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...
Supported tx_power values: -40dBm, -20dBm, -16dBm, -12dBm, -8dBm, -4dBm, 0dBm, +3dBm and +4dBm.
What is difference in the behavior of nrf 52832 chip for these different...
We're developing Bluetooth tags that we would like to operate at both 1Mbps and coded (long range). From what I've read and seen from the Nordic testing, specifically "Testing...
I modified the gpio interrupt on the asset_tracker example of ncs v1.2, modified the following, and the interrupt didn't work: Where is available should be modified.
I set...
Dear Friend，
Based on nRF52832, mesh3.1, port ble dfu to mesh project, Android dfu application is based 'no.nordicsemi.android:dfu:1.10.1'; Call the following program: ...
My setup: custom board using nRF52840, Segger Embedded Studio 3.52, nRF5_SDK_for_Thread_and_Zigbee_v4
I used a couple of your projects as a starting point for my code. Specifically...
Hi,
In my proejct, I am using WFE(); in some while loops because of core low power mode.
For example, waiting for time_out flags like codes below.
I am wondering if...
Hi All,
I'm new to the nordic product. We previous using TIcc2642 as development board. And we would like to test our application over different hardware. Is there any...
Im using CUstom BLE tutorial example and it works fine. But i just wanted to know, in which section is the text data for logging occuring. Ex: "notfication received from ...
Hi community !
I want to know if a code works on nRF52840 DK PCA10056 will work on nRF52840 PCA10059 ? On both, i will never use physical input (button led or gpio) i'm...
Hello expert,
I just jump from TI. Could anyone tell me if nordic has any chipset like TI CC1310 which supports direct access to the receiver I/Q quadrature samples?
...
The Thingy91 GPS system sensitivity is terrible. Getting the GPS to lock on takes forever, and many times doesn't lock on at all, and if it does lock loses the connection...
Hi community ! Here : https://devzone.nordicsemi.com/f/nordic-q-a/62414/different-behaviour-with-same-program-and-boards i get some problem with different behaviour when programming...
I'm using the Laird Connectivity BL654-DVK board as a basis for evaluating the nRF52840 for our application.
I started by using the .../examples/ble_peripheral/ble_app_hrs_freertos...
Hi,
When we do the UART stress testing with serial_lte_modem sample, the slm will crash by sending AT commands with interval 100ms.
the debug log will show "<wrn> at_host...
