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..... This is Venkatesh. I am using nRF52-DK Evaluation kit. This is my first question posting here. It is pleasure to have an account to share my knowledge and get the...
Hello, I am using RedBear Lab Ble shield v2.0 having nRf8001, with Arduino Uno as peripheral and sending data to my mobile.
But now my application needs to receive data from...
Hello,
I would like to ask you guys whether it is possible that one Bluetooth master device (smartphone) can control and collect data from two Bluetooth slave device (some...
Hello all
I'm struggling with link errors, "undefined referencce atan2" as well as all math library.
I still dont know why it is occurred these errors.
I configured the...
Hi,
I'm trying to move my code from Red Bear BLE shield with Arduino to nRF51 dongle.
Is there any possible method?
(ex. share the same library or SDK helping)
I just read the S13x migration guide .. have some work to do :(. I'll have to read it a few more times to get my head around the bandwidth configuration but it looks super...
Hello, I started with NRF24L01 + Arduino and that works fine for me. Then I saw the nrf24LE1 and I thought that would be smaller and cheaper. I ordered the NRF24LE1 development...
Hello Everyone,
I was taking a look at the PCB in Ditto . It uses an nRF51822 and supports firmware updates from their app which means they put a bootloader on it.
I've...
hello guys,
I'm working in a project & I'm debugging using nrf15822a development kit, I want to implement the DFU & security feature to have a secured link and to be able...
Hi guys..
I try to figure out how to connect nrf 51df , raspberry pi (ble enabled router), COAP client which is on the external network. Trying to figure out it, I found...
I noticed the following compile time issue in the SDK - both 10 and 11:
The file ./examples/ble_central/ble_app_hrs_c/main.c
needs:
#include "app_uart.h"
For...
