Ivan Grokhotkov
4b97a1edb2
ulp example: fix for RTC IOs
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- call rtc_gpio_init for pins which aren't configured as RTC by default
- for RTC IOs 16 and 17, read higher part of the input register
- automatically convert GPIO number into RTC IO number
- use ulp_set_wakeup_period instead of writing to register
2018-07-13 17:48:15 +08:00
Ivan Grokhotkov
af6cfc5552
docs, examples: use rtc_gpio_isolate to disconnect GPIO12
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This is needed to reduce deep sleep current on ESP32-WROVER modules.
Ref TW18165.
2018-02-11 13:28:47 +08:00
Ivan Grokhotkov
ca751648fa
ulp: document the need to wait for RTC to be ready for wakeup
2017-12-11 12:11:46 +08:00
Ivan Grokhotkov
dec4a868d0
examples/ulp: disable pullup on GPIO15 to reduce current
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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
Dmitry Yakovlev
a6e4e89592
ulp: add build system integration and example
2017-03-27 12:41:00 +08:00
