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 working on a project that is using the the freeRTOS and I want to use the NFC pins P0.9 P0.10 to drive SOFTWARE SERIAL UART with a timer like TIMER1, when I try...
iPhone 8 Plus with nRF connect App[iOS], does not shows BLE 5 beacon in scanning, it only scanning BLE 4 beacons, In Spec of phone it shows it support BLE 5
nRF connect...
Hello,
I follow the nRF Connect SDK on a Windows 10 x64 computer and it's a crap. I get a lot of errors like this one. It's so crappy that I doubt that I will continue with...
Hello,
I am not able to send a command from the BLE (52810) to a DSP over UART which are on my custom board. I have modified a program that uses UART for logging purpose...
The s132_nrf52_7.0.1 documentation says: Call stack: The SoftDevice uses a call stack combined with the application. The worst-case stack usage for the SoftDevic e is 1.5...
I am doing a program based on Current Time Application example. But I have a few questions, so I hope you can help me. First, I am using Battery service together. By the way...
Hi,
In our current project we use nordic NRF52832 ble to send some data(~200 Byte / packet) to host, we expect each transmission to be done within 10ms, but results from...
Hello. nRF52 A custom board is being developed. I want to use Crypto Chip Pulse to encrypt. Pulse_Out of Crypto Chip is connected to P028/AIN4. In order to measure Pulse,...
I'm using \nRF5_SDK_15.3.0_xxxxx\examples\peripheral\usbd_ble_uart example to use two communication links. Missing echo on the USB virtual COM is a small frustration. I've...
Hi NordicSemi
I have a project where we receive data via the UARTE. To avoid missing data caused by higher prioritized tasks we want to use the DMA facilities.
nrf52832...
Hi,
i want to flash programs with the Segger Embedded Studio to my Thingy 91. I already am able to flash hex files with the nRF Programmer to the thingy 91. I installed...
In addition to (obviously!) a 52811 chip and a BLE beacon, what additional hardware would one need for reasonably accurate location tracking of a BLE tag/beacon? I'm generally...
Hello Devs,
I have enabled NRF_LOG in my project, but I would like to disable it in, for example, the main.c file, but keep it working in others files.
at the moment...
Hi all, I am stuck with a simple but weird issue. It's driving me crazy for the last few hours. I am using a PCA10056 DK. I am somehow unable to do a simple digital pin read...
hi ...
I am working on mesh 3.1 version . I have used light switch example . In this case , i am sending the character in generic_onoff_set_cb , and changed from bool to...