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 need to enable an input interrupt on nRF52832 and I want to use a GPIOTE EVENTS_IN channel.
During boot configuration, I'm using nrfx_gpiote_in_init function with...
There are two NUS services here, but only the second one can send data through the RX characteristic. I've checked the source code and nothing has changed. How do I delete...
Hello Nordic support team,
Forgive me if I am asking a stupid question.
In the source file ble_conn_params.c, there is a function called ble_conn_params_init() and I...
I am working on a wearable GPS tracking device using the nRF9151 DK and testing the GNSS example code. However, I am facing an issue with the cold start time for acquiring...
I recently bought a fanstel blg840 device, and I have programmed At client firmware in nrf91 and custom code into nrf52, but the problem is nrf52 is sending at comments to...
Hello,
I'm sure you know this already, but there seems to be a problem with the subject footprint. I guess I'm posting this to confirm that it in fact does have a bug in...
Hi,
We're planning to design a custom board using the nRF9151 for LTE connectivity. We'd like to add basic BLE support, with the following constraints:
The BLE chip...
Hi, I want to achieve high speed data transfer between NRF7002 DK with other development board. Therefore, I want to using SPI4 with 32MHz speed. However, I found out that...
I am currently developing a firmware application on the nRF5340 where I need the device to function in dual role :
As a Bluetooth Mesh Node , communicating with other...
Due to production requirements, I need to obtain the device's QR code. However, I found that the QR code can only be retrieved using the code snippet below after calling Nrf...
Dear Nordic
I use nRF5 SDK BLE_Central / uart to connect our custom peripherals by address, and I found that it seem need to 4~5 seconds to finish connecting
Here is the...
Hi,
I am trying to create a trilateration system with 3 initiators and 1 reflector (Hopefully multiple reflectors in the future) on the nrf54l15. The channel sounding with...
I have modified the NUS-CDC application for the Dongle so that I can now scan, report available Peripherals, and connect to a specific one. I need to be able to cleanly disconnect...
I'm doing development on a very old project with the NRF51 Development Kit with S110 8.0.0 soft device and having trouble finding sample code and documentation on nordicsemi...
Hi there,
I'm working with a custom board based on the Raytac AN54L15Q module and encountering higher-than-expected power consumption when trying to profile using the system_off...
