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Last activity 2017-09-22 20:55:23 +0200 by superpak

BPROT Protecting Bootloader nRF52832

nRF52832 SDK14.0

Hi, how can I protect the bootloader from being overwritten? Ideally, I would never be updating the bootloader so it will be a permanent part of the device. How can I make sure nothing can overwrite/erase ... (more)

25
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no
votes
1
answer
Last activity 2017-09-22 11:28:10 +0200 by Bjørn Spockeli flag of Norway

bootloader_secure_ble with NRF_LOG RTT

I am trying to debug a custom version of the bootloader_secure_ble example but am running into FLASH space issues. The bootloader app does not fit into FLASH with -Og optimization OR with NRF_LOG activated. I am using SDK14 and S132 ... (more)

18
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answers
Last activity 2017-09-21 20:23:03 +0200 by tanekaf

Custom board & SDK v14 bootloader

Hi. We recently upgraded from SDK13 to SDK14. All was well until we integrated the bootloader. We are using Laird's BL652. We updated the bootloader's config to use NRF_CLOCK_LF_SRC_RC, NRF_SDH_CLOCK_LF_RC_CTIV = 16, NRF_SDH_CLOCK_LF_RC_TEMP_CTIV = 2, and NRF_SDH_CLOCK_LF_XTAL_ACCURACY = 7 to match ... (more)

100
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no
votes
1
answer
Last activity 2017-09-18 11:37:15 +0200 by Bjørn Spockeli flag of Norway

SDK14 Secure Buttonless DFU with Bonding

Hello,

I am currently trying to implement Secure Buttonless DFU in my application using the nRF52832, s132 v5.0.0, and SDK14; but I am having some issues that I am hoping someone can help me resolve.

The issue I ... (more)

76
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no
votes
2
answers
Last activity 2017-09-15 21:15:11 +0200 by lance fisher

Is bootloader update failsafe?

I'm using:

  • bootloader_secure example in SDK 12.3.0
  • SoftDevice S130 nrf51 2.0.1

Is a bootloader update 100% failsafe against power loss anytime during the process?

68
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no
answers
Last activity 2017-09-15 18:30:24 +0200 by superpak

Simple Bootloader

Hi,

SDK14.0 nRF52832

I am using the dfu\bootloader_secure_ble example as my starting point. My goal is to create a very simple bootloader (with none of the dfu stuff, no SD functionality). Just a simple bootloader that the MBR ... (more)

75
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no
votes
2
answers
Last activity 2017-09-13 19:31:03 +0200 by Gova

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)

71
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1
vote
2
answers
Last activity 2017-09-12 17:18:00 +0200 by Sigurd flag of Norway

MBR Parameters and Bootloader Settings

Hi,

Referring to the figure at the end of this page:

http://infocenter.nordicsemi.com/inde...

I have a question regarding the MBR parameters and the Bootloader Settings in the memory layout. What does MBR Parameters and Bootloader Settings actually ... (more)

90
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1
vote
2
answers
Last activity 2017-09-11 11:10:25 +0200 by Jorge flag of Austria

How to add bootloader to device

Hi all,

I am started my project using the softdevice S130 v2.0.1 and the ble_app_uart example(SDK11) on a custom board with the nRF51822. I had to made some changes for the clock source because of the custom ... (more)

57
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no
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no
answers
Last activity 2017-09-11 10:22:20 +0200 by mbozic

nRF52 simple SPI bootloader problems

Hi,

I've managed to code an app for nRF52382 (S132, SDK14) which works properly. Also, I've taken "bootloader_secure_serial" and removed a lot of stuff to code a simple SPI bootloader which reads data from external SPI data flash ... (more)

30
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no
votes
1
answer
Last activity 2017-09-08 11:41:57 +0200 by Bjørn Spockeli flag of Norway

SDK13.1 Secure DFU Timeout

I've been searching and wanted to confirm that in SDK13, it's still on us to implement a timeout if a device is placed in DFU mode? As others have said, this just seems such standard behavior, that I ... (more)

100
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no
votes
1
answer
Last activity 2017-09-08 11:16:48 +0200 by Bjørn Spockeli flag of Norway

How to disable Secure DFU Timeout?

I would like to disable the secure timeout in the bootloader for a specific condition.

I am using nrf52832 chip, sdk 12.2, softdevice s132 v3.0.0 with secure bootloader example. Any thoughts?

42
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no
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no
answers
Last activity 2017-08-31 13:14:05 +0200 by Sebastien Huet

nRF52/PCA10040 stays on bootloader mode

Hi,

One of my pca10040 stays on bootloader mode. I have tryed copying J-Link OB-SAM3U128-V2-NordicSemi 160212.bin file on the bootloader drive but it stays the same.

board does not appear under nrfgo studio either.

Any advice?

Thanks in advance,

Seb

53
views
no
votes
1
answer
Last activity 2017-08-31 12:27:06 +0200 by Hung Bui

What are the test images for single bank update?

Hi all,

I want to know if the images inside the hci_dfu_send_hex folder are just precompiled hex files from the examples.

More specific I want to use the bootloader from SDK11 but it doesn't seem that the project example ... (more)

61
views
no
votes
1
answer
Last activity 2017-08-31 06:00:09 +0200 by Nguyen Hoan Hoang flag of Canada

Combining bootloader, softdevice, and application in single hex [closed]

Hello,

I am trying to combine Softdevice, bootloader, and Application hex files in single hex file. Currently using s130, SDK11, nrf51822.

I combined files using this tool :http://srecord.sourceforge.net/windows.html

Command used: srec_cat.exe application.hex -intel ... (more)

28
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no
votes
no
answers
Last activity 2017-08-29 18:35:55 +0200 by Agge

Start app from bootloader without updating?

Hi, stupid question here: Is there a command I could send via the dfu characteristics that starts the application somehow with doing an actual dfu update? Using the secure bootloader from sdk12

61
views
no
votes
1
answer
Last activity 2017-08-28 20:06:58 +0200 by Tiago Costa

DFU Bootloader's settings can become corrupt after a power-cycle

Hello,

My team and I are experiencing a problem with our custom DFU Bootloader, which is based on the Experimental Bootloader Secure Serial example (SDK 13), running in a custom NRF52832 board. Our main app uses a single bank, and ... (more)

25
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no
votes
no
answers
Last activity 2017-08-28 19:47:52 +0200 by Tiago Costa

DFU Bootloader fails to correctly allocate memory for SoftDevice update

Hello,

My team and I are experiencing a problem with our custom DFU Bootloader, which is based on the Experimental Bootloader Secure Serial example (SDK 13), running in a custom NRF52832 board. Our main app uses a single bank, and ... (more)

69
views
no
votes
2
answers
Last activity 2017-08-25 09:42:45 +0200 by Hung Bui

ota dfu bootloader+softdevice+app

Hello! I couldn't find somewhere on devzone, github how to update bootloader(bl), softdevice(sd), app together. The deal is I have some devices with prior version of sd and bl based on experimental buttonless app from sdk_13 (sd ... (more)

33
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no
votes
no
answers
Last activity 2017-08-24 16:29:26 +0200 by Jorge flag of Austria

bootloader problem on example from SDK11

Hi all,

I have a board with old code, it has a bootloader + sofdevice 110 + application all from SDK7 and I want to upgrade it via serial single bank DFU, to the SDK11 using SD130.

I already made the changes ... (more)

42
views
no
votes
1
answer
Last activity 2017-08-17 12:33:00 +0200 by Hung Bui

Can bootloader in SDK V11 boot into SDK V12/13/14 application

From document seems bootloader in SDK v12/13/14 does not support HCI/UART transport yet. So have to use SDK V11 bootloader.

However the application is based on SDK V13/V14. So the question is can SDK V11 bootloader ... (more)

45
views
1
vote
1
answer
Last activity 2017-08-15 10:32:19 +0200 by Bjørn Spockeli flag of Norway

Combined bootloader and application update

After reading some older threads it seems to me that someday it must have been possible to update bootloader and application with one zip file.

Currently I'm using sd 132 on nrf52832 (with SKD 12.2). Trying to create ... (more)

59
views
2
votes
1
answer
Last activity 2017-08-13 01:30:34 +0200 by Mariano

NRF52 SDK12 hardfault if secure bootloader present

Hi! For a custom board, I have my app working ok. So I wanted to add the dfu secure bootloader to my project. I Had no problem to do that, both app and bootloader start ok and I could download ... (more)

66
views
1
vote
1
answer
Last activity 2017-08-08 23:55:39 +0200 by steve

trouble with nrf_dfu_mbr_copy_bl

Hi,

I'm trying to implement a custom bootloader update on the nRF52840 using SoftDevice s140 and SDK 13.0.0. With my new bootloader staged in a scratch region of flash, I'm trying to use nrf_dfu_mbr_copy_bl() to copy ... (more)

87
views
2
votes
1
answer
Last activity 2017-08-08 22:05:36 +0200 by labi

SDK13.0.0 FreeRTOS Application loaded from DFU draws high current

Application Specs:

NRF52832 + SDK13.0.0 + Softdevice 4.0.4 + FreeRTOS application project migrated from SDK 12.2.0

Uses low power SAADC, FPU, SPIM and buttonless DFU running on custom board.

When application is flashed with a debugger, the ... (more)

24
views
no
votes
no
answers
Last activity 2017-08-07 13:43:22 +0200 by Andy

Counting flash writing operations in Bootloader (Bug maybe?)

Hello,

I'm working on the bootloader using SDK13.1. In the file dfu_req_handling.cthere is a variable called m_flash_operations_pendingthat gets incremented with every call to nrf_dfu_flash_store()or nrf_dfu_flash_erase().

My question is why you don't increase this ... (more)

58
views
no
votes
1
answer
Last activity 2017-07-24 14:54:38 +0200 by Bjørn Spockeli flag of Norway

I am in the nrf52-DK board, download S332 SoftDevice v2.0.0 and SDK12.3 in the experimental_ant_bootloader routine, can not enter the DFU mode. How can I operate to enter the Bluetooth DFU state?

Hello, nordic team; I want to create a DFU for the ANR + BLE device in the nRF5_SDK_12.3.0_d7731ad \ examples \ dfu \ experimental_ant_bootloader routine.But I use this routine burned into and can not run up?I did not see the ... (more)

61
views
no
votes
1
answer
Last activity 2017-07-18 16:16:29 +0200 by Bjørn Spockeli flag of Norway

Changing SD (s110->s130) and wrong memory organization

Hello,

I'd like to upgrade nrf51822 QFAC custom board firmware via DFU and change SoftDevice from s110 to s130. Because of larger (than s110) size of s130 I haven't enough space for my application with current FLASH memory ... (more)

76
views
3
votes
1
answer
Last activity 2017-07-17 15:52:17 +0200 by Bert

SDK11 serial DFU to s132v4 from s132v2

Recently I have been working with the serial bootloader from SDK 11. I can upload a softdevice, and supporting application using this bootloader without issue, as long as it’s the same softdevice version. In the case of SDK 11 ... (more)

168
views
1
vote
1
answer
Last activity 2017-07-17 15:26:13 +0200 by Bjørn Spockeli flag of Norway

SDK13 Buttonless DFU Service doesnt change into Bootloader

Hi to everybody,

I am working with a custom board based on the nrf52832, while trying to integrate to my existing application the DFU functionality I am having problems when I try to change from app to bootloader through Buttonless ... (more)

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