DFU CRC error

[Cyril Hruscak]

Hi,

I'm using S130 v1.0 softdevice and bootloader (single bank) from SDK v9.0. When updating an application, I always get a CRC error at end of the upload. I generate the file using following command:

nrfutil.exe dfu genpkg --application app.hex --sd-req 0x67 update.zip

Is there anything additional I need to do?

Regards, Cyril.

[Hung Bui]

Hi Cyril,

You should generate the .zip file with full parameter. The command for a generic application DFU packet should look like this:

nrfutil.exe dfu genpkg app.zip --application yourapplication.hex --application-version 0xffff --dev-revision 0xffff --dev-type 0xffff --sd-req 0xfffe

You can change to match with your configuration, but application version, device revision, etc is needed.

If the issue remains, could you try DFU with our example application and check if it worked ?

[Hung Bui]

HI Neodym, You may want to create another question and link to this question with your files attached:

• Your bootloader
• Your hex file
• Your .zip dfu package

As mentioned about by Aryan, we tested here and found no issue when testing with single bank update