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269 lines
8.8 KiB
C
269 lines
8.8 KiB
C
/*****************************************************************************
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* Product: QHsmTst Example
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* Last Updated for Version: 4.5.00
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* Date of the Last Update: May 18, 2012
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*
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* Q u a n t u m L e a P s
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* ---------------------------
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* innovating embedded systems
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*
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* Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
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*
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* This program is open source software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Alternatively, this program may be distributed and modified under the
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* terms of Quantum Leaps commercial licenses, which expressly supersede
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* the GNU General Public License and are specifically designed for
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* licensees interested in retaining the proprietary status of their code.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Contact information:
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* Quantum Leaps Web sites: http://www.quantum-leaps.com
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* http://www.state-machine.com
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* e-mail: info@quantum-leaps.com
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*****************************************************************************/
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#include "qep_port.h"
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#include "qhsmtst.h"
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/* local-scope objects .....................................................*/
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typedef struct QHsmTstTag {
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QHsm super; /* extend class QHsm */
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uint8_t foo; /* extended state variable */
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/* . . . */
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} QHsmTst;
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/* HSM state handler functions: */
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static QState QHsmTst_initial(QHsmTst *me, QEvt const *e); /* pseudostate */
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static QState QHsmTst_s (QHsmTst *me, QEvt const *e); /* state-handler */
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static QState QHsmTst_s1 (QHsmTst *me, QEvt const *e); /* state-handler */
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static QState QHsmTst_s11 (QHsmTst *me, QEvt const *e); /* state-handler */
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static QState QHsmTst_s2 (QHsmTst *me, QEvt const *e); /* state-handler */
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static QState QHsmTst_s21 (QHsmTst *me, QEvt const *e); /* state-handler */
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static QState QHsmTst_s211 (QHsmTst *me, QEvt const *e); /* state-handler */
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static QHsmTst l_hsmtst; /* the sole instance of the state machine object */
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/* global-scope definitions ------------------------------------------------*/
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extern QHsm * const the_hsm = (QHsm *)&l_hsmtst; /* the opaque pointer */
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/*..........................................................................*/
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void QHsmTst_ctor(void) {
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QHsmTst *me = &l_hsmtst;
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QHsm_ctor(&me->super, (QStateHandler)&QHsmTst_initial);
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}
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/* HSM definition ----------------------------------------------------------*/
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QState QHsmTst_initial(QHsmTst *me, QEvt const *e) {
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(void)e; /* suppress "e not used" compiler warning */
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BSP_display("top-INIT;");
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me->foo = 0; /* initialize extended state variable */
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return Q_TRAN(&QHsmTst_s2);
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}
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/*..........................................................................*/
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QState QHsmTst_s(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_display("s-INIT;");
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return Q_TRAN(&QHsmTst_s11);
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}
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case E_SIG: {
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BSP_display("s-E;");
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return Q_TRAN(&QHsmTst_s11);
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}
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case I_SIG: { /* internal transition with a guard */
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if (me->foo) {
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BSP_display("s-I;");
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me->foo = 0;
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return Q_HANDLED();
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}
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break;
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}
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case TERMINATE_SIG: {
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BSP_exit();
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return Q_HANDLED();
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}
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}
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return Q_SUPER(&QHsm_top);
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}
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/*..........................................................................*/
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QState QHsmTst_s1(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s1-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s1-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_display("s1-INIT;");
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return Q_TRAN(&QHsmTst_s11);
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}
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case A_SIG: {
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BSP_display("s1-A;");
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return Q_TRAN(&QHsmTst_s1);
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}
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case B_SIG: {
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BSP_display("s1-B;");
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return Q_TRAN(&QHsmTst_s11);
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}
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case C_SIG: {
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BSP_display("s1-C;");
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return Q_TRAN(&QHsmTst_s2);
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}
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case D_SIG: { /* transition with a gurad */
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if (!me->foo) {
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BSP_display("s1-D;");
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me->foo = 1;
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return Q_TRAN(&QHsmTst_s);
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}
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break;
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}
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case F_SIG: {
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BSP_display("s1-F;");
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return Q_TRAN(&QHsmTst_s211);
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}
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case I_SIG: { /* internal transition */
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BSP_display("s1-I;");
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return Q_HANDLED();
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}
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}
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return Q_SUPER(&QHsmTst_s);
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}
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/*..........................................................................*/
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QState QHsmTst_s11(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s11-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s11-EXIT;");
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return Q_HANDLED();
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}
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case D_SIG: { /* transition with a gurad */
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if (me->foo) {
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BSP_display("s11-D;");
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me->foo = 0;
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return Q_TRAN(&QHsmTst_s1);
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}
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break;
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}
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case G_SIG: {
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BSP_display("s11-G;");
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return Q_TRAN(&QHsmTst_s211);
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}
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case H_SIG: {
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BSP_display("s11-H;");
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return Q_TRAN(&QHsmTst_s);
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}
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}
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return Q_SUPER(&QHsmTst_s1);
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}
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/*..........................................................................*/
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QState QHsmTst_s2(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s2-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s2-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_display("s2-INIT;");
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return Q_TRAN(&QHsmTst_s211);
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}
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case C_SIG: {
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BSP_display("s2-C;");
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return Q_TRAN(&QHsmTst_s1);
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}
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case F_SIG: {
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BSP_display("s2-F;");
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return Q_TRAN(&QHsmTst_s11);
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}
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case I_SIG: { /* internal transition with a guard */
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if (!me->foo) {
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BSP_display("s2-I;");
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me->foo = (uint8_t)1;
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return Q_HANDLED();
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}
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break;
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}
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}
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return Q_SUPER(&QHsmTst_s);
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}
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/*..........................................................................*/
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QState QHsmTst_s21(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s21-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s21-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_display("s21-INIT;");
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return Q_TRAN(&QHsmTst_s211);
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}
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case A_SIG: {
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BSP_display("s21-A;");
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return Q_TRAN(&QHsmTst_s21);
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}
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case B_SIG: {
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BSP_display("s21-B;");
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return Q_TRAN(&QHsmTst_s211);
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}
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case G_SIG: {
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BSP_display("s21-G;");
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return Q_TRAN(&QHsmTst_s1);
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}
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}
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return Q_SUPER(&QHsmTst_s2);
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}
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/*..........................................................................*/
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QState QHsmTst_s211(QHsmTst *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_display("s211-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_display("s211-EXIT;");
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return Q_HANDLED();
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}
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case D_SIG: {
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BSP_display("s211-D;");
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return Q_TRAN(&QHsmTst_s21);
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}
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case H_SIG: {
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BSP_display("s211-H;");
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return Q_TRAN(&QHsmTst_s);
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}
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}
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return Q_SUPER(&QHsmTst_s21);
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}
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