DFU

RE: DFU

Amanda Hsieh — Wed, 21 Jul 2021 06:05:02 GMT

You need to create a private key for the secure_bootloader example. See BLE Secure DFU Bootloader and Working with keys for instructions.

RE: DFU

harrys — Tue, 20 Jul 2021 14:41:25 GMT

yes it is working. i was doing it with "secure_bootloader_ble_s132_pca10040.hex" by compiling "pca10040_s132_ble" not with debug.

i want to use key in it. when i am doing it with key. then it is not working

RE: DFU

harrys — Tue, 20 Jul 2021 14:23:45 GMT

yes i am doing same

RE: DFU

Amanda Hsieh — Tue, 20 Jul 2021 13:48:55 GMT

Hi,

Do you follow the nRF52832-buttonless-dfu-development-tutorial? You also need to program the SoftDevice and bootloader to run the ble_app_dfu_buttonless. See the following flow:

mergehex -m s132_softdevice.hex secure_bootloader_ble_s132_pca10040_debug.hex -o merged_SD_bootloader.hex
nrfjprog --program merged_SD_bootloader.hex --chiperase -r
nrfutil settings generate --family NRF52 --application ble_app_dfu_buttonless.hex --application-version 1 --bootloader-version 1 --bl-settings-version 1 settings.hex
mergehex -m ble_app_dfu_buttonless.hex settings.hex -o merged.hex
nrfjprog --program merged.hex --sectorerase

-Amanda H.

RE: DFU

harrys — Tue, 20 Jul 2021 12:56:44 GMT

yes i find it with precompiled examples . there is a example in ble_peripheral "ble_app_dfu_buttonless". when i program that example it doesnot advertise anything .

is there any step i am missing.

RE: DFU

Amanda Hsieh — Tue, 20 Jul 2021 12:02:38 GMT

Hi,

Do you see the DFU icon as the following figure?

-Amanda H.