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MQTT with TLS DevZone (l4_e2) fails to build 0

I get a bunch of errors like undefined reference to `mbedtls_ssl_free', `mbedtls_ssl_get_bytes_avail',`mbedtls_ssl_config_free', 'mbedtls_ssl_read' `mbedtls_ssl_set_bio...
17 views

0 replies

Started 12 hours ago
by armadillonoah
Not Answered
Serial LTE modem: No DNS servers are sent to the PPP client 0

Hello, There were some recent changes in the Nordic PDN library - function pdn_dynamic_info_get that led to the changes in slm_ppp.c and the way the application gets MTU...
29 views

0 replies

Started 15 hours ago
by Petr21
Not Answered
Meaning of UART_ERROR_FRAMING in UART_RX_STOPPED event on nRF9161DK Asynch UART 0

Hello, I'm developing on an application which requires to catch high speed, variable size and bursty (~0.5 Mbit/s) data from a sensor connected to a nRF9161DK trough a UART...
26 views

0 replies

Started 16 hours ago
by JOEBRE
Not Answered
Don't register while doing a network search with +COPS=? 0

Hi all, We've been doing automatic network selection (+COPS=0) but are looking into moving to manual network selection. When trying to search for available networks...
- software
- lte-m
- nRF9151
- Pre-production
23 views

0 replies

Started 16 hours ago
by klaasg
Not Answered
Unreliable Ranging Behavior and Inconsistent Frequency on NORAB126 (NCS v2.9.0) 0

Hello, I'm working with Distance Measurement (nrf_dm) using the NORAB126 module on nRF Connect SDK v2.9.0 and nRF Connect SDK v3.0.1. I'm facing an issue where, occasionally...
21 views

0 replies

Started 16 hours ago
by Luis Santos

Recent in Nordic blog

Intro to ShockBurst/Enhanced ShockBurst

Daniel Veilleux

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

Nguyen Hoan Hoang

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
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017