sys_time_arch.c File Reference

Handling of sys_time in sim. More...

#include "mcu_periph/sys_time.h"
#include "std.h"

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Functions
void	sys_tick_handler (void)
void	sys_time_arch_init (void)
uint32_t	get_sys_time_usec (void)
	Get the time in microseconds since startup.
uint32_t	get_sys_time_usec100 (void)
	Get the time in 100microseconds since startup.
uint32_t	get_sys_time_msec (void)
	Get the time in milliseconds since startup.
void	sys_time_usleep (uint32_t us)
	Sleep.
void	sys_time_msleep (uint32_t ms)
	Sleep.

Detailed Description

Handling of sys_time in sim.

Definition in file sys_time_arch.c.

Function Documentation

get_sys_time_msec()

uint32_t get_sys_time_msec

(

void

)

Get the time in milliseconds since startup.

Returns

milliseconds since startup as uint32_t

Definition at line 52 of file sys_time_arch.c.

References msec_of_cpu_ticks(), sys_time::nb_sec, and sys_time::nb_sec_rem.

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get_sys_time_usec()

uint32_t get_sys_time_usec

(

void

)

Get the time in microseconds since startup.

WARNING: overflows after 70min!

Returns

microseconds since startup as uint32_t

WARNING: overflows after 71min34seconds!

Returns

current system time as uint32_t

Definition at line 40 of file sys_time_arch.c.

References sys_time::nb_sec, sys_time::nb_sec_rem, and usec_of_cpu_ticks().

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get_sys_time_usec100()

uint32_t get_sys_time_usec100

(

void

)

Get the time in 100microseconds since startup.

WARNING: overflows after 7000min!

Returns

100microseconds since startup as uint32_t

Get the time in 100microseconds since startup.

WARNING: overflows after 7000min!

Returns

100microseconds since startup as uint32_t

WARNING: overflows after 7000 minutes!

Returns

current system time as uint32_t

Definition at line 46 of file sys_time_arch.c.

References sys_time::nb_sec, sys_time::nb_sec_rem, and usec_of_cpu_ticks().

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sys_tick_handler()

void sys_tick_handler

(

void

)

Definition at line 58 of file sys_time_arch.c.

References sys_time_timer::cb, sys_time::cpu_ticks_per_sec, sys_time_timer::duration, sys_time_timer::elapsed, sys_time_timer::end_time, sys_time_timer::in_use, sys_time::nb_sec, sys_time::nb_sec_rem, sys_time::nb_tick, sys_time::resolution_cpu_ticks, SYS_TIME_NB_TIMER, and sys_time::timer.

sys_time_arch_init()

void sys_time_arch_init

(

void

)

Definition at line 33 of file sys_time_arch.c.

References sys_time::cpu_ticks_per_sec, foo, sys_time::resolution, and sys_time::resolution_cpu_ticks.

sys_time_msleep()

void sys_time_msleep

(

uint32_t

ms

)

Sleep.

Parameters

ms	milliseconds

Definition at line 80 of file sys_time_arch.c.

References foo, and sys_time_usleep().

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sys_time_usleep()

void sys_time_usleep

(

uint32_t

us

)

Sleep.

Parameters

us	microseconds

Sleep.

using intermediate 64 bits variable to avoid wrapping

max sleep time is around 10 days (2^32 / CH_CFG_ST_FREQUENCY) at 10kHz

Definition at line 78 of file sys_time_arch.c.