kbdmgr.c

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/*****************************************************************************
* Product: QDPP example
* Last Updated for Version: 3.2.04
* Date of the Last Update:  Nov 30, 2006
*
*                    Q u a n t u m     L e a P s
*                    ---------------------------
*                    innovating embedded systems
*
* Copyright (C) 2002-2006 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 "qf_port.h"
#include "qdpp.h"
#include "qassert.h"

Q_DEFINE_THIS_FILE

typedef struct KbdMgrTag KbdMgr;
struct KbdMgrTag {                                      /* keyboard manager */
    QActive super_;                                /* inherits from QActive */
};

void KbdMgr_ctor(KbdMgr *me);
static void KbdMgr_initial(KbdMgr *me, QEvent const *e);
static QSTATE KbdMgr_active(KbdMgr *me, QEvent const *e);

/*..........................................................................*/
void kbdMgrStart(uint8_t prio,
                 QEvent const *qSto[], uint32_t qLen)
{
    static KbdMgr k;
    KbdMgr_ctor(&k);                                  /* explicit Ctor call */
    QActive_start((QActive *)&k, prio,
                  qSto, qLen,
                  (void *)0,                     /* no thread-local storage */
                  QK_FPU_THREAD,               /* this thread uses FPU, say */
                  (QEvent *)0);                  /* no initialization event */
}
/*..........................................................................*/
void KbdMgr_ctor(KbdMgr *me) {
    QActive_ctor_(&me->super_, (QState)&KbdMgr_initial);
}
/*..........................................................................*/
void KbdMgr_initial(KbdMgr *me, QEvent const *e) {
    (void)e;                               /* suppress the compiler warning */
    QActive_subscribe_((QActive *)me, KBD_SIG);
    Q_INIT(&KbdMgr_active);
}
/*..........................................................................*/
QSTATE KbdMgr_active(KbdMgr *me, QEvent const *e) {
    (void)me;                             /* eliminate the compiler warning */
    switch (e->sig) {
        case KBD_SIG: {
            busyDelay();
            displayKey(((KbdEvt const *)e)->key);
            if (((KbdEvt const *)e)->key == (uint8_t)0x81) {
                QF_publish(Q_NEW(QEvent, TERMINATE_SIG));
            }
            return 0;
        }
    }
    return (QSTATE)&QHsm_top;
}