systick_internal.h File Reference

#include "hal/vsf_hal_cfg.h"
#include "./i_io_systick.h"

Go to the source code of this file.

Data Structures
struct	systick_cfg_t

Enumerations
SysTick initialization arguments definition
Note you can access systick register directly through ARM_SYSTICK ! e.g. ARM_SYSTICK.SYST_CSR.ENABLE = true; ! ! NOTE: the register name defined by Armv7-M Architecture Reference Manual
enum	em_systick_cfg_mode_t {   DISABLE_SYSTICK = 0x00 ,   ENABLE_SYSTICK = 0x01 ,   DISABLE_SYSTICK_INTERRUPT = 0x00 ,   ENABLE_SYSTICK_INTERRUPT = 0x02 ,   SYSTICK_SOURCE_REFERCLK = 0x00 ,   SYSTICK_SOURCE_SYSCLK = 0x04 }

Functions
Level 0 interface for systick
bool	vsf_systick_init (systick_cfg_t *pCfg)
	init SysTick Timer !
uint32_t	vsf_systick_get_count (void)
	get count value !
bool	vsf_systick_set_reload (uint32_t value)
	set reload value !
void	vsf_systick_clear_count (void)
	clear count value !
void	vsf_systick_enable (void)
	enable !
bool	vsf_systick_disable (void)
	enable !
void	vsf_systick_int_enable (void)
	enable !
void	vsf_systick_int_disable (void)
	enable !
bool	vsf_systick_is_match (void)
	enable !

Enumeration Type Documentation

em_systick_cfg_mode_t

enum em_systick_cfg_mode_t

Enumerator
DISABLE_SYSTICK	Enable the SysTick.
ENABLE_SYSTICK	Enable the SysTick.
DISABLE_SYSTICK_INTERRUPT	Enable the SysTick interrupt.
ENABLE_SYSTICK_INTERRUPT	Enable the SysTick interrupt.
SYSTICK_SOURCE_REFERCLK	Select the reference clock as SysTick source.
SYSTICK_SOURCE_SYSCLK	Select the system clock as SysTick source.

Function Documentation

vsf_systick_init()

bool vsf_systick_init ( systick_cfg_t *  pCfg )

extern

init SysTick Timer !

Parameters

void

!

Return values

true	: succeed !
false	failed

check the input

vsf_systick_get_count()

uint32_t vsf_systick_get_count ( void  )

extern

get count value !

Parameters

void

!

Return values

return

geh time count value

vsf_systick_set_reload()

bool vsf_systick_set_reload ( uint32_t  value )

extern

set reload value !

Parameters

time	count value !

Return values

whether

access successful or not

Parameters

time	count value !

Return values

whether

access successful or not

Parameters

time	count value !

Return values

none

vsf_systick_clear_count()

void vsf_systick_clear_count ( void  )

extern

clear count value !

Parameters

none

!

Return values

none

vsf_systick_enable()

void vsf_systick_enable ( void  )

extern

enable !

Parameters

void

!

Return values

none

Parameters

void

!

Return values

bool

Parameters

void

!

Return values

none

vsf_systick_disable()

bool vsf_systick_disable ( void  )

extern

enable !

Parameters

void

!

Return values

bool

read to clear COUNTFLAG

vsf_systick_int_enable()

void vsf_systick_int_enable ( void  )

extern

enable !

Parameters

void

!

Return values

none

vsf_systick_int_disable()

void vsf_systick_int_disable ( void  )

extern

enable !

Parameters

void

!

Return values

bool

vsf_systick_is_match()

bool vsf_systick_is_match ( void  )

extern

enable !

Parameters

void

!

Return values

bool

check compare match event !

Parameters

void

!

Return values

bool

Parameters

none

!

Return values

true	compare matched, the flag has been cleared automatically !
false	no compare match event