/*******************************************************************************
**
** Function GKI_start_timer
**
** Description An application can call this function to start one of
** it's four general purpose timers. Any of the four timers
** can be 1-shot or continuous. If a timer is already running,
** it will be reset to the new parameters.
**
** Parameters tnum - (input) timer number to be started (TIMER_0,
** TIMER_1, TIMER_2, or TIMER_3)
** ticks - (input) the number of system ticks til the
** timer expires.
** is_continuous - (input) TRUE if timer restarts automatically,
** else FALSE if it is a 'one-shot'.
**
** Returns void
**
*******************************************************************************/
void GKI_start_timer (UINT8 tnum, INT32 ticks, BOOLEAN is_continuous)
{
INT32 reload;
INT32 orig_ticks;
UINT8 task_id = GKI_get_taskid();
BOOLEAN bad_timer = FALSE;
if (ticks <= 0)
ticks = 1;
orig_ticks = ticks; /* save the ticks in case adjustment is necessary */
/* If continuous timer, set reload, else set it to 0 */
if (is_continuous)
reload = ticks;
else
reload = 0;
GKI_disable();
if(gki_timers_is_timer_running() == FALSE)
{
#if (defined(GKI_DELAY_STOP_SYS_TICK) && (GKI_DELAY_STOP_SYS_TICK > 0))
/* if inactivity delay timer is not running, start system tick */
if(gki_cb.com.OSTicksTilStop == 0)
{
#endif
if(gki_cb.com.p_tick_cb)
{
/* start system tick */
gki_cb.com.system_tick_running = TRUE;
(gki_cb.com.p_tick_cb) (TRUE);
}
#if (defined(GKI_DELAY_STOP_SYS_TICK) && (GKI_DELAY_STOP_SYS_TICK > 0))
}
else
{
/* clear inactivity delay timer */
gki_cb.com.OSTicksTilStop = 0;
}
#endif
}
/* Add the time since the last task timer update.
** Note that this works when no timers are active since
** both OSNumOrigTicks and OSTicksTilExp are 0.
*/
if (GKI_MAX_INT32 - (gki_cb.com.OSNumOrigTicks - gki_cb.com.OSTicksTilExp) > ticks)
{
ticks += gki_cb.com.OSNumOrigTicks - gki_cb.com.OSTicksTilExp;
}
else
ticks = GKI_MAX_INT32;
switch (tnum)
{
#if (GKI_NUM_TIMERS > 0)
case TIMER_0:
gki_cb.com.OSTaskTmr0R[task_id] = reload;
gki_cb.com.OSTaskTmr0 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 1)
case TIMER_1:
gki_cb.com.OSTaskTmr1R[task_id] = reload;
gki_cb.com.OSTaskTmr1 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 2)
case TIMER_2:
gki_cb.com.OSTaskTmr2R[task_id] = reload;
gki_cb.com.OSTaskTmr2 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 3)
case TIMER_3:
gki_cb.com.OSTaskTmr3R[task_id] = reload;
gki_cb.com.OSTaskTmr3 [task_id] = ticks;
break;
#endif
default:
bad_timer = TRUE; /* Timer number is bad, so do not use */
}
/* Update the expiration timeout if a legitimate timer */
if (!bad_timer)
{
/* Only update the timeout value if it is less than any other newly started timers */
gki_adjust_timer_count (orig_ticks);
}
GKI_enable();
}
/*******************************************************************************
**
** Function GKI_start_timer
**
** Description An application can call this function to start one of
** it's four general purpose timers. Any of the four timers
** can be 1-shot or continuous. If a timer is already running,
** it will be reset to the new parameters.
**
** Parameters tnum - (input) timer number to be started (TIMER_0,
** TIMER_1, TIMER_2, or TIMER_3)
** ticks - (input) the number of system ticks til the
** timer expires.
** is_continuous - (input) TRUE if timer restarts automatically,
** else FALSE if it is a 'one-shot'.
**
** Returns void
**
*******************************************************************************/
void GKI_start_timer (UINT8 tnum, INT32 ticks, BOOLEAN is_continuous)
{
INT32 reload;
INT32 orig_ticks;
UINT8 task_id = GKI_get_taskid();
BOOLEAN bad_timer = FALSE;
if (ticks <= 0)
ticks = 1;
orig_ticks = ticks; /* save the ticks in case adjustment is necessary */
/* If continuous timer, set reload, else set it to 0 */
if (is_continuous)
reload = ticks;
else
reload = 0;
GKI_disable();
/* Add the time since the last task timer update.
** Note that this works when no timers are active since
** both OSNumOrigTicks and OSTicksTilExp are 0.
*/
if (INT32_MAX - (gki_cb.com.OSNumOrigTicks - gki_cb.com.OSTicksTilExp) > ticks)
{
ticks += gki_cb.com.OSNumOrigTicks - gki_cb.com.OSTicksTilExp;
}
else
ticks = INT32_MAX;
switch (tnum)
{
#if (GKI_NUM_TIMERS > 0)
case TIMER_0:
gki_cb.com.OSTaskTmr0R[task_id] = reload;
gki_cb.com.OSTaskTmr0 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 1)
case TIMER_1:
gki_cb.com.OSTaskTmr1R[task_id] = reload;
gki_cb.com.OSTaskTmr1 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 2)
case TIMER_2:
gki_cb.com.OSTaskTmr2R[task_id] = reload;
gki_cb.com.OSTaskTmr2 [task_id] = ticks;
break;
#endif
#if (GKI_NUM_TIMERS > 3)
case TIMER_3:
gki_cb.com.OSTaskTmr3R[task_id] = reload;
gki_cb.com.OSTaskTmr3 [task_id] = ticks;
break;
#endif
default:
bad_timer = TRUE; /* Timer number is bad, so do not use */
}
/* Update the expiration timeout if a legitimate timer */
if (!bad_timer)
{
/* Only update the timeout value if it is less than any other newly started timers */
gki_adjust_timer_count (orig_ticks);
}
GKI_enable();
}
