Ivan Grokhotkov 742f8e7f8a esp_timer: fix occasional failures in "monotonic values" test ... 1. ref_clock used in unit tests occasionally produces time off by ~100 microseconds shortly after being started. Add a delay to let ref_clock stabilise, until the cause is found. 2. Reduce roundoff error accumulation which would occasionally cause the test to fail, by choosing an overflow value which can be divided by APB frequency. 3. Move time sampling part of the test into an IRAM function to reduce variations due to cache behavior. 4. Remove calculation of "standard deviation" in the test, as what was calculated was not actually standard deviation, and it did not add any useful information.		2019-02-28 20:38:31 +08:00
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unity	esp_timer: fix occasional failures in "monotonic values" test	2019-02-28 20:38:31 +08:00