QPnano代码解析

最新推荐文章于 2025-07-20 12:00:29 发布

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最新推荐文章于 2025-07-20 12:00:29 发布 · 1k 阅读

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void QF_init(uint_fast8_t maxActive) {
    QActive *a;
    uint_fast8_t p;
    uint_fast8_t n;

    /** @pre the number of active objects must be in range */
    Q_REQUIRE_ID(100, ((uint_fast8_t)1 < maxActive)
                      && (maxActive <= (uint_fast8_t)33));
    QF_maxActive_ = (uint_fast8_t)maxActive - (uint_fast8_t)1;

#ifdef QF_TIMEEVT_USAGE
    for (n = (uint_fast8_t)0; n < (uint_fast8_t)QF_MAX_TICK_RATE; ++n) {
        QF_timerSetX_[n] = (uint_fast8_t)0;
    }
#endif /* QF_TIMEEVT_USAGE */

    QF_readySet_ = (uint_fast32_t)0;

#ifdef qkn_h
    QK_attr_.actPrio = (uint_fast8_t)8; /* QK-nano scheduler locked */

#ifdef QF_ISR_NEST
    QK_attr_.intNest = (uint_fast8_t)0;
#endif

#ifdef QK_SCHED_LOCK
    QK_attr_.lockPrio   = (uint_fast8_t)0;
    QK_attr_.lockHolder = (uint_fast8_t)0;
#endif

#endif /* #ifdef qkn_h */

    /* clear all registered active objects... */
    for (p = (uint_fast8_t)1; p <= QF_maxActive_; ++p) {
        a = QF_ROM_ACTIVE_GET_(p);

        /* QF_active[p] must be initialized */
        Q_ASSERT_ID(110, a != (QActive *)0);

        a->head    = (uint8_t)0;
        a->tail    = (uint8_t)0;
        a->nUsed   = (uint8_t)0;
#if (QF_TIMEEVT_CTR_SIZE != 0)
        for (n = (uint_fast8_t)0; n < (uint_fast8_t)QF_MAX_TICK_RATE; ++n) {
            a->tickCtr[n].nTicks   = (QTimeEvtCtr)0;
#ifdef QF_TIMEEVT_PERIODIC
            a->tickCtr[n].interval = (QTimeEvtCtr)0;
#endif /* def QF_TIMEEVT_PERIODIC */
        }
#endif /* (QF_TIMEEVT_CTR_SIZE != 0) */
    }

#ifdef QV_INIT /* initialization of the QV-nano kernel defined? */
    QV_INIT(); /* port-specific initialization of the QV-nano kernel */
#elif defined QK_INIT /* initialization of the QK-nano kernel defined? */
    QK_INIT(); /* port-specific