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...
Hello. We are now starting our review to customize code for the pending use of the Nordic devices in low power mode. Have a mix of Nordic kits now. Using the nRF52832 (PCA10040...
Hi,
I am trying to implement buttonless DFU by following the ble_app_hrs example provided in the SDK and modifying the bootloader (nRF51_SDK_10.0.0\examples\ble_peripheral...
We have our custom PCB design that we program and debug by connecting the SWD lines to nrf51 DK's SWD. We wanted to use trace for better debugging options, however we discovered...
Hi,
I have a task to do PWM frequency repeater on nrf52832. After reading forums I decided to make it with PPI, 2 GPIOTE and 3 Timers. Here what I did: https://github...
Hello everybody,
I used SDK14.2 S132
I defined fds_write and read function like that;
Also, I wrote a function to register particular data;
Then I used save_data...
Hi, I followed through this tutorial:
https://devzone.nordicsemi.com/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader
But to my frustration I realized...
Deer friends,
The nRF Connect BLE app supports the configuration of the local device's GATT attribute table, also known as server setup. Adding attributes to the server...
Hi
I am researching options for my bachelor project which happens to be about bluetooth 5, where I am looking to develop a smartlighting system using Bluetooth 5 mesh....
Hello Nordic Support!
We are making a prototype that connects the battery to Vcc, but 5 out of 10 It works properly. Conversely, the remaining five do not behave as expected...
Dear friends,
In the Power Profiling Application (an example of nordic SDK), the priority of the application timer is set to APP_LOW(as shown in the pic below).
However...
stdio.h defines vsprintf and _vsprintf, and suggests using _vsprintf if you want to save on code space.
extern _ARMABI int _vsprintf(char * __restrict /*s*/, const char...
As per the Bluetooth Spec (v5.0) Page 2323-2324, it seems that LE Secure connections pairing supports 1-way OOB. See section of text below.
If OOB communication is possible...
Once GPIO is pressed (shorted to ground), I want to change the value of UUID or Major/Minor number
If not, the device will continue to advertise the previous values
