sys_time.c File Reference

Architecture independent timing functions. More...

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

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Functions
int	sys_time_register_timer (float duration, sys_time_cb cb)
	Register a new system timer. More...
void	sys_time_cancel_timer (tid_t id)
	Cancel a system timer by id. More...
void	sys_time_update_timer (tid_t id, float duration)
	Update the duration until a timer elapses. More...
void	sys_time_init (void)

Variables
struct sys_time	sys_time

Detailed Description

Architecture independent timing functions.

Definition in file sys_time.c.

Function Documentation

void sys_time_cancel_timer

(

tid_t

id

)

Cancel a system timer by id.

Parameters

id

Timer id.

Definition at line 55 of file sys_time.c.

References sys_time_timer::cb, sys_time_timer::duration, sys_time_timer::elapsed, sys_time_timer::end_time, FALSE, sys_time_timer::in_use, and sys_time::timer.

Referenced by mavlink_mission_cancel_timer().

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void sys_time_init

(

void

)

Definition at line 73 of file sys_time.c.

References sys_time_timer::cb, sys_time_timer::duration, sys_time_timer::elapsed, sys_time_timer::end_time, FALSE, sys_time_timer::in_use, sys_time::nb_sec, sys_time::nb_sec_rem, sys_time::nb_tick, sys_time::resolution, sys_time_arch_init(), SYS_TIME_FREQUENCY, SYS_TIME_NB_TIMER, sys_time::ticks_per_sec, and sys_time::timer.

Referenced by main(), and mcu_init().

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int sys_time_register_timer	(	float	duration,
		sys_time_cb	cb
	)

Register a new system timer.

Parameters

duration	Duration in seconds until the timer elapses.
cb	Callback function that is called from the ISR when timer elapses, or NULL

Returns

-1 if it failed, the timer id otherwise

Definition at line 37 of file sys_time.c.

References sys_time_timer::cb, sys_time_timer::duration, sys_time_timer::elapsed, sys_time_timer::end_time, FALSE, sys_time_timer::in_use, sys_time::nb_tick, start_time, SYS_TIME_NB_TIMER, sys_time_ticks_of_sec(), sys_time::timer, and TRUE.

Referenced by init_ap(), init_fbw(), main(), main_init(), and mavlink_mission_set_timer().

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void sys_time_update_timer	(	tid_t	id,
		float	duration
	)

Update the duration until a timer elapses.

Parameters

id	Timer id
duration	Duration in seconds until the timer elapses.

Definition at line 65 of file sys_time.c.

References sys_time_timer::duration, sys_time_timer::end_time, mcu_int_disable, mcu_int_enable, sys_time_ticks_of_sec(), and sys_time::timer.

Referenced by mavlink_mission_set_timer().

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Variable Documentation

struct sys_time sys_time

Definition at line 35 of file sys_time.c.