include/sys/time.h File Reference

Internal Interface: system time functions. More...

#include "../time.h"

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Defines
#define	TM_DEFAULT_SLICE   20
	default multitasking timeslice
Functions
void	systime_init (void)
	initialize system timer
void	systime_shutdown (void)
	shutdown system timer
void	systime_set_switcher (void *switcher)
	set task switcher vector
void	systime_set_timeslice (unsigned char slice)
	set multitasking timeslice in ms
time_t	get_system_up_time (void)
Variables
void *	systime_tm_return
	return address for the task switcher

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Detailed Description

Internal Interface: system time functions.

Author:

Markus L. Noga <markus@noga.de>

Definition in file time.h.

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Define Documentation

#define TM_DEFAULT_SLICE   20

default multitasking timeslice Definition at line 44 of file time.h. Referenced by systime_init().

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Function Documentation

time_t get_system_up_time (  void   )

void systime_init (  void   )

initialize system timer task switcher initialized to empty handler motors turned off Definition at line 270 of file systime.c. References clock_handler(), dm_shutdown(), nmi_vector, ocia_vector, ocib_vector, rom_dummy_handler(), subsystem_handler(), sys_time, systime_shutdown(), T_CR, T_CSR, T_IER, T_OCR, T_OCRA, T_OCRB, task_switch_handler(), TCR_CLOCK_32, TCSR_RESET_ON_A, TIER_ENABLE_OCA, TIER_ENABLE_OCB, tm_current_slice, TM_DEFAULT_SLICE, tm_switcher_vector, tm_timeslice, TOCR_OCRA, TOCR_OCRB, WDT_CNT_MSEC_64, WDT_CNT_PASSWORD, WDT_CSR, WDT_CSR_CLOCK_64, WDT_CSR_ENABLE, WDT_CSR_MODE_WATCHDOG, WDT_CSR_PASSWORD, and WDT_CSR_WATCHDOG_NMI.

void systime_set_switcher (  void *  switcher  )

set task switcher vector Parameters: switcher  the switcher Definition at line 326 of file systime.c. References tm_switcher_vector.

void systime_set_timeslice (  unsigned char  slice  )

set multitasking timeslice in ms Parameters: slice  the timeslice. must be at least 5ms. Definition at line 333 of file systime.c. References tm_current_slice, and tm_timeslice.

void systime_shutdown (  void   )

shutdown system timer will also stop task switching and motors. Definition at line 317 of file systime.c. References T_IER, TIER_ENABLE_OCA, TIER_ENABLE_OCB, WDT_CSR, and WDT_CSR_ENABLE. Referenced by systime_init().

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Variable Documentation

void* systime_tm_return

return address for the task switcher Definition at line 57 of file time.h.

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