mirror of
https://github.com/QuantumLeaps/qpcpp.git
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264 lines
8.5 KiB
C++
264 lines
8.5 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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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 20, 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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class QHsmTst : public QHsm {
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int8_t m_foo; // extended state variable
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public:
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QHsmTst() : QHsm((QStateHandler)&QHsmTst::initial) { // ctor
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}
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protected:
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static QState initial(QHsmTst *me, QEvt const *e);// initial pseudostate
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static QState s (QHsmTst *me, QEvt const *e); // state-handler
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static QState s1 (QHsmTst *me, QEvt const *e); // state-handler
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static QState s11 (QHsmTst *me, QEvt const *e); // state-handler
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static QState s2 (QHsmTst *me, QEvt const *e); // state-handler
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static QState s21 (QHsmTst *me, QEvt const *e); // state-handler
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static QState s211 (QHsmTst *me, QEvt const *e); // state-handler
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};
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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 = &l_hsmtst; // the opaque pointer
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//............................................................................
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QState QHsmTst::initial(QHsmTst *me, QEvt const *) {
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BSP_display("top-INIT;");
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me->m_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->m_foo) {
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BSP_display("s-I;");
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me->m_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->m_foo) {
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BSP_display("s1-D;");
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me->m_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->m_foo) {
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BSP_display("s11-D;");
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me->m_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->m_foo) {
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BSP_display("s2-I;");
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me->m_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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