qpcpp/examples/performance/dpp_efm32-slstk3401a/table.cpp

//.$file${.::table.cpp} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
//
// Model: dpp_qmsm.qm
// File:  ${.::table.cpp}
//
// This code has been generated by QM 4.6.0 <www.state-machine.com/qm/>.
// DO NOT EDIT THIS FILE MANUALLY. All your changes will be lost.
//
// This code is covered by the following QP license:
// License #   : QPCPP-EVAL
// Issued to   : Institution or an individual evaluating the QP/C++ framework
// Framework(s): qpcpp
// Support ends: 2020-12-31
// Product(s)  :
// This license is available only for evaluation purposes and
// the generated code is still licensed under the terms of GPL.
// Please submit request for extension of the evaluaion period at:
// <www.state-machine.com/licensing>/licensing/#RequestForm
//
//.$endhead${.::table.cpp} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
#include "qpcpp.hpp"
#include "dpp.hpp"
#include "bsp.hpp"

Q_DEFINE_THIS_FILE

// Active object class -------------------------------------------------------
//.$declare${AOs::Table} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
namespace DPP {

//.${AOs::Table} .............................................................
class Table : public QP::QMActive {
private:
    uint8_t m_fork[N_PHILO];
    bool m_isHungry[N_PHILO];

public:
    Table();

protected:
    QM_STATE_DECL( initial);
    QM_STATE_DECL( active);
    QM_STATE_DECL( serving);
    QM_ACTION_DECL(serving_e);
    QM_STATE_DECL( paused);
    QM_ACTION_DECL(paused_e);
    QM_ACTION_DECL(paused_x);
};

} // namespace DPP
//.$enddecl${AOs::Table} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

namespace DPP {

// helper function to provide the RIGHT neighbour of a Philo[n]
inline uint8_t RIGHT(uint8_t const n) {
    return static_cast<uint8_t>((n + (N_PHILO - 1U)) % N_PHILO);
}

// helper function to provide the LEFT neighbour of a Philo[n]
inline uint8_t LEFT(uint8_t const n) {
    return static_cast<uint8_t>((n + 1U) % N_PHILO);
}

static uint8_t const FREE = static_cast<uint8_t>(0);
static uint8_t const USED = static_cast<uint8_t>(1);

static char const * const THINKING = &"thinking"[0];
static char const * const HUNGRY   = &"hungry  "[0];
static char const * const EATING   = &"eating  "[0];

// Local objects -------------------------------------------------------------
static Table l_table; // the single instance of the Table active object

// Global-scope objects ------------------------------------------------------
QP::QActive * const AO_Table = &l_table; // "opaque" AO pointer

} // namespace DPP

//............................................................................
//.$skip${QP_VERSION} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
//. Check for the minimum required QP version
#if (QP_VERSION < 650U) || (QP_VERSION != ((QP_RELEASE^4294967295U) % 0x3E8U))
#error qpcpp version 6.5.0 or higher required
#endif
//.$endskip${QP_VERSION} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//.$define${AOs::Table} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
namespace DPP {

//.${AOs::Table} .............................................................
//.${AOs::Table::Table} ......................................................
Table::Table()
  : QMActive(Q_STATE_CAST(&Table::initial))
{
    for (uint8_t n = 0U; n < N_PHILO; ++n) {
        m_fork[n] = FREE;
        m_isHungry[n] = false;
    }
}

//.${AOs::Table::SM} .........................................................
QM_STATE_DEF(Table, initial) {
    //.${AOs::Table::SM::initial}
    (void)e; // suppress the compiler warning about unused parameter

    QS_OBJ_DICTIONARY(&l_table);
    QS_FUN_DICTIONARY(&QP::QHsm::top);
    QS_FUN_DICTIONARY(&Table::initial);
    QS_FUN_DICTIONARY(&Table::active);
    QS_FUN_DICTIONARY(&Table::serving);
    QS_FUN_DICTIONARY(&Table::paused);

    QS_SIG_DICTIONARY(DONE_SIG,      nullptr); // global signals
    QS_SIG_DICTIONARY(EAT_SIG,       nullptr);
    QS_SIG_DICTIONARY(PAUSE_SIG,     nullptr);
    QS_SIG_DICTIONARY(SERVE_SIG,     nullptr);
    QS_SIG_DICTIONARY(TEST_SIG,      nullptr);

    QS_SIG_DICTIONARY(HUNGRY_SIG,    this); // signal just for Table

    subscribe(DONE_SIG);
    subscribe(PAUSE_SIG);
    subscribe(SERVE_SIG);
    subscribe(TEST_SIG);

    for (uint8_t n = 0U; n < N_PHILO; ++n) {
        m_fork[n] = FREE;
        m_isHungry[n] = false;
        BSP::displayPhilStat(n, THINKING);
    }

    QS_FUN_DICTIONARY(&active);
    QS_FUN_DICTIONARY(&serving);
    QS_FUN_DICTIONARY(&paused);

    static struct {
        QP::QMState const *target;
        QP::QActionHandler act[2];
    } const tatbl_ = { // tran-action table
        &serving_s, // target state
        {
            &serving_e, // entry
            Q_ACTION_NULL // zero terminator
        }
    };
    return qm_tran_init(&tatbl_);
}
//.${AOs::Table::SM::active} .................................................
QP::QMState const Table::active_s = {
    QM_STATE_NULL, // superstate (top)
    &Table::active,
    Q_ACTION_NULL, // no entry action
    Q_ACTION_NULL, // no exit action
    Q_ACTION_NULL  // no initial tran.
};
//.${AOs::Table::SM::active}
QM_STATE_DEF(Table, active) {
    QP::QState status_;
    switch (e->sig) {
        //.${AOs::Table::SM::active::TEST}
        case TEST_SIG: {
            status_ = Q_RET_HANDLED;
            break;
        }
        //.${AOs::Table::SM::active::EAT}
        case EAT_SIG: {
            Q_ERROR();
            status_ = Q_RET_HANDLED;
            break;
        }
        default: {
            status_ = Q_RET_SUPER;
            break;
        }
    }
    return status_;
}
//.${AOs::Table::SM::active::serving} ........................................
QP::QMState const Table::serving_s = {
    &Table::active_s, // superstate
    &Table::serving,
    &Table::serving_e,
    Q_ACTION_NULL, // no exit action
    Q_ACTION_NULL  // no initial tran.
};
//.${AOs::Table::SM::active::serving}
QM_ACTION_DEF(Table, serving_e) {
    for (uint8_t n = 0U; n < N_PHILO; ++n) { // give permissions to eat...
        if (m_isHungry[n]
            && (m_fork[LEFT(n)] == FREE)
            && (m_fork[n] == FREE))
        {
            m_fork[LEFT(n)] = USED;
            m_fork[n] = USED;
            TableEvt *te = Q_NEW(TableEvt, EAT_SIG);
            te->philoNum = n;
            QP::QF::PUBLISH(te, this);
            m_isHungry[n] = false;
            BSP::displayPhilStat(n, EATING);
        }
    }
    return qm_entry(&serving_s);
}
//.${AOs::Table::SM::active::serving}
QM_STATE_DEF(Table, serving) {
    QP::QState status_;
    switch (e->sig) {
        //.${AOs::Table::SM::active::serving::HUNGRY}
        case HUNGRY_SIG: {
            uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
            // phil ID must be in range and he must be not hungry
            Q_ASSERT((n < N_PHILO) && (!m_isHungry[n]));

            BSP::displayPhilStat(n, HUNGRY);
            uint8_t m = LEFT(n);
            //.${AOs::Table::SM::active::serving::HUNGRY::[bothfree]}
            if ((m_fork[m] == FREE) && (m_fork[n] == FREE)) {
                m_fork[m] = USED;
                m_fork[n] = USED;
                TableEvt *pe = Q_NEW(TableEvt, EAT_SIG);
                pe->philoNum = n;
                QP::QF::PUBLISH(pe, this);
                BSP::displayPhilStat(n, EATING);
                status_ = Q_RET_HANDLED;
            }
            //.${AOs::Table::SM::active::serving::HUNGRY::[else]}
            else {
                m_isHungry[n] = true;
                status_ = Q_RET_HANDLED;
            }
            break;
        }
        //.${AOs::Table::SM::active::serving::DONE}
        case DONE_SIG: {
            uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
            // phil ID must be in range and he must be not hungry
            Q_ASSERT((n < N_PHILO) && (!m_isHungry[n]));

            BSP::displayPhilStat(n, THINKING);
            uint8_t m = LEFT(n);
            // both forks of Phil[n] must be used
            Q_ASSERT((m_fork[n] == USED) && (m_fork[m] == USED));

            m_fork[m] = FREE;
            m_fork[n] = FREE;
            m = RIGHT(n); // check the right neighbor

            if (m_isHungry[m] && (m_fork[m] == FREE)) {
                m_fork[n] = USED;
                m_fork[m] = USED;
                m_isHungry[m] = false;
                TableEvt *pe = Q_NEW(TableEvt, EAT_SIG);
                pe->philoNum = m;
                QP::QF::PUBLISH(pe, this);
                BSP::displayPhilStat(m, EATING);
            }
            m = LEFT(n); // check the left neighbor
            n = LEFT(m); // left fork of the left neighbor
            if (m_isHungry[m] && (m_fork[n] == FREE)) {
                m_fork[m] = USED;
                m_fork[n] = USED;
                m_isHungry[m] = false;
                TableEvt *pe = Q_NEW(TableEvt, EAT_SIG);
                pe->philoNum = m;
                QP::QF::PUBLISH(pe, this);
                BSP::displayPhilStat(m, EATING);
            }
            status_ = Q_RET_HANDLED;
            break;
        }
        //.${AOs::Table::SM::active::serving::EAT}
        case EAT_SIG: {
            Q_ERROR();
            status_ = Q_RET_HANDLED;
            break;
        }
        //.${AOs::Table::SM::active::serving::PAUSE}
        case PAUSE_SIG: {

            static struct {
                QP::QMState const *target;
                QP::QActionHandler act[2];
            } const tatbl_ = { // tran-action table
                &paused_s, // target state
                {
                    &paused_e, // entry
                    Q_ACTION_NULL // zero terminator
                }
            };
            status_ = qm_tran(&tatbl_);
            break;
        }
        default: {
            status_ = Q_RET_SUPER;
            break;
        }
    }
    return status_;
}
//.${AOs::Table::SM::active::paused} .........................................
QP::QMState const Table::paused_s = {
    &Table::active_s, // superstate
    &Table::paused,
    &Table::paused_e,
    &Table::paused_x,
    Q_ACTION_NULL  // no initial tran.
};
//.${AOs::Table::SM::active::paused}
QM_ACTION_DEF(Table, paused_e) {
    BSP::displayPaused(1U);
    return qm_entry(&paused_s);
}
//.${AOs::Table::SM::active::paused}
QM_ACTION_DEF(Table, paused_x) {
    BSP::displayPaused(0U);
    return qm_exit(&paused_s);
}
//.${AOs::Table::SM::active::paused}
QM_STATE_DEF(Table, paused) {
    QP::QState status_;
    switch (e->sig) {
        //.${AOs::Table::SM::active::paused::SERVE}
        case SERVE_SIG: {

            static struct {
                QP::QMState const *target;
                QP::QActionHandler act[3];
            } const tatbl_ = { // tran-action table
                &serving_s, // target state
                {
                    &paused_x, // exit
                    &serving_e, // entry
                    Q_ACTION_NULL // zero terminator
                }
            };
            status_ = qm_tran(&tatbl_);
            break;
        }
        //.${AOs::Table::SM::active::paused::HUNGRY}
        case HUNGRY_SIG: {
            uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
            // philo ID must be in range and he must be not hungry
            Q_ASSERT((n < N_PHILO) && (!m_isHungry[n]));
            m_isHungry[n] = true;
            BSP::displayPhilStat(n, HUNGRY);
            status_ = Q_RET_HANDLED;
            break;
        }
        //.${AOs::Table::SM::active::paused::DONE}
        case DONE_SIG: {
            uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
            // phil ID must be in range and he must be not hungry
            Q_ASSERT((n < N_PHILO) && (!m_isHungry[n]));

            BSP::displayPhilStat(n, THINKING);
            uint8_t m = LEFT(n);
            /* both forks of Phil[n] must be used */
            Q_ASSERT((m_fork[n] == USED) && (m_fork[m] == USED));

            m_fork[m] = FREE;
            m_fork[n] = FREE;
            status_ = Q_RET_HANDLED;
            break;
        }
        default: {
            status_ = Q_RET_SUPER;
            break;
        }
    }
    return status_;
}

} // namespace DPP
//.$enddef${AOs::Table} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^