/***************************************************************************** * Product: Calculator Example with inheritance of whole state model * Last Updated for Version: 4.5.00 * Date of the Last Update: May 18, 2012 * * Q u a n t u m L e a P s * --------------------------- * innovating embedded systems * * Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved. * * This program is open source software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as published * by the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * Alternatively, this program may be distributed and modified under the * terms of Quantum Leaps commercial licenses, which expressly supersede * the GNU General Public License and are specifically designed for * licensees interested in retaining the proprietary status of their code. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * Contact information: * Quantum Leaps Web sites: http://www.quantum-leaps.com * http://www.state-machine.com * e-mail: info@quantum-leaps.com *****************************************************************************/ #include "qp_port.h" #include "bsp.h" /* board support package */ #include "calc2.h" #include Q_DEFINE_THIS_FILE /* state variables ---------------------------------------------------------*/ QStateHandler Calc2_state_operand2 = (QStateHandler)&Calc2_operand2; /* Ctor definition ---------------------------------------------------------*/ void Calc2_ctor(Calc2 *me) { /* ctor */ Calc1_ctor(&me->super); /* instantiate the superclass */ /* subsitute all overridden states... */ Calc1_state_operand2 = Calc2_state_operand2; } /*..........................................................................*/ QState Calc2_operand2(Calc2 *me, QEvt const *e) { switch (e->sig) { case PERCENT_SIG: { double operand2 = BSP_get_value(); switch (me->super.operator) { case KEY_PLUS: case KEY_MINUS: { operand2 = me->super.operand1 * operand2 / 100.0; break; } case KEY_MULT: case KEY_DIVIDE: { operand2 /= 100.0; break; } default: { Q_ERROR(); break; } } if (BSP_eval(me->super.operand1, me->super.operator, operand2)) { return Q_TRAN(Calc1_state_result); } else { return Q_TRAN(Calc1_state_error); } } } return Q_SUPER(&Calc1_operand2); /* let Calc1 handle other events */ }