I used ssl/tls to connect the mqtt server, which almost worked well, but when i started to downloading firmware about 2 MB in size， I received SSL error -0x7200(MBEDTLS_ERR_SSL_INVALID_RECORD). I investigated many similar issues，and most of them said that MBEDTLS_ SSL_ MAX_ CONTENT_ LEN should be se...

Whenever the connection is disconnected, I receive this log "GAP procedure initiated: advertise; disc_mode=2 adv_channel_map=0 own_addr_type=0 adv_filter_policy=0 adv_itvl_min=256 adv_itvl_max=256", but I don't know where it was printed

i use IDF 4.2 and Wi-Fi Provisioning over BLE transport to receive wifi credentials,it works well. But now i have a request, when the ble is disconnected with phone App,i need to konw. How can i know the connection is disconnected? Is there any callback API can inform me?

I have some important data that is periodically updated and I want to store it, but I don't want to store them directly on the flash, because this will affect the service life of the flash. Therefore, I would like to know if esp32 has such a storage area, when the program restarts or crashes, the da...

Thanks for everyone's suggestions. These are very useful for me to learn flash encryption.

Hi everyone, i am learning the esp32 flash encrypt by the example "esp-idf\examples\security\flash_encryption". when i follow the official document https://docs.espressif.com/projects/esp-idf/en/latest/esp32/security/flash-encryption.html to test the flash encrypt in develpoment mode,it works OK,and...

验证flash加密功能时不小心将FLASH_CRYPT_CNT字段设置成写保护了，导致现在无法关闭flash加密。请问有什么方法取消写保护吗