qte_rarm.cpp

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// Product: QF/C++
// Last Updated for Version: 4.3.00
// Date of the Last Update:  Nov 01, 2011
//
//                    Q u a n t u m     L e a P s
//                    ---------------------------
//                    innovating embedded systems
//
// Copyright (C) 2002-2011 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:                  info@quantum-leaps.com
#include "qf_pkg.h"
#include "qassert.h"


#ifdef Q_USE_NAMESPACE
namespace QP {
#endif

Q_DEFINE_THIS_MODULE(qte_rarm)

//............................................................................
uint8_t QTimeEvt::rearm(QTimeEvtCtr nTicks) {
    Q_REQUIRE((nTicks > (QTimeEvtCtr)0)        /* cannot rearm with 0 ticks */
              && (sig >= (QSignal)Q_USER_SIG)               /* valid signal */
              && (m_act != (QActive *)0));              // valid active object
    uint8_t isArmed;
    QF_CRIT_STAT_
    QF_CRIT_ENTRY_();
    m_ctr = nTicks;
    if (m_prev == (QTimeEvt *)0) {             // is this time event disarmed?
        isArmed = (uint8_t)0;
        m_next = QF_timeEvtListHead_;
        if (QF_timeEvtListHead_ != (QTimeEvt *)0) {
            QF_timeEvtListHead_->m_prev = this;
        }
        QF_timeEvtListHead_ = this;
        m_prev = this;                             // mark the time evt in use
    }
    else {                                          // the time event is armed
        isArmed = (uint8_t)1;
    }

    QS_BEGIN_NOCRIT_(QS_QF_TIMEEVT_REARM, QS::teObj_, this)
        QS_TIME_();                                               // timestamp
        QS_OBJ_(this);                               // this time event object
        QS_OBJ_(m_act);                                   // the active object
        QS_TEC_(m_ctr);                                 // the number of ticks
        QS_TEC_(m_interval);                                   // the interval
        QS_U8_(isArmed);                               // was the timer armed?
    QS_END_NOCRIT_()

    QF_CRIT_EXIT_();
    return isArmed;
}

#ifdef Q_USE_NAMESPACE
}                                                              // namespace QP
#endif