timer.h File Reference

Go to the source code of this file.

Macros
#define	sys_tick_per_us   16
#define	CLOCK_SYS_CLOCK_1250US   (1250 * sys_tick_per_us)
#define	ClockTime   clock_time
#define	WaitUs   sleep_us
#define	WaitMs(t)   sleep_us((t)*1000)
#define	sleep_ms(t)   sleep_us((t)*1000)

Enumerations
enum	TIMER_TypeDef { TIMER0 =0, TIMER1 =1, TIMER2 =2 }
	Type of Timer. More...
enum	TIMER_ModeTypeDef { TIMER_MODE_SYSCLK =0, TIMER_MODE_GPIO_TRIGGER =1, TIMER_MODE_GPIO_WIDTH =2, TIMER_MODE_TICK =3 }
	Mode of Timer. More...
enum	{ CLOCK_16M_SYS_TIMER_CLK_1S = 16*1000*1000, CLOCK_16M_SYS_TIMER_CLK_1MS = 16*1000, CLOCK_16M_SYS_TIMER_CLK_1US = 16 }
	system Timer : 16Mhz, Constant More...

Functions
static unsigned long	clock_time (void)
	This function performs to gets system timer0 address. More...
void	sleep_us (unsigned long us)
	This function performs to set sleep us. More...
static unsigned int	clock_time_exceed (unsigned int ref, unsigned int us)
	This function performs to calculation exceed us of the timer. More...
void	timer0_gpio_init (GPIO_PinTypeDef pin, GPIO_PolTypeDef pol)
	initiate GPIO for gpio trigger and gpio width mode of timer0. More...
void	timer1_gpio_init (GPIO_PinTypeDef pin, GPIO_PolTypeDef pol)
	initiate GPIO for gpio trigger and gpio width mode of timer1. More...
void	timer2_gpio_init (GPIO_PinTypeDef pin, GPIO_PolTypeDef pol)
	initiate GPIO for gpio trigger and gpio width mode of timer2. More...
void	timer0_set_mode (TIMER_ModeTypeDef mode, unsigned int init_tick, unsigned int cap_tick)
	set mode, initial tick and capture of timer0. More...
void	timer1_set_mode (TIMER_ModeTypeDef mode, unsigned int init_tick, unsigned int cap_tick)
	set mode, initial tick and capture of timer1. More...
void	timer2_set_mode (TIMER_ModeTypeDef mode, unsigned int init_tick, unsigned int cap_tick)
	set mode, initial tick and capture of timer2. More...
void	timer_start (TIMER_TypeDef type)
	the specifed timer start working. More...
void	timer_stop (TIMER_TypeDef type)
	the specifed timer stop working. More...

Macro Definition Documentation

sys_tick_per_us

#define sys_tick_per_us   16

CLOCK_SYS_CLOCK_1250US

#define CLOCK_SYS_CLOCK_1250US   (1250 * sys_tick_per_us)

ClockTime

#define ClockTime   clock_time

WaitUs

#define WaitUs   sleep_us

WaitMs

#define WaitMs

(

t

)

sleep_us((t)*1000)

sleep_ms

#define sleep_ms

(

t

)

sleep_us((t)*1000)

Enumeration Type Documentation

TIMER_TypeDef

enum TIMER_TypeDef

Type of Timer.

Enumerator
TIMER0
TIMER1
TIMER2

TIMER_ModeTypeDef

enum TIMER_ModeTypeDef

Mode of Timer.

Enumerator
TIMER_MODE_SYSCLK
TIMER_MODE_GPIO_TRIGGER
TIMER_MODE_GPIO_WIDTH
TIMER_MODE_TICK

anonymous enum

anonymous enum

system Timer : 16Mhz, Constant

Enumerator
CLOCK_16M_SYS_TIMER_CLK_1S
CLOCK_16M_SYS_TIMER_CLK_1MS
CLOCK_16M_SYS_TIMER_CLK_1US

Function Documentation

clock_time()

static unsigned long clock_time ( void  )

inlinestatic

This function performs to gets system timer0 address.

Parameters

[in]

none.

Returns

timer0 address.

sleep_us()

void sleep_us

(

unsigned long

us

)

This function performs to set sleep us.

Parameters

[in]

us

- microseconds need to delay.

Returns

none

clock_time_exceed()

static unsigned int clock_time_exceed ( unsigned int  ref, unsigned int  us  )

inlinestatic

This function performs to calculation exceed us of the timer.

Parameters

[in]	ref	- Variable of reference timer address.
[in]	span_us	- Variable of span us.

Returns

the exceed.

timer0_gpio_init()

void timer0_gpio_init	(	GPIO_PinTypeDef	pin,
		GPIO_PolTypeDef	pol
	)

initiate GPIO for gpio trigger and gpio width mode of timer0.

Parameters

[in]	pin	- select pin for timer0.
[in]	pol	- select polarity for gpio trigger and gpio width

Returns

none

timer1_gpio_init()

void timer1_gpio_init	(	GPIO_PinTypeDef	pin,
		GPIO_PolTypeDef	pol
	)

initiate GPIO for gpio trigger and gpio width mode of timer1.

Parameters

[in]	pin	- select pin for timer1.
[in]	pol	- select polarity for gpio trigger and gpio width

Returns

none

timer2_gpio_init()

void timer2_gpio_init	(	GPIO_PinTypeDef	pin,
		GPIO_PolTypeDef	pol
	)

initiate GPIO for gpio trigger and gpio width mode of timer2.

Parameters

[in]	pin	- select pin for timer2.
[in]	pol	- select polarity for gpio trigger and gpio width

Returns

none

timer0_set_mode()

void timer0_set_mode	(	TIMER_ModeTypeDef	mode,
		unsigned int	init_tick,
		unsigned int	cap_tick
	)

set mode, initial tick and capture of timer0.

Parameters

[in]	mode	- select mode for timer0.
[in]	init_tick	- initial tick.
[in]	cap_tick	- tick of capture.

Returns

none

timer1_set_mode()

void timer1_set_mode	(	TIMER_ModeTypeDef	mode,
		unsigned int	init_tick,
		unsigned int	cap_tick
	)

set mode, initial tick and capture of timer1.

Parameters

[in]	mode	- select mode for timer1.
[in]	init_tick	- initial tick.
[in]	cap_tick	- tick of capture.

Returns

none

timer2_set_mode()

void timer2_set_mode	(	TIMER_ModeTypeDef	mode,
		unsigned int	init_tick,
		unsigned int	cap_tick
	)

set mode, initial tick and capture of timer2.

Parameters

[in]	mode	- select mode for timer2.
[in]	init_tick	- initial tick.
[in]	cap_tick	- tick of capture.

Returns

none

timer_start()

void timer_start

(

TIMER_TypeDef

type

)

the specifed timer start working.

Parameters

[in]

type

- select the timer to start.

Returns

none

timer_stop()

void timer_stop

(

TIMER_TypeDef

type

)

the specifed timer stop working.

Parameters

[in]

type

- select the timer to stop.

Returns

none