Messages in this thread | | | Subject | Re: Q: waiting for a short time and not beeing a resource hog | Date | Wed, 1 Dec 1999 14:28:36 +0000 (GMT) | From | Alan Cox <> |
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> I do not like the > > while( (jiffies-time_start) < 1 ); > > since it is too long and blocks the whole cpu from doing sensible stuff.
If its 1/100th of a second or so then its worth delaying using a timer if this is an irq - add a timer to call the function to read the data. If its very short times like 50uS or so just use udelay and eat the cost
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