Problem about nrf52832 dfu

[Breek]

I have some problem when I implemented 52832 dfu.

I implement it with sdk 11.0 and a third party core-board.Firstly,I program s132_nrf52_2.0.1 SoftDevice by nRFgo Studio,then I open ble_app_hrs s132_with_dfu(arm4) project by Keil(V4.73),and program the project hex into 52832,then I program the bootloader dual_bank_ble_s132 project hex by keil with nrfjprog.exe.

After this procedure,using Master Control Panel app(Android phone) I can find the device advertising as "DfuTarg".

Through nrfutil.exe I generate the dfu zip file with follow command: nrfutil.exe dfu genpkg application.zip --application application.hex --application-version 0xffffffff --dev-revision 0xffff --dev-type 0xffff --sd-req 0xFFFE

And put the zip file into my phone. But when I implement the dfu with Master Control Panel,after selecting the zip file,it shows the error : Status :DFU FILE ERROR

In addition,when I try it with nrf toolbox,it appears the error: Upload failed :DFU FILE ERROR(2).

Is anyone can explain what the ERROR mean ?What cause the error ? If other detail needed,please tell me. Any help will be appreciated!

[AmbystomaLabs]

Try simplifying the dfu zip generation by not using all the options. Then slowly add back options. Try for starters: nrfutil.exe dfu genpkg --application yourapplicationname.hex yourapplicationname.zip Where of course, "yourapplicationname" is just the local name for the hex file from your build. I've have good luck with the nrfutil so it should work for you. Also, if you haven't tried you should make sure that your program build loads and runs before you zip it by installing via dfu using master control panel on a PC. On the PC version it doesn't have the check for the dat file that the droid and ios versions have. So using it you can load just the hex file without creating a zip.