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...
Hello everyone,
at the moment I am working on a BLE program which collects data from various sensors and passes it to a Central device. For the transmission the BLE NUS...
I am using ESB with dynamic payload lengths. When I use length 252, I am sending the alphabet repeating, and I can see that the data cuts off around position 30 and repeats...
Are there any known issues when using a nRF52840 and S140 6.0.0 soft device and trying to transmit at +8 dB? From our measurements is appears that +4dB does indeed increase...
Hello,
I am using the nRF 9160 DK board. I am trying to create simple thread in Zephyr.
but the thread it's not running.
this is the code:
I tried also the other...
I accidentally pressed "verified" on https://devzone.nordicsemi.com/f/nordic-q-a/91104/making-rand-work-on-nrf52-nrf53-with-nrf-connect-sdk when it wasn't and I don't seem...
I am testing my own mesh protocol based on 802.15.4 using the NRF52840 dongle.
The reported RSSI value from nrf_radio_rssi_sample_get() never goes below -89dbm.
On the...
Hi,
I'm using a nrf52832 and NCS 1.9.0 and I would like to be able to use SMP to make firmware updates using BLE. I'm was able to perform FOTA, but the flash is divided...
Greetings!
We are trying to troubleshoot occasional hangup issue. We run the app in debug mode. When it hangs up, we hit pause and got the followings in the Call Stack window...
Hi,
I want to use nrf5340 dk board to debug nrf52840dongle, i have connected two board with a cable and have checked the signal is good( nrf5340 debug out p19 ------ nrf52840...
Hello all
the BLE module with the nRF52820 is programmed with a ble_app_uart_pca100e example from the nRF5SDK ver 17.1.0, according to the RSSI graph it seems it works ...
Hello Reader, I noticed two almost similar modules " DK buttons and LEDs" library and the "CAF LED & Button" library (or module). What is the difference between DK buttons...
I get the following error message from my device
àÓ FATAL: Exception occurred in Secure State [10.2 10:01:52.062]FATAL: ***** HARD FAULT ***** [10.2 10:01:52.062]FATAL:...
We have both native iOS and Android-apps that handle DFU-updates of our BLE-FW on our HW-devices. We are currently experiencing a dip in success rate (according to our firebase...
Hey Nordic,
The following are some specifications of my project.
nRF52833-DK
PCA10100
Softdevice is S122
Based on "ble_app_uart_c"
SDK 17.1.0
I am using VSCODE...
While testing a new nRF9160 based product with a Hologram SIM card, it connects fine in Minnesota, USA, but not in Winnellie NT, Australia.
Do you have insight into why...
