Hi
I have integrated the example code for mesh dfu provided in the nrf mesh sdk5 in my main application . I have followed all the steps mentioned in this dfu guide. The issues I am facing is that the nrfutil for mesh gives error of "Failed to upgrade target. Error is: Failed to establish connection" and then it exits.
The hardware I used is nrf52840 dk.
I have used following procedure to flash application and bootloader.
nrfutil dfu genpkg --application E:\nrf5MeshSdk\examples\provisioner_az_combi\build\provisioner_nrf52840_xxAA_s140_7.2.0_Debug\provisioner_nrf52840_xxAA_s140_7.2.0.hex --company-id 0x00000059 --application-id 1 --application-version 2 --sd-req 0x0100 --mesh dfu_test.zip
python E:\nrf5MeshSdk\tools\dfu\device_page_generator.py -d nrf52840_xxAA -sd "s140_7.2.0"
nrfjprog --program E:\nrf5MeshSdk\bin\bootloader\gccarmemb\mesh_bootloader_serial_gccarmemb_nrf52840_xxAA.hex --chiperase
nrfjprog --program E:\nrf5MeshSdk\bin\softdevice\s140_nrf52_7.2.0_softdevice.hex
nrfjprog --program bin\device_page_nrf52840_xxAA_s140_7.2.0.hex
nrfjprog --reset
Following command is used for initializing dfu process at the host machine and output screenshot is attached above.
nrfutil --verbose dfu serial -pkg dfu_test.zip -p COM11 -b 115200 -fc --mesh
Please advice me about this issue , any help is appreciated .
Thanks
