DFU of softdevice or softdevice+bootloader makes iOS app crash

[peterh]

sdonly.zipsoftdevice.zipCustom board with a nRF51422, SD 310 rev 2.0.0, nRF Toolbox rev 2.4, iOS 8.4

When trying to use the DFU app to update my softdevice and/or the combined package with softdevice+bootloader the application crashes/quits without errormessage, warnings or anything.

I can update the application or the bootloader successfully, but as soon as the SD is involved I get nowhere in a hurry.

Any good ideas as to what goes wrong?

The zip file is generated from s310_nrf51422_2.0.0_softdevice.hex and my own bootloader.hex, by peeling of lines as described in the howto, running hex2bin, combining them with copy /b and thus obtaining the crc using crc.exe. Finally my shot at a .dat is zipped together with the original .hex files.

[Hung Bui]

Hi Peterh,

How did you generate the softdevice+bootloader DFU .zip package ? Could you edit the question and upload the file you used so that we can test here ?

[Hung Bui]

@Peterh: I haven't got time to test your .zip file yet. But could you test generate the .zip file using the nrfutil.exe tool located in "C:\Program Files (x86)\Nordic Semiconductor\Master Control Panel\3.10.0.14\nrf". This is the new tool we provide, you don't have to do stuff manually anymore. Documentation here.

[peterh]

I have tried building the zip files with the nrf utility. I can see that the only difference in the datfiles are, that the number of F's in the start of the files have been reduced from 16 (as in the documentation you pointed me to) to 8.

Results: softdevice only gives the errormessage: Error on init Packet. Message: Operation Failed. (previously the app just quit) Softdevice+BL: Error on StartDFU. Message: Data Size Exceeds. (previously the app just quit)

So no crash anymore, no DFU success either. I have attached the zip for the SD above for reference

[Hung Bui]

@Peterh: Which SDK version are you using ?

[Hung Bui]

Could you explain why you set sq_req of 79 (0x4F) and 90 (0x5A) ? The S310 v2.0.1 has ID of 93 (0x5D).

When you are not so sure about the softdevice version, you should use 0xfffe. This allows all softdevice version.

I attached here the .zip file I used and tested with the bootloader from SDK v7.2

softdeviceS310v201.zip