931 questions

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16
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Hi all,

I am on the DK-52 with the SDK 13.0.0.

After erasing the device, I follow this steps:

nrfjprog --reset --program s132_nrf52_4.0.2_softdevice.hex --family NRF52


nrfjprog ...
(more)

21
views
no
no

IoT SDK 1.0.0 - DFU with IoT File - PStorage?

Hello Dev Zone,

We've been using the IoT SDK 0.9 all year and recently ported to the production release bundled with the SDK 14.1 package.

We have the DFU working with the SDK 0.9, which is ... (more)

27
views
no
1

Timer Prescaler - SDK Config

I am using nrf52832 with softdevice s132 v3.0.0, sdk 12.2.0 and FDS.

I am using sdk_config.h to configure various modules in my project.

Earlier config: Using Timer1, Timer2 with TIMER_DEFAULT_CONFIG_FREQUENCY = 4 Timer1 = controls main state ... (more)

282
views
no
2

Buttonless DFU custom entry

Hi,

I am using nRF52832 with NUS and buttonless DFU running well next to each other (SDK13). Instead of the standard way to jump to the bootloader (writing a 0x01 to the DFU characteristic) I would like to use a ... (more)

74
views
1
vote
2

How large is the size peer manager uses?

I'm trying to determine DFU_APP_DATA_RESERVED and FDS_VIRTUAL_PAGES. According to this Q&A, DFU_APP_DATA_RESERVED must be the same FDS_VIRTUAL_PAGES, if FDS_VIRTUAL_PAGE_SIZE is 1024.

My application uses 11 pages, so 11+the size peer manager uses must be FDS_VIRTUAL_PAGES( and DFU_APP_DATA_RESERVED ... (more)

26
views
no
no

Custom DFU init packet

This is a kind of continuation to: https://devzone.nordicsemi.com/questi...

I'm modifying the bootloader_secure sample to implement encryption.

I'm now at the step where I need to change the init packet, so I followed advice and ... (more)

39
views
no
1

Flash and debug application with signed bootloader in IAR or how to flash Bootloader Settings before debugging

I have a project which needs to be built in IAR, but uses the signed bootloader. I understand, that if I want to flash and debug the application from within IAR, I need to also write the Bootloader Settings page ... (more)

54
views
1
vote
no

Update application from SD 2.0.1 to SD 4.0.2

Hello,

I have an application that has to be ported to the newer Softdevice version. I've already ported my application to the SDK 13 and tested it with the new Softdevice v4.0.2.

I found that topic where ... (more)

46
views
no
1

Unable to connect with the device on jumping to bootloader, thus no DFU.

Hello,

I got two device with DFU-OTA service enabled (included device manager and dfu related handlers/files; merged the application, dual-bank bootloader, s130, app_valid_setting hex together)

i) nrf51422-DK

ii) Custom board with nrf51822

The DFU-OTA works on DK, but when ... (more)

122
views
2
1

Migrate bootloader from SDK 11 to SDK 13

Hello,

I have an application based on SDK 11 and Softdevice v2.0.0. Also there is a legacy bootloader from SDK 11 for performing DFU.

I am wondering whether it is possible to perform DFU of my devices in ... (more)

29
views
no
no

Can't start DFU with nRF connect/Tool box on Android OS

I work with nRF52832, based on SDK 14.0.0, and I have done DFU operation successfully with nRF connect on iOS, but when I used Android phone, nRF connect couldn't start DFU, it just displayed "disconnecting" and quited ... (more)

49
views
1
vote
1

Problem with USB DFU when RTT is disconnected

Hi,

I am using SDK v14.1 for nRF52840. The secure_dfu_usb debug example works well when the J-link RTT Viewer is connected. But when the RTT Viewer is disconnected the Windows does not recognize the USB device

Update ... (more)

42
views
no
1

How to recognize that the DFU process is running

Hello,

I would like to signalize that the DFU process is running. I mean when I start to upload the application into the CPU, then a LED (for example) is ON, after uploading the LED is OFF. When the process ... (more)

25
views
no
no

secure bootloader doesn't proceed once it get "Write request too long" error.

Hi,

I'm checking whether SDK 13.0.0 secure bootloader dfu can proceed correctly with iOS DFU library if the process is interrupted because smartphone application is restarted, or ble connection is lost, and so on.

I have tried ... (more)

37
views
1
vote
1

Unable to perform DFU over Thread

I'm trying to run the Thread DFU examples on nRF52840, unfortunately I can't get them to work. On the client, I got the bootloader set up and ready, with the client application, I also got the upgrade app ... (more)

36
views
1
vote
1

DFU example code as master [closed]

Hi. I'm using nRF52832, SDK13.0.0. I'm developing not only peripheral side but also central side.

I already made peripheral side referring to DFU example code. But i don't know how can I make the code ... (more)

68
views
no
1

Hello, i'm trying to DFU from 13.1 to 14.1..

What i have tested is flash(SD + B) + dfu(APP) on both versions. Now i'm trying to DFU all from sdk13.1 to 14.1.

Is it ... (more)

78
views
no
1

How can I use buttonless DFU with NUS

I am using SDK 14.1.0 S132 for PCA0040 board

i want to combine the next two examples:

examples\ble_peripheral\ble_app_buttonless_dfu

and

examples\ble_peripheral\ble_app_uart

**but I got NO_MEM error after

err_code = ble_dfu_buttonless_async_svci_init(); APP_ERROR_CHECK(err_code);

anyone help to find ... (more)

60
views
no
1

DFU migration to 14.1

I have a bootloader compiled from SDK 14.0, and when I try to upgrade to 14.1, the new linker script (secure_dfu_ble_gcc_nrf52.ld) does not contain the UICR_BOOTLOADER memory region nor the sections that write the values there, so ... (more)

31
views
no
no

Experimental_bootloader_secure_usb example does not work on NRF 52840

Hello. I would like to run DFU experimental_bootloader_secure_usb example on NRF 52840 but the USB port does not recognize my device. I tried with both 5.0.0-2Alpha and 6.0.0-6Alpha versions of the softdevice. Tried to the softdevice ... (more)

68
views
no
1

nRF5 SDK for Mesh v0.10.1DFU Hangs?

Hello,

I am working with the nRF-SDK-for-Mesh v0.10.1 I am able to compile and run everything fine. However the DFU example hangs. It looks like a hard fault ( all the LEDs are on).

I am following the guide ... (more)

189
views
no
4

DFU sdk 12.2.0 (s130) nrf51822 QxxAA

can i use dfu secure bootloder for nrf51822 QxxAA ? if yes please help me how ?

32
views
no
1

Weak Alias in nRF5 SDK for Mesh v0.10.1 DFU?

Hello,

I am working with the nRF-SDK-for-Mesh v0.10.1 I am able to compile and run everything fine. I am trying to use the "serial" example and perform a DFU, however the DFU functions in"nrf_mesh_weak.c" are getting ... (more)

27
views
no
no

Data transfer via DFU

My example has an in-flash-memory data file that needs to be updated much more often than the code. I thought of using DFU for this and like it says here..

https://devzone.nordicsemi.com/questi...

.. implementing a new "filetype". Has ... (more)

34
views
no
no

Update firmware from flash

Hi all,

I'm using nrf51822, sdk 6.1 and s110 v7.1.

My idea is to use the GPRS module of my board to receive the new firmware (the module works with UART), save it to the flash(if ... (more)

187
views
3
no

LFCLK related issues in SDK14 DFU

In SDK13, the initialisation of the low frequency clock used to be done within sd_softdevice_enable. In the SDK14 version of nrf_dfu.c, the LF-clock is already initialized in nrf_dfu_init before the softdevice is started.

1. It would make sense to start ...

(more)

42
views
no
1

DFU update from SDK 11 to newest versions

Hello,

I'm using nrf52 with SDK 11 and softdevice s132 v2.0.0. We are close to release our product for testing and I need to add DFU on it. The non secure bootloader is acceptable right now but ... (more)

30
views
no
no

Replacing bootloader through nrfjprog - Error: Single: Invalid Bank

I am trying to upload a bootloader to an nRF52832 chip. (This chip is on the ruuvitag and is programmed through their developer board).

I got the bootloader working on the DK but when I tried to upload it to ... (more)

121
views
2
2

DFU and Watchdog timer (WDT) reset

As many others have found, and answered questions here and here and in other posts, DFU will prematurely exit IF you have enabled WDT in your application, as the current Nordic SDK Buttonless DFU doesn't consider the WDT. I ... (more)

111
views
no
1

52810， how to use dfu？

Hello, guys, I develop 52810 with sdk 14.1.0, i need the OTA features, but i couldn't find the dfu demo(ble secure dfu bootloader and buttonless dfu template app, pca10040e), what can i do ?

Do you give ... (more)

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