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,
My S130 based BLE implementation, when scanning, seems to receive BLE advertisements out of order, when the traffic is high. I wonder why. Could it be so that the callback...
Hi,
I would like to misuse the SDK by creating an communications systems based on advertising. From several Q&A posts, e.g. this one ), I understand that the current S130...
Hi,
I am writing an application on top of NRF51, using a S130 Softdevice. I wonder about the concurrenceness (?) of the code I write, and especially if I need to use critical...
How do I make sure, the GATT server running on the BLE peripheral client connects only to a specific app based central/GATT client app, which has been authenticated via web...
Hi everybody!
I am working on ANCS and I found a problem that: At the first time I connect my Iphone to the dev kit, the pair request appeared on the Iphone. If I ignore...
Hi,
I have been having a lot of problems communicating with an Atmel SAM D09 as a slave, and an nrf51422 as a master.
I seem to have two problems, hopefully solving...
Hi all,
I design the kb based on the SDK6.1 and SD7.1 with 51822, and doing the PTS certification now, but meet some problem on TC_CON_BV_01_C, ATT Write error, such as...
the error messages show following:
compiling system_nrf52.c...
RTE\Device\nRF52832_xxAA\system_nrf52.c(92): error: #136: struct "" has no field "A0"
RF_TEMP->A0 = NRF_FICR...
Hi guys, I use old project try to build again in Keil when I installed nRF51_SDK_8.0.0. But I get the:
.\Objects\ble_knob_detection.axf:
Error: L6200E: Symbol
GPIOTE_IRQHandler...
Hi guys,
Has anyone encountered following warning message when using nRF51 SDK v8.1.0 or 9.0.0 and compiling project by GCC arm-none-eabi (I'm on V4.9 2015q2 which is the...
Hello,
I have a peripheral that manages several bonds to known centrals. Assume I want to pair with some fresh central, yet I need to do that within physical reach of another...
Hi, This is Venkatesh. This is my first question posting here. It is great pleasure to use this product. I have installed SDK of NRF52832. but I am not getting "boards" folder...
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...
