Ble_app_buttonless_dfu does not run.

[creator]

Hello, environmental engineering is D: Lianxi nrf522 nRF5_SDK_15.2.0_9412b96 examples ble_peripheral ble_app_buttonless_dfu

You can't run this ble_app_buttonless_dfu after you download the protocol stack

Return error at breakpoint

Use this project to test DFU upgrade.

Looking forward to your reply, thank you.

[Vidar Berg]

Hello,

The bootloader must be present in order to initialize the SVCI interface to bootloader. I'd recommend you to go through the blog post here to get started with DFU: https://devzone.nordicsemi.com/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader 

[creator]

1.Hello, thank you for your reply, but there are still some problems. A warning appeared when using D: Lianxi nrf522 nRF5_SDK_15.2.0_9412b96 examples dfu secure_bootloader pca10040_blebleblet to do settings.

Use the command nrfutil.exe settings to generate -- family NRF52 -- Application nrf52832_xxaa_bootloader.hex -- application-version 3 -- bootloader-version 2 -- bl-settings-version 1 bootloader_settings.hex

Help to find out what the problem is, feel your reply, thank you.

2.When -f is downloaded, there is no such command.

[Vidar Berg]

Hello,

The warning is there to inform you that you need to use the --no-backup-option if you are generating the settings page for an older bootloader. You can ignore it since you're using SDK 15.2

The nrfjprog arguments are valid so not sure why you get the error. Does it work if you copy&paste this line into cmd: nrfjprog --program production_final.hex --verify? The dash (-) looks a bit different on my setup (on Win10). 

...

[creator]

Nrfjprog --program production_final.hex --verify still doesn't work.

nrfjprog --program production_final.hex --verify

NRFgo Studio and IAR can download win10 system.

[Vidar Berg]

You need two dashes (--) in front of "program". 

[creator]

Hello, thank you for your reply.

Nrfjprog --program production_final.hex --verify still doesn't work.

[Vidar Berg]

Hello, 

Do you have an old version of nrfjprog? Please run the commands shown in screenshot below and upload the result here.