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https://github.com/QuantumLeaps/qpcpp.git
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117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
//****************************************************************************
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// Product: Blinky AO
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// Last updated for version 6.6.0
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// Last updated on 2019-10-14
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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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// Modern Embedded Software
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//
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// Copyright (C) 2005-2019 Quantum Leaps. 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 <www.gnu.org/licenses>.
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//
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// Contact information:
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// <www.state-machine.com>
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// <info@state-machine.com>
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//****************************************************************************
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#include "qpcpp.hpp"
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#include "bsp.hpp"
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#include "blinky.hpp"
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//Q_DEFINE_THIS_FILE
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//............................................................................
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class Blinky : public QActive {
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private:
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QTimeEvt m_timeEvt;
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public:
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Blinky();
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static Blinky inst; // the single instance of Blinky (Singleton)
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protected:
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Q_STATE_DECL(initial);
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Q_STATE_DECL(off);
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Q_STATE_DECL(on);
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};
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// global objects ------------------------------------------------------------
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QActive * const AO_Blinky = &Blinky::inst; // opaque pointer
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// Blinky class definition ---------------------------------------------------
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Blinky Blinky::inst;
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//............................................................................
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Blinky::Blinky()
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: QActive(&initial),
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m_timeEvt(this, TIMEOUT_SIG, 0U)
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{
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// empty
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}
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// HSM definition ............................................................
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Q_STATE_DEF(Blinky, initial) {
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(void)e; // unused parameter
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// arm the time event to expire in half a second and every half second
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m_timeEvt.armX(BSP_TICKS_PER_SEC/2U, BSP_TICKS_PER_SEC/2U);
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return tran(&off);
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}
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//............................................................................
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Q_STATE_DEF(Blinky, off) {
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QState status;
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_ledOff();
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status = Q_RET_HANDLED;
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break;
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}
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case TIMEOUT_SIG: {
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status = tran(&on);
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break;
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}
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default: {
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status = super(&top);
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break;
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}
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}
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return status;
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}
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//............................................................................
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Q_STATE_DEF(Blinky, on) {
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QState status;
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_ledOn();
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status = Q_RET_HANDLED;
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break;
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}
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case TIMEOUT_SIG: {
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status = tran(&off);
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break;
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}
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default: {
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status = super(&top);
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break;
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}
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}
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return status;
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}
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