RSS
Sort by » date activity ▼ answers views votes

498 questions

Tagged
  • x
7
views
no
votes
no
answers
Last activity 2018-01-19 18:07:58 +0200 by aTended

Help with linker script for a S132 Bootloader

Hi all, I'm currently building a bootloader suitable for Dual Channel DFU and SD132. It is on nrf52832, currently on PCA10040. Although the linker script works, and creates a hex file, I am left with an app_error_code 1 after ... (more)

55
views
1
vote
1
answer
Last activity 2018-01-16 15:39:52 +0200 by Muhammet YILDIZ

How to Firmware Update Over BLE

I am using keil 5, softdevice 132, sdk NRF_SD_BLE_API_VERSION=5, nRF52832.

I am trying to work with firmware update over ble.

In the example folder, there is an example called "buttonless dfu".

I am trying to implement it. But cant ... (more)

23
views
1
vote
2
answers
Last activity 2018-01-16 02:51:18 +0200 by vernon

secure bootloader and softdevice update through OTA on nrf51822 sdk12.3.0

Hello,

I know how to update the application through OTA at the moment, I do the following steps:

  1. set the device run in DFU mode by writing 0x01 in Experimental Buttonless DFU characteristic.

  2. send the zip file to the device ...

(more)

33
views
no
votes
1
answer
Last activity 2018-01-15 15:49:33 +0200 by Hung Bui

How to stay in bootloader in case of faulty app?

Hello,

I want to prevent a scenario where I successfully perform a DFU with a faulty firmware image. I have a bootloader that handles firmware updates both for the NRF5 itself and another external chipset. It once happened that we ... (more)

25
views
no
votes
no
answers
Last activity 2018-01-12 13:51:21 +0200 by Hung Bui

Serial bootloader Verification failure

Hi

I am trying to use the serial bootloader to upgrade nrf52 application, but I get verification failure.

I am using nrf52832 with SDK 13.0.0 & S132 SoftDevice v4.0.2. I have loaded experimental_bootloader_secure_serial project to the device ... (more)

21
views
no
votes
no
answers
Last activity 2018-01-11 23:13:25 +0200 by JohnM

nRF51DK DFU BLE OAT [closed]

Hello,

This is the first time I try to implement DFU to update my simple application OAT via BLE on the nRF51 DK.

My simple application is a simple peripheral which communicate with a RGB driver by I2C (so very ... (more)

2k
views
2
votes
2
answers
Last activity 2017-12-29 07:09:39 +0200 by Nguyen Hoan Hoang flag of Canada

How to flash SoftDevice and Bootloader (OTA enabled) to nrf51822 by CMSIS-DAP programmer?

How to flash SoftDevice and Bootloader (OTA enabled) to nrf51822 by CMSIS-DAP programmer? For instance: I did cmsis-dap programmer with mbed code form github. Can I do that with Keil? Just set properly IROM1 and IRAM1 values? Is something similar ... (more)

23
views
no
votes
1
answer
Last activity 2017-12-20 13:36:44 +0100 by Hung Bui

bootloader_secure_ble advertising time

Hi!

I have nrf52, SDK13, S132.

I succes use bootloader_secure_ble. But I remarked that on air DfuTarg appears for about 90 seconds. After that return to main app.

How can increase in the boot project this time?

76
views
no
votes
1
answer
Last activity 2017-12-12 16:36:29 +0200 by Bjørn Spockeli flag of Norway

DFU signature error while updating application

Hi, I can't manage with error in secure bootloder (from secure_dfu_ble_s132_pca10040_debug example) on custom board with nRF52832xxaa chip. I got a signature validation error trying to update aplication.

I created zip files by command: nrfutil pkg generate --hw-version 52 ... (more)

60
views
no
votes
no
answers
Last activity 2017-12-09 05:33:21 +0200 by dhiraj_gehlot

Jump to bootloader from application code based on customer register data

Hello Everyone,

I am using nrf51822 256Kb Flash and 32KB RAM Raytac's BLE module with SDK11, S130 with over the air Bootloader (16Kb).

So the aim is that when a particular condition is true, data "1" is written to ... (more)

57
views
1
vote
1
answer
Last activity 2017-12-06 13:40:09 +0200 by Petter Myhre flag of Norway

NRF51822 Secure Bootloader with app_timer

Hello everybody,

i want to add a timer to my secure bootloader example, so it waits some time and then, if no DFU is in progress, starts the beacon apllication automatic if there is one available.

I tried this by ... (more)

130
views
no
votes
no
answers
Last activity 2017-12-05 11:37:11 +0200 by boisi73

DFU Update OTA of an application with ble secure bootloader works only once

Hi, I try to use the dfu update OTA with ble secure bootloader. If the Flash is erased and only the SD v5.0.0 and the own Bootloader are programmed a update OTA is working fine (using nrf Connect ... (more)

33
views
no
votes
no
answers
Last activity 2017-12-03 22:29:21 +0200 by Daniel Schuler

Running mbed BLE example without debugger attached?

I'm using the nRF52 DK with mbed, running the heart rate monitor demo app.

When I disconnect the board from the PC and attach a USB power supply instead, the nRF52 won't boot. Re-attaching to the PC and ... (more)

72
views
2
votes
no
answers
Last activity 2017-11-28 16:04:54 +0200 by Andy

How to enable notifications on a characteristic with nRF Connect iOS app?

Hello,

I don't know how to enable the notifications for a characteristic in the nRF Connect app for iOS. I have the latest version and I tried all the buttons but none of them seem to enable them.

I ... (more)

30
views
no
votes
1
answer
Last activity 2017-11-28 14:07:52 +0200 by Hung Bui

Failure in BLE DFU: Does it retry or stop the DFU process altogether?

Hello,

I'm working on a bootloader based on the examples in SDK 13.1. As we have expanded its functionality, I'm now wondering what happens when one of the steps in the DFU process fails.

If let's ... (more)

79
views
no
votes
1
answer
Last activity 2017-11-27 12:43:32 +0200 by Hung Bui

Boot sequence for nRF52832

Where in the official documentation can I find what the boot order/proedure is for the nRF52832?

For instance: This post gives a coarse overview which is great but I am seeking the ability to match the instructions presented in ... (more)

41
views
no
votes
1
answer
Last activity 2017-11-23 14:21:41 +0200 by Bjørn Spockeli flag of Norway

CRYS_ECDSA_Verify returns 0x00F00871 [SDK14]

I am trying to use the cryptocell in the bootloader (bootloader_secure_ble) for verifying dfu packages, but fails in signature verification for the same dfu package, same public key as I used with micro-ecc crypto library, where it works as it ... (more)

35
views
no
votes
no
answers
Last activity 2017-11-23 11:26:27 +0100 by alivexiaoluo

How to set flash_placement.xml in bootloader_secure in sdk12.3

I develop my own project on nrf51dk sdk12.3 on ses. 1.My app project use experimental_ble_app_buttonless_dfu project after add <ProgramSection alignment="4" keep="Yes" load="Yes" runin=".fs_data_run" name=".fs_data" /> <ProgramSection alignment="4" load="Yes" name=".bootloaderSettings" start="$(BOOTLOADER_SETTINGS_START ... (more)

79
views
no
votes
no
answers
Last activity 2017-11-20 13:38:12 +0200 by Hayk

Update bootloader

I use nRF52840-Preview-DK PCA10056 v0.9.3, SDK 14.1.0. I would like update bootloader, but i have any problems. I do these steps 1.eraseall 2.program softdevice 3.load bootloader 4.load application 5.load bootloader package ... (more)

61
views
1
vote
no
answers
Last activity 2017-11-18 16:49:34 +0200 by fab

DFU bootloader prevents to load app hex

Hi all,

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

After erasing the device, I follow this steps:

1) upload the softdevice

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

2) upload the bootloader (bootloader_secure_ble)

nrfjprog ...
(more)

141
views
1
vote
1
answer
Last activity 2017-11-16 10:17:14 +0200 by nahro

NRF52840 PDK BLE Secure DFU Bootloader

files.rar

Hello, I am using nRF5 SDK14.1.0 and soft device s140_nrf52840_5.0.0-2.alph.I can program the board witt the bootloader(both pca10056 and pca10056_debug) successfully and its advertising. I generated firmware package from the application ... (more)

105
views
1
vote
no
answers
Last activity 2017-11-13 13:32:15 +0200 by Vladimir Petrigo

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)

67
views
no
votes
1
answer
Last activity 2017-11-11 06:44:28 +0200 by RohanKadam

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)

164
views
2
votes
1
answer
Last activity 2017-11-11 00:45:42 +0200 by Bjørn Spockeli flag of Norway

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)

34
views
no
votes
no
answers
Last activity 2017-11-10 17:48:40 +0200 by briz

MBR set GPIO pin

I'm using the SD (nrf52) MBR to update our custom bootloader, in a battery powered device.We have some custom hardware which is used to disable our LDO, to enter a "Ultra Low Power" Shipping Mode, this is controlled ... (more)

71
views
no
votes
1
answer
Last activity 2017-11-09 15:15:47 +0100 by Dom O

Dead-ish nRF52-DK anything else I can try?

One of my nRF52-DK started to act oddly - very brief message in red type flashed up by nRFgoStudio on programming a few times - unfortunately too fast for me to read.

Now Windows 10 cannot connect to that nRF52-DK at all ... (more)

298
views
1
vote
2
answers
Last activity 2017-11-08 07:50:06 +0200 by Bjørn Kvaale

How to flash bootloader to thingy 52?

I am a newbie for Nordic development boards. I recently bought a thingy 52. When I was searching for how to upload a custom firmware of my own (After disabling few BLE services), I came across this link. OTA-DFU - Generating ... (more)

39
views
no
votes
no
answers
Last activity 2017-11-08 00:33:44 +0200 by DYNAMICTOYS

nRF51822 - fail to upload device firmware through BLE bootloader. ( used to be good)

HI,

I am using nRF51822 S130, SDK12.3.0

I created private key for application code and public key for bootloader. Just few days ago, the zip file can upload to the device ( when device in DFU mode ) through nRF ... (more)

99
views
1
vote
1
answer
Last activity 2017-11-07 07:43:43 +0100 by testy

Bootloader RAM Settings

We have shifted our development from nrf51422 QFAC (32kB RAM and 256 kB Flash) to nrf51822 QFAA (16kB RAM and 256 kB Flash).

I'm unable to run dual bank ble bootloader on the latter one, which I assume is ... (more)

33
views
no
votes
no
answers
Last activity 2017-11-07 02:54:42 +0200 by Haruki Kawakami

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)

Statistics

  • Total users: 26289
  • Latest user: Malinda Buddicom
  • Resolved questions: 11535
  • Unanswered questions: 4019
  • Total questions: 28672