ST

Functions
	OSAL_IRQ_HANDLER (SysTick_Handler)
	System Timer vector.
void	st_lld_init (void)
	Low level ST driver initialization.
static systime_t	st_lld_get_counter (void)
	Returns the time counter value.
static void	st_lld_start_alarm (systime_t time)
	Starts the alarm.
static void	st_lld_stop_alarm (void)
	Stops the alarm interrupt.
static void	st_lld_set_alarm (systime_t time)
	Sets the alarm time.
static systime_t	st_lld_get_alarm (void)
	Returns the current alarm time.
static bool	st_lld_is_alarm_active (void)
	Determines if the alarm is active.

Detailed Description

Function Documentation

OSAL_IRQ_HANDLER()

OSAL_IRQ_HANDLER

(

SysTick_Handler

)

System Timer vector.

This interrupt is used for system tick in periodic mode.

@isr

Definition at line 61 of file hal_st_lld.c.

                                  {
 
  OSAL_IRQ_PROLOGUE();
 
  osalSysLockFromISR();
  osalOsTimerHandlerI();
  osalSysUnlockFromISR();
 
  OSAL_IRQ_EPILOGUE();
}

st_lld_get_alarm()

static systime_t st_lld_get_alarm ( void  )

inlinestatic

Returns the current alarm time.

Returns

The currently set alarm time.

@notapi

Definition at line 136 of file hal_st_lld.h.

                                               {
 
  return (systime_t)0;
}

st_lld_get_counter()

static systime_t st_lld_get_counter ( void  )

inlinestatic

Returns the time counter value.

Returns

The counter value.

@notapi

Definition at line 89 of file hal_st_lld.h.

                                                 {
 
  return (systime_t)0;
}

st_lld_init()

void st_lld_init

(

void

)

Low level ST driver initialization.

@notapi

Definition at line 82 of file hal_st_lld.c.

                       {
#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
  /* Periodic systick mode, the Cortex-Mx internal systick timer is used
     in this mode.*/
  SysTick->LOAD = (KINETIS_SYSCLK_FREQUENCY / OSAL_ST_FREQUENCY) - 1;
  SysTick->VAL = 0;
  SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
                  SysTick_CTRL_ENABLE_Msk |
                  SysTick_CTRL_TICKINT_Msk;
 
  /* IRQ enabled.*/
  nvicSetSystemHandlerPriority(HANDLER_SYSTICK, KINETIS_ST_IRQ_PRIORITY);
#endif /* OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC */
}

st_lld_is_alarm_active()

static bool st_lld_is_alarm_active ( void  )

inlinestatic

Determines if the alarm is active.

Returns

The alarm status.

Return values

false	if the alarm is not active.
true	is the alarm is active

@notapi

Definition at line 150 of file hal_st_lld.h.

                                                {
 
  return false;
}

st_lld_set_alarm()

static void st_lld_set_alarm ( systime_t  time )

inlinestatic

Sets the alarm time.

Parameters

[in]

time

the time to be set for the next alarm

@notapi

Definition at line 124 of file hal_st_lld.h.

                                                    {
 
  (void)time;
}

st_lld_start_alarm()

static void st_lld_start_alarm ( systime_t  time )

inlinestatic

Starts the alarm.

Note

Makes sure that no spurious alarms are triggered after this call.

Parameters

[in]

time

the time to be set for the first alarm

@notapi

Definition at line 103 of file hal_st_lld.h.

                                                      {
 
  (void)time;
}

st_lld_stop_alarm()

static void st_lld_stop_alarm ( void  )

inlinestatic

Stops the alarm interrupt.

@notapi

Definition at line 113 of file hal_st_lld.h.

                                           {
 
}