how to develop uart boot not use ble use 51822 sdk12.3

[aatt05]

hi .eveyone.  i  use 51822 sdk12.3.0  , i want to dfu app code with uart, but not use bootloader_secure and experimental_ble_app_buttonless_dfu. i do not know how to develop.

 have some sample code to provide ,please?

[aatt05]

OK. Thanks.. optimization have disable. thanks very much. I consider how to do .