QP/C: qfsm_ini.c Source File

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00001 /*****************************************************************************
00002 * Product: QEP/C
00003 * Last Updated for Version: 4.4.00
00004 * Date of the Last Update:  Jan 21, 2012
00005 *
00006 *                    Q u a n t u m     L e a P s
00007 *                    ---------------------------
00008 *                    innovating embedded systems
00009 *
00010 * Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
00011 *
00012 * This software may be distributed and modified under the terms of the GNU
00013 * General Public License version 2 (GPL) as published by the Free Software
00014 * Foundation and appearing in the file GPL.TXT included in the packaging of
00015 * this file. Please note that GPL Section 2[b] requires that all works based
00016 * on this software must also be made publicly available under the terms of
00017 * the GPL ("Copyleft").
00018 *
00019 * Alternatively, this software may be distributed and modified under the
00020 * terms of Quantum Leaps commercial licenses, which expressly supersede
00021 * the GPL and are specifically designed for licensees interested in
00022 * retaining the proprietary status of their code.
00023 *
00024 * Contact information:
00025 * Quantum Leaps Web site:  http://www.quantum-leaps.com
00026 * e-mail:                  info@quantum-leaps.com
00027 *****************************************************************************/
00028 #include "qep_pkg.h"
00029 #include "qassert.h"
00030 
00031 Q_DEFINE_THIS_MODULE("qfsm_ini")
00032 
00033 
00039 /*..........................................................................*/
00040 void QFsm_init(QFsm *me, QEvent const *e) {
00041     QS_CRIT_STAT_
00042 
00043     QS_BEGIN_(QS_QEP_STATE_INIT, QS_smObj_, me)
00044         QS_OBJ_(me);                           /* this state machine object */
00045         QS_FUN_(Q_STATE_CAST(0));   /* source state (not defined for a FSM) */
00046         QS_FUN_(me->state);                 /* the target of the transition */
00047     QS_END_()
00048 
00049                                  /* execute the top-most initial transition */
00050     Q_ALLEGE((*me->state)(me, e) == Q_RET_TRAN);/* transition must be taken */
00051 
00052     (void)QEP_TRIG_(me->state, Q_ENTRY_SIG);            /* enter the target */
00053 
00054     QS_BEGIN_(QS_QEP_INIT_TRAN, QS_smObj_, me)
00055         QS_TIME_();                                           /* time stamp */
00056         QS_OBJ_(me);                           /* this state machine object */
00057         QS_FUN_(me->state);                         /* the new active state */
00058     QS_END_()
00059 }