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 using the nrf52 preview development kit. I have two boards. I flashed one with a ble_central example and the other with a ble_peripheral example using the nrf52 sdk...
Hi guys,
My device is in peripheral role and it normally connects with phones/tablets/computers.
I tried to search for device information service but this service is...
There was a thread about this issue:
devzone.nordicsemi.com/.../
I am having the same problem again.
I am using S110, RTOS, do 10 conversions on the same channel every...
Hello,
I have a Nordic 8001 chip bonded with an iPhone application.
I want to get the iPhone address but I saw that it has a random resolvable address. I've read that...
Hi,
we have two devices using android 5.0 have this issue.
bonding to s110, irk_counter=1;
s110 uses whitelist advertising.
android 5.0 device can reconnect to...
I try to use SDK8.1.1 example connect ubuntu14.4 with CSR dongle. Seems it create connection fail.
I downgrade to SDK7.1, it connection pair correctly. But it'll terminate...
We would like to use the nRF52 in a bachelors thesis for at least one of our students projects. The project is scheduled to take about 2-3 months and in this time they shall...
Since it does not have DMA or FPU, are there power or processing issues for using an accelerometer to do step counting, sleep tracking, and other fitness features? I do not...
I am a total "Newbie" to RF communication so I would welcome some guidance WRT to how multiple PTX/RTX
devices in a given locale are commonly handled. I intend to employ...
Is there a linux version of this tool? Seeing as it is just a wrapper for a bunch of python scripts, is there a way to forego it and call the scripts directly?
Hello,
I have configured a 1 ms timer (Timer 2) interrupt. I am just updating some static variables for reference in the 1 ms interrupt. Everything seems to be working...
Hello, I am designing a PCB with nRF51822 and I would like to know which is the best option to add battery charging to my PCB.
I think the most common options are these...
Dear All,
uVision debugger seems to execute code randomly. Picture shows stepping through the code. Codeline marking in grey also seems odd.
I would have expected to...