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'm working with the ncs 1.7.0 peripheral_uart example and have observed faults when I send more than a few bytes at a time to the HW UART. (receive by HW UART for transmission...
Hello,
I am struggling trying to make this sample work on my board. I changed my prj.conf file with these lines:
And looking at other questions I discovered that sometimes...
Hi,
Is there any way to make app_usbd_audio_class_rx_start(...) complete the data transfer within the same context, rather than defer to user event
APP_USBD_AUDIO_USER_EVT_RX_DONE...
We have been using nrf connect installers 3.3.0 and now 3.7.0. We have recently seen issues with new users encountering this error when installing 3.7.0. Are there any solutions...
Hi,
I started to evaluate the Instaburst feature. I use light_switch_client example, but I am unable to provision the device once I enable this feature.
Below are the...
We are in the early phase of architecting a product that uses BLE and a proprietary RF protocol using the nRF52840 and are considering the addition of the nRF21540. In sifting...
I am currently trying to create a simple BLE observer which listens to advertisement broadcasts from a specific device (given via address). I attached the source code below...
Hi,
SDK - 17.1.0
I want to store my sensor data to the internal flash memory of nRF52810 for a long time. I have some questions here:
The data sheet says the flash...
Hello,
Few years ago I developed an application for nRF52832 (BMD-300). Now our customer wants to port the application to nRF52810 (BMD-330) as BMD-300 is not available...
When I'm trying to use arm_rfft_fast_init_f32 function from the CMSIS DSP library it seems to work with all sizes but 128. When the function is invoked with the size 128 it...
Hello,
Using a ZR device with nRF Connect 1.5.1.
I am wondering how to stop steering mode in a ZR device (e.g. if user requests an "abort").
It is started with bdb_start_top_level_commissioning...
Hi Dears:
When I downloaded and installed nRF Connect v3.3.1, the following screen appeared.
I remember when there was a drop-down box to select the BLE component. ...
Hi,
I would like to investigate some BLE issues on DFU project, but I couldn't find the implementation for advertising, connection and disconnection.
Where can I find...
Hello Nordic team!
I'm working on a BLE app with the nRF52-DK and an armband(M6) that has a heart rate sensor. My goal is to discover this service and read those values...
Dear ,
With nRF connect SDK, is there a way to check if the SD card is formatted with the correct file system, i.e. FATFS? If it's not in FATFS, how can we format it via...
