stopwatch.h File Reference

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Macros
#define	DEMCR_TRCENA   0x01000000
#define	DEMCR   (*((volatile uint32_t *)0xE000EDFC))
#define	DWT_CTRL   (*(volatile uint32_t *)0xe0001000)
#define	CYCCNTENA   (1<<0)
#define	DWT_CYCCNT   ((volatile uint32_t *)0xE0001004)
#define	CPU_CYCLES   *DWT_CYCCNT

Functions
void	stopwatch_init (void)
void	stopwatch_delay_us (uint32_t us)
static void	stopwatch_reset (void)
static uint32_t	stopwatch_getticks ()

Variables
uint32_t	us_ticks

Macro Definition Documentation

CPU_CYCLES

#define CPU_CYCLES   *DWT_CYCCNT

Definition at line 19 of file stopwatch.h.

Referenced by stopwatch_getticks().

CYCCNTENA

#define CYCCNTENA   (1<<0)

Definition at line 17 of file stopwatch.h.

Referenced by stopwatch_init(), and stopwatch_reset().

DEMCR

#define DEMCR   (*((volatile uint32_t *)0xE000EDFC))

Definition at line 14 of file stopwatch.h.

Referenced by stopwatch_init(), and stopwatch_reset().

DEMCR_TRCENA

#define DEMCR_TRCENA   0x01000000

Definition at line 11 of file stopwatch.h.

Referenced by stopwatch_init(), and stopwatch_reset().

DWT_CTRL

#define DWT_CTRL   (*(volatile uint32_t *)0xe0001000)

Definition at line 16 of file stopwatch.h.

Referenced by stopwatch_init(), and stopwatch_reset().

DWT_CYCCNT

#define DWT_CYCCNT   ((volatile uint32_t *)0xE0001004)

Definition at line 18 of file stopwatch.h.

Referenced by stopwatch_reset().

Function Documentation

stopwatch_delay_us()

void stopwatch_delay_us

(

uint32_t

us

)

Definition at line 25 of file stopwatch.c.

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stopwatch_getticks()

static uint32_t stopwatch_getticks ( )

inlinestatic

Definition at line 33 of file stopwatch.h.

Referenced by F4Light::Scheduler::_delay_us_ny(), Soft_I2C::bus_reset(), dispatch_adv_brk(), dispatch_adv_cc(), dispatch_adv_trg_com(), dispatch_adv_up(), dispatch_general(), dispatch_general_h(), dispatch_handler(), exti_serv(), i2c_bus_reset(), stopwatch_delay_us(), Soft_I2C::tick(), usart_rx_irq(), and usart_tx_irq().

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stopwatch_init()

void stopwatch_init

(

void

)

Definition at line 12 of file stopwatch.c.

Referenced by init().

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stopwatch_reset()

static void stopwatch_reset ( void  )

inlinestatic

Definition at line 24 of file stopwatch.h.

Referenced by stopwatch_init().

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Variable Documentation

us_ticks

uint32_t us_ticks

Definition at line 10 of file stopwatch.c.