If not already done then would recommend enabling make menuconfig -> Compiler options -> Optimization Level (Release). Well this does not really answer your question but can serve as quick fix.

Could you please help to check if there is sufficient dynamic memory available before attempting to connect to AWS IoT (error code -0x7F00 points to failure in allocation)? If not already done then, aws_iot_mqtt_disconnect() API can help to free up memory from previous TLS connection, once there is ...

Right now OTA firmware upgrades are only supported for partitions with app:ota_o/ota_15 as type:subtype (Please refer https://github.com/espressif/esp-idf/blob/master/components/app_update/esp_ota_ops.c#L72). Hence OTA upgrade for fatfs partition is not something that is supported right now even if ...

I can not get the example to work with any of Amazon's root certificates including the one provided in the example.

Can you please provide detailed log with ESP-IDF version/commit that you tried with?

I've been trying to enable secureboot with flash encryption without success. Had success with each independently. I followed the programming guide, but after flashing the bootloader, then the app, I get the following on reboot: rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: ...

Hi HenryM, Amazon FreeRTOS has its own TCP/IP stack, hence it is unlikely that there will be official support for lwIP stack. Having said that, if their TCP/IP stack had standard POSIX socket interface, then it would have been really straight forward to run ESP-IDF components like `smartconfig` in t...

I think it should be possible using `flash erase_sector` command, flash probe 0 flash erase_sector 0 1 1023 Please note that, sector 0 erase is not supported, protected considering any secure boot related data there. Ref: https://github.com/espressif/openocd-esp32/blob/07baed8ccb1331c0ede43e49e4b730...

Try changing debug options from

components/lwip/include/lwip/port/lwipopts.h

Following are few options that might be helpful here,

#define TCP_DEBUG LWIP_DBG_ON
#define TCP_INPUT_DEBUG LWIP_DBG_ON
#define SOCKETS_DEBUG LWIP_DBG_ON