alex/esp-idf
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7 Commits

Author SHA1 Message Date
Ivan Grokhotkov
af6cfc5552 docs, examples: use rtc_gpio_isolate to disconnect GPIO12 
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 
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
Wangjialin
2fceec4d85 feature(I2S-ADC): add ADC mode for I2S. 
1. Support built-in ADC for I2S.
2. Modify code of ADC, made no change to the original APIs.
3. Add APIs in I2S:
esp_err_t i2s_set_adc_mode(adc_unit_t adc_unit, adc1_channel_t adc_channel);
4. Add I2S ADC/DAC example code.
5. add old-fashion definition to make it more compatible
6. replase spi_flash_ APIs with esp_partition_ APIs
7. add example of generating audio table from wav
8. change example sound
 2017-09-14 13:24:08 +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
7abd9bc023 ULP: remove deprecated cycle_sel field from ADC instruction 
Cycle_sel field was never used in binutils and was always set to zero.
This change removes it from documentation and examples.

Needs ULP binutils with this change:
https://github.com/espressif/binutils-esp32ulp/commit/af79434
 2017-05-31 18:22:48 +08:00
Ivan Grokhotkov
98e15df7f6 examples: add ULP ADC example 2017-05-16 13:15:02 +08:00