chvt.h File Reference

Time macros and structures. More...

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Data Structures
struct	VirtualTimer
	Virtual Timer descriptor structure. More...
struct	VTList
	Virtual timers list header. More...
Defines
#define	S2ST(sec)   ((systime_t)((sec) * CH_FREQUENCY))
	Time conversion utility.
#define	MS2ST(msec)   ((systime_t)(((((msec) - 1L) * CH_FREQUENCY) / 1000L) + 1L))
	Time conversion utility.
#define	US2ST(usec)   ((systime_t)(((((usec) - 1L) * CH_FREQUENCY) / 1000000L) + 1L))
	Time conversion utility.
#define	chVTDoTickI()
	Virtual timers ticker.
#define	chVTIsArmedI(vtp)   ((vtp)->vt_func != NULL)
	Returns TRUE if the speciified timer is armed.
#define	chTimeNow()   (vtlist.vt_systime)
	Current system time.
Typedefs
typedef void(*	vtfunc_t )(void *)
	Virtual Timer callback function.
typedef struct VirtualTimer	VirtualTimer
	Virtual Timer structure type.
Functions
void	vt_init (void)
	Virtual Timers initialization.
void	chVTSetI (VirtualTimer *vtp, systime_t time, vtfunc_t vtfunc, void *par)
	Enables a virtual timer.
void	chVTResetI (VirtualTimer *vtp)
	Disables a Virtual Timer.
bool_t	chTimeIsWithin (systime_t start, systime_t end)
	Checks if the current system time is within the specified time window.
Variables
VTList	vtlist
	Virtual timers delta list header.

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Detailed Description

Time macros and structures.

Definition in file chvt.h.