qpc/examples/80x86/dos/watcom/l/calc2/calc1.c

/*****************************************************************************
* 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 3 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"                        /* the port of the QP framework */
#include "bsp.h"                                   /* board support package */
#include "calc1.h"


/* state variables ---------------------------------------------------------*/
QStateHandler Calc1_state_on        = (QStateHandler)&Calc1_on;
QStateHandler Calc1_state_error     = (QStateHandler)&Calc1_error;
QStateHandler Calc1_state_ready     = (QStateHandler)&Calc1_ready;
QStateHandler Calc1_state_result    = (QStateHandler)&Calc1_result;
QStateHandler Calc1_state_begin     = (QStateHandler)&Calc1_begin;
QStateHandler Calc1_state_negated1  = (QStateHandler)&Calc1_negated1;
QStateHandler Calc1_state_operand1  = (QStateHandler)&Calc1_operand1;
QStateHandler Calc1_state_zero1     = (QStateHandler)&Calc1_zero1;
QStateHandler Calc1_state_int1      = (QStateHandler)&Calc1_int1;
QStateHandler Calc1_state_frac1     = (QStateHandler)&Calc1_frac1;
QStateHandler Calc1_state_opEntered = (QStateHandler)&Calc1_opEntered;
QStateHandler Calc1_state_negated2  = (QStateHandler)&Calc1_negated2;
QStateHandler Calc1_state_operand2  = (QStateHandler)&Calc1_operand2;
QStateHandler Calc1_state_zero2     = (QStateHandler)&Calc1_zero2;
QStateHandler Calc1_state_int2      = (QStateHandler)&Calc1_int2;
QStateHandler Calc1_state_frac2     = (QStateHandler)&Calc1_frac2;
QStateHandler Calc1_state_final     = (QStateHandler)&Calc1_final;


/*..........................................................................*/
void Calc1_ctor(Calc1 *me) {                                        /* ctor */
    QHsm_ctor(&me->super, (QStateHandler)&Calc1_initial);
}

/* HSM definition ----------------------------------------------------------*/
QState Calc1_initial(Calc1 *me, QEvt const *e) {
    (void)e;               /* avoid compiler warning about unused parameter */
    BSP_clear();
    return Q_TRAN(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_on(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("on-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("on-EXIT;");
            return Q_HANDLED();
        }
        case Q_INIT_SIG: {
            BSP_message("on-INIT;");
            return Q_TRAN(Calc1_state_ready);
        }
        case C_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_on);            /* transition-to-self */
        }
        case OFF_SIG: {
            return Q_TRAN(Calc1_state_final);
        }
    }
    return Q_SUPER(&QHsm_top);
}
/*..........................................................................*/
QState Calc1_error(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("error-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("error-EXIT;");
            return Q_HANDLED();
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_ready(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("ready-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("ready-EXIT;");
            return Q_HANDLED();
        }
        case Q_INIT_SIG: {
            BSP_message("ready-INIT;");
            return Q_TRAN(Calc1_state_begin);
        }
        case DIGIT_0_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_zero1);
        }
        case DIGIT_1_9_SIG: {
            BSP_clear();
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int1);
        }
        case POINT_SIG: {
            BSP_clear();
            BSP_insert((int)'0');
            BSP_insert((int)'.');
            return Q_TRAN(Calc1_state_frac1);
        }
        case OPER_SIG: {
            me->operand1 = BSP_get_value();
            me->operator = ((CalcEvt const *)e)->key_code;
            return Q_TRAN(Calc1_state_opEntered);
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_result(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("result-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("result-EXIT;");
            return Q_HANDLED();
        }
    }
    return Q_SUPER(Calc1_state_ready);
}
/*..........................................................................*/
QState Calc1_begin(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("begin-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("begin-EXIT;");
            return Q_HANDLED();
        }
        case OPER_SIG: {
            if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
                return Q_TRAN(Calc1_state_negated1);
            }
            break;
        }
    }
    return Q_SUPER(Calc1_state_ready);
}
/*..........................................................................*/
QState Calc1_negated1(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("negated1-ENTRY;");
            BSP_negate();
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("negated1-EXIT;");
            return Q_HANDLED();
        }
        case OPER_SIG: {
            if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
                ;                                      /* explicitly ignore */
                return Q_HANDLED();                        /* event handled */
            }
            break;
        }
        case CE_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_begin);
        }
        case DIGIT_0_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_zero1);
        }
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int1);
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac1);
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_negated2(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("negated2-ENTRY;");
            BSP_negate();
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("negated2-EXIT;");
            return Q_HANDLED();
        }
        case OPER_SIG: {
            if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
                ;                                      /* explicitly ignore */
                return Q_HANDLED();                        /* event handled */
            }
            break;
        }
        case CE_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_opEntered);
        }
        case DIGIT_0_SIG: {
            return Q_TRAN(Calc1_state_zero2);
        }
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int2);
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac2);
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_operand1(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("operand1-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("operand1-EXIT;");
            return Q_HANDLED();
        }
        case CE_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_begin);
        }
        case OPER_SIG: {
            me->operand1 = BSP_get_value();
            me->operator = ((CalcEvt const *)e)->key_code;
            return Q_TRAN(Calc1_state_opEntered);
        }
        case EQUALS_SIG: {
            return Q_TRAN(Calc1_state_result);
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_zero1(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("zero1-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("zero1-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG: {
            ;                                          /* explicitly ignore */
            return Q_HANDLED();
        }
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int1);
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac1);
        }
    }
    return Q_SUPER(Calc1_state_operand1);
}
/*..........................................................................*/
QState Calc1_int1(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("int1-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("int1-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG:                     /* intentionally fall through */
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_HANDLED();
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac1);
        }
    }
    return Q_SUPER(Calc1_state_operand1);
}
/*..........................................................................*/
QState Calc1_frac1(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("frac1-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("frac1-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG:                     /* intentionally fall through */
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_HANDLED();
        }
        case POINT_SIG: {
            ;                                          /* explicitly ignore */
            return Q_HANDLED();
        }
    }
    return Q_SUPER(Calc1_state_operand1);
}
/*..........................................................................*/
QState Calc1_opEntered(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("opEntered-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("opEntered-EXIT;");
            return Q_HANDLED();
        }
        case OPER_SIG: {
            if (((CalcEvt const *)e)->key_code == KEY_MINUS) {
                BSP_clear();
                return Q_TRAN(Calc1_state_negated2);
            }
            break;
        }
        case DIGIT_0_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_zero2);
        }
        case DIGIT_1_9_SIG: {
            BSP_clear();
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int2);
        }
        case POINT_SIG: {
            BSP_clear();
            BSP_insert((int)'0');
            BSP_insert((int)'.');
            return Q_TRAN(Calc1_state_frac2);
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_operand2(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("operand2-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("operand2-EXIT;");
            return Q_HANDLED();
        }
        case CE_SIG: {
            BSP_clear();
            return Q_TRAN(Calc1_state_opEntered);
        }
        case OPER_SIG: {
            if (BSP_eval(me->operand1, me->operator, BSP_get_value())) {
                me->operand1 = BSP_get_value();
                me->operator = ((CalcEvt const *)e)->key_code;
                return Q_TRAN(Calc1_state_opEntered);
            }
            else {
                return Q_TRAN(Calc1_state_error);
            }
        }
        case EQUALS_SIG: {
            if (BSP_eval(me->operand1, me->operator, BSP_get_value())) {
                return Q_TRAN(Calc1_state_result);
            }
            else {
                return Q_TRAN(Calc1_state_error);
            }
        }
    }
    return Q_SUPER(Calc1_state_on);
}
/*..........................................................................*/
QState Calc1_zero2(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("zero2-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("zero2-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG: {
            ;                                          /* explicitly ignore */
            return Q_HANDLED();
        }
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_int2);
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac2);
        }
    }
    return Q_SUPER(Calc1_state_operand2);
}
/*..........................................................................*/
QState Calc1_int2(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("int2-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("int2-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG:                     /* intentionally fall through */
        case DIGIT_1_9_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_HANDLED();
        }
        case POINT_SIG: {
            BSP_insert(((CalcEvt const *)e)->key_code);
            return Q_TRAN(Calc1_state_frac2);
        }
    }
    return Q_SUPER(Calc1_state_operand2);
}
/*..........................................................................*/
QState Calc1_frac2(Calc1 *me, QEvt const *e) {
    switch (e->sig) {
        case Q_ENTRY_SIG: {
            BSP_message("frac2-ENTRY;");
            return Q_HANDLED();
        }
        case Q_EXIT_SIG: {
            BSP_message("frac2-EXIT;");
            return Q_HANDLED();
        }
        case DIGIT_0_SIG:                     /* intentionally fall through */
        case DIGIT_1_9_SIG: {
            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);
}