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...
Dear Nordic support service,
I am currently using nRF21540 with nRF52840 and nRF5_SDK_17.1.0.
I am able to transmit and receive, but I am not able to switch from RX to...
Dear Nordic Semiconductor Support Team,
I’m encountering two related issues when updating my nRF9160 application firmware that cause the Onomondo SoftSIM profile to be erased...
The attachment "peripheral_uart_1_timer20.zip" is the project engineering file. Actual tests show that timer20 is not as accurate as Ktimer.
Another strange thing is...
Hi
I want to know if I send a data from peripheral, how many time the central device could receive. Some people said that I could use the sniffer to caputure the interval...
How to check CS procudure used by controller in BLE Channel sounding security I am refering to this ticket so i have questions related to it that
I have tried to find answers...
I have three 5340 Audio DKs (PCA10121) and I am trying to demonstrate one as the broadcaster and the other two as headsets with audio transferred between them but NRFconnect...
Hello,
I’m working with the nRF5340-DK using nRF Connect SDK v3.0 and the SoftDevice Controller. My goal is to support multiple simultaneous connections , and I have already...
The Errata 155 workaround seems to work for the nRF52840, but only when events are configured before tasks. If I configure a task for an unused output pin *before* configuring...
Hello, I want to use the nRF52820 as a slave device. I've left my code, prj.conf, and DTS files below, but the spi_transceive function seems to be getting stuck. What could...
Hi,
I'm using the nRF52840 with the SoftDevice for BLE. In my system, it's primarily a BLE transceiver controlled via SPI by an external TI MSP430. We're considering implementing...
nRF54L15 LE Audio with I2S interface, LC3 codec point-to-point audio The specific flow is as follows: The nRF54L15 communicates with the mic via I2S to capture audio data...
I'm facing a persistent issue with my nRF9151-SMA-DK kit when trying to perform USB debugging, uploading, recovering, or erasing.
Interestingly, other boards (nRF9151-SMA...
Hello, we use nrf52832-ciaa in our project and it is light sensitive. Could we use x-ray to inspect soldering quality or it will damage the mcu? Thank you, Anton
I tried to find an explicit statement whether a new IMEI needs to be written to nRF9151.
These sources state that nRF91x1 ships without IMEI and it needs to be written:...
