ostimer.c File Reference

#include <cfg/os.h>
#include <dev/irqreg.h>
#include <sys/atom.h>
#include <unistd.h>

Include dependency graph for ostimer.c:

Defines
#define	NUT_CPU_FREQ   14000000UL
#define	SCALE   1
	Timer emulation.
Functions
void *	NutTimerEmulation (void *arg)
void	NutRegisterTimer (void(*handler)(void *))
	Initialize system timer.
uint32_t	NutArchClockGet (int idx)
	Return the CPU clock in Hertz.
uint32_t	NutGetTickClock (void)
	Return the number of system ticks per second.
uint32_t	NutTimerMillisToTicks (uint32_t ms)
	Calculate system ticks for a given number of milliseconds.
Variables
int	timer_count

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Define Documentation

#define NUT_CPU_FREQ   14000000UL

Referenced by NutArchClockGet().

#define SCALE   1

Timer emulation.

send interrupt signal to NUT thread on every 10ms tick

Referenced by NutTimerEmulation().

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Function Documentation

void* NutTimerEmulation

(

void *

arg

)

References irq_signal, NULL, NutUnixRaiseInterrupt(), and SCALE.

Referenced by NutRegisterTimer().

Here is the call graph for this function:

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Variable Documentation

int timer_count