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...
Would like to interface a SPI ADC – MCP3461 via the nRF52840 serial peripheral interface master with EasyDMA (SPIM). I was not able to find whether or not there is an available...
Hi Everyone,
My issue is mostly stated in the subject, I hope someone can help me recover this DK because as of the moment this is my only way to program/debug out EVT board...
I have nrf52833 as Tx. Ialso have nrf52833+ antenna array as Rx. I want to send CTE data, implement IQ sampling and view AOA for implementing direction finding. Kindly assist...
Hi,
I'm considering shifting to SES (from VS-code) to get debug capabilities.
(Zephyr application developed under NCS tag v1.5.1)
I tried to import my project doing...
Hi
I am developing a Zephyr application on a nRF52840.
Is it possible to runtime change pinmux. Eg. I have set rx/tx for an uart to p1.8, p1.9 and want them to be changed...
Hi nordic,
I want dfu the BL only, how should I pack file? Can show me how to pack instructions of nRF Util, only update bootloader.
Thanks and best regards!
John
Hello,
I am using nrf51822 / SDK v12.3 / SD 130.
I want to change the FW of the sold product to a new FW.
The bootloader address / length of the two are the same,...
Hi! I'm working with an nRF52840 SOC using SDK 17 and Keil. When I try to allocate memory to a structure of size 8388 bytes, malloc always returns 0. I've set __HEAP_SIZE...
I am using the softdevice S132 with my nRF52832 and am running into a problem with a heart rate band by POLAR.
The Problem is that I get a disconnect from the HRS side ...
Hello,
I'm trying to configure a larger MTU because I need to read/write GATT characteristics with size 216. I've already tried setting CONFIG_BT_ATT_PREPARE_COUNT to allow...
Hi,
I seek help with a runtime issue, my application which locked randomly after some time, be able to catch the issue in the SEGGER debug session.
The application is...
Hello, please review my PCB design for the nrf52832 soc. I think I've included all the necessary files, but let me know if you need anything else or something in a different...
