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 am using SDK15.3 very well with Keil 5.28 ( I cannot update because my licence for 5.28) When i try to change my sdk from 15 to 16, i have problem. I tried change...
I have a custom nRF52832 device acting as a peripheral and a central. Acting as a central device it reads the device information from a nRF52832 peripheral device. Now I want...
Hi
We've some trouble with the UART (not UARTE) of the nRF52840. We use a baudrate of 38400. Because of HW limitations and power constrains, we do either have flow control...
Hello,
I am trying to test using NFC pairing with the nRF52840, but I am having trouble connecting to the device with the built-in android NFC Pairing prompt without the...
Came across a weird anomaly the other day when doing some temperature testing. One of our boards came out of it not running code and the reset line on the 52840 was stuck...
Hi,
I am trying to do geolocation using the NB-IoT chip on the nRF9160 DK. Therefore, I need the PCI and RSRP from multiple nearby base stations.
After enabling the radio...
Hello,
I am trying to merge NUS client (ble_central>ble_app_uart_c) with Multilink central program (ble_central>ble_app_multilink_central) such that the central (nRF52832...
Hello,
I have a problem in the step of Secure DFU. I use nRF connect application to connect the BMD-350-EVAL and when i selected the device and start scan the "DfuTarg...
Has anyone tried to update the github project nrf52-ble-image-transfer-demo to work with SDK 16 / SD V7.0.1? I copied the main code in the project to ble_app_uart example...
Hi!
We are interesting in extended adv support, as periph and central role to establish connection in phy coded.
I've read another topic that it doesn't have PHY_CODED...
Alright, I'm starting to question my sanity on this one. I am currently trying to use the TWIM driver nrfx_twim.c to access a TWI device. As usual, I did the checks for the...
I am facing an issue about using CMOS battery for NRF52832. I hope this CMOS battery can serve mcu (in low power mode) for at least 1 year. In low power mode, I just want...
I am using a BMD 349 module based on nRF52840.
I am interfacing with AT25SF041 flash memory.
I am using SDK 14.2.
I am writing a byte to a specific address in Flash...
I recently purchased a Thingy:91. Initially it would not connect to the local network. I purchased a a J-Link programmer and via the nRF Connect Programmer updated the modem...
Is it possible to Read the battery status and/or the temperature value from the nRF52810, write that data to on chip memory, and run a code to modify the Major and Minor values...
