Could you please try with CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY=1000?

Yes. A little better!

Still not "ESP_DEEP_SLEEP_WAKEUP_TIMER" event.


----------------------------
Wake up from GPIO 26
-----------------------------------------------------------------------------
Enabling timer wakeup, 20s ...

Can you attach the serial output and your sdkconfig file?

Hi, Igor!

I attach the files. (sorry for pdf extension ).

Thanks,

zs

Hi,

I try this code(simplified deep_sleep_example_main.c)


#include <time.h>
#include <sys/time.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_deep_sleep.h"
#include "esp_log.h"
#include "esp32/ulp.h"
#include "driver/touch_pad.h"
#include "driver/adc.h"
#include ...

Did you check https://github.com/espressif/esp-idf/blob/master/components/spi_flash/flash_ops.c#L187

You don't want to use nvs?

Good questions!

- I try spi_flash_write, read, erase combo. The result is the same. (InstrFetchProhibited)
- In my project want (must) use simple, own filesystem with ...

Hi,

I make a git repository, for this problem:

https://github.com/Battancs/esp32_test_snippets

Symptoms:

- If I call the at the beginning code(see next section), and after call any location( for exampe - modified gatt server sample) - not error!


extern "C" void app_main(void)
{
spi_flash_init();
nvs_flash_init();

/* critical section */
Config *testConfig = new Config;
sprintf ...

Sorry for small info!


Some helper function:


#include <esp_spi_flash.h>
#include <rom/spi_flash.h>
#include "../cache_utils.h"


SpiFlashOpResult IRAM_ATTR guarded_spi_flash_read(size_t src_addr, void *dest, size_t size){

spi_flash_disable_interrupts_caches_and_other_cpu();
SpiFlashOpResult ...

Hi,

I write a small c++ code, with spi read and write.

The code throw error - "InstrFetchProhibited occured".

I read http://esp-idf.readthedocs.io/en/latest/api/storage/spi_flash.html page.
This page speak - "Concurrency Constraints".
I tried a lot, but unsuccessfully.

What do you suggest ...

Hi,

I compile the sample application - gatt_server.

When I work with application, this happen:

Guru Meditation Error: Core 0 panic'ed (Cache disabled but cached memory region accessed)
Register dump:
PC : 0x40086d0d PS : 0x00060034 A0 : 0x80004160 A1 : 0x3ffc0530
0x40086d0d: ram_chip_i2c_readReg ...