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https://github.com/QuantumLeaps/qpcpp.git
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80d9bcd6fb
Added QP Functional Safety (FuSa) Subsystem Memory Isolation with MPU Added QAsm abstract state machine base class Added memory marker to QEvt and rearranged memory layout Updated: QP-FreeRTOS, QP-ESP-IDF,QP-Zephyr Added drift-free ticking for QP-POSIX Reorganized documentation Updated 3rd_party
141 lines
4.7 KiB
C++
141 lines
4.7 KiB
C++
//============================================================================
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// Product: Calculator Example
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// Last Updated for Version: 7.3.0
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// Date of the Last Update: 2023-09-06
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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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// Modern Embedded Software
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//
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// Copyright (C) 2005 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 <www.gnu.org/licenses/>.
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//
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// Contact information:
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// <www.state-machine.com/licensing>
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// <info@state-machine.com>
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//============================================================================
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#include "qpcpp.hpp" // QP/C++ API
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#include "bsp.hpp" // board support package
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#include "calc_sub.hpp" // application
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#include <iostream>
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using namespace QP;
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using namespace std;
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//............................................................................
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int main() {
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QF::init();
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QF::onStartup();
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cout << "Calculator example, QEP version: "
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<< QP_VERSION_STR << endl
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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 '+' or '#' 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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the_calc->init(0U); // trigger initial transition
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for (;;) { // event loop
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BSP_show_display(); // show the display
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cout << ": ";
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std::uint8_t key_code =
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static_cast<std::uint8_t>(QF::consoleWaitForKey());
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cout << static_cast<char>(key_code) << ' ';
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QSignal sig = 0U;
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switch (key_code) {
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case 'c': // intentionally fall through
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case 'C': {
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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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sig = CE_SIG;
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break;
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}
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case '0': {
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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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sig = DIGIT_1_9_SIG;
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break;
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}
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case '.': {
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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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sig = OPER_SIG;
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break;
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}
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case '#': { // alternative '+'
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sig = OPER_SIG;
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key_code = '+';
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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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sig = EQUALS_SIG;
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break;
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}
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case '\33': { // ESC key
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sig = OFF_SIG;
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break;
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}
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default: {
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sig = 0U; // invalid event
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break;
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}
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}
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if (sig != 0) { // valid event generated?
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CalcEvt const calc_evt(sig, key_code);
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the_calc->dispatch(&calc_evt, 0U); // dispatch event
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}
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}
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QF::onCleanup();
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return 0;
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}
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