Hi everyone!

My problem is that ADC read with function adc1_get_raw() cause CPU block while ADC reading not ready, making ADC reading a blocking function. The idea is pull ADC register to read if ADC reading value is ready when CPU is in idle state.
Or, anyone knows the sequence and registers to ...

I'm experiencing the same issue, but only some times when the module are recovering from deep sleep (the average is +/- 1/30000)
This is the error message:

rst:0x5 (DEEPSLEEP_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
flash read err, 1000
ets_main.c 371
ets Jun 8 2016 00:22:57

rst:0x7 (TG0WDT_SYS ...