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511 lines
17 KiB
C
511 lines
17 KiB
C
/*****************************************************************************
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* Product: Calculator Example with inheritance of whole state model
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* Last Updated for Version: 4.5.00
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* Date of the Last Update: May 18, 2012
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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) 2002-2012 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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* Quantum Leaps Web sites: http://www.quantum-leaps.com
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* http://www.state-machine.com
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* e-mail: info@quantum-leaps.com
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*****************************************************************************/
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#include "qp_port.h" /* the port of the QP framework */
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#include "bsp.h" /* board support package */
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#include "calc1.h"
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/* state variables ---------------------------------------------------------*/
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QStateHandler Calc1_state_on = (QStateHandler)&Calc1_on;
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QStateHandler Calc1_state_error = (QStateHandler)&Calc1_error;
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QStateHandler Calc1_state_ready = (QStateHandler)&Calc1_ready;
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QStateHandler Calc1_state_result = (QStateHandler)&Calc1_result;
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QStateHandler Calc1_state_begin = (QStateHandler)&Calc1_begin;
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QStateHandler Calc1_state_negated1 = (QStateHandler)&Calc1_negated1;
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QStateHandler Calc1_state_operand1 = (QStateHandler)&Calc1_operand1;
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QStateHandler Calc1_state_zero1 = (QStateHandler)&Calc1_zero1;
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QStateHandler Calc1_state_int1 = (QStateHandler)&Calc1_int1;
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QStateHandler Calc1_state_frac1 = (QStateHandler)&Calc1_frac1;
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QStateHandler Calc1_state_opEntered = (QStateHandler)&Calc1_opEntered;
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QStateHandler Calc1_state_negated2 = (QStateHandler)&Calc1_negated2;
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QStateHandler Calc1_state_operand2 = (QStateHandler)&Calc1_operand2;
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QStateHandler Calc1_state_zero2 = (QStateHandler)&Calc1_zero2;
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QStateHandler Calc1_state_int2 = (QStateHandler)&Calc1_int2;
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QStateHandler Calc1_state_frac2 = (QStateHandler)&Calc1_frac2;
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QStateHandler Calc1_state_final = (QStateHandler)&Calc1_final;
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/*..........................................................................*/
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void Calc1_ctor(Calc1 *me) { /* ctor */
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QHsm_ctor(&me->super, (QStateHandler)&Calc1_initial);
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}
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/* HSM definition ----------------------------------------------------------*/
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QState Calc1_initial(Calc1 *me, QEvt const *e) {
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(void)e; /* avoid compiler warning about unused parameter */
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BSP_clear();
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return Q_TRAN(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_on(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("on-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("on-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_message("on-INIT;");
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return Q_TRAN(Calc1_state_ready);
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}
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case C_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_on); /* transition-to-self */
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}
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case OFF_SIG: {
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return Q_TRAN(Calc1_state_final);
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}
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}
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return Q_SUPER(&QHsm_top);
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}
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/*..........................................................................*/
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QState Calc1_error(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("error-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("error-EXIT;");
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return Q_HANDLED();
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_ready(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("ready-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("ready-EXIT;");
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return Q_HANDLED();
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}
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case Q_INIT_SIG: {
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BSP_message("ready-INIT;");
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return Q_TRAN(Calc1_state_begin);
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}
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case DIGIT_0_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_zero1);
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}
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case DIGIT_1_9_SIG: {
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BSP_clear();
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int1);
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}
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case POINT_SIG: {
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BSP_clear();
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BSP_insert((int)'0');
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BSP_insert((int)'.');
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return Q_TRAN(Calc1_state_frac1);
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}
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case OPER_SIG: {
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me->operand1 = BSP_get_value();
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me->operator = ((CalcEvt const *)e)->key_code;
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return Q_TRAN(Calc1_state_opEntered);
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_result(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("result-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("result-EXIT;");
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return Q_HANDLED();
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}
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}
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return Q_SUPER(Calc1_state_ready);
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}
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/*..........................................................................*/
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QState Calc1_begin(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("begin-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("begin-EXIT;");
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return Q_HANDLED();
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}
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case OPER_SIG: {
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if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
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return Q_TRAN(Calc1_state_negated1);
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}
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break;
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}
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}
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return Q_SUPER(Calc1_state_ready);
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}
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/*..........................................................................*/
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QState Calc1_negated1(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("negated1-ENTRY;");
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BSP_negate();
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("negated1-EXIT;");
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return Q_HANDLED();
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}
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case OPER_SIG: {
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if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
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; /* explicitly ignore */
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return Q_HANDLED(); /* event handled */
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}
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break;
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}
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case CE_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_begin);
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}
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case DIGIT_0_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_zero1);
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}
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int1);
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac1);
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_negated2(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("negated2-ENTRY;");
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BSP_negate();
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("negated2-EXIT;");
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return Q_HANDLED();
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}
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case OPER_SIG: {
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if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
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; /* explicitly ignore */
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return Q_HANDLED(); /* event handled */
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}
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break;
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}
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case CE_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_opEntered);
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}
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case DIGIT_0_SIG: {
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return Q_TRAN(Calc1_state_zero2);
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}
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int2);
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac2);
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_operand1(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("operand1-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("operand1-EXIT;");
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return Q_HANDLED();
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}
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case CE_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_begin);
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}
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case OPER_SIG: {
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me->operand1 = BSP_get_value();
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me->operator = ((CalcEvt const *)e)->key_code;
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return Q_TRAN(Calc1_state_opEntered);
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}
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case EQUALS_SIG: {
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return Q_TRAN(Calc1_state_result);
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_zero1(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("zero1-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("zero1-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: {
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; /* explicitly ignore */
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return Q_HANDLED();
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}
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int1);
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac1);
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}
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}
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return Q_SUPER(Calc1_state_operand1);
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}
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/*..........................................................................*/
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QState Calc1_int1(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("int1-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("int1-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: /* intentionally fall through */
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_HANDLED();
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac1);
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}
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}
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return Q_SUPER(Calc1_state_operand1);
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}
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/*..........................................................................*/
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QState Calc1_frac1(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("frac1-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("frac1-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: /* intentionally fall through */
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_HANDLED();
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}
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case POINT_SIG: {
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; /* explicitly ignore */
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return Q_HANDLED();
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}
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}
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return Q_SUPER(Calc1_state_operand1);
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}
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/*..........................................................................*/
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QState Calc1_opEntered(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("opEntered-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("opEntered-EXIT;");
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return Q_HANDLED();
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}
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case OPER_SIG: {
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if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
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BSP_clear();
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return Q_TRAN(Calc1_state_negated2);
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}
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break;
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}
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case DIGIT_0_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_zero2);
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}
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case DIGIT_1_9_SIG: {
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BSP_clear();
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int2);
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}
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case POINT_SIG: {
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BSP_clear();
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BSP_insert((int)'0');
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BSP_insert((int)'.');
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return Q_TRAN(Calc1_state_frac2);
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_operand2(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("operand2-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("operand2-EXIT;");
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return Q_HANDLED();
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}
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case CE_SIG: {
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BSP_clear();
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return Q_TRAN(Calc1_state_opEntered);
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}
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case OPER_SIG: {
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if (BSP_eval(me->operand1, me->operator, BSP_get_value())) {
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me->operand1 = BSP_get_value();
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me->operator = ((CalcEvt const *)e)->key_code;
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return Q_TRAN(Calc1_state_opEntered);
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}
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else {
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return Q_TRAN(Calc1_state_error);
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}
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}
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case EQUALS_SIG: {
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if (BSP_eval(me->operand1, me->operator, BSP_get_value())) {
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return Q_TRAN(Calc1_state_result);
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}
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else {
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return Q_TRAN(Calc1_state_error);
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}
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}
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}
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return Q_SUPER(Calc1_state_on);
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}
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/*..........................................................................*/
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QState Calc1_zero2(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("zero2-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("zero2-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: {
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; /* explicitly ignore */
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return Q_HANDLED();
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}
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_int2);
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac2);
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}
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}
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return Q_SUPER(Calc1_state_operand2);
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}
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/*..........................................................................*/
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QState Calc1_int2(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("int2-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("int2-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: /* intentionally fall through */
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_HANDLED();
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}
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case POINT_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
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return Q_TRAN(Calc1_state_frac2);
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}
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}
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return Q_SUPER(Calc1_state_operand2);
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}
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/*..........................................................................*/
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QState Calc1_frac2(Calc1 *me, QEvt const *e) {
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switch (e->sig) {
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case Q_ENTRY_SIG: {
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BSP_message("frac2-ENTRY;");
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return Q_HANDLED();
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}
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case Q_EXIT_SIG: {
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BSP_message("frac2-EXIT;");
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return Q_HANDLED();
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}
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case DIGIT_0_SIG: /* intentionally fall through */
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case DIGIT_1_9_SIG: {
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BSP_insert(((CalcEvt const *)e)->key_code);
|
|
return Q_HANDLED();
|
|
}
|
|
case POINT_SIG: {
|
|
; /* explicitly ignore */
|
|
return Q_HANDLED();
|
|
}
|
|
}
|
|
return Q_SUPER(Calc1_state_operand2);
|
|
}
|
|
/*..........................................................................*/
|
|
QState Calc1_final(Calc1 *me, QEvt const *e) {
|
|
switch (e->sig) {
|
|
case Q_ENTRY_SIG: {
|
|
BSP_message("final-ENTRY;");
|
|
BSP_exit();
|
|
return Q_HANDLED();
|
|
}
|
|
}
|
|
return Q_SUPER(&QHsm_top);
|
|
}
|
|
|