Adding USB capability to secure DFU BLE bootloader

Hi,

I'd like to add the capability to perform secure DFU over USB with the secure DFU BLE bootloader as a baseline. What needs to be done to achieve this? In addition to adding the USB transport, do I need to add USB CDC in the bootloader to be able to send the DFU using nrfutil?

I'm using sdk v17 as the baseline for the secure DFU bootloader.

Thanks

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user7377 over 5 years ago +1

Hi, The open USB bootloader have everything needed to be a secure bootloader (and in fact by default it do require signature on bootloader updates). The only change that is needed in order to also require…
user85410 over 4 years ago in reply to user85410 +1

OK thanks. nRF connect reports 41200 bytes, so if I use MEMORY { FLASH (rx) : ORIGIN = 0xF3000, LENGTH = 0xA0F0 RAM (rwx) : ORIGIN = 0x20005978, LENGTH = 0x3a688 uicr_bootloader_start_address (r) : ORIGIN…
user112915 over 4 years ago in reply to user112915 +1

Oh, I think I get it to work. I combined the BLE and USB DFU examples together with minimal changes. Hope this could save other people's time. test-devzone.nordicsemi.com/.../pca10056_5F00_s140_5F00_ble_5F00_usb…

0 user112915 over 4 years ago in reply to user112915

Oh, I think I get it to work. I combined the BLE and USB DFU examples together with minimal changes. Hope this could save other people's time.
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