_event_code (fsm_build_t *fsm, char *event) -{ - assert (fsm); - fsm_build_event_t *e = fsm_build_get_event (fsm, event); - assert (e); - return e->code; -} - -void -fsm_build_trans (fsm_build_t *fsm, - char *state, - char *event, - char *output_branches, - fsm_build_run_strans_func_t trans_func) -{ - fsm_build_trans_t t; - fsm_build_branch_chain_t *b; - char **args; - int i, nb; - - t.output_branches = NULL; - /* Check state and event exists. */ - t.state = fsm_build_get_state (fsm, state); - t.event = fsm_build_get_event (fsm, event); - assert (t.state); - assert (t.event); - - fsm_build_arg_parse (output_branches, &args, &nb); - /* Only one output state. */ - if (nb == 1) - { - t.output_branches = (fsm_build_branch_chain_t *) - malloc (sizeof (fsm_build_branch_chain_t)); - t.output_branches->name = NULL; - t.output_branches->state = fsm_build_get_state (fsm, args[0]); - assert (t.output_branches->state); - t.output_branches->next = NULL; - } - else - for (i = 0; i < nb; i = i + 2) - { - b = (fsm_build_branch_chain_t *) - malloc (sizeof (fsm_build_branch_chain_t)); - b->name = strdup (args[i]); - b->state = fsm_build_get_state (fsm, args[i+1]); - assert (b->state); - b->next = t.output_branches; - t.output_branches = b; - } - fsm_build_arg_free (&args, nb); - - /* Add trans to fsm. */ - fsm_build_trans_chain_t *tc = (fsm_build_trans_chain_t *) - malloc (sizeof (fsm_build_trans_chain_t)); - tc->trans = t; - tc->next = fsm->trans; - fsm->trans = tc; - - /* Add trans function to run context. */ - fsm_trans_func_chain_t *fc = (fsm_trans_func_chain_t *) - malloc (sizeof (fsm_trans_func_chain_t)); - fc->func = trans_func; - fc->trans = tc->trans; - fc->next = fsm->run.func_pool; - fsm->run.func_pool = fc; -} - -void -fsm_build_timeout (fsm_build_t *fsm, char *state, char *event, uint timeout) -{ - fsm_build_trans_chain_t *tc = NULL; - fsm_build_trans_t *t = NULL; - fsm_build_state_t *s = NULL; - fsm_build_event_t *e = NULL; - fsm_build_timeout_chain_t *to = NULL; - - assert (fsm); - assert (state); - assert (event); - - /* Find the corresponding transition. */ - tc = fsm->trans; - s = fsm_build_get_state (fsm, state); - e = fsm_build_get_event (fsm, event); - assert (tc); - assert (s); - assert (e); - while (tc != NULL) - { - if (tc->trans.state == s && tc->trans.event == e) - { - t = &tc->trans; - break; - } - tc = tc->next; - } - assert (t); - - /* Fill a new timeout. */ - to = (fsm_build_timeout_chain_t *) - malloc (sizeof (fsm_build_timeout_chain_t)); - to->timeout.timeout = timeout; - to->timeout.trans = t; - - /* Add timeout to chain. */ - to->next = fsm->timeouts; - fsm->timeouts = to; -} - -void -fsm_build_start_with (fsm_build_t *fsm, char *starters) -{ - char **args; - int nb, i; - fsm_build_arg_parse (starters, &args, &nb); - fsm->max_active_states += nb; - for (i=0; i < nb; i++) - { - fsm_build_state_chain_t *sc = (fsm_build_state_chain_t *) - malloc (sizeof (fsm_build_state_chain_t)); - fsm_build_state_t *s = fsm_build_get_state (fsm, args[i]); - assert (s); - sc->state = *s; - sc->next = fsm->starters; - fsm->starters = sc; - } - fsm_build_arg_free (&args, nb); -} - -int -fsm_build_handle (fsm_build_t *fsm, fsm_build_event_t *e) -{ - fsm_build_state_t *s = NULL; - fsm_build_timeout_chain_t *toc = NULL; - assert (e); - uint i; - int handled = 0; - for (i = 0; i < fsm->max_active_states; i++) - { - s = fsm->run.active_states[i]; - if (s && fsm->run.trans_table[e->code][s->code]) - { - fsm->run.events_before_active_state[i] = e; - fsm->run.active_states[i] = fsm->run.trans_table[e->code][s->code](); - /* Check the new state has a timeout or not. */ - toc = fsm->timeouts; - fsm->run.timeout_counters[i] = -1; - while (toc != NULL) - { - if (toc->timeout.trans->state->code - == fsm->run.active_states[i]->code) - { - fsm->run.timeout_counters[i] = toc->timeout.timeout; - break; - } - toc = toc->next; - } - - handled = 1; - } - } - return handled; -} - -int -fsm_build_handle_string (fsm_build_t *fsm, char *event) -{ - fsm_build_event_t *e = fsm_build_get_event (fsm, event); - return fsm_build_handle (fsm, e); -} - -int -fsm_build_handle_integer (fsm_build_t *fsm, uint16_t event) -{ - fsm_build_event_t *e = fsm_build_get_event_by_code (fsm, event); - return fsm_build_handle (fsm, e); -} - -int -fsm_build_can_handle (fsm_build_t *fsm, fsm_build_event_t *e) -{ - fsm_build_state_t *s = NULL; - assert (e); - uint i; - for (i = 0; i < fsm->max_active_states; i++) - { - s = fsm->run.active_states[i]; - if (s && fsm->run.trans_table[e->code][s->code]) - return 1; - } - return 0; -} - -int -fsm_build_can_handle_string (fsm_build_t *fsm, char *event) -{ - fsm_build_event_t *e = fsm_build_get_event (fsm, event); - return fsm_build_can_handle (fsm, e); -} - -int -fsm_build_can_handle_integer (fsm_build_t *fsm, uint16_t event) -{ - fsm_build_event_t *e = fsm_build_get_event_by_code (fsm, event); - return fsm_build_can_handle (fsm, e); -} - -int -fsm_build_handle_timeout (fsm_build_t *fsm) -{ - int out = 0; - int i; - char *event = NULL; - for (i = 0; i < (int) fsm->max_active_states; i++) - { - if (fsm->run.timeout_counters[i] > 0) - fsm->run.timeout_counters[i]--; - /* We have a timeout event. */ - if (fsm->run.timeout_counters[i] == 0) - { - fsm->run.timeout_counters[i] = -1; - /* build event string */ - event = (char *) malloc ( - (strlen (fsm->run.active_states[i]->var_name) - + strlen ("_TIMEOUT") + 1) * sizeof (char)); - sprintf (event, "%s_TIMEOUT", fsm->run.active_states[i]->var_name); - fsm_build_handle_string (fsm, event); - out = 1; - } - } - return out; -} - -fsm_build_state_t* -fsm_build_get_next_state (fsm_build_t *fsm, - char *state, - char *event, - char *branch) -{ - fsm_build_state_t *s; - fsm_build_event_t *e; - fsm_build_trans_chain_t *t_curs; - fsm_build_branch_chain_t *b_curs; - - /* Convert input data. */ - s = fsm_build_get_state (fsm, state); - e = fsm_build_get_event (fsm, event); - assert (s && e); - - /* Get transition. */ - t_curs = fsm->trans; - while (t_curs != NULL) - { - if (s == t_curs->trans.state && e == t_curs->trans.event) - break; - t_curs = t_curs->next; - } - assert (t_curs); - assert (t_curs->trans.output_branches); - - /* If we have only one branch. */ - if (strlen (branch) == 0) - { - /* Branch has to be given is there are multiple branches. */ - assert (t_curs->trans.output_branches->next == NULL); - fsm_build_print (fsm, &t_curs->trans, t_curs->trans.output_branches); - return t_curs->trans.output_branches->state; - } - - /* Find correct branch. */ - b_curs = t_curs->trans.output_branches; - while (b_curs != NULL) - { - if (strcmp (b_curs->name, branch) == 0) - break; - b_curs = b_curs->next; - } - assert (b_curs); - fsm_build_print (fsm, &t_curs->trans, b_curs); - return b_curs->state; -} - -void -fsm_build_gen_avr_h (fsm_build_t *fsm, uint embedded_strings) -{ - fsm_build_state_chain_t *sc; - fsm_build_event_chain_t *ec; - fsm_build_trans_chain_t *tc; - fsm_build_branch_chain_t *bc; - fsm_build_state_t *s; - fsm_build_event_t *e; - fsm_build_chain_t *all_fsm; - uint i, j; - - /* Open file. */ - char *fn = (char *) malloc ((strlen (fsm->name) - + strlen ("fsm_gen_.h") + 1) * sizeof (char)); - sprintf (fn, "fsm_%s_gen.h", fsm->name); - FILE *f = fopen (fn, "w"); - - /* Introduction. */ - fprintf (f, "/* This file has been generated, do not edit. */\n\n"); - fprintf (f, "#ifndef _FSM_%s_\n", fsm->name); - fprintf (f, "#define _FSM_%s_\n\n", fsm->name); - fprintf (f, "#include \n"); - fprintf (f, "#include \n\n"); - - /* Include all other fsm headers. */ - all_fsm = fsm_build_all_fsm; - while (all_fsm != NULL) - { - fprintf (f, "#include \"fsm_%s_gen.h\"\n",all_fsm->fsm->name); - all_fsm = all_fsm->next; - } - - /* Gen max active states define */ - fprintf (f, "#define fsm_%s_max_active_states %u\n", - fsm->name, - fsm->max_active_states); - - /* Gen state enum. */ - fprintf (f, "typedef enum\n{\n"); - sc = fsm->states; - while (sc != NULL) - { - fprintf (f, "\tFSM_STATE_%s_%s = %u,\n", fsm->name, sc->state.var_name, sc->state.code); - sc = sc->next; - } - fprintf (f, "\tFSM_STATE_%s_NB_ = %u\n", fsm->name, fsm->state_nb); - fprintf (f, "} fsm_%s_state_t;\n\n", fsm->name); - - /* Gen event enum. */ - fprintf (f, "typedef enum\n{\n"); - ec = fsm->events; - while (ec != NULL) - { - fprintf (f, "\tFSM_EVENT_%s_%s = %u,\n", fsm->name, ec->event.var_name, ec->event.code); - ec = ec->next; - } - fprintf (f, "\tFSM_EVENT_%s_NB_ = %u\n", fsm->name, fsm->event_nb); - fprintf (f, "} fsm_%s_event_t;\n\n", fsm->name); - - /* Gen state strings. */ - if (embedded_strings) - { - sc = fsm->states; - while (sc != NULL) - { - fprintf (f, "extern prog_char fsm_%s_state_str_%s[%u] PROGMEM;\n", - fsm->name, - sc->state.var_name, - strlen (sc->state.var_name) + 1); - sc = sc->next; - } - fprintf (f, "extern const char *fsm_%s_state_str[%u] PROGMEM;\n\n", - fsm->name, - fsm->state_nb); - - /* Gen event strings. */ - ec = fsm->events; - while (ec != NULL) - { - fprintf (f, "extern prog_char fsm_%s_event_str_%s[%u] PROGMEM;\n", - fsm->name, - ec->event.var_name, - strlen (ec->event.var_name) + 1); - ec = ec->next; - } - fprintf (f, "extern const char *fsm_%s_event_str[%u] PROGMEM;\n\n", - fsm->name, - fsm->event_nb); - - /* Create a RAM string able to store event or state string. */ - j = 0; - for (i = 0; i < fsm->event_nb; i++) - { - e = fsm_build_get_event_by_code (fsm, i); - if (strlen (e->var_name) > j) - j = strlen (e->var_name); - } - for (i = 0; i < fsm->state_nb; i++) - { - s = fsm_build_get_state_by_code (fsm, i); - if (strlen (s->var_name) > j) - j = strlen (s->var_name); - } - fprintf (f, "extern char fsm_%s_str_buff[%u];\n", fsm->name, j + 1); - - /* Convert an event enum in string. */ - fprintf (f, "char *\nfsm_%s_get_event_string_from_enum \ - (fsm_%s_event_t e);\n", fsm->name, fsm->name); - - /* Convert a event string in enum. */ - fprintf (f, "fsm_%s_event_t\nfsm_%s_get_event_enum_from_string \ - (char *str);\n", fsm->name, fsm->name); - - /* Convert an state enum in string. */ - fprintf (f, "char *\nfsm_%s_get_state_string_from_enum \ - (fsm_%s_state_t s);\n", fsm->name, fsm->name); - - /* Convert a state string in enum. */ - fprintf (f, "fsm_%s_state_t\nfsm_%s_get_state_enum_from_string \ - (char *str);\n", fsm->name, fsm->name); - } - - /* Gen transitions branches enum. */ - fprintf (f, "typedef enum\n{\n"); - tc = fsm->trans; - while (tc != NULL) - { - bc = tc->trans.output_branches; - while (bc != NULL) - { - if (bc->name != NULL) - fprintf (f, "\tFSM_BRANCH_%s_%s_%s_%s = %u,\n", - fsm->name, - tc->trans.state->var_name, - tc->trans.event->var_name, - bc->name, - bc->state->code); - else - fprintf (f, "\tFSM_BRANCH_%s_%s_%s_ = %u,\n", - fsm->name, - tc->trans.state->var_name, - tc->trans.event->var_name, - bc->state->code); - bc = bc->next; - } - tc = tc->next; - } - fprintf (f, "} fsm_%s_branch_t;\n\n", fsm->name); - - /* Gen function headers. */ - tc = fsm->trans; - while (tc != NULL) - { - fprintf (f, "fsm_%s_branch_t fsm_%s_trans_func_%s_%s (void);\n", - fsm->name, - fsm->name, - tc->trans.state->var_name, - tc->trans.event->var_name); - tc = tc->next; - } - fprintf (f, "\n"); - - /* Gen function table. */ - fprintf (f, "typedef fsm_%s_branch_t (*fsm_%s_func_t)(void);\n", fsm->name, - fsm->name); - fprintf (f, "extern const fsm_%s_func_t PROGMEM fsm_%s_trans_table[%u][%u];\n\n", - fsm->name, - fsm->name, - fsm->event_nb, - fsm->state_nb); - - /* Gen active states array. */ - fprintf (f, "extern fsm_%s_state_t fsm_%s_active_states[%u];\n\n", - fsm->name, - fsm->name, - fsm->max_active_states); - - /* Gen initialization function. */ - sc = fsm->starters; - i = 0; - fprintf (f, "void\nfsm_%s_init () __attribute__ ((constructor));\n\n", - fsm->name); - - /* Gen handle function. */ - fprintf (f, "int\nfsm_%s_handle (fsm_%s_event_t e);\n", - fsm->name, - fsm->name); - - /* Gen can handle function. */ - fprintf (f, "uint16_t\nfsm_%s_can_handle (fsm_%s_event_t e);\n\n", - fsm->name, - fsm->name); - - if (fsm->timeouts != NULL) - { - /* Gen handle timeout function. */ - fprintf (f, "int\nfsm_%s_handle_timeout ();\n", - fsm->name); - - /* Gen timeout values. */ - fprintf (f, "extern int32_t fsm_%s_timeout_values[FSM_STATE_%s_NB_];\n", - fsm->name, - fsm->name); - - /* Gen timeout corresponding events. */ - fprintf (f, "extern fsm_%s_event_t fsm_%s_timeout_events[FSM_STATE_%s_NB_];\n", - fsm->name, - fsm->name, - fsm->name); - - /* Gen timeout counters array. */ - fprintf (f, "extern int32_t fsm_%s_timeout_counters[%u];\n\n", - fsm->name, - fsm->max_active_states); - } - - /* Conclusion. */ - fprintf (f, "#endif /* #ifndef _FSM_%s_ */", fsm->name), - - /* Close file. */ - fclose (f); - - /* Free. */ - free (fn); -} - -void -fsm_build_gen_avr_c (fsm_build_t *fsm, uint embedded_strings) -{ - fsm_build_state_chain_t *sc; - fsm_build_event_chain_t *ec; - fsm_build_trans_chain_t *tc; - fsm_build_timeout_chain_t *toc; - fsm_build_state_t *s; - fsm_build_event_t *e; - uint i, j, found; - - /* Open file. */ - char *fn = (char*) malloc ((strlen (fsm->name) - + strlen ("fsm_gen_.c") + 1) * sizeof (char)); - sprintf (fn, "fsm_%s_gen.c", fsm->name); - FILE *f = fopen (fn, "w"); - - /* Introduction. */ - fprintf (f, "/* This file has been generated, do not edit. */\n\n"); - fprintf (f, "#include \"fsm_%s_gen.h\"\n\n", fsm->name); - - /* Gen state strings. */ - if (embedded_strings) - { - sc = fsm->states; - while (sc != NULL) - { - fprintf (f, "prog_char fsm_%s_state_str_%s[] PROGMEM = \"%s\";\n", - fsm->name, - sc->state.var_name, - sc->state.var_name); - sc = sc->next; - } - fprintf (f, "const char *fsm_%s_state_str[] PROGMEM =\n{\n", fsm->name); - for (i = 0; i < fsm->state_nb; i++) - { - s = fsm_build_get_state_by_code (fsm, i); - fprintf (f, "\tfsm_%s_state_str_%s", fsm->name, s->var_name); - if (i == fsm->state_nb - 1) - fprintf (f, "\n"); - else - fprintf (f, ",\n"); - } - fprintf (f, "};\n\n"); - - /* Gen event strings. */ - ec = fsm->events; - while (ec != NULL) - { - fprintf (f, "prog_char fsm_%s_event_str_%s[] PROGMEM = \"%s\";\n", - fsm->name, - ec->event.var_name, - ec->event.var_name); - ec = ec->next; - } - fprintf (f, "const char *fsm_%s_event_str[] PROGMEM =\n{\n", fsm->name); - for (i = 0; i < fsm->event_nb; i++) - { - e = fsm_build_get_event_by_code (fsm, i); - fprintf (f, "\tfsm_%s_event_str_%s", fsm->name, e->var_name); - if (i == fsm->event_nb - 1) - fprintf (f, "\n"); - else - fprintf (f, ",\n"); - } - fprintf (f, "};\n\n"); - - /* Create a RAM string able to store event or state string. */ - j = 0; - for (i = 0; i < fsm->event_nb; i++) - { - e = fsm_build_get_event_by_code (fsm, i); - if (strlen (e->var_name) > j) - j = strlen (e->var_name); - } - for (i = 0; i < fsm->state_nb; i++) - { - s = fsm_build_get_state_by_code (fsm, i); - if (strlen (s->var_name) > j) - j = strlen (s->var_name); - } - fprintf (f, "char fsm_%s_str_buff[%u];\n", fsm->name, j + 1); - - /* Convert an event enum in string. */ - fprintf (f, "char *\nfsm_%s_get_event_string_from_enum \ - (fsm_%s_event_t e)\n{\n", fsm->name, fsm->name); - fprintf (f, "\treturn strcpy_P (fsm_%s_str_buff, \ - (char *) pgm_read_word (&(fsm_%s_event_str[e])));\n", fsm->name, fsm->name); - fprintf (f, "}\n\n"); - - /* Convert a event string in enum. */ - fprintf (f, "fsm_%s_event_t\nfsm_%s_get_event_enum_from_string \ - (char *str)\n{\n", fsm->name, fsm->name); - fprintf (f, "\tuint16_t i;\n"); - fprintf (f, "\tfor (i = 0; i < FSM_EVENT_%s_NB_; i++)\n", fsm->name); - fprintf (f, "\t\tif (strcpy_P (str, \ - (char *) pgm_read_word (&(fsm_%s_event_str[i]))) == 0)\n", fsm->name); - fprintf (f, "\t\t\treturn i;\n"); - fprintf (f, "\treturn FSM_EVENT_%s_NB_;\n", fsm->name); - fprintf (f, "}\n\n"); - - /* Convert an state enum in string. */ - fprintf (f, "char *\nfsm_%s_get_state_string_from_enum \ - (fsm_%s_state_t s)\n{\n", fsm->name, fsm->name); - fprintf (f, "\treturn strcpy_P (fsm_%s_str_buff, \ - (char *) pgm_read_word (&(fsm_%s_state_str[s])));\n", fsm->name, fsm->name); - fprintf (f, "}\n\n"); - - /* Convert a state string in enum. */ - fprintf (f, "fsm_%s_state_t\nfsm_%s_get_state_enum_from_string \ - (char *str)\n{\n", fsm->name, fsm->name); - fprintf (f, "\tuint16_t i;\n"); - fprintf (f, "\tfor (i = 0; i < FSM_STATE_%s_NB_; i++)\n", fsm->name); - fprintf (f, "\t\tif (strcpy_P (str, \ - (char *) pgm_read_word (&(fsm_%s_state_str[i]))) == 0)\n", fsm->name); - fprintf (f, "\t\t\treturn i;\n"); - fprintf (f, "\treturn FSM_STATE_%s_NB_;\n", fsm->name); - fprintf (f, "}\n\n"); - } - - /* Gen function table. */ - fprintf (f, "const fsm_%s_func_t PROGMEM fsm_%s_trans_table[%u][%u] = \n{\n", - fsm->name, - fsm->name, - fsm->event_nb, - fsm->state_nb); - /* for each events and state, see if it exists an associated transition. */ - for (i = 0; i < fsm->event_nb; i++) - { - e = fsm_build_get_event_by_code (fsm, i); - fprintf (f, "\t{"); - for (j = 0; j < fsm->state_nb; j++) - { - s = fsm_build_get_state_by_code (fsm, j); - tc = fsm->trans; - found = 0; - while (tc != NULL) - { - if (tc->trans.state == s && tc->trans.event == e) - { - found = 1; - fprintf (f, "&fsm_%s_trans_func_%s_%s", - fsm->name, - tc->trans.state->var_name, - tc->trans.event->var_name); - tc = tc->next; - break; - } - tc = tc->next; - } - if (!found) - fprintf (f, "(fsm_%s_func_t) 0", fsm->name); - if (j == fsm->state_nb - 1) - fprintf (f, "}"); - else - fprintf (f, ", "); - } - if (i != fsm->event_nb - 1) - fprintf (f, ","); - fprintf (f, "\n"); - } - fprintf (f, "};\n\n"); - - /* Gen active states array. */ - fprintf (f, "fsm_%s_state_t fsm_%s_active_states[%u];\n\n", - fsm->name, - fsm->name, - fsm->max_active_states); - - /* Gen initialization function. */ - sc = fsm->starters; - i = 0; - fprintf (f, "void\nfsm_%s_init ()\n{\n", fsm->name); - while (sc != NULL) - { - fprintf (f, "\tfsm_%s_active_states[%u] = %u;\n", - fsm->name, - i, - sc->state.code); - if (fsm->timeouts != NULL) - { - toc = fsm->timeouts; - while (toc != NULL) - { - if (toc->timeout.trans->state->code == sc->state.code) - { - fprintf (f, "\tfsm_%s_timeout_counters[%u] = %u;\n", - fsm->name, - i, - toc->timeout.timeout); - } - toc = toc->next; - } - } - i++; - sc = sc->next; - } - fprintf (f, "}\n\n"); - - /* Gen handle function. */ - fprintf (f, "int\nfsm_%s_handle (fsm_%s_event_t e)\n{\n", - fsm->name, - fsm->name); - fprintf (f, "\tuint16_t i;\n"); - fprintf (f, "\tint handled = 0;\n"); - fprintf (f, "\tfor (i = 0; i < fsm_%s_max_active_states; i++)\n\t{\n", - fsm->name); - fprintf (f, "\t\tif (fsm_%s_trans_table[e][fsm_%s_active_states[i]])\n", - fsm->name, - fsm->name); - fprintf (f, "\t\t{\n"); - fprintf (f, "\t\t\tfsm_%s_active_states[i] = \ - fsm_%s_trans_table[e][fsm_%s_active_states[i]]();\n", - fsm->name, - fsm->name, - fsm->name); - fprintf (f, "\t\t\thandled = 1;\n"); - if (fsm->timeouts != NULL) - { - fprintf (f, "\t\t\tfsm_%s_timeout_counters[i] = fsm_%s_timeout_values[e];\n", - fsm->name, - fsm->name); - } - fprintf (f, "\t\t}\n"); - fprintf (f, "\t}\n"); - fprintf (f, "\treturn handled;\n"); - fprintf (f, "}\n\n"); - - /* Gen can handle function. */ - fprintf (f, "uint16_t\nfsm_%s_can_handle (fsm_%s_event_t e)\n{\n", - fsm->name, - fsm->name); - fprintf (f, "\tuint16_t i;\n"); - fprintf (f, "\tfor (i = 0; i < fsm_%s_max_active_states; i++)\n", - fsm->name); - fprintf (f, "\t\tif (fsm_%s_trans_table[e][fsm_%s_active_states[i]])\n", - fsm->name, - fsm->name); - fprintf (f, "\t\t\treturn 1;\n"); - fprintf (f, "\treturn 0;\n"); - fprintf (f, "}\n\n"); - - if (fsm->timeouts != NULL) - { - /* Gen timeout counters array. */ - fprintf (f, "int32_t fsm_%s_timeout_counters[%u];\n", - fsm->name, - fsm->max_active_states); - - /* Gen timeout values array. */ - fprintf (f, "int32_t fsm_%s_timeout_values[FSM_STATE_%s_NB_] =\n{\n", - fsm->name, - fsm->name); - int value; - for (i = 0; i < fsm->state_nb; i++) - { - value = -1; - s = fsm_build_get_state_by_code (fsm, i); - assert (s); - toc = fsm->timeouts; - while (toc != NULL) - { - if (s->code == toc->timeout.trans->state->code) - { - value = toc->timeout.timeout; - break; - } - toc = toc->next; - } - fprintf (f, "\t%i", value); - if (i != fsm->state_nb - 1) - fprintf (f, ","); - fprintf (f, "\n"); - } - fprintf (f, "};\n\n"); - - /* Gen timeout corresponding events array. */ - fprintf (f, "fsm_%s_event_t fsm_%s_timeout_events[FSM_STATE_%s_NB_] =\n{\n", - fsm->name, - fsm->name, - fsm->name); - for (i = 0; i < fsm->state_nb; i++) - { - value = -1; - s = fsm_build_get_state_by_code (fsm, i); - assert (s); - toc = fsm->timeouts; - while (toc != NULL) - { - if (s->code == toc->timeout.trans->state->code) - { - value = toc->timeout.trans->event->code; - break; - } - toc = toc->next; - } - if (value == -1) - fprintf (f, "\tFSM_STATE_%s_NB_", fsm->name); - else - fprintf (f, "\t%u", value); - - if (i != fsm->state_nb - 1) - fprintf (f, ","); - fprintf (f, "\n"); - } - fprintf (f, "};\n\n"); - - /* Gen handle timeout function. */ - fprintf (f, "int\nfsm_%s_handle_timeout ()\n{\n", - fsm->name); - fprintf (f, "\tuint16_t i;\n"); - fprintf (f, "\tint out = 0;\n"); - fprintf (f, "\tfor (i = 0; i < fsm_%s_max_active_states; i++)\n\t{\n", - fsm->name); - fprintf (f, "\t\tif (fsm_%s_timeout_counters[i] > 0)\n", - fsm->name); - fprintf (f, "\t\t\tfsm_%s_timeout_counters[i]--;\n", - fsm->name); - fprintf (f, "\t\tif (fsm_%s_timeout_counters[i] == 0)\n\t\t{\n", - fsm->name); - fprintf (f, "\t\t\tfsm_%s_handle (fsm_%s_timeout_events[fsm_%s_active_states[i]]);\n", - fsm->name, - fsm->name, - fsm->name); - fprintf (f, "\t\t\tout = 1;\n"); - fprintf (f, "\t\t}\n\n"); - fprintf (f, "\t}\n"); - fprintf (f, "\treturn out;\n"); - fprintf (f, "}\n\n"); - } - - /* Close file. */ - fclose (f); - - /* Free. */ - free (fn); -} - -void -fsm_build_gen (char *arch, uint embedded_strings) -{ - fsm_build_chain_t *curs = fsm_build_all_fsm; - while (curs != NULL) - { - if (strcmp (arch, "AVR") == 0) - { - fsm_build_gen_avr_h (curs->fsm, embedded_strings); - fsm_build_gen_avr_c (curs->fsm, embedded_strings); - } - curs = curs->next; - } -} - -void -fsm_build_free (fsm_build_t *fsm) -{ - fsm_build_state_chain_t *sc; - fsm_build_state_chain_t *sc_tmp; - fsm_build_event_chain_t *ec; - fsm_build_event_chain_t *ec_tmp; - fsm_build_trans_chain_t *tc; - fsm_build_trans_chain_t *tc_tmp; - fsm_build_branch_chain_t *bc; - fsm_build_branch_chain_t *bc_tmp; - fsm_trans_func_chain_t *fc; - fsm_trans_func_chain_t *fc_tmp; - fsm_build_timeout_chain_t *toc; - fsm_build_timeout_chain_t *toc_tmp; - uint i; - - /* Free states. */ - sc = fsm->states; - while (sc != NULL) - { - sc_tmp = sc; - free (sc->state.var_name); - sc = sc->next; - free (sc_tmp); - } - - /* Free events. */ - ec = fsm->events; - while (sc != NULL) - { - ec_tmp = ec; - free (ec->event.var_name); - ec = ec->next; - free (ec_tmp); - } - - /* Free trans */ - tc = fsm->trans; - while (tc != NULL) - { - tc_tmp = tc; - - /* Free each branches. */ - bc = tc->trans.output_branches; - while (bc != NULL) - { - bc_tmp = bc; - free (bc->name); - bc = bc->next; - free (bc_tmp); - } - - tc = tc->next; - free (tc_tmp); - } - - /* Free start chain. */ - sc = fsm->starters; - while (sc != NULL) - { - sc_tmp = sc; - sc = sc->next; - free (sc_tmp); - } - - /* Free timeout chain. */ - toc = fsm->timeouts; - while (toc != NULL) - { - toc_tmp = toc; - toc = toc->next; - free (toc_tmp); - } - - /* Free run data (trans_table). */ - for (i = 0; i < fsm->event_nb; i++) - free (fsm->run.trans_table[i]); - free (fsm->run.trans_table); - - /* Free run data (active states). */ - free (fsm->run.active_states); - - /* Free last-seen event array*/ - free (fsm->run.events_before_active_state); - - /* Free run data (function pool). */ - fc = fsm->run.func_pool; - while (fc != NULL) - { - fc_tmp = fc; - fc = fc->next; - free (fc_tmp); - } - - /*Free run data (timeout counters). */ - free (fsm->run.timeout_counters); -} - -- cgit v1.2.3