C++ (Cpp) us_to_tick示例

示例#1

文件： timer.c 项目： 0s4l/u-boot-xlnx

/* delay x useconds AND preserve advance timestamp value */
void __udelay(unsigned long usec)
{
	unsigned long long tmp;

	tmp = get_ticks() + us_to_tick(usec);

	while (get_ticks() < tmp)
		;
}

示例#2

文件： timer.c 项目： danielschwierzeck/u-boot

/* delay x useconds AND preserve advance timstamp value */
void __udelay(unsigned long usec)
{
	unsigned long long start;
	ulong tmo;

	start = get_ticks();			/* get current timestamp */
	tmo = us_to_tick(usec);			/* convert usecs to ticks */
	while ((get_ticks() - start) < tmo)
		;				/* loop till time has passed */
}

示例#3

文件： timer.c 项目： AvalueAES/rev-sa01

/* delay x useconds AND preserve advance timstamp value */
void udelay (unsigned long usec)
{
	unsigned long long tmp;
	ulong tmo;

	tmo = us_to_tick(usec);
	tmp = get_ticks() + tmo;	/* get current timestamp */

	while (get_ticks() < tmp)	/* loop till event */
		 /*NOP*/;
}

示例#4

文件： timer.c 项目： dhs-shine/sprd_project

void __udelay (unsigned long usec)
{
	unsigned long long tmp;
	ulong tmo;

	tmo = us_to_tick(usec);
	tmp = get_ticks() + tmo; // get current timestamp
	
	while(get_ticks() < tmp) //loop till event
		/*NOP*/;
}