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 all,
I'm using nRF Sniffer (2.0.0-1.beta), i didn't have any problem for follow connection between master and slave but now, I have a problem with time displayed in...
Hi,
I need to use the radio timeslot api in my application. I'm using nrf52 ,SDK 14.0.0 and softdevice version 5.0.0 . I've gone through the tutorial for setting up timeslot...
Hello,
I'm testing PHY coding (for long range), I'm pretty surprise from what I get when I scan the RSSI of bluetooth channels (with Nordic app).
This is my set up:...
i want to erase and store the flash after detecting the radio active.
The radio signal is also active, when i erase and store .
Do erase and store the flash may influence...
Hi there,
I try to using nrf sniffer for trouble shooting, and follow the "nrf sniffer user's guide v2.0" , when I copy the unzip extcap's content to the Wireshar's Extcap...
Hi!
i am thinking about cut off uart when data is not transmitting.
As a method 1, i am thinking about using CTS and RTS Pin which is hardware flow control!
①Is this possible...
I'm using the nRF52 DK with mbed, running the heart rate monitor demo app.
When I disconnect the board from the PC and attach a USB power supply instead, the nRF52 won...
Hey all,
I'm working with the nRF51822 (nRF51dk) on a mac running high sierra, and I've been following this tutorial to try to get started. But when I try to make flash...
Dear Nordic engineer,
I try to setup Wireshark sniffer with nRF52-DK. I followed by nRF sniffer user guide v2.0.
I see interface toolbar of nRF sniffer on Wireshark. But...
Is there a block header information available that I can read thru the flash read function (e.g. in ble_flash driver, ble_flash_page_read() function ) ?
My FS (file system...
Hello,
I would like to understand the reason behind getting a error,(0x04) NRF_ERROR_NO_MEM , when calling the function
sd_ble_gatts_characteristic_add(p_service->service_handle...
I'am realy new to nRF52 development. I want to start with a simple demo as shown on www.nordicsemi.com/.../Getting-started-with-the-nRF52-Development-Kit.
What HW do I...
Every time I change a common source file within Kiel, the source file is changed for every project because (obviously) is a file common to all example projects.
Is there...
Is there a nordic guide which lists out the steps taken by the chip when going though a bonding process? I am trying to add as many RTT printouts as possible to know where...
finally I have done to implement that ADXL345 can throw data over BLE using nRF UART app service with this code . now my problem is how to change 2's complement ADXL345 data...