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...
We have an NRF51822 running S120 at 32MHz.
Our system has two removable batteries. If a battery is removed we need to switch to the other battery as fast as possible. We...
For TWI, SPI and UART is there a significant power savings from powering down the unit when not in use vs just disabling it?
Disabling the unit seems reasonable, but powering...
Hi!
I was trying to use nRFLoader to update firmware using example DFU Bootloader but app hangs on "Discovering" (after selecting device to update). What can be the reason...
Currently I can upload new application firmware smoothly (I use the dual bank setup). However, I have to use packets of size 20, so this takes a long time.
Is there actually...
hai ,
i am using the NRF51822 development kit. The NRF51 dongle i have used as a sniffer and a master control panel. Is it possible to load and run a s130 softdevice and...
Hi, I'm trying to estimate the nRF51422 current when running ANT. Does the softdevice use the RTC (LF oscillator) when in wait mode to save energy? Thanks
The Segger programing interface works. The virtual com port appears on my PC (COM5). The problem is that there is no board listed in the Motherboards section of the Device...
Hello,
currently I try to implement a GATT server on a nrf51422 with the s310 Softdevice. For testing I use the LightBlue IOS client on an ipad. I can see my GATT server...
I am creating an Apps which will give me a list of the running Apps in the background and foreground.
Hence Using XCode, I want to programmatically detect
List of Running...
I have a Arduino board and I want access to Ant Stack by UART. I flashed S210 in my nrf51422.
I try connect the Arduino RX/TX with TX/RX (P0.12 / P0.13), but none. Also...
Hi Nordic,
I'm wondering if I can use IAR Workbench to download SDK for nRF51DK rather than Keil. I want to develop a beacon that uses Bluetooth Smart. Can I do that in...
Hi,
Does the .hex file for V7.1.0 include the master boot record? I'm writing a JLink script to flash it and I'm trying to figure out, once converted to a binary file,...
I have the PCA 10028 Board. I would like to add a characteristic on an already existing service.
In the nAN-36 I see, what is necessary to set up service and characteristic...
Dear Forum,
I just unwrapped my new nRF51 DK board and already played with some mbed example programs which worked beautifully! So first of all - thank you Nordic & mbed...
What capacitors would you recomend for this 16MHz Quartz http://www.jauch.de/ablage/med_00000848_1411137106_JXS32-180914.pdf to ensure 40ppm frequency tolerance for nrf51822...
