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,
I want modify ESB example Rx to log the time between received messages. I am using SDK 13.0.
Unfortunatelly, function app_timer_cnt_diff_compute always return 0.
Can...
I have some units that seem to have a frequency error.
Please see image below from a spectrum analyser.
It is the received signal from 2 units both transmitting a constant...
Hi, I would like to analyze data between a peripheral and a central (BLE 4.1.) It seems that the nRF52 and sniffer can only monitor advertising channels. Am I missing something...
Hello,
I have designed a PCB (25mmx55mm) and placed the nRF24l01 module (available as a standard add on module). But I am unable to get the data out of the board. I have...
Hi Nordic,
Are there any plans to update the BLE Sniffer?
It would be great if all the op codes for logical link control could be added and to fix the malformed packets...
This is the Energy Profile that is shown for the nRF82832 and I am wondering about the RX/ switch parts. I assume these RX phases are for receiving scan requests?
What happens...
Hi,
I have a question regarding DTM in nRF5 SDK v14.2.0.
From what I understand Nordic is making use of the payload type '11' = Vendor Specific and is using the length parameter...
if flash nrf52832_xxaa.hex , board start to blinky
if flash s132_nrf52_5.0.0_softdevice.hex, board seems dead
what happed after flash these two hex files
does these...
Hi Folks,
I am playing with uart ble example described in this link ( devzone.nordicsemi.com/.../).
However, I would like to disable encryption on BLE link. I was trying...
Hi,
I have installed Software backend (micro-ecc) as given in:
infocenter.nordicsemi.com/index.jsp
Compiled example: experimental/ble_app_multirole_lesc --> compilation...
I want to make a BLE peripheral device that only allows connections from authorized mobile apps, and an app that only allows connections from authorized BLE devices. What...
Hi all,
I'm having problem porting some project from Keil to SES since our project use absolute memory location to put some variable that will be share between main application...
