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4 Commits

Author SHA1 Message Date
Ivan Grokhotkov dec4a868d0 examples/ulp: disable pullup on GPIO15 to reduce current 
Also increase sampling frequency in ulp_adc example and update READMEs.

Fixes https://github.com/espressif/esp-idf/issues/1108
 2017-11-03 18:56:31 +08:00
Ivan Grokhotkov d2acf1ce77 sleep: add light sleep, factor out APIs common for deep/light sleep 2017-09-01 10:36:14 +08:00
Ivan Grokhotkov 3c583a7655 sdkconfig: set CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY=2000 by default 
To increase the chances that the examples work out of the box, this
change is raising the default deep sleep wakeup delay to 1ms.
If GPIO15 is low at startup, ROM code takes less time to execute
(because no logging is performed), so more time may be needed to allow
flash chip to become ready.
 2017-05-25 10:51:39 +08:00
Dmitry Yakovlev a6e4e89592 ulp: add build system integration and example 2017-03-27 12:41:00 +08:00