qpcpp/examples/msp430/vanilla/iar/dpp-eZ430-RF2500/philo.cpp

//////////////////////////////////////////////////////////////////////////////
// Model: dpp.qm
// File:  ./philo.cpp
//
// This file has been generated automatically by QP Modeler (QM).
// DO NOT EDIT THIS FILE MANUALLY.
//
// Please visit www.state-machine.com/qm for more information.
//////////////////////////////////////////////////////////////////////////////
#include "qp_port.h"
#include "dpp.h"
#include "bsp.h"

//Q_DEFINE_THIS_FILE

/* Active object class -----------------------------------------------------*/
// @(/2/0) ...................................................................
class Philo : public QP::QActive {
private:
    QTimeEvt m_timeEvt;

public:
    Philo();

protected:
    static QP::QState initial(Philo * const me, QP::QEvt const * const e);
    static QP::QState thinking(Philo * const me, QP::QEvt const * const e);
    static QP::QState hungry(Philo * const me, QP::QEvt const * const e);
    static QP::QState eating(Philo * const me, QP::QEvt const * const e);
};

/* Local objects -----------------------------------------------------------*/
static Philo l_philo[N_PHILO];                    /* storage for all Philos */

#define THINK_TIME  ((BSP_TICKS_PER_SEC) / 2)
#define EAT_TIME    ((BSP_TICKS_PER_SEC) / 5)

                           /* helper macro to provide the ID of Philo "me_" */
#define PHILO_ID(me_)    ((uint8_t)((me_) - l_philo))

enum InternalSignals {                                  /* internal signals */
    TIMEOUT_SIG = MAX_SIG
};

/* Global objects ----------------------------------------------------------*/
QActive * const AO_Philo[N_PHILO] = {      /* "opaque" pointers to Philo AO */
    (QActive *)&l_philo[0],
    (QActive *)&l_philo[1],
    (QActive *)&l_philo[2],
    (QActive *)&l_philo[3],
    (QActive *)&l_philo[4]
};

/* Philo definition --------------------------------------------------------*/
// @(/2/0) ...................................................................
// @(/2/0/1) .................................................................
Philo::Philo() 
  : QActive((QStateHandler)&Philo::initial),
    m_timeEvt(TIMEOUT_SIG)
{
}

// @(/2/0/2) .................................................................
// @(/2/0/2/0)
QP::QState Philo::initial(Philo * const me, QP::QEvt const * const e) {
    static uint8_t registered; // starts off with 0, per C-standard
    (void)e; // suppress the compiler warning about unused parameter
    if (!registered) {
        QS_OBJ_DICTIONARY(&l_philo[0]);
        QS_OBJ_DICTIONARY(&l_philo[0].m_timeEvt);
        QS_OBJ_DICTIONARY(&l_philo[1]);
        QS_OBJ_DICTIONARY(&l_philo[1].m_timeEvt);
        QS_OBJ_DICTIONARY(&l_philo[2]);
        QS_OBJ_DICTIONARY(&l_philo[2].m_timeEvt);
        QS_OBJ_DICTIONARY(&l_philo[3]);
        QS_OBJ_DICTIONARY(&l_philo[3].m_timeEvt);
        QS_OBJ_DICTIONARY(&l_philo[4]);
        QS_OBJ_DICTIONARY(&l_philo[4].m_timeEvt);

        QS_FUN_DICTIONARY(&Philo::initial);
        QS_FUN_DICTIONARY(&Philo::thinking);
        QS_FUN_DICTIONARY(&Philo::hungry);
        QS_FUN_DICTIONARY(&Philo::eating);

        registered = (uint8_t)1;
    }
    QS_SIG_DICTIONARY(HUNGRY_SIG, me);  // signal for each Philos
    QS_SIG_DICTIONARY(TIMEOUT_SIG, me); // signal for each Philos

    //me->subscribe(EAT_SIG);
    return Q_TRAN(&Philo::thinking);
}
// @(/2/0/2/1) ...............................................................
QP::QState Philo::thinking(Philo * const me, QP::QEvt const * const e) {
    QP::QState status;
    switch (e->sig) {
        // @(/2/0/2/1)
        case Q_ENTRY_SIG: {
            me->m_timeEvt.postIn(me, THINK_TIME);
            status = Q_HANDLED();
            break;
        }
        // @(/2/0/2/1/0)
        case TIMEOUT_SIG: {
            BSP_busyDelay();
            status = Q_TRAN(&Philo::hungry);
            break;
        }
        default: {
            status = Q_SUPER(&QHsm::top);
            break;
        }
    }
    return status;
}
// @(/2/0/2/2) ...............................................................
QP::QState Philo::hungry(Philo * const me, QP::QEvt const * const e) {
    QP::QState status;
    switch (e->sig) {
        // @(/2/0/2/2)
        case Q_ENTRY_SIG: {
            TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG);
            pe->philoNum = PHILO_ID(me);
            AO_Table->POST(pe, me);
            status = Q_HANDLED();
            break;
        }
        // @(/2/0/2/2/0)
        case EAT_SIG: {
            // @(/2/0/2/2/0/0)
            if (((TableEvt const *)e)->philoNum == PHILO_ID(me)) {
                BSP_busyDelay();
                status = Q_TRAN(&Philo::eating);
            }
            else {
                status = Q_UNHANDLED();
            }
            break;
        }
        default: {
            status = Q_SUPER(&QHsm::top);
            break;
        }
    }
    return status;
}
// @(/2/0/2/3) ...............................................................
QP::QState Philo::eating(Philo * const me, QP::QEvt const * const e) {
    QP::QState status;
    switch (e->sig) {
        // @(/2/0/2/3)
        case Q_ENTRY_SIG: {
            me->m_timeEvt.postIn(me, EAT_TIME);
            status = Q_HANDLED();
            break;
        }
        // @(/2/0/2/3)
        case Q_EXIT_SIG: {
            TableEvt *pe = Q_NEW(TableEvt, DONE_SIG);
            pe->philoNum = PHILO_ID(me);
            AO_Table->POST(pe, me);
            status = Q_HANDLED();
            break;
        }
        // @(/2/0/2/3/0)
        case TIMEOUT_SIG: {
            BSP_busyDelay();
            status = Q_TRAN(&Philo::thinking);
            break;
        }
        default: {
            status = Q_SUPER(&QHsm::top);
            break;
        }
    }
    return status;
}