// Handle an incoming event message (timer expiration).
// Return TRUE if the message was handled, otherwise FALSE.
UtlBoolean PsButtonTask::handleEventMessage(const OsEventMsg& rMsg)
{
int index;
PsButtonInfo* pButtonInfo;
PsPhoneTask* pPhoneTask;
UtlBoolean processed;
OsTimer* pTimer;
OsStatus res;
OsWriteLock lock(mMutex); // acquire a write lock
if (mpButtonInfo == NULL) // if not yet initialized, just return
return FALSE;
processed = TRUE;
switch(rMsg.getMsgSubType())
{
case OsEventMsg::NOTIFY:
rMsg.getUserData(index); // get button index
rMsg.getEventData((int&) pTimer); // get timer object
assert(index > 0 && index <= mMaxBtnIdx); // check for valid index
pButtonInfo = &mpButtonInfo[index]; // get ptr to button info
// In order to send the phone set task a button repeat message, three
// conditions must be satisfied:
// 1) The button must currently be down
// 2) The BUTTON_REPEAT event must be enabled for this button
// 3) The pointers to the OsTimer object in the mpRepTimers array and
// the event message must match (otherwise, we may be processing an
// event message for an OsTimer object that has already be released.
if ((pButtonInfo->getState() == PsButtonInfo::DOWN) &&
(pButtonInfo->getEventMask() & PsButtonInfo::BUTTON_REPEAT) &&
(mpRepTimers[index] == pTimer))
{ // post msg to the phone set
pPhoneTask = PsPhoneTask::getPhoneTask();
res = pPhoneTask->postEvent(PsMsg::BUTTON_REPEAT, // msg type
this, // source
index, // button index
pButtonInfo->getId()); // button id
assert(res == OS_SUCCESS);
}
break;
default:
processed = FALSE; // unexpected message subtype
break;
}
return processed;
}
// Handle an incoming event message (timer expiration).
// Return TRUE if the message was handled, otherwise FALSE.
// A write lock should be acquired before calling this method.
UtlBoolean PsHookswTask::handleEventMessage(const OsEventMsg& rMsg)
{
int debounceInterval;
int hookswState;
PsPhoneTask* pPhoneTask;
UtlBoolean processed;
OsTimer* pTimer;
OsStatus res;
processed = TRUE;
switch(rMsg.getMsgSubType())
{
case OsEventMsg::NOTIFY:
rMsg.getEventData((int&) pTimer); // get timer object
assert(pTimer == mpTimer);
hookswState = readHwHookswState();// determine HW hook state
#ifdef HOOKSW_TEMP_HACK
if (oldStyleHooksw)
{
if (hookswState == mHookswState)
{ // no change since last time,
if (mHookswState == ON_HOOK) // enable the hooksw interrupt
mpHookswDev->enableIntr(TRUE); // look for off hook
else
mpHookswDev->enableIntr(FALSE); // look for on hook
}
else
{
mHookswState = hookswState; // update the hookswitch state
// Send a hookswitch message to the phone set with the new state
pPhoneTask = PsPhoneTask::getPhoneTask();
res = pPhoneTask->postEvent(PsMsg::HOOKSW_STATE, // msg type
this, // source
mHookswState, // hooksw state
0); // not used
assert(res == OS_SUCCESS);
startDebounceTimer(); // rearm the debounce timer
}
}
else
{
#endif
mDebounceTicks++;
switch (mDebounceState)
{
case SHORT_DEBOUNCE:
case LONG_DEBOUNCE:
debounceInterval = ((mDebounceState == SHORT_DEBOUNCE)
? SHORT_DEBOUNCE_MSECS : LONG_DEBOUNCE_MSECS);
if (mDebounceHookswState != hookswState) // is state still bouncing?
{
mDebounceHookswState = hookswState; // stay in the current
mDebounceTicks = 0; // state
}
if ((mDebounceTicks * DEBOUNCE_TIMER_MSECS) >= debounceInterval)
{
if (mDebounceHookswState != mHookswState)
{
mHookswState = hookswState; // update the hookswitch state
// Send a hookswitch message to the phone set with the new state
pPhoneTask = PsPhoneTask::getPhoneTask();
res = pPhoneTask->postEvent(PsMsg::HOOKSW_STATE, // msg type
this, // source
mHookswState, // hooksw state
0); // not used
assert(res == OS_SUCCESS);
mDebounceState = ((mDebounceState == SHORT_DEBOUNCE)
? LONG_DEBOUNCE : WAIT_FOR_INTR);
mDebounceTicks = 0;
}
else
{
mDebounceState = WAIT_FOR_INTR;// enable the hooksw interrupt
mDebounceTicks = 0;
}
}
break;
case WAIT_FOR_INTR: // fall through
default:
assert(FALSE);
break;
}
if (mDebounceState == WAIT_FOR_INTR)
{
if (mHookswState == ON_HOOK) // enable the hooksw interrupt
mpHookswDev->enableIntr(TRUE); // look for off hook
else
mpHookswDev->enableIntr(FALSE); // look for on hook
}
else
{
startDebounceTimer();
}
#ifdef HOOKSW_TEMP_HACK
}
#endif
break;
default:
processed = FALSE; // unexpected message subtype
break;
}
return processed;
}
