Periodic Events Timer
[Various]

Periodic Event Timer. More...

Collaboration diagram for Periodic Events Timer:

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Description

Periodic Event Timer.

This timer generates an event at regular intervals. The listening threads can use the event to perform time related activities. Multiple threads can listen to the same timer.

Data Structures
struct	EvTimer
	Event timer structure. More...
Defines
#define	evtInit(etp, time)
	Initializes an EvTimer structure.
Functions
void	evtStart (EvTimer *etp)
	Starts the timer.
void	evtStop (EvTimer *etp)
	Stops the timer.

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Define Documentation

#define evtInit	(	etp,
		time		)

Value:

{                                            \
  chEvtInit(&(etp)->et_es);                                             \
  (etp)->et_vt.vt_func = NULL;                                          \
  (etp)->et_interval = (time);                                          \
}

Initializes an EvTimer structure.

Parameters:

	etp	the EvTimer structure to be initialized
	time	the interval in system ticks

Definition at line 61 of file evtimer.h.

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Function Documentation

void evtStart

(

EvTimer *

etp

)

Starts the timer.

If the timer was already running then the function has no effect.

Parameters:

etp

pointer to an initialized EvTimer structure.

void evtStop

(

EvTimer *

etp

)

Stops the timer.

If the timer was already stopped then the function has no effect.

Parameters:

etp

pointer to an initialized EvTimer structure.