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I use the SDK12.3 and SD130 with secure_bootloader and my own application. I can flash SD and Bootloader and update my app over OTA with DFU from NRF Toolbox. My app works fine after updating. I implemented the ... (more)
I'm looking to implement the OTA on my nRF52, but I couldn't find any help online. I would like to do it with my iOS and my Android app.
Does anyone have a tutorial link to help ... (more)
I want to store the CRC of the current firmware in the flash, for DFU purposes. Almost all of the threads I've seen so far reference the pstorage API but it's no longer supported since SDK12. There ... (more)
Hi, I'm having trouble performing a secure serial DFU with the nrf52 DK, I'm using the following components :
I've disabled flowcontrol ... (more)
I managed to get dfu working in application (with hrs). But on the last attempt to erase page with bootloader settings there is no event generated from softdevice and I get stuck on attempt to store new settings. When ... (more)
dear all, i need your help.
Where we are: We use mbed software developer platform. We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear. We are able to generate desired program (analog sensor reading) and forward ... (more)
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)
Hi, I'm trying to do DFU in my app, I almost complete it, I met a problem that my app flashed back when I sent 04 to the device.According to the DFU doc,after uploading firmware,and I ... (more)
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)
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)
I'm working on an UART application which uses experimental_bootloader_secure_serial bootloader. I've done a similar thing before with SDK-11 (though not a secure DFU) and after getting through building a secure bootloader, signing, etc. I was able to ... (more)
[Aim] I am working on a project where I aimed to Integrate/Develop firmware management system using Contiki running over Nordic NRF52.
[Components] Contiki running over Nordic NRF52 + LwM2M (Management server) + CoAP block transfer (Transport Medium) + IoT DFU (Nordic's ... (more)
On a nRF52832... I'm trying to create a DFU package to update an existing SDK 11 SD2.0.0 firmware, to update it to SDK 12 SD + new application + secure bootloader But the existing firmware is as appprotect set ... (more)
I am trying to write my own bootloader. I gather new image via serial and store it in flash in my application at 0x30000 then invoke reset and in bootloader I want to copy image to application space. I ... (more)
I'm using the nrf5283 chip alongside with the SDK12.1. I have a strange situation related with the bootloader dfu.
First I flash with the programmer a merged hex file that contains SD+BL+APP. Afterwards, I try ... (more)
We are working on a project using nrf52832 module and GPRS device. Here we are facing a challenge in updating the firmware to BL652 over GPRS and server.
nrf52832 is connected to serial port of GPRS device and GPRS is ... (more)
Hello, I'm using this code(observer): https://github.com/NordicSemiconducto... SDK9.0.0
I try to add DFU function, now can enter dfu mode and iPhone6 can see advertising and connect it. But the connection is very slow and ... (more)
I've been trying to integrate the secure bootloader witrh SDK12 into my device, which had been working fine with the old bootloader and SDK11.
I've swapped everything over, and finally got the bootloader to boot into my ... (more)
I'm currently experimenting with the dual-bank bootloader in SDK 13.1. According to the documentation, if the new application can be activated, it is copied from bank 1 to bank 0.
Where and when does this happen? I ... (more)
I am using nrf51822 with 16k RAM chip, xAA. I followed the procedures...but I don't know what is wrong with it..
Program secure bootloader with S130 (2.0.0), SDK 12
Program Softdevice S130 (2.0.0)
I've been trying to test DFU over UART which has been added in SDK13.1 but after following every resource I've found I always end up with DFU not working
The first time I try to run ... (more)
I have implemented experimental DFU buttonless example with my application and able to do the firmware OTA via secure bootloader example using private and public keys. But once it enters into the bootloader mode from application via buttonless DFU ... (more)
I am trying to implement DFU secure bootloader to do firmware update over the air for nrf51822.
1) I have followed the steps as per the blog https://devzone.nordicsemi.com/blogs/..., created private, public keys and ZIP file ... (more)
I use sdk 12.3 with custom board.
How to add a DFU service to the FREERTOS hrs example code?
I am having a strange issue with the serial DFU in SDK 11, s132v2, specifically running either dfu_dual_bank_serial or dfu_single_bank_serial. My goal is to simply get the demo up and running, but I seem to get stuck when the bootloader ... (more)
I want to use the UICR customer registers to store MAC/serialization information for my devices. It looks like the UICR customer section would be great, and the product spec says they are reserved for user application, but @jldewitt mentioned ... (more)
We're seeing an issue where a dfu package containing SD+BL+Apps gets stuck on iOS nrfToolbox during DFU process after it updated the first part 1/2, which is BL+SD. The same dfu package works on the ... (more)
is BLE DFU Service a custom service and free to use? Or do I have to pay a fee and do measurments if I wanna use that service?
am working on a project and I need to have one NRF51 chip update another NRF51 chip, how can I go about this?
We are expecting many of our devices to be in close proximity. How can we be certain that when a user initiates a buttonless DFU, that they are uploading to the correct device?
Could an attacker be listening for ... (more)