oss_wrapper.c

来自「6440linuxDriver的源代码」· C语言 代码 · 共 44 行

#include "hba_header.h"

void ossw_add_timer(struct timer_list *timer,
		    u32 msec, 
		    void (*function)(unsigned long),
		    unsigned long data)
{
	u64 jif;

	WARN_ON(timer_pending(timer)); 

	timer->function = function;
	timer->data     = data;

	jif = (u64) (msec * HZ);
	do_div(jif, 1000);         /* wait in unit of second */
	timer->expires = jiffies + 1 + jif;

	add_timer(timer);
}

void ossw_del_timer(struct timer_list *timer)
{
	if (timer->function)
		del_timer(timer);
	timer->function = NULL;
}

u32 ossw_get_time_in_sec(void)
{
	struct timeval tv;

	do_gettimeofday(&tv);
	return (u32) tv.tv_sec;
}

u32 ossw_get_msec_of_time(void)
{
	struct timeval tv;

	do_gettimeofday(&tv);
	return (u32) tv.tv_usec*1000*1000;
}