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, I used nRF52805 module BC805M on my customized board. I can only make the BLE connection for a few seconds or minutes. Then, the connection will be lost. Here are the...
Hello,
I am working NRF52833 Device. I'm new to this platform.
Whether i can read/write into the UARTnode with my own application without using any Nordic UART API's ...
Hello,
I am trying to run the littlefs example with no changes from Zephyr (NCS v1.5.0) on my nRF52840 DK but I keep getting this error "<err> fs: mount point already exists...
Hi, I try to use UART in the template_project. But if I try to use printf UART doesn't work. The project works fine in debug mode. How can i fix the issue?
Hello Everyone,
I am trying to bring-up the UART Application in NRF52833 Device.
I have downloaded "nRF5_SDK_17.0.2_d674dde" file.
Getting below error, while compiling...
I am trying to connect and read the data of the MIO Fuse heart rate band. It is designed as per the Bluetooth SIG specifications i.e heart rate service UUID is 180D and the...
Hi,
A project I'm working on can be seen as a collector of data from many different sources. To keep I an overview I've decided to use C++ objects rather than C (in other...
Hello,
I'm using nRF52833, s140, pca10100.
I looked at the code 'nrfx_saadc.c' to uninit SAADC.
The file contains two types of code, with or without the definition...
Hi,
One of our unit started to systematically report DNS_EAI_SYSTEM (-11) when calling getaddrinfo(). In a attempt to get more info about the error, I added errno to the...
Hi experts
I am trying to play a little with BLE HID keyboard example supplied by nordic
I see that there is an array of 5 characters "hello" + "enterkey press" which is...
Hello There,
I want use I2C in nRF9160 for getting MPU6050 or MPU9250 data in it,
I try this Example with change overlay file in it
SDK 1.5.1 and also try with 1.40...
I am trying to send data obtained from my sensor (calculating with twi scanner example ) via BLE using the ble_nus_data_send function. I just tried to send this data via UART...
Hi,
The eddystone example enter to connectable mode by press a button, but our customer don't want to press button one by one, they hope the beacon can advertise eddystone...
Custom nRF52 device uses SPI interface for external flash, so in order to read/write to external flash would need a RAM loaded firmware to keep code in internal flash untouched...
Hello,
How can I have two or more temperature probes reporting using the ZCL library?
Imagine that I want to have a device that measures for instance two temperatures...
