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4 Commits

Author SHA1 Message Date
Ivan Grokhotkov
8c307a5720 sleep: fix deadlock in esp_timer_impl_advance after light sleep 
When light sleep is started, the other CPU gets halted using DPORT
stall mechanism. This can happen while it is inside an esp_timer
critical section, which may lead to a deadlock. This change adds
functions to take and release esp_timer lock before entering
DPORT critical section, preventing the deadlock.
 2018-05-09 22:52:50 +08:00
Ivan Grokhotkov
487210221b esp_timer: add internal function to adjust time 2018-04-26 18:52:45 +08:00
Ivan Grokhotkov
eb0c34e5c9 esp_timer: add support for frequency scaling 2017-10-18 14:19:18 +08:00
Ivan Grokhotkov
857a29872d esp_timer: add high resolution software timer API 2017-08-28 11:35:26 +08:00