Adapting the user application AN5056
44/49 AN5056 Rev 8
8.3 Changing the firmware download function in the user
application
This possibility is available only in the dual-slot mode of operation.
A sample code based on the YMODEM protocol over UART is available in the X-CUBE-
SBSFU UserApp project. The download procedure is located in file fw_update_app.c as
illustrated in
Figure 39.
Figure 39. UserApp firmware download overview