dpp.h

事件驱动程序设计很好的框架

/*****************************************************************************
* Product: DPP 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]
*****************************************************************************/
#ifndef dpp_h
#define dpp_h

enum DPPSignals {
   EAT_SIG = Q_USER_SIG,     /* published by Table to let a philosopher eat */
   DONE_SIG,                   /* published by Philosopher when done eating */
   TERMINATE_SIG,          /* published by BSP to terminate the application */
   MAX_PUB_SIG,                                /* the last published signal */

   HUNGRY_SIG,          /* posted direclty to Table from hungry Philosopher */
   MAX_SIG                                               /* the last signal */
};

typedef struct TableEvtTag {
    QEvent super;                                    /* derives from QEvent */
    uint8_t philoNum;                                 /* philosopher number */
} TableEvt;

enum { N_PHILO = 5 };                             /* number of philosophers */

void Philo_ctor(void);
void Table_ctor(void);

extern QActive * const AO_Philo[N_PHILO]; /* "opaque" pointers to Philo AO */
extern QActive * const AO_Table;          /* "opaque" pointer  to Table AO */

#endif                                                             /* dpp_h */