Time and intervals macros and structures. More...

Macros
#define	CH_CFG_ST_RESOLUTION 32
	System time counter resolution. More...

#define	CH_CFG_ST_FREQUENCY 1000
	System tick frequency. More...

#define	CH_CFG_INTERVALS_SIZE 32
	Time intervals data size. More...

#define	CH_CFG_TIME_TYPES_SIZE 32
	Time types data size. More...

Special time constants
#define	TIME_IMMEDIATE ((sysinterval_t)0)
	Zero interval specification for some functions with a timeout specification. More...

#define	TIME_INFINITE ((sysinterval_t)-1)
	Infinite interval specification for all functions with a timeout specification. More...

#define	TIME_MAX_INTERVAL ((sysinterval_t)-2)
	Maximum interval constant usable as timeout. More...

#define	TIME_MAX_SYSTIME ((systime_t)-1)
	Maximum system of system time before it wraps. More...

Fast time conversion utilities
#define	TIME_S2I(secs) ((sysinterval_t)((time_conv_t)(secs) * (time_conv_t)CH_CFG_ST_FREQUENCY))
	Seconds to time interval. More...

#define	TIME_MS2I(msecs)
	Milliseconds to time interval. More...

#define	TIME_US2I(usecs)
	Microseconds to time interval. More...

#define	TIME_I2S(interval)
	Time interval to seconds. More...

#define	TIME_I2MS(interval)
	Time interval to milliseconds. More...

#define	TIME_I2US(interval)
	Time interval to microseconds. More...

Typedefs
typedef uint64_t	systime_t
	Type of system time. More...

typedef uint64_t	sysinterval_t
	Type of time interval. More...

typedef uint32_t	time_secs_t
	Type of seconds. More...

typedef uint32_t	time_msecs_t
	Type of milliseconds. More...

typedef uint32_t	time_usecs_t
	Type of microseconds. More...

typedef uint64_t	time_conv_t
	Type of time conversion variable. More...

Functions
Secure time conversion utilities
static sysinterval_t	chTimeS2I (time_secs_t secs)
	Seconds to time interval. More...

static sysinterval_t	chTimeMS2I (time_msecs_t msec)
	Milliseconds to time interval. More...

static sysinterval_t	chTimeUS2I (time_usecs_t usec)
	Microseconds to time interval. More...

static time_secs_t	chTimeI2S (sysinterval_t interval)
	Time interval to seconds. More...

static time_msecs_t	chTimeI2MS (sysinterval_t interval)
	Time interval to milliseconds. More...

static time_usecs_t	chTimeI2US (sysinterval_t interval)
	Time interval to microseconds. More...

static systime_t	chTimeAddX (systime_t systime, sysinterval_t interval)
	Adds an interval to a system time returning a system time. More...

static sysinterval_t	chTimeDiffX (systime_t start, systime_t end)
	Subtracts two system times returning an interval. More...

static bool	chTimeIsInRangeX (systime_t time, systime_t start, systime_t end)
	Checks if the specified time is within the specified time range. More...

Detailed Description

Time and intervals macros and structures.

Definition in file chtime.h.

Macros