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...
Nrf52 SDK12.2 armgcc
I have a button on my device (peripheral) that when pressed starts a timer for 30 seconds.
During that 30 seconds, I would like to have the device...
Hi everyone,
I'm trying to use sscanf on my nordic device, and I get an issue with the following exemple (this same code works on my computer)
int d = 0;
float f =...
I have copied the blinky example:
/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor...
.\_build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol app_timer_init (referred from main.o).
.\_build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol app_button_disable...
Hi all
Is possible have DFU in the peripheral side to update a Central app program? Is there example doing it?
I have a Peripheral (custom board nRF52 dongle) connected...
Hi
We use the nRF52832 together with other devices in a housing. Some of the other devices may produce quite a lot of heat. Therefore we wanted to use the temperature sensor...
Hi,
i am trying to flash the softdevice bootloader in Sparkfun nRF52832 breakout board using RPI2 + openOCD through SWD. debug port initialize is failed all the time.i...
I have a couple of questions regarding Radio transmission for BLE.
Is the radio driven by one of the HFCLKs? If so, it confuses me how a 16M clock can drive/derive...
Hi,
I have initial flashed boot loader and application based on SD version 3.1 and SDK 12.2.0
with
DFU_APP_DATA_RESERVED CODE_PAGE_SIZE * 3
FDS_VIRTUAL_PAGES 3...
I am using a nrf52 development kit as a peripheral to send data . It is working fine if I use the nrf Toolbox app on my phone, but is there anyway that I can see the 'raw...
Hi,
I configured openOCD and gcc compiler. But i got following error.
i gave following command on terminal.
i created one file that is manual.cfg
and contain in that...
Hi all,
someone can please explain to me how works the indication?
How can i read the value of cccd in the APP?My problem is understand if the APP is ready to receive...
First attempt at implementing buttonless dfu; assistance would be greatly appreciated. Using SDK v11 + s130 + nRF51822.
Please note that iphone screen captures supporting...
Hello,
I am still having troubles with the BLE_GATTC_EVT_TIMEOUT. The problem is that the error is not happening frequently and is hard to reproduce. It is also hard to...
I was building my own custom application that connects a nrf_drv_timer to an ADC start trigger using PPI on an nRF51822 and I could not get it to work. I asked a previous...
