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...
I tried using the nRF52 dev kit on Windows for ARM, but it doesn't work, because SEGGER don't provide ARM JLink drivers for Windows, and Windows for ARM doesn't emulate x86...
Hello everyone,
according to the device specification, the nRF52840 can be operated with a MEMS oscillator as LFCLK input, which we intend to do. We plan to use a SiT1552...
I have a Zigbee router app that is mostly based on the light_bulb sample. I have noticed that unlike other Zigbee devices on the network (e.g. Philips Hue bulbs), there is...
I am currently working on a project that involves RSA signing data before POSTing it to a PHP web server.
I believe this uses the CC310 cryptography hardware in the nRF9160...
Is it possible to use ESB over the Bluetooth HCI from the controller, or through its own HCI? Preferably using Zephyr? If not, how hard would it be to implement? I am fine...
Hi
I'm using the nRF Connect Power Profiler UI with the Power Profile Kit II. It works great but has one annoying behavior. When I run the Power Profiler in sampling mode...
Hello,
NCS1.9.1, nRF52840DK, Windows10 X64, VS Code,
i want to use P0.31 as gpio interrupt pin,
anyone know how to do it ?
if config to overlay file like follow...
Hi,
Using the central and peripheral uart samples I have found the following CMake error when trying to increase the MTU ATT to 1020 bytes.
The added lines to the prj...
I am trying to update firmware but I am stuck on steps 6, 7 because I don't know where to get the img_app_bl folder and nrf9160dk_asset_tracker_v2_item_<version-number>.hex...
Hello,
I have developed firmware which communicates to an AWS IoT Core erver. To make sure the device is robust I decided to transmit data every 30s to the server. The network...
Hi,
We have a product which was developed with nRF52810.We found Samsung cellphone M31 couldn't scan the broadcast of nRF52810 with nRF Connect, but ther cellphone could...
I have MCUBOOT compiled under Zephyr 3.0 working fine with my 52840 based project. The transport is the CDC ACM "UART" using CONFIG_MCUBOOT_SERIAL
Using mcumgr.exe to load...
I am now developing nRF52805 with SDK 17.1.0. I am trying to use long pressing to enter the sleeping mode and wake the system up using the short press. However, there is an...
I am trying to debug a runtime issue on an nRF52832 based board while it is still powered up -- I am afraid that it will 'recover' if I cycle the power.
I have tried to...
Kind folks,
Automated tools like the nRF Connect SDK environment are wonderful when they work, but can be a Procrustean bed when they break or don't fit the exact requirements...
