main.c

事件驱动程序设计很好的框架

/*****************************************************************************
* Product: QDPP example
* Last Updated for Version: 4.0.00
* Date of the Last Update:  Apr 07, 2008
*
*                    Q u a n t u m     L e a P s
*                    ---------------------------
*                    innovating embedded systems
*
* Copyright (C) 2002-2008 Quantum Leaps, LLC. All rights reserved.
*
* This software may be distributed and modified under the terms of the GNU
* General Public License version 2 (GPL) as published by the Free Software
* Foundation and appearing in the file GPL.TXT included in the packaging of
* this file. Please note that GPL Section 2[b] requires that all works based
* on this software must also be made publicly available under the terms of
* the GPL ("Copyleft").
*
* Alternatively, this software may be distributed and modified under the
* terms of Quantum Leaps commercial licenses, which expressly supersede
* the GPL and are specifically designed for licensees interested in
* retaining the proprietary status of their code.
*
* Contact information:
* Quantum Leaps Web site:  http://www.quantum-leaps.com
* e-mail:                  [e-mail]
*****************************************************************************/
#include "qp_port.h"
#include "dpp.h"
#include "bsp.h"

/* Local-scope objects -----------------------------------------------------*/
static QEvent const *l_tableQueueSto[N_PHILO];
static QEvent const *l_philoQueueSto[N_PHILO][N_PHILO];
static QSubscrList   l_subscrSto[MAX_PUB_SIG];

static union SmallEvent {
    void *min_size;
    TableEvt te;
    /* other event types to go into this pool */
} l_smlPoolSto[2*N_PHILO];              /* storage for the small event pool */

/*..........................................................................*/
int main(int argc, char *argv[]) {
    uint8_t n;

    Philo_ctor();             /* instantiate all Philosopher active objects */
    Table_ctor();                    /* instantiate the Table active object */

    BSP_init(argc, argv);           /* initialize the Board Support Package */

    QF_init();     /* initialize the framework and the underlying RT kernel */

    QS_FILTER_ON(QS_ALL_RECORDS);
    QS_FILTER_OFF(QS_QF_INT_LOCK);
    QS_FILTER_OFF(QS_QF_INT_UNLOCK);
    QS_FILTER_OFF(QS_QF_ISR_ENTRY);
    QS_FILTER_OFF(QS_QF_ISR_EXIT);
    QS_FILTER_OFF(QS_QF_TICK);
    QS_FILTER_OFF(QS_QK_SCHEDULE);
                                                  /* object dictionaries... */
    QS_OBJ_DICTIONARY(l_smlPoolSto);
    QS_OBJ_DICTIONARY(l_tableQueueSto);
    QS_OBJ_DICTIONARY(l_philoQueueSto[0]);
    QS_OBJ_DICTIONARY(l_philoQueueSto[1]);
    QS_OBJ_DICTIONARY(l_philoQueueSto[2]);
    QS_OBJ_DICTIONARY(l_philoQueueSto[3]);
    QS_OBJ_DICTIONARY(l_philoQueueSto[4]);

    QF_psInit(l_subscrSto, Q_DIM(l_subscrSto));   /* init publish-subscribe */

                                               /* initialize event pools... */
    QF_poolInit(l_smlPoolSto, sizeof(l_smlPoolSto), sizeof(l_smlPoolSto[0]));

    for (n = 0; n < N_PHILO; ++n) {          /* start the active objects... */
        QActive_start(AO_Philo[n], (uint8_t)(n + 1),
                      l_philoQueueSto[n], Q_DIM(l_philoQueueSto[n]),
                      (void *)0, 0, (QEvent *)0);
    }
    QActive_start(AO_Table, (uint8_t)(N_PHILO + 1),
                  l_tableQueueSto, Q_DIM(l_tableQueueSto),
                  (void *)0, 0, (QEvent *)0);
    QF_run();                                     /* run the QF application */

    return 0;
}