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130 lines
5.2 KiB
C
130 lines
5.2 KiB
C
/*****************************************************************************
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* Product: Calc1 Example
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* Last Updated for Version: 5.6.6
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* Date of the Last Update: 2016-07-26
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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) 2002-2016 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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* http://www.state-machine.com
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* mailto:info@quantum-leaps.com
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*****************************************************************************/
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#include "qep_port.h"
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#include "bsp.h"
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#include "calc1.h"
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#include <stdio.h>
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#include <conio.h>
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#include <dos.h>
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/*..........................................................................*/
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int main() {
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Calc_ctor(); /* explicitly instantiate the calculator object */
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printf("Calculator example, QEP version: %s\n"
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"Press '0' .. '9' to enter a digit\n"
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"Press '.' to enter the decimal point\n"
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"Press '+' to add\n"
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"Press '-' to subtract or negate a number\n"
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"Press '*' to multiply\n"
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"Press '/' to divide\n"
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"Press '=' or <Enter> to get the result\n"
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"Press 'c' or 'C' to Cancel\n"
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"Press 'e' or 'E' to Cancel Entry\n"
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"Press <Esc> to quit.\n\n",
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QEP_getVersion());
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QMSM_INIT(the_calc, (QEvt *)0); /* trigger initial transition */
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for (;;) { /* event loop */
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CalcEvt e; /* Calculator event */
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BSP_display(); /* show the display */
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printf(": ");
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fflush(stdout);
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e.key_code = (uint8_t)_getche(); /* get a char with echo */
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printf(" ");
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switch (e.key_code) {
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case 'c': /* intentionally fall through */
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case 'C': {
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((QEvt *)&e)->sig = C_SIG;
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break;
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}
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case 'e': /* intentionally fall through */
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case 'E': {
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((QEvt *)&e)->sig = CE_SIG;
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break;
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}
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case '0': {
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((QEvt *)&e)->sig = DIGIT_0_SIG;
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break;
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}
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case '1': /* intentionally fall through */
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case '2': /* intentionally fall through */
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case '3': /* intentionally fall through */
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case '4': /* intentionally fall through */
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case '5': /* intentionally fall through */
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case '6': /* intentionally fall through */
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case '7': /* intentionally fall through */
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case '8': /* intentionally fall through */
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case '9': {
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((QEvt *)&e)->sig = DIGIT_1_9_SIG;
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break;
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}
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case '.': {
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((QEvt *)&e)->sig = POINT_SIG;
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break;
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}
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case '+': /* intentionally fall through */
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case '-': /* intentionally fall through */
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case '*': /* intentionally fall through */
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case '/': {
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((QEvt *)&e)->sig = OPER_SIG;
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break;
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}
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case '=': /* intentionally fall through */
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case '\r': { /* Enter key */
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((QEvt *)&e)->sig = EQUALS_SIG;
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break;
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}
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case '\33': { /* ESC key */
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((QEvt *)&e)->sig = OFF_SIG;
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break;
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}
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default: {
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((QEvt *)&e)->sig = 0; /* invalid event */
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break;
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}
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}
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if (((QEvt *)&e)->sig != 0) { /* valid event generated? */
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QMSM_DISPATCH(the_calc, (QEvt *)&e); /* dispatch event */
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}
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}
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return 0;
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}
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