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 are currently starting a project with a nordic chip. We want to work with the newest SDK (2.x.x). We saw the new SDK 2.0.0 in the nrf Connect for Desktop Toolchain Manager...
Hi,
Shouldn't the comparability matrix for nrf52833 on package CJAA revision 2 be with a 'J 'not an 'I' for WLCSP
from web site
from product specification: ...
Dear Nordic Engineers
Our customers use the nrf_desktop application to develop their product.
They use the NCS 2.0.0\nrf\applications\nrf_desktop and build project on...
I need to generate a clean 10kHz sine wave. I tried using PWM ( https://devzone.nordicsemi.com/f/nordic-q-a/89209/clarification-on-how-to-generate-a-10khz-sine-wave-with-pwm...
Hello, I followed this tutorial in order to setup custom BLE service. The tutorial as is works correctly and defines one service with an RX write characteristic and a TX notify...
Hi All,
I have implemented sleep mode in the firmware. I am using NRF52833 in my project. When the device is in idle state it goes in sleep mode. I am able to wakeup my...
I tried adding DFU support to my application by following this official tutorial:
But, I get the following errors:
/opt/nordic/ncs/toolchains/v2.0.0/opt/zephyr-sdk...
We're using sd_flash_write() and sd_flash_page_erase() to store some data to internal NOR FLASH at runtime. We have these calls integrated with the RTOS we're using in a HAL...
I've been using nRF Connect for Desktop a lot recently for power measurements with the PPK2 and to program nRF52840Dongles. I keep stumbling over a small missing feature:...
Hello,
I saw in the documentation for the softdevice s132 v5.10 (which is for production use now), I saw it supports changeable MTU. I have searched for the maximum supported...
Hi all
I have a problem with allocate RAM.
I build the project as non secure.
in the zephyr.dts file, you can see that the memory is divided into 3 areas:
sram0_s...
Hi
I have nrf52833DK it was working all fine but suddenly the LED5 is not lighting up and it is not detected by USB port. I tried to check the board voltage regulators and...
Hello,
I just started working on the nRF52 series controller, I want to upgrade my project using BLE features.
I need 1 master device to send to multiple slave devices...
Hi,
According to CryptoCell-312 documentation , it supports the SHA-1 algorithm. I was able to successfully run the SHA-256 cryptography sample application in the nRF Connect...
In my application, I need to use the nrf52840 for both BLE (as the controller) and ShockBurst. Specifically, it's the nrf52840 on the nrf9160 if it matters. I'm using the...
