How to add buttonless_dfu and serial_dfu functions at the same time.

[June6]

Now the code in the application part has added the buttonless_dfu function, which has also been successfully implemented. But I ’m not familiar with serial_dfu, I don’t know how to continue to add serial_dfu function. And how to achieve coexistence of ble_dfu and serial_dfu in bootload code？

[June6]

There are two additional questions. In the serial port upgrade method, what programs need to be added to the application to jump from Application to Bootload? And how to upgrade the zip package？

[June6]

I hope to be informed about the routines and implementation steps of the relevant scenarios