First time here? Check out the Tour!
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)
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)
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)
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)
ii) Custom board with nrf51822
The DFU-OTA works on DK, but when ... (more)
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)
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)
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)
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)
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)
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)
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)
i am running bootloader code but facing a error that is "pstorage_platform.h" not found.i am using code from given path which is from SDK10.0.0 .what should i do?
Hello , I recently bought sparkfun's nrf52832 breakout board. It comes with preprogrammed serial boot loader. How ever after flashing code from nrf52 DK into my nrf52832 sparkfun breakout board, serial bootloader has been erased. I would like to take ... (more)
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)
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)
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)
I am having problems implementing Device Firmware Update in Android. The specs of my development environment is:
I don't have any problem starting ... (more)
I would like to create my board like this one :
I know that Adafruit changed the bootloader in them NRF52, so I would like to know ... (more)
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)
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)
I am writing a boot loader which does not need to use the soft device as the image is being transferred over an SPI interface.
I have merged the softdevice and my application code together to make a single ... (more)
I used command:
nrfutil pkg generate --softdevice s130_nrf51_2.0.1_softdevice.hex --hw-version 51 --key-file private.pem sd130v2.0.1_update.zip
to generate package for only softdevice update (nrfutil version 3.3.2). Next I used nRF Connect to update ... (more)
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)
I'm having trouble with the bootloader example "bootloader_secure_ble", which seems to stuck when calling nrf_dfu_mbr_init_sd. But one thing after another:
preconds: using nRF5_SDK_13.0.0, Segger embedded studio 3.26
bootloader_secure_ble has been ported by me to ... (more)
I'm working on modification of DFU Bootloader to use external flash instead of standard Dual-bank or Single-bank version. Now it works quite well, but I have problems with moving data received over BT and stored in external memory ... (more)
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)
I am using nRF51822 by Keil compiler. I found if it was programmed with boot loader nrf51422_xxac_s130.hex
by nRFGo Studio.
Then if download user code by Keil, it cannot run anymore. But if upload a zipped user code ... (more)
As mentioned here, my poor little Thingy:52 doesn't work after upgrading to version 1.1.0 through the iOS app.
After getting my Thingy:52 i played arround with it for a while. Later the same day I ... (more)
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)