/***************************************************************************** * Model: dpp.qm * File: ./philo.c * * This code has been generated by QM tool (see state-machine.com/qm). * DO NOT EDIT THIS FILE MANUALLY. All your changes will be lost. * * 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. * * 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. *****************************************************************************/ /* @(/3/1) .................................................................*/ #include "qp_port.h" #include "dpp.h" #include "bsp.h" Q_DEFINE_THIS_FILE /* Active object class -----------------------------------------------------*/ /* @(/2/0) .................................................................*/ typedef struct PhiloTag { /* protected: */ QActive super; /* private: */ QTimeEvt timeEvt; } Philo; /* protected: */ static QState Philo_initial(Philo * const me, QEvt const * const e); static QState Philo_thinking(Philo * const me, QEvt const * const e); static QState Philo_hungry(Philo * const me, QEvt const * const e); static QState Philo_eating(Philo * const me, QEvt const * const e); /* Local objects -----------------------------------------------------------*/ static Philo l_philo[N_PHILO]; /* storage for all Philos */ #define THINK_TIME \ (QTimeEvtCtr)((BSP_random() % BSP_TICKS_PER_SEC) + (BSP_TICKS_PER_SEC/2U)) #define EAT_TIME \ (QTimeEvtCtr)((BSP_random() % BSP_TICKS_PER_SEC) + BSP_TICKS_PER_SEC) /* 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 */ &l_philo[0].super, &l_philo[1].super, &l_philo[2].super, &l_philo[3].super, &l_philo[4].super }; /* Philo definition --------------------------------------------------------*/ /* @(/2/4) .................................................................*/ void Philo_ctor(void) { uint8_t n; Philo *me; for (n = 0U; n < N_PHILO; ++n) { me = &l_philo[n]; QActive_ctor(&me->super, Q_STATE_CAST(&Philo_initial)); QTimeEvt_ctor(&me->timeEvt, TIMEOUT_SIG); } } /* @(/2/0) .................................................................*/ /* @(/2/0/1) ...............................................................*/ /* @(/2/0/1/0) */ static QState Philo_initial(Philo * const me, QEvt const * const e) { static uint8_t registered = (uint8_t)0; /* starts off with 0, per C-standard */ (void)e; /* suppress the compiler warning about unused parameter */ if (registered == (uint8_t)0) { registered = (uint8_t)1; QS_OBJ_DICTIONARY(&l_philo[0]); QS_OBJ_DICTIONARY(&l_philo[0].timeEvt); QS_OBJ_DICTIONARY(&l_philo[1]); QS_OBJ_DICTIONARY(&l_philo[1].timeEvt); QS_OBJ_DICTIONARY(&l_philo[2]); QS_OBJ_DICTIONARY(&l_philo[2].timeEvt); QS_OBJ_DICTIONARY(&l_philo[3]); QS_OBJ_DICTIONARY(&l_philo[3].timeEvt); QS_OBJ_DICTIONARY(&l_philo[4]); QS_OBJ_DICTIONARY(&l_philo[4].timeEvt); QS_FUN_DICTIONARY(&Philo_initial); QS_FUN_DICTIONARY(&Philo_thinking); QS_FUN_DICTIONARY(&Philo_hungry); QS_FUN_DICTIONARY(&Philo_eating); } QS_SIG_DICTIONARY(HUNGRY_SIG, me); /* signal for each Philos */ QS_SIG_DICTIONARY(TIMEOUT_SIG, me); /* signal for each Philos */ QActive_subscribe(&me->super, EAT_SIG); return Q_TRAN(&Philo_thinking); } /* @(/2/0/1/1) .............................................................*/ static QState Philo_thinking(Philo * const me, QEvt const * const e) { QState status_; switch (e->sig) { /* @(/2/0/1/1) */ case Q_ENTRY_SIG: { QTimeEvt_postIn(&me->timeEvt, &me->super, THINK_TIME); status_ = Q_HANDLED(); break; } /* @(/2/0/1/1/0) */ case TIMEOUT_SIG: { status_ = Q_TRAN(&Philo_hungry); break; } /* @(/2/0/1/1/1) */ case EAT_SIG: /* intentionally fall through */ case DONE_SIG: { /* EAT or DONE must be for other Philos than this one */ Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me)); status_ = Q_HANDLED(); break; } default: { status_ = Q_SUPER(&QHsm_top); break; } } return status_; } /* @(/2/0/1/2) .............................................................*/ static QState Philo_hungry(Philo * const me, QEvt const * const e) { QState status_; switch (e->sig) { /* @(/2/0/1/2) */ case Q_ENTRY_SIG: { TableEvt *pe = Q_NEW(TableEvt, HUNGRY_SIG); pe->philoNum = PHILO_ID(me); QACTIVE_POST(AO_Table, &pe->super, me); status_ = Q_HANDLED(); break; } /* @(/2/0/1/2/0) */ case EAT_SIG: { /* @(/2/0/1/2/0/0) */ if (Q_EVT_CAST(TableEvt)->philoNum == PHILO_ID(me)) { status_ = Q_TRAN(&Philo_eating); } else { status_ = Q_UNHANDLED(); } break; } /* @(/2/0/1/2/1) */ case DONE_SIG: { /* DONE must be for other Philos than this one */ Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me)); status_ = Q_HANDLED(); break; } default: { status_ = Q_SUPER(&QHsm_top); break; } } return status_; } /* @(/2/0/1/3) .............................................................*/ static QState Philo_eating(Philo * const me, QEvt const * const e) { QState status_; switch (e->sig) { /* @(/2/0/1/3) */ case Q_ENTRY_SIG: { QTimeEvt_postIn(&me->timeEvt, &me->super, EAT_TIME); status_ = Q_HANDLED(); break; } /* @(/2/0/1/3) */ case Q_EXIT_SIG: { TableEvt *pe = Q_NEW(TableEvt, DONE_SIG); pe->philoNum = PHILO_ID(me); QF_PUBLISH(&pe->super, me); status_ = Q_HANDLED(); break; } /* @(/2/0/1/3/0) */ case TIMEOUT_SIG: { status_ = Q_TRAN(&Philo_thinking); break; } /* @(/2/0/1/3/1) */ case EAT_SIG: /* intentionally fall through */ case DONE_SIG: { /* EAT or DONE must be for other Philos than this one */ Q_ASSERT(Q_EVT_CAST(TableEvt)->philoNum != PHILO_ID(me)); status_ = Q_HANDLED(); break; } default: { status_ = Q_SUPER(&QHsm_top); break; } } return status_; }