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related to threads 0

Hi all, i want to establish connection between two threads in cmsis-rtos, can i use 1) semaphore to do this? 2)message queue should be used or any other ipcs can be...
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Started over 10 years ago
by renu
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Data transfer rate by serialization 0

Hi, I have two CPU in our product. (STM32F2 and Nordic nrf51422). I use serialization function to link those two CPU(refer to ble_s110_serialization sample) But I find...

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Started over 10 years ago
by Elliot.Chao
Not Answered

Can't connect directly after I exit our app by back key on phone 0

Hi, My behavior is as follows Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic) Turn on my cell phone(Samsung Note3),scan my device...

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Started over 10 years ago
by Elliot.Chao
Not Answered

Why do I use twi_hw_master.c can run on 2.4G, Bluetooth can not? 0

Hello: I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...

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Started over 10 years ago
by bugg
Not Answered
nRF51822 and nRF24L01+ 0

Hello! How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
- nrf51822 nrf24l01+ addre
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Started over 10 years ago
by Schuebbe

Recent in Nordic blog

Using Nordic's SDKs with the GNU G++ Compiler

Andrew Fernandes

A persistant problem that people using the C++ compiler from the "GNU Tools for ARM Embedded Processors" toolchain has been the way that G++ handles the inline-assembly for the SVC instruction. Specifically…
- 30 Jan 2015
How to user the DFU in the iOS

Jason

The article introduces how to use the OTA (over the air) DFU in iOS. Step1, Connect your iOS device to iTune Select Apps, Drop App List to bottom, and select the “nRF Toolbox” app in the “File…
- 17 Jan 2015
Documentation and Resources for Eclipse Development

Peter

You have your choice of development tools for working with the Nordic nRF51x22 chips. If you want to use Eclipse + GCC for development, there are some app-notes and blog posts to help you on the way. …
- 8 Jan 2015

Latest guides

Getting Started: Adjustment of RAM and Flash memory

AndreasF

The scope of this tutorial is to make it clear how a developer can adjust the RAM and FLASH memory start addresses. The examples demonstrated in this tutorial uses SDK 15.2 The first three Sections explains…
- 7 Dec 2018
Getting Started: nRF52840 Dongle Programming Tutorial

Einar Thorsrud

This tutorial demonstrates how to adapt and program SDK example applications to the nRF52840 dongle using USB DFU. It also describes how to program the dongle via Serial Wire Debug (SWD) using an external…
- 27 Nov 2018
Getting started: Announcing the nRF Connect for Cloud Device API Preview

Markus Tacker (he/him)

We are happy to announce our first release of the nRF Connect for Cloud Device API! Connect your BLE, LTE/NB-IoT or any other device to our free IoT development platform and interact with that device through…
- 12 Oct 2018
Bluetooth low energy: Merging two BLE examples together

Håvard

This is a follow-up to my previous blog post; adding custom commands to a BLE example. I hope it was interesting to see an example of adding the vendor specific Nordic UART service (NUS) into another…
- 6 Sep 2018
Software Development Kit: Getting started with Nordic's Secure DFU bootloader, a step by step guide

Hung Bui

The content of this blog was based on the documentation of BLE Secure DFU example, Bootloader module library and Buttonless DFU service from our SDK. Here we provide you step by step instructions to make it…
- 20 Mar 2017
Getting Started: Introduction to Bluetooth low energy and Bluetooth low energy development (video tutorial)

FormerMember

We have produced a video tutorial in two parts about Bluetooth low energy. The purpose is to give you a developer’s introduction to BLE and the development tools offered by Nordic Semiconductor. NB! Please…
- 6 Oct 2016