Example #1
0
/* Triggered when Timer 0 reaches 0. */
void __hw_clock_source_irq(void)
{
	/* Make sure that the interrupt actually fired. */
	if (!(ROTOR_MCU_TMR_TNIS(0) & (1 << 0)))
		return;
	/*
	 * Clear the interrupt by reading the TNEOI register.  Reading from this
	 * register returns all zeroes.
	 */
	if (ROTOR_MCU_TMR_TNEOI(0))
		;

#ifdef BOARD_REI
	/* Process timers indicating the overflow event. */
	process_timers(1);
#else
	rollover_cnt++;
	if (rollover_cnt >= (clock_get_freq() / 1000000)) {
		/* Process timers indicating the overflow event. */
		process_timers(1);
		rollover_cnt = 0;
	} else {
		process_timers(0);
	}
#endif /* defined(BOARD_REI) */
}
Example #2
0
/* This handles rollover in the HW timer */
void __hw_clock_source_irq(void)
{
	/* Clear the interrupt */
	GR_TIMEHS_INTCLR(0, 1) = 0x1;

	/* The one-tick-per-clock HW counter has rolled over. */
	hw_rollover_count++;
	/* Has the system's usec counter rolled over? */
	if (hw_rollover_count >= clock_mul_factor) {
		hw_rollover_count = 0;
		process_timers(1);
	} else {
		process_timers(0);
	}
}
Example #3
0
int
sel_select(selector_t      *sel,
	   sel_send_sig_cb send_sig,
	   long            thread_id,
	   void            *cb_data,
	   struct timeval  *timeout)
{
    int             err;
    struct timeval  loc_timeout;
    sel_wait_list_t wait_entry;

    if (sel->have_timer_lock)
	sel->os_hnd->lock(sel->os_hnd, sel->timer_lock);
    process_timers(sel, (struct timeval *)(&loc_timeout));
    if (timeout) { 
	if (cmp_timeval((struct timeval *)(&loc_timeout), timeout) >= 0)
	    memcpy(&loc_timeout, timeout, sizeof(loc_timeout));
    }
    add_sel_wait_list(sel, &wait_entry, send_sig, cb_data, thread_id,
		      &loc_timeout);
    if (sel->have_timer_lock)
	sel->os_hnd->unlock(sel->os_hnd, sel->timer_lock);

    err = process_fds(sel, send_sig, thread_id, cb_data, &loc_timeout);

    if (sel->have_timer_lock)
	sel->os_hnd->lock(sel->os_hnd, sel->timer_lock);
    remove_sel_wait_list(sel, &wait_entry);
    if (sel->have_timer_lock)
	sel->os_hnd->unlock(sel->os_hnd, sel->timer_lock);
    return err;
}
Example #4
0
void handle_alarm(void) {
  int new_timeout = 0;

  /* We need to adjust for any time that might be remaining on the alarm,
   * in case we were called in order to change alarm durations.  Note
   * that rapid-fire calling of this function will probably screw
   * up the already poor resolution of alarm() _horribly_.  Oh well,
   * this shouldn't be used for any precise work anyway, it's only
   * for modules to perform approximate timing.
   */

  /* It's possible that alarms are blocked when this function is
   * called, if so, increment alarm_pending and exit swiftly
   */
  while (nalarms) {
    nalarms = 0;

    if (!alarms_blocked) {
      int alarm_elapsed;

      alarm(0);
      alarm_elapsed = _alarmed_time ? (int) time(NULL) - _alarmed_time : 0;
      new_timeout = _total_time + alarm_elapsed;
      _total_time = 0;
      new_timeout = process_timers(new_timeout);

      _alarmed_time = time(NULL);
      alarm(_current_timeout = new_timeout);

    } else {
      alarm_pending++;
    }
  }
}
Example #5
0
/* Irq for hwtimer event */
void __hw_clock_event_irq(void)
{
	/* ITIM event module disable */
	CLEAR_BIT(NPCX_ITCTS(ITIM_EVENT_NO), NPCX_ITCTS_ITEN);

	/* Disable interrupt of event */
	task_disable_irq(ITIM16_INT(ITIM_EVENT_NO));

	/* Clear timeout status for event */
	SET_BIT(NPCX_ITCTS(ITIM_EVENT_NO), NPCX_ITCTS_TO_STS);

	/* Clear event parameters */
	evt_expired_us = 0;
	evt_cnt = 0;

	/* handle upper driver */
	process_timers(0);

#ifdef CONFIG_LOW_POWER_IDLE
	/*
	 * Set event for ITIM32 after process_timers() since no events set if
	 * event's deadline is over 32 bits but current source clock isn't.
	 * ITIM32 is based on apb2 and ec won't wake-up in deep-idle even if it
	 * expires.
	 */
	if (evt_expired_us == 0)
		__hw_clock_event_set(EVT_MAX_EXPIRED_US);
#endif

}
Example #6
0
void timer_tick(void)
{
    /* Update the ticks counter. */
    swks.system_ticks_64++;

    process_timers();
}
Example #7
0
static int l_update(lua_State *L)
{
    unsigned long now = (unsigned long)times(0);
    if (get_next_timeout(&timers, now) == 0)
        process_timers(&timers, now);
    return 0;
}
Example #8
0
/* Irq for hwtimer tick */
void __hw_clock_source_irq(void)
{
	/* Is timeout trigger trigger? */
	if (IS_BIT_SET(NPCX_ITCTS(ITIM32), NPCX_ITCTS_TO_STS)) {
		/* Restore ITIM32 preload counter value to maximum value */
		hw_clock_source_set_preload(0, 1);
		/* 32-bits timer count overflow */
		process_timers(1);

	} else { /* Handle soft trigger */
		process_timers(0);
#ifdef CONFIG_LOW_POWER_IDLE
		/* Set event for ITIM32. Please see above for detail */
		if (evt_expired_us == 0)
			__hw_clock_event_set(EVT_MAX_EXPIRED_US);
#endif
	}
}
Example #9
0
/* Triggered when Timer 1 reaches 0. */
void __hw_clock_event_irq(void)
{
	/*
	 * Clear the event which disables the timer and clears the pending
	 * interrupt.
	 */
	__hw_clock_event_clear();

	/* Process timers now. */
	process_timers(0);
}
Example #10
0
static void irq_tc(void) {
  tcTicks++;
  // overflow control
  if(tcTicks > tcMax) {
    tcTicks = 0;
    tcOverflow = 1;
  } else {
    tcOverflow = 0;
  }
  process_timers();
  // clear interrupt flag by reading timer SR
  tc_read_sr(APP_TC, APP_TC_CHANNEL);
}
Example #11
0
static int jiveL_process_events(lua_State *L) {
	Uint32 r = 0;
	SDL_Event event;

	/* stack:
	 * 1 : jive.ui.Framework
	 */

	JIVEL_STACK_CHECK_BEGIN(L);

	/* Exit if we have no windows */
	lua_getfield(L, 1, "windowStack");
	if (lua_objlen(L, -1) == 0) {
		lua_pop(L, 1);

		lua_pushboolean(L, 0);
		return 1;
	}
	lua_rawgeti(L, -1, 1);


	/* pump keyboard/mouse events once per frame */
	SDL_PumpEvents();

	if (jive_sdlevent_pump) {
		jive_sdlevent_pump(L);
	}

	/* process events */
	process_timers(L);
	while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_ALLEVENTS) > 0 ) {
		r |= process_event(L, &event);
	}

	lua_pop(L, 2);
	
	JIVEL_STACK_CHECK_END(L);

	if (r & JIVE_EVENT_QUIT) {
		lua_pushboolean(L, 0);
		return 1;
	}

	lua_pushboolean(L, 1);
	return lua_yield(L, 1);
}
static void free_run_timer_overflow(void)
{
	/*
	 * If timer 4 (TIMER_H) counter register != 0xffffffff.
	 * This usually happens once after sysjump, force time, and etc.
	 * (when __hw_clock_source_set is called and param 'ts' != 0)
	 */
	if (IT83XX_ETWD_ETXCNTLR(FREE_EXT_TIMER_H) != 0xffffffff) {
		/* set timer counter register */
		IT83XX_ETWD_ETXCNTLR(FREE_EXT_TIMER_H) = 0xffffffff;
		/* bit[1], timer reset */
		IT83XX_ETWD_ETXCTRL(FREE_EXT_TIMER_L) |= (1 << 1);
	}
	/* w/c interrupt status */
	task_clear_pending_irq(et_ctrl_regs[FREE_EXT_TIMER_H].irq);
	/* timer overflow */
	process_timers(1);
	update_exc_start_time();
}
Example #13
0
static void irq_tc(void) {
  tcTicks++;
  // overflow control
  if(tcTicks > tcMax) { 
    tcTicks = 0;
    tcOverflow = 1;
  } else {
    tcOverflow = 0;
  }
  process_timers();
  if(tog) {
    tog = 0;
    gpio_clr_gpio_pin(LED_MODE_PIN);
  } else {
    tog = 1;
    gpio_set_gpio_pin(LED_MODE_PIN);
  }

  // clear interrupt flag by reading timer SR
  tc_read_sr(APP_TC, APP_TC_CHANNEL);
}
static void __hw_clock_source_irq(void)
{
	/* Determine interrupt number. */
	int irq = IT83XX_INTC_IVCT3 - 16;

	/* SW/HW interrupt of event timer. */
	if ((get_sw_int() == et_ctrl_regs[EVENT_EXT_TIMER].irq) ||
		(irq == et_ctrl_regs[EVENT_EXT_TIMER].irq)) {
		IT83XX_ETWD_ETXCNTLR(EVENT_EXT_TIMER) = 0xffffffff;
		IT83XX_ETWD_ETXCTRL(EVENT_EXT_TIMER) |= (1 << 1);
		event_timer_clear_pending_isr();
		process_timers(0);
		return;
	}

#ifdef CONFIG_WATCHDOG
	/*
	 * Both the external timer for the watchdog warning and the HW timer
	 * go through this irq. So, if this interrupt was caused by watchdog
	 * warning timer, then call that function.
	 */
	if (irq == et_ctrl_regs[WDT_EXT_TIMER].irq) {
		watchdog_warning_irq();
		return;
	}
#endif

#ifdef CONFIG_FANS
	if (irq == et_ctrl_regs[FAN_CTRL_EXT_TIMER].irq) {
		fan_ext_timer_interrupt();
		return;
	}
#endif

	/* Interrupt of free running timer TIMER_H. */
	if (irq == et_ctrl_regs[FREE_EXT_TIMER_H].irq) {
		free_run_timer_overflow();
		return;
	}
}
Example #15
0
void mainloop()
{
	int got;
	int u = 1;                                                              
        int z = 0;    
	int o = 0;
        for(;;)                                                                 
        {
		o++;
		if (o == 1000) {
			got = getch();
			if (got != ERR) {
				EMU_DEBUG("got: %x", got);
				if (got == 'a')
				{
					ppi_write_port_a(0x3b);
					pic_interrupt(1);
				} else
				{
					ppi_write_port_a(0x3b | 0x80);
					pic_interrupt(1);
				}
			}
		 	o= 0;
		}
                z++;
		process_timers(50);
                cpu_exec_in();                                                  
                pit_tick();                                                     
                if (z  == 100000)                                               
                {                                                               
                z = 0;                                                          
                mda_textmode_out();                                             
                }                                                               
                u++;                                                            
                if (u > 3) u=1;                                                 
                if (!(u % 2))                                                   
                        pit_tick();                                             
        }                         
}
Example #16
0
/* The main loop for the program.  This will select on the various
   sets, then scan for any available I/O to process.  It also monitors
   the time and call the timeout handlers periodically. */
int
sel_select_loop(selector_t      *sel,
		sel_send_sig_cb send_sig,
		long            thread_id,
		void            *cb_data)
{
    int             err;
    sel_wait_list_t wait_entry;
    struct timeval  loc_timeout;

    for (;;) {
	if (sel->have_timer_lock)
	    sel->os_hnd->lock(sel->os_hnd, sel->timer_lock);
    	process_timers(sel, &loc_timeout);
	add_sel_wait_list(sel, &wait_entry, send_sig, cb_data, thread_id,
			  &loc_timeout);
	if (sel->have_timer_lock)
	    sel->os_hnd->unlock(sel->os_hnd, sel->timer_lock);
	
	err = process_fds(sel, send_sig, thread_id, cb_data, &loc_timeout);

	if (sel->have_timer_lock)
	    sel->os_hnd->lock(sel->os_hnd, sel->timer_lock);
	remove_sel_wait_list(sel, &wait_entry);
	if (sel->have_timer_lock)
	    sel->os_hnd->unlock(sel->os_hnd, sel->timer_lock);

    	if ((err < 0) && (errno != EINTR)) {
	    err = errno;
	    /* An error occurred. */
	    /* An error is bad, we need to abort. */
	    syslog(LOG_ERR, "select_loop() - select: %m");
	    return err;
	}
    }
}
Example #17
0
/*
 * Handle event matches. It's lower priority than the HW rollover irq, so it
 * will always be either before or after a rollover exception.
 */
void __hw_clock_event_irq(void)
{
	__hw_clock_event_clear();
	process_timers(0);
}
/**
 *  \brief Handler for System Tick interrupt.
 *
 *  Process System Tick Event.
 *  Increment the ul_ms_ticks counter.
 */
void SysTick_Handler(void)
{
	g_ul_tick_count++;
	ul_ms_ticks++; //jsi 6feb16
	
	timerTickCount++;
	timerTickCount &= MAX_TICK; // force rollover at this count to avoid confusion detecting rollover with the MSbit set
	if (timerTickCount == 0)
	{
		rollover = 1;
	}
	
	if ((timerTickCount % TICKS_PER_SEC) == 0)
	{
		process_timers();
	}

	
	if (controls.buzzer_enable)
	{
		if (controls.buzzer_cycle == CYCLE_ON)
		{
			if (controls.buzzer_dur_count++ > controls.buzzer_on_dur)
			{
				if (controls.buzzer_repeat_count++ >= controls.buzzer_repeat)
				{
					controls.buzzer_enable = 0;
					pwm_channel_disable(PWM0, PIN_PWM_LED0_CHANNEL);
				}
				else
				{
					controls.buzzer_dur_count = 0;
					controls.buzzer_cycle = CYCLE_OFF;
					pwm_channel_disable(PWM0, PIN_PWM_LED0_CHANNEL);
				}
			}
		}
		else
		{
			if (controls.buzzer_dur_count++ > controls.buzzer_off_dur)
			{
				controls.buzzer_dur_count = 0;
				controls.buzzer_cycle = CYCLE_ON;
				pwm_channel_enable(PWM0, PIN_PWM_LED0_CHANNEL);
			}
		}
	}
	
	if (controls.solenoid_enable)
	{
		controls.solenoid_count++;
		
		if (controls.solenoid_cycle == CYCLE_ON)
		{
			if (controls.solenoid_count > SOLENOID_ON_COUNT)
			{
				controls.solenoid_count = 0;
				controls.solenoid_cycle = CYCLE_OFF;
				controls.solenoid_enable = 0; //solenoid is a one-shot
				ioport_set_pin_level(ECLAVE_SOLENOID, IOPORT_PIN_LEVEL_LOW);
			}
		}
		else
		{
			if (controls.solenoid_count > SOLENOID_OFF_COUNT)
			{
				controls.solenoid_count = 0;
				controls.solenoid_cycle = CYCLE_ON;
				ioport_set_pin_level(ECLAVE_SOLENOID, IOPORT_PIN_LEVEL_HIGH);
			}
			
		}
	}
}
Example #19
0
static int wait_for_stdin(void)
{
    int fd;
    int mask;
    int fd_stdin = fileno(stdin);
    int ready;
    int nfds;
    long int waittime;
    fd_set readfds;
    fd_set writefds;
    fd_set errorfds;
    struct timeval timeout;
    struct timeval* ptimeout;
    SocketObject* socket;
    PyGILState_STATE gstate;
    PyObject* exception_type;
    PyObject* exception_value;
    PyObject* exception_traceback;
    PyObject* result;
    PyObject* arguments;
    while (1) {
        nfds = set_fds(&readfds, &writefds, &errorfds);
        FD_SET(fd_stdin, &readfds);
        if (fd_stdin >= nfds) nfds = fd_stdin + 1;
        waittime = process_timers();
        if (waittime == ULONG_MAX) ptimeout = NULL;
        else {
            timeout.tv_sec = waittime / 1000;
            timeout.tv_usec = 1000 * (waittime % 1000);
            ptimeout = &timeout;
        }
        if (select(nfds, &readfds, &writefds, &errorfds, ptimeout)==-1)
        {
            if (errno==EINTR) raise(SIGINT);
            return -1;
        }
        if (FD_ISSET(fd_stdin, &readfds)) break;
        socket = notifier.firstSocket;
        while (socket)
        {
            ready = 0;
            fd = socket->fd;
            mask = socket->mask;
            switch (mask) {
                case PyEvents_READABLE: ready = FD_ISSET(fd, &readfds); break;
                case PyEvents_WRITABLE: ready = FD_ISSET(fd, &writefds); break;
                case PyEvents_EXCEPTION: ready = FD_ISSET(fd, &errorfds); break;
            }
            if (ready) {
                gstate = PyGILState_Ensure();
                PyErr_Fetch(&exception_type, &exception_value, &exception_traceback);
                result = NULL;
                arguments = Py_BuildValue("(ii)", fd, mask);

                if (arguments) {
                    PyObject* callback = socket->callback;
                    result = PyEval_CallObject(callback, arguments);
                    Py_DECREF(arguments);
                }
                if (result) Py_DECREF(result);
                else PyErr_Print();
                PyErr_Restore(exception_type, exception_value, exception_traceback);
                PyGILState_Release(gstate);
            }
            socket = socket->next;
        }
    }
    return 1;
}