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...
This case don't happen when i merged net_core and app_core to burn . I used to burn only one core.
What causes this?
Now I have a new question.I use one nrf5340 as CIS...
I am using nRF connect SDK and wanted to examine gpio 'out' register during the debugging session but every time I try to print the register value, I get the following error...
Hi,
I am using the SDK 2.1.1 and I will upgrade to 2.1.4 since errata 160 is fixed there.
Reading the errata document here , the anomaly 168 is fixed in SDK 2.5.1. Unfortunately...
Dear nRF support,
nRF5340 custom board
nRF NCS 2.5.x
Running into this very weird issue:
Program runs fine if I don't attach debugger to it
When I do "attach to...
Hello Nordic Engineer,
I successfully controlled the 52840 DK through Mesh using my phone. However, after exiting the app and reopening it, I can no longer control the...
Hello Team,
I’m working on implementing BLE Mesh on the nRF52832. I extracted the BLE Mesh ZIP file and placed it in the same directory as the nRF SDK. Then, I opened the...
Dear Nordic Support Team,
I am encountering an issue with the nRF52 SDK for Mesh v5.0 and nRF52 SDK v17.0.2 while running the serial example. The system runs for a while...
Hello,
In the header file nrf54l15_types.h, we see the following defines related to the SAADC:
* REFSEL @Bit 12 : Reference control */
#define SAADC_CH_CONFIG_REFSEL_Pos...
Errors on calling "lte_lc_init()"
Does anyone know what the corresponding error codes mean, or what could be done to debug the cause?
Thank you very much.
I am writing an i2s application for the nRF5340 Audio DK with toolchain and nRF Connect SDK v2.9.0.
During development I noticed that nrfx_i2s_start() does not seem to check...
Hi,
I am working on a project where I have two separate physical devices , each based on an nRF52832 :
One device is a BLE Mouse
The other is a BLE Keyboard
My...
Hello, lte_ble_gateway works ok using dk91 or thingy:91 on, v251 - ok v262 - ok but not on, v270 - err v280 - err v290 - err This is straight example code as found in VS....
Hi Team,
I need help currently we are using nrf52833 micro controller, we have problem with external clocks. we want to disable external 32Mhz and 32khz clocks and use only...
I’m using an nRF52840 powered by a coin cell (3V nominal, dropping to 2.3V) and need to read a K-type thermocouple . The challenge is finding an amplifier that:
Operates...