mirror of
https://github.com/QuantumLeaps/qpcpp.git
synced 2025-01-28 06:02:56 +08:00
82 lines
3.2 KiB
C++
82 lines
3.2 KiB
C++
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Product: Calculator Example with inheritance of the whole state model
|
||
|
|
// Last Updated for Version: 4.5.00
|
||
|
|
// Date of the Last Update: May 20, 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 <http://www.gnu.org/licenses/>.
|
||
|
|
//
|
||
|
|
// 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 <stdlib.h>
|
||
|
|
|
||
|
|
Q_DEFINE_THIS_FILE
|
||
|
|
|
||
|
|
// state variables -----------------------------------------------------------
|
||
|
|
QStateHandler Calc2::state_operand2 = (QStateHandler)&Calc2::operand2;
|
||
|
|
|
||
|
|
// Ctor definition -----------------------------------------------------------
|
||
|
|
Calc2::Calc2(void) : Calc1() {
|
||
|
|
// subsitute all overridden states...
|
||
|
|
Calc1::state_operand2 = state_operand2;
|
||
|
|
}
|
||
|
|
//............................................................................
|
||
|
|
QState Calc2::operand2(Calc2 *me, QEvt const *e) {
|
||
|
|
switch (e->sig) {
|
||
|
|
case PERCENT_SIG: {
|
||
|
|
double operand2 = BSP_get_value();
|
||
|
|
switch (me->m_operator) {
|
||
|
|
case KEY_PLUS:
|
||
|
|
case KEY_MINUS: {
|
||
|
|
operand2 = me->m_operand1 * operand2 / 100.0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case KEY_MULT:
|
||
|
|
case KEY_DIVIDE: {
|
||
|
|
operand2 /= 100.0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default: {
|
||
|
|
Q_ERROR();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (BSP_eval(me->m_operand1, me->m_operator, operand2)) {
|
||
|
|
return Q_TRAN(state_result);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return Q_TRAN(state_error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return Q_SUPER(&Calc1::operand2); // let Calc1 handle other events
|
||
|
|
}
|