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,
I am working with the nRF-SDK-for-Mesh v0.10.1 I am able to compile and run everything fine. I am trying to use the "serial" example and perform a DFU, however the...
I have been designing a four layer stack up PCB for nrf52832 SoC with chip antenna (2450AT18B100 Johanson Technology). This is the first time I have been designing a PCB with...
My example has an in-flash-memory data file that needs to be updated much more often than the code. I thought of using DFU for this and like it says here..
devzone.nordicsemi...
Hi!
I've created a peripheral on android with a custom service with several characteristics
I can see characteristics with nrf connect app for android and I can write into...
Hi, I built my app on the ble_app_uart peripheral example. I am looking to replace nrf_delay_ms(ms); with a low power alternative, I figured a function with loop on power_manage...
I just installed nRF-Connect on Windows to be used with the USB-dongle.
It now wants to update the dongle f/w.
So far I have used the dongle with ble-sniffer_win_1.0.1_1111_Sniffer...
Hello,
I would like to know how I can identify the reason for a reset in my device, I have read about the register NRF_POWER->RESETREAS but I don't know how to check it...
Hi,
Now I test flashwrite example using nRF52832 with software version V12.2.0. I want to erase all memory pages with the code bellow:
for(pg_num=0;pg_num<=pg_total_num;pg_num...
In the source files of standard/adopted services, there's a comment stating:
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile...
I impliment NRF52 + W5100's TCP socket as custom code mqtt client as Publisher via LAN. I need to secure connection with SSL/TSL. Is it possible to use Transport Layer Security...
In order to use SDK13 with no limitation (from keil) to build: nrf5-mpu-examples for sdk13 .
I have followed the Segger Embedded Studio - A Cross Platform IDE tutorial...
Hi,
I am using microecc to create a ecdsa signature and verifying with my public key. When calling nrf_crypto_ecdsa_sign_hash() to sign the hash it returns with NRF_ERROR_INTERNAL...
I am using nRF52480 and s140. The example is ble_app_uart_c.
The program works fine with: Scan interval x00A0 and Scan window x0050
However, when I set the Scan window...
Hi !
When operating the Thingy52 with it's factory firmware:
Is the Thingy 52 choose automaticly which BT protocol to use (BLE 4.1 or Bluetooth 5).
I mean:
if i connect...
