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uint64_t (even at 12MHz) isn't going to overflow any time soon, don't worry about wrapping.

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Oliver Jowett 2015-02-08 17:59:20 +00:00
parent 9c2f236463
commit c0af448efa
2 changed files with 4 additions and 10 deletions
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5
util.h
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@ -26,10 +26,9 @@
uint64_t mstime(void);
/* Returns the time elapsed, in nanoseconds, from t1 to t2,
* where t1 and t2 are 12MHz counters,
* accounting for wrapping.
* where t1 and t2 are 12MHz counters.
*/
uint64_t receiveclock_ns_elapsed(uint64_t t1, uint64_t t2);
int64_t receiveclock_ns_elapsed(uint64_t t1, uint64_t t2);
/* Normalize the value in ts so that ts->nsec lies in
* [0,999999999]