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248 lines
8.9 KiB
C++
248 lines
8.9 KiB
C++
//****************************************************************************
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// Product: Orthogonal Component state pattern example
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// Last Updated for Version: 5.4.2
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// Date of the Last Update: 2015-06-06
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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) 2002-2013 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 3 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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// Web : https://state-machine.com
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// Email: info@state-machine.com
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//****************************************************************************
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#include "qpcpp.h"
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#include "bsp.h"
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#include "alarm.h"
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#include "clock.h"
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#include <stdio.h>
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Q_DEFINE_THIS_FILE
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//............................................................................
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class AlarmClock : public QActive { // the AlarmClock container active object
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private:
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Alarm m_alarmComp; // Alarm orthogonal component
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QTimeEvt m_timeEvt; // private time event generator
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uint32_t m_current_time; // the current time in seconds
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public:
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AlarmClock() // default ctor
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: QActive((QStateHandler)&AlarmClock::initial),
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m_timeEvt(this, TIME_SIG, 0U) {}
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private:
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// hierarchical state machine ...
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static QState initial (AlarmClock *me, QEvt const *e);
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static QState timekeeping(AlarmClock *me, QEvt const *e);
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static QState mode12hr (AlarmClock *me, QEvt const *e);
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static QState mode24hr (AlarmClock *me, QEvt const *e);
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static QState final (AlarmClock *me, QEvt const *e);
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};
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// HSM definition ------------------------------------------------------------
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QState AlarmClock::initial(AlarmClock *me, QEvt const *) {
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me->m_current_time = 0;
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// take the initial transition in the alarm component...
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me->m_alarmComp.init();
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return Q_TRAN(&AlarmClock::timekeeping);
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}
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//............................................................................
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QState AlarmClock::final(AlarmClock *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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printf("-> final\nBye!Bye!\n");
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QF::stop(); // stop QF and cleanup
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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 AlarmClock::timekeeping(AlarmClock *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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// periodic timeout in a second and every second
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me->m_timeEvt.armX(BSP_TICKS_PER_SEC, BSP_TICKS_PER_SEC);
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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me->m_timeEvt.disarm();
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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return Q_TRAN(&AlarmClock::mode24hr);
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}
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case CLOCK_12H_SIG: {
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return Q_TRAN(&AlarmClock::mode12hr);
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}
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case CLOCK_24H_SIG: {
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return Q_TRAN(&AlarmClock::mode24hr);
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}
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case ALARM_SIG: {
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printf("Wake up!!!\n");
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return Q_HANDLED();
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}
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case ALARM_SET_SIG:
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case ALARM_ON_SIG:
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case ALARM_OFF_SIG: {
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me->m_alarmComp.dispatch(e); // synchronously dispatch to comp.
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return Q_HANDLED();
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}
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case TERMINATE_SIG: {
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return Q_TRAN(&AlarmClock::final);
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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 AlarmClock::mode24hr(AlarmClock *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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printf("*** 24-hour mode\n");
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return Q_HANDLED();
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}
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case TIME_SIG: {
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if (++me->m_current_time == 24U*60U) { // roll over in 24-hr mode?
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me->m_current_time = 0U;
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}
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printf("%02d:%02d\n",
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me->m_current_time / 60U, me->m_current_time % 60U);
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TimeEvt pe; // temporary synchronous event for the component
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pe.sig = TIME_SIG;
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pe.current_time = me->m_current_time;
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me->m_alarmComp.dispatch(&pe); // synchronously dispatch to comp.
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return Q_HANDLED();
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}
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}
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return Q_SUPER(&AlarmClock::timekeeping);
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}
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//............................................................................
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QState AlarmClock::mode12hr(AlarmClock *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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printf("*** 12-hour mode\n");
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return Q_HANDLED();
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}
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case TIME_SIG: {
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if (++me->m_current_time == 12U*60U) { // roll over in 12-hr mode?
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me->m_current_time = 0U;
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}
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uint32_t h = me->m_current_time/60U;
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printf("%02d:%02d %s\n", (h % 12U) ? (h % 12U) : 12U,
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me->m_current_time % 60U, (h / 12U) ? "PM" : "AM");
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TimeEvt pe; // temporary synchronous event for the component
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pe.sig = TIME_SIG;
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pe.current_time = me->m_current_time;
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me->m_alarmComp.dispatch(&pe); // synchronously dispatch to comp.
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return Q_HANDLED();
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}
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}
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return Q_SUPER(&AlarmClock::timekeeping);
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}
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// test harness ==============================================================
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// Local-scope objects -------------------------------------------------------
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static AlarmClock l_alarmClock; // the AlarmClock active object
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static QEvt const *l_alarmClockQSto[10]; // queue storage for AlarmClock
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static TimeEvt l_smlPoolSto[10]; // small event pool
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// Global-scope objects (opaque pointer to the AlarmClock container) ---------
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QActive * const APP_alarmClock= &l_alarmClock; // AlarmClock active object
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//............................................................................
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int main(int argc, char *argv[]) {
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printf("Reminder state pattern\nQEP version: %s\nQF version: %s\n"
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"Press 'o' to turn the Alarm ON\n"
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"Press 'f' to turn the Alarm OFF\n"
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"Press '0'..'9' to set the Alarm time\n"
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"Press 'a' to set the Clock in 12-hour mode\n"
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"Press 'b' to set the Clock in 24-hour mode\n"
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"Press ESC to quit...\n",
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QEP::getVersion(), QF::getVersion());
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BSP_init(argc, argv); // initialize the BSP
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QF::init(); // initialize the framework and the underlying RT kernel
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// publish-subscribe not used, no call to QF::psInit()
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// initialize event pools...
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QF::poolInit(l_smlPoolSto, sizeof(l_smlPoolSto), sizeof(l_smlPoolSto[0]));
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// start the active objects...
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l_alarmClock.start(1, l_alarmClockQSto, Q_DIM(l_alarmClockQSto),
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(void *)0, 0, (QEvt *)0);
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return QF::run(); // run the QF application
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}
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//............................................................................
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void BSP_onKeyboardInput(uint8_t key) {
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switch (key) {
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case 'o': { // 'o': Alarm on event?
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l_alarmClock.POST(Q_NEW(QEvt, ALARM_ON_SIG), (void *)0);
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break;
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}
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case 'f': { // 'f': Alarm off event?
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l_alarmClock.POST(Q_NEW(QEvt, ALARM_OFF_SIG), (void *)0);
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break;
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}
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9': {
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SetEvt *e = Q_NEW(SetEvt, ALARM_SET_SIG);
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e->digit = (uint8_t)(key - '0');
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l_alarmClock.POST(e, (void *)0);
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break;
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}
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case '0': {
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SetEvt *e = Q_NEW(SetEvt, ALARM_SET_SIG);
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e->digit = 0;
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l_alarmClock.POST(e, (void *)0);
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break;
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}
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case 'a': { // 'a': Clock 12H event?
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l_alarmClock.POST(Q_NEW(QEvt, CLOCK_12H_SIG), (void *)0);
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break;
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}
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case 'b': { // 'b': Clock 24H event?
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l_alarmClock.POST(Q_NEW(QEvt, CLOCK_24H_SIG), (void *)0);
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break;
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}
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case '\33': { // ESC pressed?
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l_alarmClock.POST(Q_NEW(QEvt, TERMINATE_SIG), (void *)0);
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break;
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}
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}
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}
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