To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
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...
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...
Hello,
I was trying to compile a BLE proximity project with Keil nRF52 SDK, but got error such as struct "" has no field. I can command out all these error and compile...
Hi,
in order to find out how Android nRFToolbox App works, I downloaded Source Code on:
https://github.com/NordicSemiconductor/Android-nRF-Toolbox/releases
I unzipped...
Hi,
I am using nrf_gpio_port_read to read port 1 (pins 8-15), and I want to know how long it takes to read the port, ie. how many instructions. I am doing this in an interrupt...
I have a need to maintain current state of my device along with other parameters, including temperature and hours used. If I update my pstorage page frequently, like once...
Hello,
I'm working on S110 peripherial <-> S120 central project using GATT. I have succesfully implemented S110-based peripherial device with some custom characteristics...
Hey All,
I am trying to create a simple data transfer system using a DFRobot Bluno (CC2540 chip) as the central device, and a Redbear Labs Blend (nRF8001 chip) as the peripheral...
Hello all,
In many thread I can read that it is not recommended to use the internal DC-DC converter to supply the nRF51822.
Can you tell me why it is better to use an...
Greetings all -
We have an nrf51-dongle for development and testing purposes, and are unable to connect to the device over USB with any of the Segger or Nordic tools. I...
Due to BLE's low range, license costs and unneeded complexity, I am looking in to pure radio RF. I am curious about ESB and Gazelle, and which one is good for relatively simple...
Testing OTA using nRF Toolbox on Android. Everything works fine, but for some reason the file selection is "stuck" in dropbox, i.e. I can not go up a level from dropbox, and...
my development environment is nRF-DK and IOT SDK
Q1 : IOT SDK Support Gatt Profile?
Q2 : IoT SDK Support DFU mode?
Q3 : in ipv6 coap server example, how i broadcast...
Hi!
I have custom board with nRF51822 and I need to communicate with serial flash W25X40 using SPI master example with SoftDevice enabled (S110 is used). I worked with...
