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fs_mgmt file-upload write ACKed at link layer but never reaches Zephyr host (bt_recv_unsafe) on nRF54LM20A — related to IOS-nRF-Connect-Device-Manager#659 0

This is long and AI generated. Sorry about that, but it is comprehensive. I'm seeing a very specific, repeatable failure uploading a file via mcumgr's fs_mgmt over BLE,...
22 views

0 replies

Started 4 hours ago
by lcj
Not Answered
SoftDevice Controller / MPSL BabbleSim libraries for NCS v2.9.0 0

Hello, We run our Bluetooth Mesh product firmware in BabbleSim, on a simulated nRF52840 (nrf_hw_models, native simulator). We are on nRF Connect SDK v2.9.0. We would like...
24 views

0 replies

Started 4 hours ago
by Denis_Linkio
Not Answered
Thingy:53 Zigbee End Device — Configure Reporting failures + malformed Report Attributes flood 0

On a custom Zigbee End Device application for the Thingy:53 (NCS v2.9.3), ZCL Configure Reporting commands sent by Zigbee2MQTT are rejected with ZCL status FAILURE for almost...
- development
- software
- debugging
- zigbee
- zephyr
- nRF5340
57 views

0 replies

Started 23 hours ago
by Gabor Bohm
Not Answered
LED doesn't blink on nRF54L10 custom board connected to nRF54L15-DK 0

I created software and flashed successfully to the nRF54L15-DK. It is to toggle an LED on and off on P2.09. #include <zephyr/kernel.h> #include <hal/nrf_gpio.h> ...
74 views

0 replies

Started 4 days ago
by Star0
Not Answered
How are you automating PPK2 measurements 0

Hi, I'm trying to find out how people automate current measurements with the PPK2 beyond doing it by hand in the Power Profiler app. From the threads here it looks like...
- software
- Evaluation
- Other
- production
132 views

0 replies

Started 8 days ago
by Jakub Janik

Recent in the DevZone Blog

Writing BLE firmware with a few lines of code part 2

Nguyen Hoan Hoang

Second part of the series Writing Bluetooth LE firmware the easy way blog. This second part shows how to read and advertise the environment sensor data (BME280 using Motsai Neblina module and BME680 using…
- 3 Jan 2018
Intro to ShockBurst/Enhanced ShockBurst

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The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
- 1 Jan 2018
Writing BLE firmware with a few lines of code

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Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017