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...
Hi,
We had met problem at buttonless DFU with bonded information at Andriod set-top-box.
The problem we saw is we can not know when the ATT table is different at andriod...
I'm trying to wait on a single POLLIN event on a net socket, but I'm finding that poll() will still return immediately with the POLLIN event even if it's not set in the struct...
Hi , I am developing a zigbee project using nrf52840 using NRF52 zigbee sdk . I had to do some changes in zboss header files ( zb_config_common.h and zb_config.h ) to change...
I'm using the NRF52840-DK with the SB40 jumper cut, then powering through P21 and measuring with an ammeter across P22. USB is unplugged during measurement. I'm using zephyr...
Hi,
Eventhough I am able to communicate with my I2C slave, this message appear for every transmision.
[00:00:00.709,350]
[1;31m<err> i2c_nrfx_twim: Error 195952641...
I get long range demo code for 52840 on the web:
long_range_demo_15.2
and modify the code to test the 52833 long range feature;
MAINLY code:
My question is:...
Hello.
I would like to use UART or UARTE in all of my future projects for debugging. What steps do I need for one app to work? More specifically:
1 - What include folders...
I'm new to the nRF5340 and zephyr and ncs, but I have gone through the tutorial series
We're developing a product that will use the SPIS peripheral on the nRF5340 and...
Hi, Im developing a Zigbee concentrator. I used nRF5_SDK_for_Thread_and_Zigbee_v3.1.0_c7c4730 ble_zigbee_template as start point of my project. The light bulbs and switch...
We are using Lairds BL652 module in our product and develop code for it using the Nordic Semiconductor nRF5 SDK and flash it using jlink. Referring to the attached schematic...
Hello Nordic,
I recently setup the Command Line application for our device, using USB CDC ACM. I started experimenting in the example cli project. After everything was...
Using nRF Connect SDK v1.2.0 on nRF52840 DK (PCA10056)
We are evaluating the nRF Connect SDK on the 52840 until our 5340 PDK arrives. While running the mesh light example...
Hi and nice to meet you,
I freshly get my nrf52833 DK. I'm working on windows. I have installed via nRF Desktop all necessary tools.
We are moving our project from nxp...
Hello,
I am trying to connect NRF52832 with another Bluetooth module using custom characteristics. I was able to connect two NRF52832 modules but I can't connect to another...