utils.c

来自「usb drivers based on s3c2410」· C语言 代码 · 共 20 行

/*
static inline void delay (unsigned long loops)
{
	__asm__ volatile ("1:\n"
	  "subs %0, %1, #1\n"
	  "bne 1b":"=r" (loops):"0" (loops));
}
*/

void delay(register unsigned long ms) 
{
	volatile register unsigned long i;
	for(; ms; ms--) {
		i = 1300;		 /*XXX*/
		for(; i; i--)
	  	;
	}
}